Arild Saasen

Professor

Arild Saasen

Contact

Email: arild.saasen@uis.no

Department

Faculty of Science and Technology

Department of Energy and Petroleum Engineering

Publications

Vitenskapelige publikasjoner

Husby, Karsten; Hjelstuen, Magnus; Eriksen, Tor Jan; Liberale, Alessandro; Koraei, Mostafa; Ytrehus, Jan David; Saasen, Arild

(2024)

Active Magnetic Ranging While Drilling: Tool Function and Tests Results. I: IADC/SPE International Drilling Conference and Exhibition: March 5–7, 2024, Galveston, Texas, USA.

Society of Petroleum Engineers.

ISBN 978-1-959025-10-8.

DOI: 10.2118/217696-MS

Agonafir, Mesfin Belayneh; Aadnøy, Bernt Sigve; Saasen, Arild

(2024)

EFFECT OF TITANIUM NITRIDE (TiN) NANOPARTICLES ON THE LUBRICITY AND VISCOSITY OF WATER-BASED DRILLING FLUID.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 32.

s.37-52.

DOI: 10.31265/atnrs.772

Yousuf, Hazzaz Bin; Khalifeh, Mahmoud; Saasen, Arild; Gasparotto, Luiz H.C.; Godøy, Rune

(2024)

Dispersing Settled Barite: An Approach to Improve Performance and Safety of Cut and Pull in Plug and Abandonment Operations.

SPE Journal.

ISSN 1086-055X.

DOI: 10.2118/223118-PA

Yousuf, Hazzaz Bin; Khalifeh, Mahmoud; Saasen, Arild; Godøy, Rune; Karlsen, H.C.; Naumann, M.; Ibragimova, Z.; Kruber, C.; Van Noort, Reinier

(2024)

Revealing Microstructure and Enduring Properties of Settled Barite Extracted from an Offshore Well Two Decades Later: Well Abandonment and Slot Recovery.

SPE Journal.

ISSN 1086-055X.

DOI: 10.2118/218460-PA

Lund, Bjørnar; Taghipour, Ali; Saasen, Arild; Ytrehus, Jan David

(2024)

TRANSIENT HOLE CLEANING BEHAVIOUR: WHAT CAN WE LEARN FROM FLOW LOOP EXPERIMENTS. I: ASME 2024 43RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING (OMAE2024) VOLUME 6 .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8784-4.

Lund, Bjørnar; Taghipour, Ali; Saasen, Arild; Ytrehus, Jan David

(2024)

IMMISCIBLE DISPLACEMENT OF OIL BY WATER: AN EXPERIMENTAL INVESTIGATION. I: ASME 2024 43RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING (OMAE2024) VOLUME 6 .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8784-4.

Husby, Karsten; Hjelstuen, Magnus; Eriksen, Tor Jan; Saasen, Arild; Ytrehus, Jan David; Liberale, Alessandro; Koraei, Mostafa

(2024)

Active Magnetic Ranging Solution While Drilling for Geothermal Loop: Test in Low-Conductive Formation. I: SPE Canadian Energy Technology Conference and Exhibition.

Society of Petroleum Engineers.

ISBN 978-1-61399-956-1.

Klungtvedt, Karl Ronny; Saasen, Arild

(2023)

The Role of Particle Size Distribution for Fluid Loss Materials on Formation of Filter-Cakes and Avoiding Formation Damage.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 145.

DOI: 10.1115/1.4056187

Ofei, Titus Ntow; Ngouamba, Elie; Opedal, Nils van der Tuuk; Lund, Bjørnar; Saasen, Arild

(2023)

Rheology assessment and barite sag in a typical North Sea oil-based drilling fluid at HPHT conditions.

Korea-Australia Rheology Journal.

ISSN 1226-119X.

Volum 35.

s.81-94.

DOI: 10.1007/s13367-023-00055-0

Klungtvedt, Karl Ronny; Vasshus, Jan Kristian; Saasen, Arild

(2023)

Assessment of induced fracturing and fracture sealing during drilling.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 226.

DOI: 10.1016/j.geoen.2023.211816

Metwally, Mohamed; Nguyen, Tan C.; Wiggins, Henry; Saasen, Arild; Gipson, Mitchell; Yoo, H.

(2023)

Evaluations of Polyacrylamide Water-Based Drilling Fluids for Horizontal Drilling in the Shaly Wolfcamp Formation.

SPE Journal.

ISSN 1086-055X.

Volum 28.

Hefte 4.

s.1744-1759.

DOI: 10.2118/214671-PA

Harestad, Kristian; Karimfazli, Ida; Ghazal, Abdallah; Harestad, Magnus; Saasen, Arild

(2023)

Curing Hydrodynamic Instability During Balanced Plug Cementing.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 38.

Hefte 3.

s.444-451.

DOI: 10.2118/214577-PA

Agista, Madhan Nur; Khalifeh, Mahmoud; Saasen, Arild; Yogarajah, Elakneswaran

(2023)

Zonal Isolation Material for Low-Temperature Shallow-Depth Application: Evaluation of Early Properties Development.

SPE Journal.

ISSN 1086-055X.

Volum 28.

Hefte 6.

s.2817-2829.

DOI: 10.2118/217434-PA

Gomado, Foster Dodzi; Khalifeh, Mahmoud; Saasen, Arild; G. Sanfèlix, Susana ; Kjøniksen, Anna-Lena; Aasen, Jan Aage

(2023)

Effect of Calcium Expansive Additives on the Performance of Granite-Based Geopolymers for Zonal Isolation in Oil and Gas Wells.

SPE Journal.

ISSN 1086-055X.

Volum 28.

Hefte 6.

s.2790-2801.

DOI: 10.2118/217431-PA

Khalili, Pouya; Khalifeh, Mahmoud; Saasen, Arild; Naccache, Monica

(2023)

Rheological Compatibility of a Hardening Spacer Fluid and Oil-based Drilling Fluid.

SPE Journal.

ISSN 1086-055X.

Volum 28.

Hefte 6.

s.2845-2860.

DOI: 10.2118/217446-PA

Agista, Madhan Nur; Gomado, Foster Dodzi; Khalifeh, Mahmoud; Saasen, Arild

(2023)

Geopolymer for Low-Temperature Shallow Depth Cementing Applications. I: Offshore Technology Conference Brasil.

ISBN 978-1-959025-02-3.

DOI: 10.4043/32834-MS

Pedrosa Consicion, Herman Camilo; Mirzaei Baynabaj, Mohsen; Paso, Kristofer Gunnar; Saasen, Arild

(2023)

Cuttings-Bed Erosion in Horizontal Wells: Biopolymers Impact and its Rheological Dependence. I: ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering: Volume 9: Offshore Geotechnics; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8691-5.

DOI: 10.1115/OMAE2023-101694

Ytrehus, Jan David; Feneuil, Blandine Fleur Prudence; Saasen, Arild

(2023)

Assessment of Yield Stress in Oil-Based Drilling Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 31.

s.25-31.

Alsvik, Inger-Lise; Vrålstad, Torbjørn; Perumal, Priyadharshini; Saasen, Arild

(2023)

Rheological properties of rock-based geopolymer slurries with different dispersant and counterion combinations.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 31.

s.69-77.

Sele, Karoline Gjestland; Vrålstad, Jorunn Hamre; Klungtvedt, Karl Ronny; Saasen, Arild

(2023)

The Effect of Lost Circulation Material on Herschel-Bulkley Parameters.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 31.

s.189-195.

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Saasen, Arild

(2023)

Cuttings Transport With Oil- and Water-Based Drilling Fluids.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 146.

Hefte 1.

DOI: 10.1115/1.4063838

Taghipour, Ali; Lund, Bjørnar; Ytrehus, Jan David; Saasen, Arild; Ånesbug, Geir Olav; Pallin, Jan Egil

(2023)

Dual shear gun for efficient drilling fluid shearing : Laboratory experiments. I: ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering: Volume 9: Offshore Geotechnics; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8691-5.

DOI: 10.1115/OMAE2023-104756

Husby, Karsten; Saasen, Arild; Ytrehus, Jan David; Hjelstuen, Magnus; Koraei, Mostafa; Liberale, Alessandro; Eriksen, Tor Jan

(2023)

Active Magnetic Ranging While Drilling: Performance Test. I: Offshore Technology Conference (OTC 2023): Proceedings.

Society of Petroleum Engineers.

ISBN 978-1-61399-974-5.

DOI: 10.4043/32475-MS

Husby, Karsten; Hjelstuen, Magnus; Eriksen, Tor Jan; Liberale, Alessandro; Koraei, Mostafa; Ytrehus, Jan David; Saasen, Arild

(2023)

Active Magnetic Ranging While Drilling: Prototype Tool Test. I: SPE Offshore Europe Conference & Exhibition, September 5–8, 2023, Aberdeen, Scotland, UK, Day 2 Wed, September 06, 2023.

Society of Petroleum Engineers.

ISBN 978-1-61399-993-6.

DOI: 10.2118/215523-MS

Metwally, Mohamed; Nguyen, Tan; Wiggins, Henry; Saasen, Arild; Gipson, Mitchell

(2022)

Experimental lab approach for water based drilling fluid using polyacrylamide friction reducers to drill extended horizontal wells.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 212.

DOI: 10.1016/j.petrol.2022.110132

Klungtvedt, Karl Ronny; Saasen, Arild

(2022)

A method for assessing drilling fluid induced formation damage in permeable formations using ceramic discs.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 213.

DOI: 10.1016/j.petrol.2022.110324

Ofei, Titus Ntow; Lund, Bjørnar; Saasen, Arild; Sangesland, Sigbjørn

(2022)

The Effect of Oil-Water Ratio on Rheological Properties and Sag Stability of Oil-Based Drilling Fluids.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 144.

Hefte 7.

DOI: 10.1115/1.4052033

Chamssine, Fawzi; Khalifeh, Mahmoud; Saasen, Arild

(2022)

Effect of Zn<sup>2+</sup>and K<sup>+</sup>as Retarding Agents on Rock-Based Geopolymers for Downhole Cementing Operations.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 144.

Hefte 5.

DOI: 10.1115/1.4053710

Klungtvedt, Karl Ronny; Saasen, Arild

(2022)

Invasion of CaCO<inf>3</inf> particles and polymers into porous formations in presence of fibres.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 215.

DOI: 10.1016/j.petrol.2022.110614

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild

(2022)

Bonding Mechanism of Zonal Isolation Materials to Clean and Rusted Casing.

SPE Journal.

ISSN 1086-055X.

Volum 27.

Hefte 5.

s.2613-2627.

DOI: 10.2118/209812-PA

Pedrosa, Camilo; Saasen, Arild; Ytrehus, Jan David

(2022)

Hole cleaning and wet-granular rheology of rock cutting beds: Impact of drilling fluid composition.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 220.

s.1-8.

DOI: 10.1016/j.petrol.2022.111267

Agista, Madhan Nur; Khalifeh, Mahmoud; Saasen, Arild

(2022)

Evaluation of Zonal Isolation Material for Low Temperature Shallow Gas Zone Application . I: SPE Asia Pacific Oil & Gas Conference and Exhibition.

Society of Petroleum Engineers.

ISBN 978-1-61399-860-1.

DOI: 10.2118/210751-MS

Agista, Madhan Nur; Khalifeh, Mahmoud; Saasen, Arild

(2022)

In-Depth Rheological Evaluation of Gas Tight Cement for Shallow Gas Application . I: SPE Asia Pacific Oil & Gas Conference and Exhibition.

Society of Petroleum Engineers.

ISBN 978-1-61399-860-1.

DOI: 10.2118/210705-MS

Gomado, Foster Dodzi; Khalifeh, Mahmoud; Kamali, Mohammadreza; Saasen, Arild; Aasen, Jan Aage

(2022)

Sealing Performance of Geopolymer for Plugging and Abandonment; Apple-to-Apple Scenario . I: SPE Norway Subsurface Conference 2022.

Society of Petroleum Engineers.

ISBN 978-1-61399-857-1.

DOI: 10.2118/209552-MS

Yousefi Oderji, Sajjad; Khalili, Pouya; Khalifeh, Mahmoud; Saasen, Arild

(2022)

Impacts of Superplasticizers on Rheology and Strength of Alkali-Activated Norite/Slag Geopolymer Binders.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 30.

s.23-31.

Klungtvedt, Karl Ronny; Pedrosa, Camilo; Saasen, Arild

(2022)

Measuring filter-cake cohesive strength and flowability.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 221.

DOI: 10.1016/j.petrol.2022.111298

Husby, Karsten; Saasen, Arild; Ytrehus, Jan David; Hjelstuen, Magnus; Eriksen, Tor Jan; Liberale, Alessandro

(2022)

Active magnetic ranging while drilling: A down-hole surroundings mapping. I: IEEE Sensors Applications Symposium (SAS 2022) Proceedings.

IEEE conference proceedings.

ISBN 9781665409810.

DOI: 10.1109/SAS54819.2022.9881354

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Delabroy, Laurent; Godøy, Rune

(2022)

Materials for well integrity : Rheological behavior study. I: SPE Norway Subsurface Conference 2022.

Society of Petroleum Engineers.

ISBN 978-1-61399-857-1.

DOI: 10.2118/209556-MS

Pedrosa Consicion, Herman Camilo; Lund, Bjørnar; Opedal, Nils van der Tuuk; Ytrehus, Jan David; Saasen, Arild

(2022)

Experimental Bench-Scale Study on Cuttings-Bed Erosion in Horizontal Wells.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 145.

Hefte 5.

DOI: 10.1115/1.4056337

Lund, Bjørnar; Ytrehus, Jan David; Taghipour, Ali; Saasen, Arild

(2022)

Experimental Investigation of Flow Velocity Dispersion in Annuli. I: Proceedings of ASME 2022 41st International Conference on Ocean, Offshore & Arctic Engineering Volume 10 : Petroleum technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8595-6.

DOI: 10.1115/OMAE2022-79937

Pedrosa, Camilo; Lund, Bjørnar; Ytrehus, Jan David; Opedal, Nils van der Tuuk; Saasen, Arild

(2022)

Experimental Bench-Scale Study on Cuttings-Bed Erosion in Horizontal Wells. I: Proceedings of ASME 2022 41st International Conference on Ocean, Offshore & Arctic Engineering Volume 10 : Petroleum technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8595-6.

DOI: 10.1115/OMAE2022-78266

Saasen, Arild; Ytrehus, Jan David; Lund, Bjørnar

(2021)

Annular frictional pressure losses for drilling fluids.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 143.

Hefte 5.

DOI: 10.1115/1.4049466

Pedrosa, Camilo; Saasen, Arild; Ytrehus, Jan David

(2021)

Fundamentals and Physical Principles for Drilled Cuttings Transport – Cuttings Bed Sedimentation and Erosion.

Energies.

ISSN 1996-1073.

Volum 14.

Hefte 3.

DOI: 10.3390/en14030545

Pedrosa, Camilo; Saasen, Arild; Lund, Bjørnar; Ytrehus, Jan David

(2021)

Wet Drilled Cuttings Bed Rheology.

Energies.

ISSN 1996-1073.

Volum 14.

Hefte 6.

DOI: 10.3390/en14061644

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Godøy, Rune; Delabroy, Laurent

(2021)

Alternative setting materials for primary cementing and zonal isolation – Laboratory evaluation of rheological and mechanical properties.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 201.

DOI: 10.1016/j.petrol.2021.108455

Kamali, Mohammadreza; Khalifeh, Mahmoud; Eid, Elsayed; Eid, Elsayed; Saasen, Arild

(2021)

Experimental Study of Hydraulic Sealability and Shear Bond Strength of Cementitious Barrier Materials.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 144.

Hefte 2.

DOI: 10.1115/1.4051269

Karbas Foroushan, Hanieh; Lund, Bjørnar; Ytrehus, Jan David; Saasen, Arild

(2021)

Cement Placement: An Overview of Fluid Displacement Techniques and Modelling.

Energies.

ISSN 1996-1073.

Volum 14.

Hefte 3.

DOI: 10.3390/en14030573

Klungtvedt, Karl Ronny; Saasen, Arild; Vasshus, Jan Kristian; Trodal, Vegard Bror; Mandal, Swapan Kumar; Berglind, Bjørn; Khalifeh, Mahmoud

(2021)

The Fundamental Principles and Standard Evaluation for Fluid Loss and Possible Extensions of Test Methodology to Assess Consequences for Formation Damage.

Energies.

ISSN 1996-1073.

Volum 14.

Hefte 8.

DOI: 10.3390/en14082252

Eid, Elsayed; Tranggono, Hadi; Khalifeh, Mahmoud; Salehi, S; Saasen, Arild

(2021)

Impact of Drilling Fluid Contamination on Performance of Rock-Based Geopolymers.

SPE Journal.

ISSN 1086-055X.

Volum 26.

Hefte 6.

s.3626-3633.

DOI: 10.2118/205477-PA

Ofei, Titus Ntow; Lund, Bjørnar; Saasen, Arild

(2021)

Effect of particle number density on rheological properties and barite sag in oil-based drilling fluids.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 206.

DOI: 10.1016/j.petrol.2021.108908

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Carazza, Luca; Gyland, Knud Richard; Saasen, Arild

(2021)

Oil-based drilling fluid's cuttings bed removal properties for deviated wellbores.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 143.

Hefte 10.

s.1-11.

DOI: 10.1115/1.4050385

Pedrosa, Camilo; Ytrehus, Jan David; Aschl, Timothy; Lund, Bjørnar; Saasen, Arild

(2021)

Wet-granular rheology to measure cuttings-bed strength.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 29.

s.109-114.

Knutsen, Sandra; Cayeux, Eric; Saasen, Arild; Khalifeh, Mahmoud

(2021)

Application of the quemada viscosity model for drilling fluids. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 10: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8520-8.

DOI: 10.1115/OMAE2021-60500

Kamali, Mohammadreza; Khalifeh, Mahmoud; Eid, Elsayed; Saasen, Arild

(2021)

Experimental Study of Hydraulic Sealability and Shear Bond Strength of Cementitious Barrier Materials.

IEEE ASME International Conference on Advanced Intelligent Mechatronics.

ISSN 2159-6247.

DOI: 10.1115/OMAE2021-62366

Awais, Muhammad; Agonafir, Mesfin Belayneh; Saasen, Arild; Bandyopadhyay, Sulalit

(2021)

Impact of various nanoparticles on the viscous properties of water based drilling fluids. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 10: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8520-8.

DOI: 10.1115/OMAE2021-62612

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Saasen, Arild

(2021)

Cuttings transport with oil- and water-based drilling fluids. I: ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering Volume 10: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8520-8.

DOI: 10.1115/OMAE2021-61125

Werner, Benjamin; Pedrosa, Camilo; Skorpa, Ragnhild; Ytrehus, Jan David; Vrålstad, Torbjørn; Saasen, Arild

(2021)

Properties of Dense Barite Sediments from Water-Based Drilling Fluids Oscillatory Viscosity Measurements of Wet Barite Powder .

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 29.

s.9-16.

Khalifeh, Mahmoud; Saasen, Arild; Vorland, Kim Andre Nesse; Djuve, Jostein; Klungtvedt, Karl Ronny

(2021)

Rheological Characteristics of Oil-Based and Water-Based Drilling Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 29.

s.17-24.

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Kosberg, Birgitte; Carazza, Luca; Gyland, Knud Richard; Saasen, Arild

(2021)

Hydraulic Behavior in Cased and Open-Hole Sections in Highly Deviated Wellbores.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 143.

Hefte 3.

DOI: 10.1115/1.4049180

Ofei, Titus Ntow; Kalaga, Dinesh V.; Lund, Bjørnar; Saasen, Arild; Linga, Harald; Sangesland, Sigbjørn; Gyland, Knud Richard; Kawaji, Masahiro

(2020)

Laboratory Evaluation of Static and Dynamic Sag in Oil-Based Drilling Fluids.

SPE Journal.

ISSN 1086-055X.

Volum Preprint.

DOI: 10.2118/199567-MS

Alvi, Muhammad Awais Ashfaq; Agonafir, Mesfin Belayneh; Fjelde, Kjell Kåre; Saasen, Arild; Bandyopadhyay, Sulalit

(2020)

..

Journal of energy resources technology.

ISSN 0195-0738.

Volum 143.

Hefte 4.

DOI: 10.1115/1.4048231

Saasen, Arild; Ytrehus, Jan David

(2020)

Viscosity Models for Drilling Fluids: Herschel-Bulkley Parameters and Their Use.

Energies.

ISSN 1996-1073.

Volum 13.

Hefte 20.

DOI: 10.3390/en13205271

Lund, Bjørnar; Taghipour, Ali; Ytrehus, Jan David; Saasen, Arild

(2020)

Experimental Methods for Investigation of Drilling Fluid Displacement in Irregular Annuli.

Energies.

ISSN 1996-1073.

Volum 13.

Hefte 19.

DOI: 10.3390/en13195201

Tveit, Mari Røstvig; Khalifeh, Mahmoud; Nordam, Tor; Saasen, Arild

(2020)

The fate of hydrocarbon leaks from plugged and abandoned wells by means of natural seepages.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 196.

DOI: 10.1016/j.petrol.2020.108004

Khalifeh, Mahmoud; Penkala, Larisa Sonja; Saasen, Arild; Aase, Bodil; Omland, Tor Henry; Taugbøl, Knut; Reinås, Lorents

(2020)

Gel Pills for Downhole Pressure Control during Oil and Gas Well Drilling.

Energies.

ISSN 1996-1073.

DOI: 10.3390/en13236318

Lund, Bjørnar; Ytrehus, Jan David; Taghipour, Ali; Saasen, Arild

(2020)

Displacement efficiency in eccentric annuli.

International Conference on Offshore Mechanics and Arctic Engineering (OMAE) [proceedings].

ISSN 1523-651X.

DOI: 10.1115/OMAE2020-18707

Saasen, Arild; Ytrehus, Jan David; Lund, Bjørnar

(2020)

Annular Frictional Pressure Losses for Drilling Fluids. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8443-0.

DOI: 10.1115/OMAE2020-18709

Saasen, Arild; Poedjono, Benny; Ånesbug, Geir Olav; Zachman, Nicholas

(2020)

Efficient Removal of Magnetic Contamination from Drilling Fluids – The Effect on Directional Drilling.

Journal of energy resources technology.

ISSN 0195-0738.

DOI: 10.1115/1.4049290

Saasen, Arild; Poedjono, Benny; Ånesbug, Geir Olav; Zachman, Nicholas

(2020)

REMOVAL OF MAGNETIC CONTAMINATION IN DRILLING FLUIDS: EFFECT ON DIRECTIONAL DRILLING. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8443-0.

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Delabroy, Laurent

(2020)

MATERIALS FOR WELL INTEGRITY: CHARACTERIZATION OF SHORT-TERM MECHANICAL PROPERTIES. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8443-0.

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Delabroy, Laurent

(2020)

Materials for Well Integrity – Short-Term Mechanical Properties of Cement Systems. I: Proceedings of SPE Norway Subsurface Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-718-5.

DOI: 10.2118/200739-MS

Ofei, Titus Ntow; Lund, Bjørnar; Gyland, Knud Richard; Saasen, Arild

(2020)

Effect of Barite on the Rheological Properties of an Oil-Based Drilling Fluid.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 28.

s.81-90.

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Carazza, Luca; Gyland, Knud Richard; Saasen, Arild

(2020)

Drilling Fluid’s Cuttings Bed Removal Properties for Deviated Wellbores. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8443-0.

DOI: 10.1115/OMAE2020-18006

Ofei, Titus Ntow; Cheng, Itung; Lund, Bjørnar; Saasen, Arild; Sangesland, Sigbjørn

(2020)

On the Stability of Oil-Based Drilling Fluid: Effect of Oil-Water Ratio. I: ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering - Volume 11: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-8443-0.

DOI: 10.1115/OMAE2020-19071

Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Motra, Hem Bahadur

(2019)

Laboratory evaluation of rock-based geopolymers for zonal isolation and permanent P&A applications.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 175.

s.352-362.

DOI: 10.1016/j.petrol.2018.12.065

Riisøen, Solveig; Iversen, Fionn; Brasileiro, Raoni; Saasen, Arild; Khalifeh, Mahmoud

(2019)

Drilling Fluid Power-Law Viscosity Model - Impact of Model Parameters on Frictional Pressure Loss Uncertainty. I: SPE Norway One Day.

Society of Petroleum Engineers.

ISBN 978-1-61399-670-6.

DOI: 10.2118/195623-MS

Sayindla, Sneha; Lund, Bjørnar; Ytrehus, Jan David; Saasen, Arild

(2019)

CFD Modeling of Hydraulic Behavior of Oil- and Water-Based Drilling Fluids in Laminar Flow.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 34.

Hefte 3.

s.207-215.

DOI: 10.2118/184660-PA

Halvorsen, Harald André; Blikra, Håvard Jordbrekk; Grelland, Sander Schaathun; Saasen, Arild; Khalifeh, Mahmoud

(2019)

Viscosity of Oil-Based Drilling Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 27.

s.77-87.

Saasen, Arild; Pallin, Jan Egil; Ånesbu, Geir Olav; Lindgren, Alf Magne; Aaker, Gudmund; Rødsjø, Mads

(2019)

Removal of Magnetic Metallic Contamination – Improved Drilling Fluid Performanc. I: SPE Offshore Europe Conference and Exhibition, Aberdeen, UK, 3-6 September, 2019. .

Society of Petroleum Engineers.

ISBN 978-1-61399-664-5.

DOI: 10.2118/195721-m

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Kosberg, Birgitte Ruud; Carazza, Luca; Gyland, Knud Richard; Saasen, Arild

(2019)

Hydraulic Behavior in Cased and Open Hole Sections in Highly Deviated Wellbores. I: ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2019): Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5887-5.

DOI: 10.1115/OMAE2019-96347

Skadsem, Hans Joakim; Saasen, Arild

(2019)

Concentric cylinder viscometer flows of Herschel-Bulkley fluids.

Applied Rheology.

ISSN 1430-6395.

Volum 29.

Hefte 1.

s.173-181.

DOI: 10.1515/arh-2019-0015

Ofei, Titus Ntow; Lund, Bjørnar; Saasen, Arild; Sangesland, Sigbjørn; Gyland, Knud Richard; Linga, Harald

(2019)

A new approach to dynamic barite sag analysis on typical Field oil-based drilling fluid. I: Annual Transactions The Nordic Rheology Society 2019 Vol. 27.

ISBN 978-91-519-2631-5.

s.61-69.

Alvi, Muhammad Awais Ashfaq; Agonafir, Mesfin Belayneh; Saasen, Arild; Fjelde, Kjell Kåre; Aadnøy, Bernt Sigve

(2018)

Effect of MWCNT and MWCNT Functionalized -OH and -COOH Nanoparticles in Laboratory Water Based Drilling Fluid . I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5129-6.

DOI: 10.1115/OMAE2018-78702

Alvi, Muhammad Awais Ashfaq; Agonafir, Mesfin Belayneh; Saasen, Arild; Aadnøy, Bernt Sigve

(2018)

The Effect Of Micro-sized Boron Nitride (BN) and Iron trioxide (Fe2O3) Nanoparticles on the Properties of Laboratory Bentonite Drilling Fluid. I: SPE Norway One Day Seminar 2018.

Society of Petroleum Engineers.

ISBN 978-1-61399-609-6.

DOI: 10.2118/191307-MS

Malagalage, Anjana Tharanga; Ratnayake, Chandana; Saasen, Arild; Thomassen, Tonje W.; von Hafenbrädl, Franz O.

(2018)

Flow properties of drill cuttings with varying drilling fluid content using Jenike Shear testing.

Chemical Engineering & Technology.

ISSN 0930-7516.

Volum 41.

Hefte 8.

s.1544-1550.

DOI: 10.1002/ceat.201700554

Vrålstad, Torbjørn; Saasen, Arild; Fjær, Erling; Øia, Thomas; Ytrehus, Jan David; Khalifeh, Mahmoud

(2018)

Plug & abandonment of offshore wells: Ensuring long-term well integrity and cost-efficiency.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 173.

s.478-491.

DOI: 10.1016/j.petrol.2018.10.049

Saasen, Arild; Hodne, Helge; Ronæs, Egil; Aarskog, Simen André; Hetland, Bente; Løvereide, Marie Bjørdal; Mohammadi, Rahmat

(2018)

Wood Fibre Based Lost Circulation Materials. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 1: Offshore Technology - .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5120-3.

DOI: 10.1115/omae2018-77662

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Kosberg, Birgitte; Carazza, Luca; Gyland, Knud Richard; Saasen, Arild

(2018)

Cuttings Bed Removal in Deviated Wells . I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5129-6.

DOI: 10.1115/OMAE2018-77832

Lund, Bjørnar; Ytrehus, Jan David; Taghipour, Ali; Divyankar, Shreyansh; Saasen, Arild

(2018)

Fluid-fluid displacement for primary cementing in deviated washout sections. I: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5129-6.

DOI: 10.1115/OMAE2018-78707

Jeennakorn, Montri; Alsaba, Mortadha; Nygaard, Runar; Saasen, Arild; Nes, Olav-Magnar

(2018)

The effect of testing conditions on the performance of lost circulation materials: understandable sealing mechanism.

Journal of Petroleum Exploration and Production Technology.

ISSN 2190-0558.

DOI: 10.1007/s13202-018-0550-4

Ytrehus, Jan David; Taghipour, Ali; Golchin, Arash; Saasen, Arild; Prakash, Braham

(2017)

The Effect of Different Drilling Fluids on Mechanical Friction.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 139.

Hefte 3.

DOI: 10.1115/1.4035951

Werner, Benjamin; Myrseth, Velaug; Saasen, Arild

(2017)

Viscoelastic properties of drilling fluids and their influence on cuttings transport.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 156.

s.845-851.

DOI: 10.1016/j.petrol.2017.06.063

Khalifeh, Mahmoud; Saasen, Arild; Larsen, Helge Bøvik; Hodne, Helge

(2017)

Development and Characterization of Norite-Based Cementitious Binder from an Ilmenite Mine Waste Stream.

Advances in Materials Science and Engineering.

ISSN 1687-8434.

Volum 2017.

DOI: 10.1155/2017/6849139

Jeennakorn, Montri; Nygaard, Runar; Nes, Olav-Magnar; Saasen, Arild

(2017)

Testing conditions make a difference when testing LCM.

Journal of Natural Gas Science and Engineering.

ISSN 1875-5100.

Volum 46.

s.375-386.

DOI: 10.1016/j.jngse.2017.08.003

Sayindla, Sneha; Lund, Bjørnar; Ytrehus, Jan David; Saasen, Arild

(2017)

Hole-cleaning performance comparison of oil-based and water-based drilling fluids.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 159.

s.49-57.

DOI: 10.1016/j.petrol.2017.08.069

Strømø, Kjartan Moe; Saasen, Arild; Hodne, Helge; Pallin, Jan Egil; Aaker, Gudmund

(2017)

Ditch Magnet Performance. I: ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, Trondheim, Norway, June 25–30, 2017 .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5776-2.

DOI: 10.1115/OMAE2017-61026

Nguyen, T.C.; de Oliveira, R.; Al-Safran, E.; Saasen, Arild

(2017)

Casing-design optimization with CAML technique and drilling-fluid performance.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 32.

Hefte 3.

s.208-212.

DOI: 10.2118/185951-PA

Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge

(2016)

Experimental study on the synthesis and characterization of aplite rock-based geopolymers.

Journal of Sustainable Cement-Based Materials.

ISSN 2165-0373.

Volum 5.

Hefte 4.

s.233-246.

DOI: 10.1080/21650373.2015.1044049

Saasen, Arild; Hodne, Helge

(2016)

Influence of Vibrations on the Rheological Properties of Drilling Fluids and its Consequence on Solids Control.

Applied Rheology.

ISSN 1430-6395.

Volum 26.

Hefte 2.

DOI: 10.3933/APPLRHEOL-26-25349

Al Dushaishi, M. F.; Nygaard, R.; Andersen, M.; Jeffery, C.; Hellvik, S.; Saasen, Arild; Hareland, G.

(2016)

Selecting optimum drilling parameters by incorporating vibration and drilling efficiency models. I: IADC/SPE Drilling Conference and Exhibition, 1-3 March, Fort Worth, Texas, USA.

Society of Petroleum Engineers.

ISBN 978-1-61399-401-6.

DOI: 10.2118/178834-MS

Stokka, Sigmund; Cayeux, Eric; Gardner, Dave; Kragset, Steinar; Lohne, Hans Petter; Randeberg, Erlend; Skadsem, Hans Joakim; Aas, Bjarne; Kyllingstad, Henrik; Larsen, Torgeir; Saasen, Arild

(2016)

Long Reach Well Concept. I: IADC/SPE Drilling Conference and Exhibition, 1-3 March, Fort Worth, Texas, USA.

Society of Petroleum Engineers.

ISBN 978-1-61399-401-6.

DOI: 10.2118/178859-MS

Khalifeh, Mahmoud; Todorovic, Jelena; Vrålstad, Torbjørn; Saasen, Arild; Hodne, Helge

(2016)

Long-term durability of rock-based geopolymers aged at downhole conditions for oil well cementing operations.

Journal of Sustainable Cement-Based Materials.

ISSN 2165-0373.

Volum 6.

Hefte 4.

s.217-230.

DOI: 10.1080/21650373.2016.1196466

Erge, Oney; Ozbayoglu, Evren M.; Miska, Stefan Z.; Yu, Mengjiao; Takach, Nicholas; Saasen, Arild; May, Roland

(2016)

Equivalent circulating density modeling of Yield Power Law fluids validated with CFD approach.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 140.

s.16-27.

DOI: 10.1016/j.petrol.2015.12.027

Ytrehus, Jan David; Taghipour, Ali; Gyland, Knud Richard; Lund, Bjørnar; Sayindla, Sneha; Saasen, Arild; Hermansson, Lasse

(2016)

Flow Loop Investigation of Lubricant Concentration Effect on Mechanical Friction in Drilling Fluids. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-4999-6.

DOI: 10.1115/OMAE2016-54048

Werner, Benjamin; Myrseth, Velaug; Lund, Bjørnar; Saasen, Arild; Ibragimova, Zalpato; Ytrehus, Jan David; Gyland, Knud Richard

(2016)

Effects of oil-based drilling-fluid rheological properties on hole-cleaning performance. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-4999-6.

DOI: 10.1115/OMAE2016-54050

Sayindla, Sneha; Lund, Bjørnar; Taghipour, Ali; Werner, Benjamin; Saasen, Arild; Gyland, Knud Richard; Ibragimova, Zalpato; Ytrehus, Jan David

(2016)

Experimental investigation of cuttings transport with oil based drilling fluids. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-4999-6.

DOI: 10.1115/OMAE2016-54047

Alsaba, Mortadha; Nygaard, Runar; Saasen, Arild; Nes, Olav-Magnar

(2016)

Experimental investigation of fracture width limitations of granular lost circulation treatments.

Journal of Petroleum Exploration and Production Technology.

ISSN 2190-0558.

Volum 6.

Hefte 4.

s.593-603.

DOI: 10.1007/s13202-015-0225-3

Pattarini, Giorgio; Rawlins, Sheldon; Saasen, Arild; Amundsen, Per Amund; Poedjono, Benny

(2016)

Direction Drilling Measurement Errors Caused by Drilling Fluid Constituents. I: ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering - Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-4999-6.

DOI: 10.1115/OMAE2016-54044

Nguyen, Tan; Tu, H.; Al-Safran, Eissa; Saasen, Arild

(2016)

Simulation of single-phase liquid flow in Progressing Cavity Pump.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 147.

s.617-623.

DOI: 10.1016/j.petrol.2016.09.037

Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn; Arild, Øystein

(2015)

A Probabilistic Methodology To Evaluate the Cost Efficiency of Rigless Technology for Subsea Multiwell Abandonment.

SPE Production & Operations.

ISSN 1930-1855.

Volum 30.

Hefte 4.

s.270-282.

Erge, Oney; Ozbayoglu, Evren M.; Miska, Stefan Z.; Yu, Mengjiao; Takach, Nicholas; Saasen, Arild; May, Roland

(2015)

Laminar to turbulent transition of yield power law fluids in annuli.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 128.

s.128-139.

DOI: 10.1016/j.petrol.2015.02.007

Pivnicka, Sebastian; Nguyen, Tan C.; Al-Safran, Eissa; Saasen, Arild

(2015)

Pressure gradient prediction of time-dependent drilling fluids andthe effect of acceleration.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 135.

s.246-252.

DOI: 10.1016/j.petrol.2015.09.008

Erge, Oney; Ozbayoglu, Evren Mehmet; Miska, Stefan; Yu, Mengjiao; Takach, Nicholas; Saasen, Arild; May, Roland

(2015)

The Effects of Drillstring-Eccentricity, -Rotation, and -Buckling Configurations on Annular Frictional Pressure Losses While Circulating Yield-Power-Law Fluids.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 30.

Hefte 3.

s.257-271.

DOI: 10.2118/167950-PA

Omosebi, Omotayo; Maheshwari, Himanshu; Ahmed, Ramadan; Shah, Subhash; Osisanya, Samuel; Santra, Ashok; Saasen, Arild

(2015)

Investigating temperature effect on degradation of well cement in HPHT carbonic acid environment.

Journal of Natural Gas Science and Engineering.

ISSN 1875-5100.

Volum 26.

s.1344-1362.

DOI: 10.1016/j.jngse.2015.08.018

Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Sørbø, Jostein; Saasen, Arild; Vrålstad, Torbjørn

(2015)

A Study of Possible Solutions for Cost Efficient Subsea Well Abandonment. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5647-5.

DOI: 10.1115/OMAE2015-41261

Ytrehus, Jan David; Taghipour, Ali; Golchin, Arash; Prakash, Braham; Saasen, Arild

(2015)

The Effect of Different Oil Based Drilling Fluids on Mechanical Friction. I: ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering .

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5647-5.

DOI: 10.1115/OMAE2015-41896

Myrseth, Velaug; Werner, Benjamin; Lund, Bjørnar; Saasen, Arild; Ytrehus, Jan David

(2015)

Rheological Properties of Oil Based Drilling Fluids and Base Oils. I: Proceedings ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering Volume 10: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5658-1.

DOI: 10.1115/OMAE2015-41911

Ytrehus, Jan David; Taghipour, Ali; Sayindla, Sneha; Lund, Bjørnar; Werner, Benjamin; Saasen, Arild

(2015)

Full Scale Flow Loop Experiments of Hole Cleaning Performances of Drilling Fluids. I: Proceedings ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering Volume 10: Petroleum Technology.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5658-1.

DOI: 10.1115/OMAE2015-41901

Assembayev, Dias; Myrseth, Velaug; Werner, Benjamin; Gyland, Knud Richard; Saasen, Arild; Ibragimova, Zalpato; Ytrehus, Jan David

(2015)

Establishing an Experimental Preconditioning Procedure for Rheological Characterization of Oil-Based Drilling Fluids. I: Annual Transactions of the Nordic Rheology Society.

ISBN 978-91-637-9104-8.

s.43-50.

Elgaddafi, Rida; Naidu, Adarsh; Ahmed, Ramadan; Shah, Subhash; Hassani, Shokrollah; Osisanya, Samuel O.; Saasen, Arild

(2015)

Modeling and experimental study of CO2 corrosion on carbon steel at elevated pressure and temperature.

Journal of Natural Gas Science and Engineering.

ISSN 1875-5100.

Volum 27.

Hefte 3.

s.1620-1629.

DOI: 10.1016/j.jngse.2015.10.034

Moeinikia, Fatemeh; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn

(2015)

Probabilistic cost and time estimation of rigless plug and abandonment.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 67.

Hefte 1.

s.117-119.

Lavrov, Alexandre; Taghipour, Ali; Ytrehus, Jan David Mendelsohn; Mårdalen, Jostein; Lund, Hans Karl; Vrålstad, Torbjørn; Lund, Bjørnar; Carlsen, Inge Manfred; Saasen, Arild; Wold, Sturla; Abdollahi, Jafar; Torsvoll, A; Reyes, Angel; Næumann, Jørgen; Melchiorsen, Jens Christian; Skalle, Pål

(2014)

Numerical and experimental study of the stbility of non-circular boreholes in high-permeability formations.

International Journal of Rock Mechanics And Mining Sciences.

ISSN 1365-1609.

Volum 68.

s.128-135.

DOI: 10.1016/j.ijrmms.2014.02.018

Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Hodne, Helge

(2014)

Potential Utilization of Geopolymers in Plug and Abandonment Operations. I: SPE Bergen One Day Seminar, Bergen, Norway, 2 April 2014 - Conference Proceedings.

Society of Petroleum Engineers.

ISBN 978-1-61399-323-1.

DOI: 10.2118/169231-m

Taghipour, Ali; Lund, Bjørnar; Ytrehus, Jan David Mendelsohn; Skalle, Pål; Saasen, Arild; Reyes, Angel; Abdollahi, Jafar

(2014)

Experimental Study of Hydraulics and Cuttings Transport in Circular and Noncircular Wellbores.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 136.

Hefte 2.

DOI: 10.1115/1.4027452

Saasen, Arild

(2014)

Annular Frictional Pressure Losses during Drilling – Predicting the Effect of Drillstring Rotation.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 136.

Hefte 3.

DOI: 10.1115/1.4026205

Saasen, Arild; Jodestol, K.; Furuholt, Edgar

(2014)

CO2 and NOx Emissions From Cuttings Handling Operations. I: SPE Bergen One Day Seminar, Bergen, Norway, 2 April 2014 - Conference Proceedings.

Society of Petroleum Engineers.

ISBN 978-1-61399-323-1.

DOI: 10.2118/169216-MS

Torsvik, Anja; Myrseth, Velaug ; Opedal, Nils van der Tuuk; Lund, Bjørnar; Saasen, Arild; Ytrehus, Jan David Mendelsohn

(2014)

Rheological comparison of bentonite based and KCl/polymer based drilling fluids. I: Annual Transactions of The Nordic Rheology Society.

ISBN 978-91-637-3012-2.

s.219-224.

Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Hodne, Helge

(2014)

Potential utilization of class C fly ash-based geopolymer in oil well cementing operations.

Cement & Concrete Composites.

ISSN 0958-9465.

Volum 53.

s.10-17.

DOI: 10.1016/j.cemconcomp.2014.06.014

Nguyen, Tan C.; Miska, Stefan; Saasen, Arild; Maxey, Jason

(2014)

Using Taguchi and ANOVA methods to study the combined effects of drilling parameters on dynamic barite sag.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 121.

s.126-133.

DOI: 10.1016/j.petrol.2014.06.029

Al-saba, Mortadha T; Nygaard, Runar; Saasen, Arild; Nes, Olav-Magnar

(2014)

Lost Circulation Materials Capability of Sealing Wide Fractures. I: SPE Deepwater Drilling and Completions Conference, 10-11 September, Galveston, Texas, USA.

Society of Petroleum Engineers.

ISBN 978-1-61399-326-2.

DOI: 10.2118/170285-MS

Nguyen, Tan; Al-Safran, Eissa; Saasen, Arild; Nes, Olav-Magnar

(2014)

Modeling the design and performance of progressing cavity pump using 3-D vector approach.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 122.

s.180-186.

DOI: 10.1016/j.petrol.2014.07.009

Erge, Oney; Ozbayoglu, Mehmet E.; Miska, Stefan Z.; Yu, Mengjiao; Takach, Nicholas; Saasen, Arild; May, Roland

(2014)

Effect of Drillstring Deflection and Rotary Speed on Annular Frictional Pressure Losses.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 136.

DOI: 10.1115/1.4027565

Ytrehus, Jan David Mendelsohn; Taghipour, Ali; Lund, Bjørnar; Werner, Benjamin; Opedal, Nils van der Tuuk; Saasen, Arild; Ibragimova, Zalpato

(2014)

Experimental study of cuttings transport efficiency of water based drilling fluids - OMAE2014-23960. I: ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering Volume 5: Materials Technology; Petroleum Technology San Francisco, California, USA, June 8–13, 2014.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-4545-5.

DOI: 10.1115/OMAE2014-23960

Taghiyev, Farid; Saasen, Arild; Hodne, Helge

(2014)

Application of Thermo-Mechanically Treated Drill Cuttings as an Alternative to Bentonite in Spud Muds.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 22.

Kroken, Asbjørn; Vasshus, Jan Kristian; Saasen, Arild; Aase, Bodil Blix; Omland, Tor Henry

(2013)

A New Fluid Management System and Methods for Improving Filtration and Reducing Waste Volume, Introducing a Step Change in Health and Safety in the Mud Processing Area. I: SPE / IADC Drilling Conference and Exhibition.

Society of Petroleum Engineers.

ISBN 978-1-61399-232-6.

DOI: 10.2118/163522-m

Larsson, Andreas; Blikra, Harald; Florvaag, Magnus; Vasshus, Jan Kristian; Malmin, Arne; Grelland, Tore; Stokknes, Arne; Saasen, Arild

(2013)

Solids Control Device Optimised For Proper Occupational Hygiene. I: SPE European HSE Conference and Exhibition - Health, Safety, Environment and Social Responsibility in the Oil &Gas Exploration, Apr 16 - 18, 2013 2013, London, United Kingdom.

Society of Petroleum Engineers.

ISBN 978161399256-2.

DOI: 10.2118/164953-MS

Saasen, Arild; Fjelde, Kjell Kåre; Vrålstad, Torbjørn; Raksagati, Sanggi; Moeinikia, Fatemeh

(2013)

Plug and Abandonment of Offshore Exploration Wells. I: Offshore Technology Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-241-8.

DOI: 10.4043/23909-MS

Saasen, Arild; Hodne, Helge; Khalifeh, Mahmoud; Vrålstad, Torbjørn

(2013)

Techniques and Materials for North Sea Plug and Abandonment Operations. I: Offshore Technology Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-241-8.

DOI: 10.4043/23915-m

Nes, Olav Magnar; Bøe, Reidar; Sønstebø, Eyvind Frode; Gran, Kjetil; Wold, Sturla; Saasen, Arild; Fjogstad, Arild

(2013)

Post-Well Shale-Stability Modeling and History Matching in Norwegian North Sea.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 28.

Hefte 2.

s.168-181.

DOI: 10.2118/150714-PA

Omland, Tor Henry; Hodne, Helge; Saasen, Arild; Mjølhus, Stian; Amundsen, Per Amund

(2013)

Drilling Fluid Weight Material Sedimentation—Sedimentation of Suspensions.

Petroleum science and technology.

ISSN 1091-6466.

Volum 31.

Hefte 18.

s.1908-1915.

DOI: 10.1080/10916466.2010.489085

Nes, Olav Magnar; Brenna, Anders; Gran, K; Saasen, Arild

(2013)

Borehole Shale Stability Analysis to Facilitate Successful Drilling of a Horizontal Well in the North Sea. I: 47th US Rock Mechanics/Geomechanics Symposium Proceedings.

American Rock Mechanics Association (ARMA).

ISBN 978-0-9894844-0-4.

Erge, Oney; Ozbayogly, Mehmet E.; Miska, Stefan Z.; Yu, Mengjiao; Takach, Nicholas; Saasen, Arild; May, Roland

(2013)

Effect of Drillstring Deflection and Rotary Speed on Annular Frictional Pressure Losses. I: OMAE 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering.

The American Society of Mechanical Engineers (ASME).

ISBN 978-0-7918-5540-9.

DOI: 10.1115/OMAE2013-10448

Saasen, Arild; Dahl, Bjørn; Jødestøl, Kjell

(2013)

Particle Size Distribution of Top Hole Drill Cuttings from Norwegian Sea Area Offshore Wells.

Particulate Science and Technology.

ISSN 0272-6351.

Volum 31.

Hefte 1.

s.85-91.

DOI: 10.1080/02726351.2011.648824

Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild

(2012)

The Design of BHA and the Placement of Magnetometer Sensors Influence How Magnetic Azimuth Is Distorted by the Magnetic Properties of Drilling Fluids.

SPE Drilling & Completion.

ISSN 1064-6671.

Tellefsen, Kristoffer; Ding, Songxiong; Saasen, Arild; Amundsen, Per Amund; Fjogstad, Arild; Torkildsen, Torgeir

(2012)

The Effect of Drilling Fluid Content on Magnetic Shielding of Downhole Compasses in MWDs. I: Deepwater Drilling and Completions Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-208-1.

DOI: 10.2118/150548-m

Bui, Binh; Saasen, Arild; Maxey, Jason; Ozbayoglu, Evren M.; Miska, Stefan; Yu, Mengjiao; Takach, Nicholas

(2012)

Viscoelastic Properties of Oil-Based Drilling Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 20.

s.33-47.

Taghipour, Ali; Lund, Bjørnar; Sandvold, Ida; Opedal, Nils van der Tuuk; Carlsen, Inge Manfred; Vrålstad, Torbjørn; Ytrehus, Jan David Mendelsohn; Skalle, Pål; Saasen, Arild

(2012)

Experimental Study of Rheological Properties of Model Drilling Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 20.

s.303-310.

Costamte, Johanes Ronny; Trondsen, A.; Bergkvam, R.; Hodne, Helge; Saasen, Arild

(2012)

Horizontal Openhole Gravel Packing in Wells with Long Blank Pipe and Screen Sections. I: Deepwater Drilling and Completions Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-208-1.

DOI: 10.2118/150546-m

Nes, Olav Magnar; Bøe, Reidar; Sønstebø, Eyvind Frode; Gran, Kjetil; Wold, Sturla; Saasen, Arild; Fjogstad, Arild

(2012)

Borehole Instability in Tertiary Shales in the Norwegian North Sea. I: Deepwater Drilling and Completions Conference.

Society of Petroleum Engineers.

ISBN 978-1-61399-208-1.

DOI: 10.2118/150714-m

Srivastav, R.; Enfis, M.; Crespo, R. Ahmed; Saasen, Arild; Laget, M.

(2012)

Surge and Swab Pressures in Horizontal and Inclined Wells. I: SPE Latin America and Caribbean Petroleum Engineering Conference, 16-18 April 2012, Mexico City, Mexico.

Society of Petroleum Engineers.

ISBN 978-1-61399-198-5.

Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild

(2012)

The Design of BHA and the Placement of Magnetometer Sensors Influence How Magnetic Azimuth Is Distorted by the Magnetic Properties of Drilling Fluids.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 27.

Hefte 3.

s.392-405.

DOI: 10.2118/151039-pa

Crespo, Freddy; Ahmed, Ramadan; Saasen, Arild; Enfis, Majed; Amani, Mahmood

(2012)

Surge-and-Swab Pressure Predictions for Yield-Power-Law Drilling Fluids.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 27.

Hefte 4.

s.574-585.

DOI: 10.2118/138938-pa

Ribesen, Bjørn Thore; Horvei, Kjell-Arild; Magnussen, Tove; Saasen, Arild; Veiberg, Tormod

(2011)

Exploration drilling campaigns - Optimized drilling performance using drilling consortium management. I: 2011 SPE/ IADC Drilling Conference and Exhibition "Being the Best - Growing Our Business".

Society of Petroleum Engineers.

ISBN 978-1-55563-326-4.

s.550-561.

DOI: 10.2118/139954-m

Nguyen, Tan; Miska, Stefan; Yu, Mengjiao; Takach, Nicholas; Ahmed, Ramadan; Saasen, Arild; Tor Henry, Omland; Maxey, Jason

(2011)

Experimental study of dynamic barite sag in oil-based drilling fluids using a modified rotational viscometer and a flow loop.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 78.

Hefte 1.

s.160-165.

DOI: 10.1016/j.petrol.2011.04.018

Edy, I Ketut Ascar; Saasen, Arild; Hodne, Helge

(2011)

Rheological Properties of Fracturing Fluids.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 19.

s.47-52.

Saasen, Arild; Wold, Sturla; Ribesen, Bjørn Thore; Tran, Tu Nhat; Huse, Arve; Rygg, Vidar; Grannes, Ingvar; Svindland, Alf

(2011)

Permanent Abandonment of a North Sea Well Using Unconsolidated Well-Plugging Material.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 26.

Hefte 3.

s.371-375.

DOI: 10.2118/133446-PA

Ding, Songxiong; Datta, Biplab K.; Saasen, Arild; Amundsen, Per Amund

(2010)

Experimental Investigation of the Magnetic Shielding Effect of Mineral Powders in a Drilling Fluid.

Particulate Science and Technology.

ISSN 0272-6351.

Volum 28.

Hefte 1.

s.86-94.

DOI: 10.1080/02726350903500781

Omland, Tor H.; Hodne, Helge; Saasen, Arild; Mjølhus, Stian; Amundsen, Per Amund

(2010)

Rig-site equipment determines drilling fluid weight material sag.

Oil & Gas Journal.

ISSN 0030-1388.

Volum 108.

Hefte 1.

s.39-45.

Ozbayoglu, Evren M.; Saasen, Arild; Sorgun, Mehmed; Svanes, Kåre

(2010)

Critical Fluid Velocities for Removing Cuttings Bed Inside Horizontal and Deviated Wells.

Petroleum science and technology.

ISSN 1091-6466.

Volum 28.

Hefte 6.

s.594-602.

DOI: 10.1080/10916460903070181

Ozbayoglu, Evren M.; Sorgun, Mehmed; Saasen, Arild; Svanes, Kåre

(2010)

Hole Cleaning Performance of Light-Weight Drilling Fluids During Horizontal Underbalanced Drilling.

Journal of Canadian Petroleum Technology.

ISSN 0021-9487.

Volum 49.

Hefte 4.

s.21-26.

DOI: 10.2118/136689-PA

Amundsen, Per Amund; Ding, Songxiong; Datta, Biplab K.; Torkildsen, Torgeir; Saasen, Arild

(2010)

Magnetic Shielding During MWD Azimuth Measurements and Wellbore Positioning.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 25.

Hefte 2.

s.219-222.

DOI: 10.2118/113206-PA

Saasen, Arild; Ahmed, Ramadan; Enfis, Majed; Miftah-El-Kheir, Hamza; Laget, Morten

(2010)

The effect of drillstring on equivalent circulation density : modeling and analysis of field measurements. I: ATCE 2010 : SPE Annual Technical Conference and Exhibition : proceedings, 20 - 22 September, Florence, Italy.

Society of Petroleum Engineers.

ISBN 978-1-55563-300-4.

Saasen, Arild; Wold, Sturla; Ribesen, Bjørn Thore; Tran, Tu Nhat; Huse, Arve; Rygg, Vidar; Grannes, Ingvar; Svindland, Alf

(2010)

Permanent abandonment of a north sea well using unconsolidated well plugging material. I: ATCE 2010 : SPE Annual Technical Conference and Exhibition : proceedings, 20 - 22 September, Florence, Italy.

Society of Petroleum Engineers.

ISBN 978-1-55563-300-4.

Saasen, Arild; Crespo, Freddy; Ahmed, Ramadan

(2010)

Surge and swab pressure predictions for yield-power-law drilling fluids. I: ATCE 2010 : SPE Annual Technical Conference and Exhibition : proceedings, 20 - 22 September, Florence, Italy.

Society of Petroleum Engineers.

ISBN 978-1-55563-300-4.

Saasen, Arild; Tjøm, Kyrre J.; Steinhovden, Knut Ove; Ekrem, Steinar

(2010)

Optimized anchor-handling operations in environmentally sensitive areas. I: ATCE 2010 : SPE Annual Technical Conference and Exhibition : proceedings, 20 - 22 September, Florence, Italy.

Society of Petroleum Engineers.

ISBN 978-1-55563-300-4.

Saasen, Arild; Nguyen, Duc; Miska, Stefan; Yu, Mengjiao

(2010)

Modeling thermal effects on wellbore stability. I: ATCE 2010 : SPE Annual Technical Conference and Exhibition : proceedings, 20 - 22 September, Florence, Italy.

Society of Petroleum Engineers.

ISBN 978-1-55563-300-4.

Ahmed, R.M.; Takach, Nicholas; Khan, U.M.; Taoutaou, S.; James, S.; Saasen, Arild; Godøy, R.

(2009)

Rheology of foamed cement.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 39.

Hefte 4.

s.353-361.

DOI: 10.1016/j.cemconres.2008.12.004

Opseth, T. Landbø; Ribesen, Bjørn Thore; Syrstad, Bjarne; Huse, Arve; Bolstad, Lars; Saasen, Arild

(2009)

Curing shallow water flow in a North Sea exploration well exposed to shallow gas. I: Energy at a crossroads: making choices : Offshore Europe 2009 : Offshore Europe Oil & Gas Conference and Exhibition : 8th-11th September 2009, Aberdeen : 8th-11th September 2009, Aberdeen Exhibition and Conference Center, UK : proceedings.

Society of Petroleum Engineers.

ISBN 978-1-55563-261-8.

Hodne, Helge; Saasen, Arild; Haugland, Jone

(2009)

Rheological Measurements of Cementitious Suspensions Using a Grooved Measuring Device. I: Papers presented at the Nordic Rheology Conference, Reykjavik, Iceland, August 18-20, 2009 : general papers and papers from the special sessions on emulsion and suspension rheology / editor: K. Nevalainen.

ISBN 9789521521362.

s.69-73.

Saasen, Arild; Omland, Tor H.; Ekrene, S.; Brévière, Jerome; Villard, Eric; Kaageson-Loe, Nils; Tehrani, Ahmadi; Cameron, Jacquoline; Freeman, Michael A.; Growcock, Fred; Steele, ukjent-for-m053807; Patrick, Andrew; Stock, Tore; Jørgensen, Terje; Reinholt, Frode; Amundsen, Hans E.F.; Steele, A.; Meeten, G.; Meeten, Gerry

(2009)

Automatic Measurement of Drilling Fluid and Drill-Cuttings Properties.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 24.

Hefte 4.

s.611-625.

Ratnayake, Chandana; Datta, Biplab K.; Saasen, Arild; Bastesen, Yngve; Melaaen, Morten Christian

(2008)

Prediction of pressure drop at the entry section from top discharge blow tank in a pneumatic conveying system.

Particulate Science and Technology.

ISSN 0272-6351.

Volum 26.

Hefte 5.

s.451-459.

DOI: 10.1080/02726350802367639

Ozbayoglu, Evren M.; Saasen, Arild; Sorgun, Mehmed; Svanes, Kåre

(2008)

Effect of Pipe Rotation on Hole Cleaning for Water-Based Drilling Fluids in Horizontal and Deviated Wells. I: http://www.spe.org/.

Society of Petroleum Engineers.

Amundsen, Per Amund; Ding, Songxiong; Datta, Biplab K.; Torkildsen, Torgeir; Saasen, Arild

(2008)

Magnetic Shielding during MWD Azimuth Measurements and Wellbore Positioning. I: http://www.spe.org/.

Society of Petroleum Engineers.

Omland, Tor H.; Dahl, Bjørn; Saasen, Arild; Taugbøl, Knut; Amundsen, Per Amund

(2008)

Optimized Solids Control Provides Opportunities for Drilling Depleted Reservoirs.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 60.

Hefte 11.

s.84-86.

Dahl, Bjørn; Saasen, Arild; Omland, Tor

(2008)

Successfull Drilling of Oil and Gas Wells by Optimisation of Drilling Fluid Solids Control- A Practical and Theoretical Evaluation.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 23.

Hefte 4.

s.409-414.

DOI: 10.2118/103934-MS

Datta, Biplab K.; Saasen, Arild; Hafenbrädl, F.O. von; Omland, Tor H.

(2007)

Norwegians develop new method to measure shaker screen performance.

Oil & Gas Journal.

ISSN 0030-1388.

Volum 105.

Hefte 43.

Fard, Ali-Reza; Omland, Tor H.; Saasen, Arild

(2007)

Shale Shaker's Effect on Drilling Fluids Rheological Properties.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 15.

s.227-230.

Hodne, Helge; Galta, Stian; Saasen, Arild

(2007)

Rheological modelling of cementitious materials using the Quemada model.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 37.

Sørheim, Roald; Paulsen, John Eirik; Saasen, Arild; Leleux, Jerome; Albouy, Arnaud; Haraldsen, Trond Knapp; Pedersen, Per Anker; Hartnik, Thomas; Linjordet, Roar

(2007)

Experimental study of composting oil wet drill cuttings as a drilling waste disposal option.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 129.

Hefte 4.

s.307-313.

DOI: 10.1115/1.2790982

Omland, Tor H.; Saasen, Arild; Amundsen, Per Amund

(2007)

Detection Techniques Determining Weighting Material ag in Drilling Fluids and Relationship to Rheology.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 15.

s.277-85.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2007)

Characteristic of velocity profiles over fixed dunes in pipe.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Ozbayoglu, Evren M.; Saasen, Arild; Sorgun, Mehmed; Svanes, Kåre

(2007)

Estimating Critical Velocity to Prevent Bed Development for Horizontal-Inclined Wellbores. I: SPE/IADC 108005.

Society of Petroleum Engineers.

Omland, Tor H.; Jørgensen, T.; Saasen, Arild; Taugbøl, Knut; Dahl, Bjørn; Reinholdt, F.; Scholz, N.; Ekrene, S.; Villard, E.; Amundsen, Per Amund; Amundsen, H.E.F.; Fries, M.; Steele, A.

(2007)

Improved Drilling Process Control Through Continuous Particle and Cuttings Monitoring. I: SPE 107547.

Society of Petroleum Engineers.

Omland, Tor H.; Albertsen, Tron; Taugbøl, Knut; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund

(2006)

The Effect of the synthetic and Oil based Drilling Fluid's Internal Water Phase Composition on Barite Sag.

SPE Drilling & Completion.

ISSN 1064-6671.

Volum 21.

s.91-6.

Hodne, Helge; Falkeid, Vivian; Saasen, Arild

(2006)

The influence of entrapped air on rheological properties of cement suspensions in early state of hydration.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 14.

s.103-106.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2006)

Simultaneous use of PIV and UVP to measure velocity profiles and turbulence in jet flow.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 14.

s.149-157.

Amundsen, Per Amund; Torkildsen, Torgeir; Saasen, Arild

(2006)

Shielding of directional magnetic sensor readings in a Measurement While Drilling tool for oil well positioning.

Journal of energy resources technology.

ISSN 0195-0738.

s.343-5.

Datta, Biplab K.; Ratnayake, Chandana; Saasen, Arild; Omland, Tor H.

(2005)

Hole cleaning and pressure loss prediction from a bulk transport perspective.

SPE Journal.

ISSN 1086-055X.

Hefte 96315.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2005)

Flow regimes over paricle beds. Experimental studies of paricle transport in horizontal pipes.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum vol 13.

Rabenjafimanantsoa, A. H.; Time, R. W.; hana, M; Saasen, Arild

(2005)

Dunes dynamics and turbulence structures over particle beds. Experimental studies and numerical simulations.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum vol 13.

Hodne, Helge; Saasen, Arild; Pita, Edin

(2005)

Rheology of cementitious suspensions containing weighting agents. I: Annual Transactions of the Nordic Rheology Society.

s.191-197.

Omland, Tor H.; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund

(2005)

The influence of particle type and size distribution on viscosity i a non-newtonian drilling fluid.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 14.

Ahmed, Ramadan; Saasen, Arild; Skalle, Pål

(2001)

Application of Shear-induced Diffusivity in Solid Particle Transportation: Experimental and Modeling.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 9.

s.23-29.

Ahmed, Ramadan; Skalle, Pål; Johansen, S.T.; Sveen, Jostein; Saasen, Arild

(2001)

Mechanistic model for cuttings removal from solid bed in inclined channels.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 30.

s.129-141.

Hodne, Helge; Saasen, Arild

(2000)

The effect of the cement zeta potential and slurry conductivity on the consistency of oilwell cement slurries.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 30.

s.1767-1772.

Hodne, Helge; Saasen, Arild; O`Hagan, Arthur B.; Wick, Svein O.

(2000)

Effects of time and shear energy on the rheological behaviour of oilwell cement slurries.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 30.

s.1759-1766.

Rasmussen, H.K.; Hassager, O.; Saasen, A.

(1998)

Viscous Flow with Large Fluid-Fluid Interface Displacement.

?.

Volum 28.

s.859-881.

Log, P.A.; Saasen, A.

(1997)

Sedimentation Behaviour During Testing of Oil Well Cement Slurries.

?.

Volum 8.

s.33-41.

Wallevik, Olafur H.; Saasen, Arild; Gjørv, Odd E.

(1996)

Effect of filler materials on the rheological properties of fresh concrete : discussion by Moncef Nehdi and authors.

ACI Materials Journal.

ISSN 0889-325X.

Volum 93.

Hefte 4.

s.396-398.

Saasen, Arild; Log, P.A.

(1996)

The effect of ilmenite plant dust on rheological properties of class G oil well cement.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 26.

s.707-715.

Log, P.A.; Saasen, A.

(1996)

Sedimentation Behaviour During Testing of Oil Well Cement Slurries.

?.

Volum 8.

Hefte 1.

s.33-41.

Saasen, A.

(1996)

The Dispersion Relation at Large Frequencies for Linear Surface Gravity Waves on a Maxwell Fluid Exhibiting a Spatial Decay.

?.

Volum 47.

s.162-167.

Wallevik, Olafur H.; Saasen, Arild; Gjørv, Odd E.

(1995)

Effect of filler materials on the rheological properties of fresh concrete.

ACI Materials Journal.

ISSN 0889-325X.

Volum 92.

Hefte 5.

s.524-528.

Saasen, A.

(1995)

The Dispersion Relation at Large Frequencies for Linear Surface Gravity waves on a Maxwell Fluid Exhibiting a Spatial Decay.

?.

Volum 47.

s.162-167.

Aguta, R.M.; Olsen, K.E.; Bøe, A.; Saasen, A.; Aas, B.

(1995)

Experimental Investigation of Liquid Accumulation Effects During Orifice Gas Metering of Two-Phase Flow.

?.

Volum 59.

s.281-285.

Behzadi, A.; Saasen, A.; Sterri, N.; Harestad, K.; Josefsen, E.

(1995)

Effects of Mica on Rheology and Strength Development of Class G Oil Well Cements in Early Stages of Cure.

?.

Volum 5.

s.395-406.

Wallevik, O.H.; Saasen, A.

(1995)

The Effects of Filler Materials on Rheological Properties of Fresh Concrete.

?.

Volum 92.

s.524-528.

Bøker og kapitler

Khalifeh, Mahmoud; Saasen, Arild

(2020)

Introduction to permanent plug and abandonment of wells.

Springer Nature.

ISBN 9783030399696.

Volum 12.

Hefte ..

Brown, Christian F.; Podnos, Evgeny G.; Saasen, Arild; Dziekonski, Mitchell; Al Furati, Mustafa

(2018)

The use of aluminum drill pipe for damping drill string vibrations. I: SPE Norway One Day Seminar 2018.

Society of Petroleum Engineers.

ISBN 978-1-61399-609-6.

DOI: 10.2118/191332-MS

Grimstad, Alv-Arne; Linga, Harald; Haave, Øyvind; Saasen, Arild

(2017)

Degassing Rate of drilling Fluid Base Oils as Exposed to Depressurisation and Drill Sting Rotation. I: 2017 SPE/IADC - Drilling Conference and Exhibition - digital Proceedings.

Society of Petroleum Engineers.

ISBN 978-1-61399-501-3.

DOI: 10.2118/184707-MS

Linga, Harald; Torsvik, Anja; Saasen, Arild

(2016)

Kick Detection Capability of Oil-Based Muds in Well Control Situations. I: SPE Bergen One Day Seminar, 20 April, Grieghallen, Bergen, Norway.

Society of Petroleum Engineers.

ISBN 978-1-61399-464-1.

DOI: 10.2118/180039-MS

Werner, Benjamin; Lund, Bjørnar; Myrseth, Velaug; Saasen, Arild; Gyland, Knud Richard

(2016)

Comparison of Rheological Properties of Oil-Based and KCl Drilling Fluids. I: SPE Bergen One Day Seminar, 20 April, Grieghallen, Bergen, Norway.

Society of Petroleum Engineers.

ISBN 978-1-61399-464-1.

DOI: 10.2118/180063-MS

Vrålstad, Torbjørn; Todorovic, Jelena; Saasen, Arild; Godøy, Rune

(2016)

Long-Term Integrity of Well Cements at Downhole Conditions. I: SPE Bergen One Day Seminar, 20 April, Grieghallen, Bergen, Norway.

Society of Petroleum Engineers.

ISBN 978-1-61399-464-1.

Cayeux, Eric; Daireaux, Benoit; Balov, Mohsen Karimi; Haavardstein, Stein; Stokland, Leif Magne; Saasen, Arild

(2016)

Automatic Performance Analysis and Estimation of Risk Level Embedded in Drilling Operation Plans.

ISBN 978-1-61399-459-7.

Hefte 2016.

Fatemeh, Moeinikia; Fjelde, Kjell Kåre; Saasen, Arild; Vrålstad, Torbjørn; Arild, Øystein

(2014)

Evaluating Cost Efficiency of Rigless P&A for Subsea Multiwell Campaign. I: IADC/SPE Drilling Conference and Exhibition, Texas, USA, 4-6 March 2014 - Conference Proceedings.

Society of Petroleum Engineers.

ISBN 978-1-61399-296-8.

Amundsen, Per Amund; Torkildsen, Torgeir; Saasen, Arild; Omland, Tor H.

(2005)

Shielding of directional magnetic sensor readings in a Measurement While Drilling tool for oil well positioning.

Universitetet i Stavanger.

ISBN 8276442668.

Hefte 8.

Formidling

Husby, Karsten; Hjelstuen, Magnus; Eriksen, Tor Jan; Saasen, Arild; Ytrehus, Jan David; Liberale, Alessandro; Koraei, Mostafa

(2024)

Active Magnetic Ranging Solution While Drilling for Geothermal Loop: Test in Low-Conductive Formation.

SPE Canadian Energy Technology Conference and Exhibition;

2024-03-13 - 2024-03-14.

Ytrehus, Jan David Mendelsohn Wenngren; Saasen, Arild

(2023)

Herchel-Bulkley models used for drilling fluid applications.

International Congress on Rheology;

2023-07-31 - 2023-08-04.

Ytrehus, Jan David Mendelsohn Wenngren; Saasen, Arild

(2023)

Rheology of Well Fluids.

Special Seminar;

2023-11-07.

Saasen, Arild; Ytrehus, Jan David

(2023)

Herschel-Bulkley parameter evaluation of oil-based drilling fluids.

8TH PACIFIC RIM CONFERENCE ON RHEOLOGY;

2023-05-15 - 2023-05-19.

Ytrehus, Jan David; Saasen, Arild

(2023)

Herschel-Bulkley models used for drilling fluids applicaionts.

International Conference on Rheology;

2023-07-30 - 2023-08-04.

Ytrehus, Jan David; Saasen, Arild

(2023)

Rheology of Well Fluids.

Special Seminar - Rheology of Well Fluids;

2023-11-07.

Yousefi Oderji, Sajjad; Khalili, Pouya; Khalifeh, Mahmoud; Saasen, Arild

(2022)

The Impacts of Superplasticizers on Rheology and Strength of Alkali-Activated Norite/Slag Geopolymer Binders.

ANNUAL TRANSACTIONS OF THE NORDIC RHEOLOGY SOCIETY;

2022-08-08 - 2022-08-10.

Khalili, Pouya; Khalifeh, Mahmoud; Saasen, Arild

(2022)

The Effect of Fluid Contamination on Rheological Properties of Geopolymer Materials.

41st International Conference on Ocean, Offshore and Arctic Engineering;

2022-06-05 - 2022-06-10.

Omran, Mohamed ; Khalifeh, Mahmoud; Saasen, Arild

(2022)

Influence of Activators and Admixtures on Rheology of Geopolymer Slurries for Well Cementing Applications.

SPE Asia Pacific Oil & Gas Conference and Exhibition;

2022-10-17 - 2022-10-19.

Saasen, Arild

(2022)

Thermal effects on wellbore stability and fluid loss in high-temperature geothermal drilling.

2022 AADE Fluids Technical Conference and Exhibition ;

2022-04-19 - 2022-04-20.

Pedrosa, Camilo; Ytrehus, Jan David; Aschl, Timothy; Lund, Bjørnar; Saasen, Arild

(2021)

Wet-granular rheology to measure cuttings-bed strength.

Nordic Rheology Conference 2021;

2021-08-18 - 2021-08-20.

Klungtvedt, Karl Ronny; Berglind, Bjørn; Vasshus, Jan Kristian; Khalifeh, Mahmoud; Saasen, Arild

(2021)

Preventing Drilling Fluid Induced Reservoir Formation Damage SPE-202187-MS.

SPE/IADC Middle East Drilling Technology Conference and Exhibition 25 – 27 May 2021 I Virtual and Abu Dhabi, UAE;

2021-05-25 - 2021-05-27.

Saasen, Arild; Linga, Harald

(2021)

Selected Geothermal R&D projects.

METU Geothermal Seminar;

2021-09-01.

Saasen, Arild; Assadi, Mohsen

(2021)

Geothermal energy research.

METU Geothermal Seminar;

2021-09-01.

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Delabroy, Laurent

(2020)

MATERIALS FOR WELL INTEGRITY: CHARACTERIZATION OF SHORT-TERM MECHANICAL PROPERTIES.

OMAE Conference;

2020-08-03 - 2020-08-07.

Ofei, Titus Ntow; Lund, Bjørnar; Gyland, Knud Richard; Saasen, Arild

(2020)

Effect of Barite on the Rheological Properties of an Oil-Based Drilling Fluid.

Nordic Rheology Conference in Cyberspace, August 25-26, 2020.;

2020-08-25 - 2020-08-26.

Ofei, Titus Ntow; Cheng, Itung; Lund, Bjørnar; Saasen, Arild

(2020)

On the Stability of Oil-Based Drilling Fluid: Effect of Oil-Water Ratio.

39th International Conference on Ocean, Offshore and Arctic Engineering;

2020-08-03 - 2020-08-07.

Ofei, Titus Ntow; Lund, Bjørnar; Saasen, Arild; Sangesland, Sigbjørn; Linga, Harald; Gyland, Knud Richard; Kawaji, Masahiro

(2020)

Barite Sag Measurements.

IADC/SPE International Drilling Conference and Exhibition;

2020-03-03 - 2020-03-05.

Alvi, Muhammad Awais Ashfaq; Agonafir, Mesfin Belayneh; Fjelde, Kjell Kåre; Saasen, Arild; Bandyopadhyay, Sulalit

(2020)

Effect of Hydrophobic Iron Oxide Nanoparticles on the Properties of Oil Based Drilling Fluid.

ASME 2020 39th International Conference on Ocean;

2020-08-03 - 2020-08-07.

Kamali, Mohammadreza; Khalifeh, Mahmoud; Saasen, Arild; Delabroy, Laurent

(2020)

Materials for Well Integrity – Short-Term Mechanical Properties of Cement Systems.

SPE Norway Subsurface Conference, 2-3 November, Virtual;

2020-11-02 - 2020-11-03.

Saasen, Arild; Ytrehus, Jan David; Lund, Bjørnar

(2020)

Annular Frictional Pressure Losses.

18th International Congress on Rheology;

2020-12-13 - 2020-12-18.

Khalifeh, Mahmoud; Saasen, Arild; Vasshus, Kristian; Klungtvedt, Karl Ronny

(2019)

Drilling Fluids - Lost Circulation Treatment.

SPE Norway One Day Seminar;

2019-05-14.

Tveit, Mari R.; Khalifeh, Mahmoud; Nordam, Tor; Saasen, Arild

(2019)

FATE OF HYDROCARBON LEAKS FROM PLUGGED AND ABANDONED WELLS COMPARED TO NATURAL SEEPAGES.

OMAE2019;

2019-06-09 - 2019-06-14.

Ghaedi, Parisa; Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Omland, Tor Henry; Shoghl, Farzad

(2019)

MECHANICAL FRICTION IN WELL CONSTRUCTION AND LABORATORY TESTING OF FRICTION COEFFICIENTS.

OMAE2019;

2019-06-09 - 2019-06-14.

Ofei, Titus Ntow; Lund, Bjørnar; Saasen, Arild; Sangesland, Sigbjørn; Gyland, Knud Richard; Linga, Harald

(2019)

A new approach to dynamic barite sag analysis on typical Field oil-based drilling fluid.

Nordic Rheology Conference;

2019-08-21 - 2019-08-23.

Green, Justin; Patey, Ian; Carazza, Luca; Saasen, Arild

(2018)

The Nature of Drilling Fluid Invasion, Clean-Up, and Retention During Reservoir Formation Drilling and Completion.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 70.

Hefte 2.

Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Dziekonski, Mitchell; Brown, Christian

(2018)

Bond Strength Between Different Casing Materials and Cement.

SPE Norway One Day Seminar;

2018-04-18.

Grimstad, Alv-Arne; Linga, Harald; Haave, Øyvind; Saasen, Arild

(2017)

Degassing Rate of Drilling Fluid Base Oils as Exposed to Depressurisation and Drill String Rotation .

SPE/IADC Drilling Conference and Exhibition 2017;

2017-03-14 - 2017-03-16.

Aas, Bjarne; Sørbø, Jostein; Stokka, Sigmund; Saasen, Arild; Godøy, Rune; Lunde, Øyvind

(2017)

Cement Placement With Tubing Left in Hole During Plug-and-Abandonment Operations.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 69.

Hefte 5.

s.85-86.

DOI: 10.2118/178840-m

Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Godøy, Rune; Vrålstad, Torbjørn

(2017)

Geopolymers as an Alternative for Oil Well Cementing Applications: A Review of Advantages and Concerns.

36th International Conference on Ocean, Offshore & Arctic Engineering - OMAE 2017;

2017-06-25 - 2017-06-30.

Ytrehus, Jan David; Lund, Bjørnar; Taghipour, Ali; Divyankar, Shreyansh; Saasen, Arild

(2017)

Experimental Investigation of Wellbore Fluid Displacement in Concentric and Eccentric Annulus.

ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering;

2017-06-25 - 2017-06-30.

Malagalage, Anjana Tharanga; Ratnayake, Chandana; Saasen, Arild; Thomassen, Tonje; Hafenbrädl, F.O. von

(2017)

Flow Properties of Drill Cuttings with Varying Drilling Fluid Content using Jenike Shear Testing.

5th International Symposium on Reliable Flow of Particulate Solids; RELPOWFLO V;

2017-06-13 - 2017-06-15.

Stokka, Sigmund; Cayeux, Eric; Gardner, D; Kragset, Steinar; Lohne, Hans Petter; Randeberg, Erlend; Skadsem, Hans Joakim; Aas, Bjarne; Kyllingstad, Henrik; Larsen, Torgeir; Saasen, Arild

(2016)

Long Reach Well Concept.

IADC/SPE Drilling Conference and Exhibition;

2016-03-01 - 2016-03-03.

Aas, Bjarne; Sørbø, Jostein; Saasen, Arild; Godøy, Rune; Lunde, Øyvind; Vrålstad, Torbjørn

(2016)

Cement Placement with Tubing Left in Hole during Plug and Abandonment Operations.

IADC/SPE Drilling Conference and Exhibition;

2016-03-01 - 2016-03-03.

Cayeux, Eric; Daireaux, Benoit; Balov, Mohsen Karimi; Haavardstein, Stein; Stokland, Leif Magne; Saasen, Arild

(2016)

Automatic Performance Analysis and Estimation of Risk Level Embedded in Drilling Operation Plans.

SPE Intelligent Energy International Conference and Exhibition;

2016-09-06 - 2016-09-08.

Ytrehus, Jan David; Taghipour, Ali; Lund, Bjørnar; Gyland, Knud Richard; Sayindla, Sneha; Saasen, Arild; Hermansson, Lasse

(2016)

Flow Loop Investigation of Lubricant Concentration Effect on Mechanical Friction in Drilling Fluids.

35th International Conference on Ocean, Offshore and Arctic Engineering - OMAE 2016;

2016-06-19 - 2016-06-24.

Ytrehus, Jan David; Taghipour, Ali; Lund, Bjørnar; Gyland, Knud Richard; Saasen, Arild

(2016)

Experimental Investigation of Mechanical Friction and Hydraulics for Liner Drilling and Liner Running.

35th International Conference on Ocean, Offshore and Arctic Engineering - OMAE 2016;

2016-06-19 - 2016-06-24.

Sayindla, Sneha; Lund, Bjørnar; Taghipour, Ali; Werner, Benjamin; Saasen, Arild; Gyland, Knud Richard; Ibragimova, Zalpato; Ytrehus, Jan David

(2016)

Experimental Investigation of Cuttings Transport With Oil Based Drilling Fluids.

35th International Conference on Ocean, Offshore and Arctic Engineering - OMAE 2016;

2016-06-19 - 2016-06-24.

Werner, Benjamin; Myrseth, Velaug; Lund, Bjørnar; Saasen, Arild; Ibragimova, Zalpato; Ytrehus, Jan David; Gyland, Knud Richard

(2016)

Effects of Oil-Based Drilling Fluid Rheological Properties on Hole-Cleaning Performance.

35th International Conference on Ocean, Offshore and Arctic Engineering - OMAE 2016;

2016-06-19 - 2016-06-24.

Khalifeh, Mahmoud; Hodne, Helge; Saasen, Arild; eduok, Ekom

(2016)

Usability of geopolymers for oil well cementing applications: Reaction mechanisms, pumpability, and properties.

SPE Asia Pacific Oil & Gas Conference and Exhibition, 25-27 October, Perth, Australia;

2016-10-25 - 2016-10-27.

Khalifeh, Mahmoud; Saasen, Arild; Vrålstad, Torbjørn; Larsen, Helge Bøvik; Hodne, Helge

(2015)

Cap rock restoration in plug and abandonment operations; possible utilization of aplite-based geopolymers for permanent zonal isolation and well plugging.

SPE Offshore Europe Conference and Exhibition;

2015-09-08 - 2015-09-11.

Dias, Assembayev; Myrseth, Velaug; Werner, Benjamin; Gyland, Knud Richard; Saasen, Arild; Ibragimova, Zalpato; Ytrehus, Jan David

(2015)

Establishing an Experimental Preconditioning Procedure for Rheological Characterization of Oil-Based Drilling Fluids.

Nordic Rheology Conference;

2015-08-19 - 2015-08-20.

Ytrehus, Jan David; Taghipour, Ali; Golchin, Arash; Prakash, Braham; Saasen, Arild

(2015)

The effect of different oil based drilling fluids on mechanical friction.

34 th International Conference on Ocean, offshore and Arctic Engineering;

2015-05-31 - 2015-06-05.

Khalifeh, Mahmoud; Saasen, Arild; Hodne, Helge; Korsnes, Reidar Inge

(2015)

Cap Rock Restoration in Plug and Abandonment Operations; Possible Utilization of Rock-based Geopolymers for Permanent Zonal Isolation and Well Plugging.

International Petroleum Technology Conference;

2015-12-06 - 2015-12-09.

Ratnayake, Ratnayake Mudiyanselage C.; Saasen, Arild

(2015)

Pneumatic conveying of bulk materials in offshore oil rigs: well cement materials.

The 8th International Conference for Conveying and Handling of Particulate Solids;

2015-05-03.

Malagalage, A.; Ratnayake, Ratnayake Mudiyanselage C.; Saasen, Arild

(2015)

Powder conveying principles for efficient handling of offshore drill cuttings.

The 8th International Conference for Conveying and Handling of Particulate Solids;

2015-05-03 - 2015-05-07.

Nguyen, Tan C.; Miska, Stefan; Saasen, Arild; Maxey, J.

(2014)

A Quantitative Study of the Combined Effect of Drilling Parameters on Barite Sag in Oil-Based Drilling Fluids.

2014 AADE National Technical Conference and Exhibition ;

2014-04-15 - 2014-04-16.

Olusola, Olufolahanmi; Nguyen, Tan; Saasen, Arild; Al-Safran, Eissa

(2014)

Prediction of Frictional Pressure Losses for Time Dependent Drilling Fluids in Pipe Flow.

the 2014 AADE Fluids Technical Conference and Exhibition ;

2014-04-15 - 2014-04-16.

Torsvik, Anja; Myrseth, Velaug ; Opedal, Nils van der Tuuk; Lund, Bjørnar; Saasen, Arild; Ytrehus, Jan David Mendelsohn

(2014)

Rheological comparison of bentonite based and KCl/polymer based drilling fluids.

The 23rd Nordic rheology conference;

2014-08-13 - 2014-08-14.

Taghiyev, Farid; Saasen, Arild; Hodne, Helge

(2014)

Application of Termo-Mechanically Treated Drill Cuttings as an Alternative to Bentonite in Spud Muds.

Annual Conference of The nordic Rheology Society;

2014-08-13 - 2014-08-14.

Moeinikia, Fatemeh; Saasen, Arild; Raksagati, Sanggi; Fjelde, Kjell Kåre; Vrålstad, Torbjørn

(2013)

Cost Effective P&A Approach for Wellhead Removal in Offshore Exploration Wells and Methodology for Comparing Alternatives.

SPE Bergen One Day Seminar;

2013-04-10.

Waag, Tor Inge; Torkildsen, Torgeir; Amundsen, Per Amund; Nyrnes, Erik; Saasen, Arild

(2012)

The Design of BHA and the Placement of the Magnetometer Sensors Influence How Magnetic Azimuth is Distorted by the Magnetic Properties of Drilling Fluids.

SPE/IADC San Diego;

2012-03-06 - 2012-03-08.

Enfis, Majed; Ramadan, A; Saasen, Arild

(2012)

Hydraulic Effect of Tool Joints on Annular-Pressure Loss.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 64.

Hefte 2.

s.56-59.

Opseth, T. Landbø; Ribesen, B.T.; Syrstad, B.; Huse, A.; Bolstad, L.; Saasen, Arild

(2009)

Curing Shallow Water Flow in a North Sea Exploration Well Exposed to Shallow Gas (SPE ; 124607).

The 2009 SPE Offshore Europe Oil & Gas Conf. & Exhibit;

2009-09-08 - 2009-09-11.

Opseth, T. Landbø; Ribesen, B.T.; Tran, T.N.; Hinton, A.; Laget, Morten; Lende, G.; Saasen, Arild

(2009)

Curing Shallow Water Flow in North Sea Exploration Wells.

SPE/IADC Middle East Drilling Technology Conference & Exhibition;

2009-10-26 - 2009-10-28.

Nguyen, Tan; Miska, Stefan; Yu, Mengjiao; Takach, Nicholas; Ahmed, Ramadan; Saasen, Arild; Omland, Tor H.; Maxey, Jason

(2009)

COMBINED EFFECTS OF ECCENTRICITY AND PIPE ROTATION ON DYNAMIC BARITE SAG ¿ANALYSIS OF DIFFERENT IMPACTS OF PIPE ROTATION IN A FLOW LOOP & ROTATION IN A MODIFIED ROTATIONAL VISCOMETER ON BARITE SAG.

TECHNICAL CONFERENCE & EXHIBITION;

2009-03-31 - 2009-04-02.

Hodne, Helge; Saasen, Arild; Haugland, Jone

(2009)

Rheological Measurements of Cementitious Suspensions Using a Grooved Measuring Device.

18th Nordic Rheology Conference;

2009-08-17 - 2009-08-21.

Ding, Songxiong; Hafenbrädl, F.O. von; Saasen, Arild; Amundsen, Per Amund

(2008)

Preliminary Investigation into Magnetite Powder¿s Magnetic Shielding Effect on Drilling Fluid.

RELPOWFLO IV;

2008-06-10 - 2008-06-12.

Ratnayake, Chandana; Datta, Biplab K.; Amundsen, Per Amund; Saasen, Arild; Waag, Tor Inge

(2007)

Control and Prediction of Pipeline Erosion of Pneumatic Conveying Plants.

9th International Conference on Bulk Materials Storage, Handling and Transportation (ICBMH 2007),;

2007-11-09 - 2007-11-11.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2007)

Characteristic of velocity profiles over fixed dunes in pipe.

Annual Transactions of Nordic Rheology Society, Vol 15 (2007);

2007-06-13 - 2007-06-15.

Hodne, Helge; Falkeid, Vivian; Saasen, Arild

(2006)

The influence of entrapped air on rheological properties of cement suspensions in early state of hydration.

The Nordic Rheology Conference;

2006-06-12 - 2006-06-14.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2006)

Simultaneous use of PIV and UVP to measure velocity profiles and turbulence in jet flow.

Annual transactions of the nordic rheology society;

2006-06-12 - 2006-06-14.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2006)

Simultaneous UVP and PIV measurements related to bed dunes dynamics and turbulence structures in circular pipes.

ISUD5;

2006-09-12 - 2006-09-14.

Hodne, Helge; Saasen, Arild; Pita, Edin

(2005)

Rheology of cementitious suspensions containing weighting agents.

The Nordic Rheology Conference;

2005-06-01 - 2005-06-03.

Omland, Tor H.; Saasen, Arild; Svanes, Kåre; Amundsen, Per Amund

(2005)

The influence of particle type and size distribution on viscosity i a non-newtonian drilling fluid.

Annual meeting of the Nordic Rheology Society;

2005-06-01 - 2005-06-03.

Rabenjafimanantsoa, A. H.; Time, R. W.; Saasen, Arild

(2005)

Flow regimes over particle beds. Experimental studies of particle transport in horizontal pipes.

The Nordic Rheology Conference;

2005-06-01 - 2005-06-03.

Rabenjafimanantsoa, A. H.; Time, R. W.; hana, M; Saasen, Arild

(2005)

Dunes dynamics and turbulence structures over particle beds. Experimental studies and numerical simulations.

The Nordic Rheology Conference;

2005-06-01 - 2005-06-03.

Torkildsen, Torgeir; Edvardsen, Inge; Fjogstad, Arild; Saasen, Arild; Amundsen, Per Amund; Omland, Tor H.

(2004)

Drilling Fluid Affects MWD Magnetic Azimuth and Wellbore Position.

IADC/SPE Drilling Conference, Dallas, Texas 2004;

2004-03-02.

Hodne, Helge; Saasen, Arild

(2004)

Rheological Modelling of Cementitious Materials.

The Nordic Rheology Conference;

2004-08-06.

Omland, Tor H.; Øvsthus, Jorunn; Svanes, Kåre; Saasen, Arild; Jacob, Hans-Joachim; Sveen, Terje; Hodne, Helge; Amundsen, Per Amund

(2004)

Weighting Material Sag.

The Nordic Rheology Conference;

2004-08-06.

Hodne, Helge; Saasen, Arild

(2003)

Rheological Properties of the Silica phases in Clinker slurries.

The Nordic Rheology Conference;

2003-06-01 - 2003-06-03.

Hodne, Helge; Saasen, Arild; Håheim, Ståle; Ovesen, Eirik

(2002)

Rheological Properties of High Temperature Silica Oil Well Slurries.

The Nordic Rheology Conference;

2002-06-12 - 2002-06-14.

Hodne, Helge; Saasen, Arild; Strand, Skule

(2001)

Rheological Properties of High Temperature Oil Well Cement Slurries.

The Nordic Rheology Conference 2001;

2001-06-14 - 2001-06-16.

Eikaas, T.T.; Renningsen, H.P.; Grande, L.; Sanchez, J.; Strand, S.; Saasen, A.

(1999)

High Pressure Vane in Cup Rheometer.

The 4th Annual Meeting of the Nordic Rheology Society;

Hemmingsen, Tor; Hinnaland, Dag A.; Saasen, Arild

(1999)

The co-effect of asphaltenes on wax precipitation and crystallisation temperature.

9th International Oil Field Chemical Symposium (1998).;

Hodne, Helge; O`Hagan, Arthur B.; Saasen, Arild; Wick, Svein O.

(1998)

Effects of Shear History on the Viscosity and Gel Development of Oil Well Cement Slurries.

The Nordic Rheology Conference;

1998-06-12.

Saasen, Arild; Ehrhorn, C.

(1998)

Barite Sag in Drilling Fluids.

5 th Annual Conference of the NRS;

Enevoldsen, J.; Rasmussen, H.K.; Saasen, A.

(1998)

Pressure Drop Through Gravel Packs.

The 4th Annual Meeting of the Nordic Rheology Society;

Saasen, A.; Liu, D.; Marken, C.D.; Sterri, N.; Halsey, G.W.; Isambourg, P.

(1998)

Prediction of Barite Sag Potential of Drilling Fluids from Rheological Measurements.

IADC/SPE Drilling Conference;

Saasen, A.

(1998)

Surface Gravity Waves on Viscoelastic Liquids.

4th Annual Meeting of the Nordic Rheology Society;

Saasen, A.; Hvidt, S.; Hinnaland, D.; Renningsen, H.P.

(1998)

Rheology of Crude Oils Containing Asphaltenes and Wax.

4th Annual Meeting of the Nordic Rheology Society;

Saasen, A.; Salmelid, B.; Blomberg, N.; Hansen, K.; Young, S.P.; Jistnes, H.

(1998)

The Use of Blast Furnace Slag in North Sea Cementing Applications.

European Petroleum Conference;

Saasen, A.; Hvidt, S.; Hinnaland, D.; Rønningsen, H.P.

(1998)

Rheology of Crude Oils Containing Asphaltenes and Wax.

The 4th Annual Conference of the Nordic Rheology Soc.;

Saasen, A.

(1998)

Surface Gravity Waves on Viscoelastic Liquids.

The 4th Annual Conference of the Nordic Rheology Soc.;

Enevoldsen, J.; Rasmussen, H.K.; Saasen, A.

(1998)

Pressure Drops through Gravel Packs.

The 4th Annual Conference of the Nordic Rheology Soc.;

Ehrhorn, C.; Saasen, A.

(1998)

Barite Sag in Drilling Fluids.

The 5th Annual Conference of the Nordic Rheology Soc.;

Hodne, Helge; Wick, Svein O.; Jakobsen, Rolf A.; Saasen, Arild

(1997)

Comparative Study of Testing Methods for Cement pastes.

Nordic Rheology Conference;

1997-08-06 - 1997-08-09.