Mahmoud Khalifeh

Professor i bore- og brønnteknologi

Mahmoud Khalifeh

Kontakt

Telefon: 51832130

E-post: mahmoud.khalifeh@uis.no

Rom: KE E-328

Organisasjonsenhet

Det teknisk-naturvitenskapelige fakultet

Institutt for energi- og petroleumsteknologi

Publikasjoner

Vitenskapelige publikasjoner

Hajiabadi, Seyed Hasan; Khalifeh, Mahmoud; Van Noort, Reinier

(2024)

Stability analysis of a granite-based geopolymer sealant for CO<inf>2</inf> geosequestration: In-situ permeability and mechanical behavior while exposed to brine.

Cement & Concrete Composites.

ISSN 0958-9465.

Volum 149.

DOI: 10.1016/j.cemconcomp.2024.105511

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

(2024)

Water-Extended Low-Density Granite-Based Geopolymer for Low-Temperature Well Cementing Applications: The Impact of Precursor Selection and Particle-Size Distribution.

SPE Journal.

ISSN 1086-055X.

Volum 29.

Hefte 7.

s.3553-3566.

DOI: 10.2118/219760-PA

Agista, Madhan Nur; Khalifeh, Mahmoud; Braga, Renata Martin; Freitas, Júlio Cézar De

(2024)

Low-density granite-based geopolymer for well cementing: The role of burnt lime in enhancing early strength.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 242.

DOI: 10.1016/j.geoen.2024.213249

Gomado, Foster Dodzi; Khalifeh, Mahmoud; Rafique, Maryam

(2024)

Harnessing waste glass as an expansive agent controller for enhanced Geopolymer performance in oil and gas wells.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 243.

DOI: 10.1016/j.geoen.2024.213299

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

Gupta, Mayank; Qiu, Xiujiao; Omran, Mohamed ; Chen, Yun; Khalifeh, Mahmoud; Ye, Guang

(2024)

Reaction and microstructure development of one-part geopolymer for wellbore applications – An experimental and numerical study.

Cement and Concrete Research.

ISSN 0008-8846.

Volum 188.

DOI: 10.1016/j.cemconres.2024.107738

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

(2024)

Expansion and Strength Evolution Mechanism of Granite-Based Geopolymer Based on the Reactivity of Calcium Expansive Agents.

ASME Open Journal of Engineering (AOJE).

ISSN 2770-3495.

DOI: 10.1115/1.4066794

Khalili, Pouya; Khalifeh, Mahmoud; Saasen, Arild; Djuve, Jostein; Delabroy, Laurent

(2024)

Spacer Fluids for Use With Rock-Based Geopolymer.

ASME Open Journal of Engineering (AOJE).

ISSN 2770-3495.

Volum 3.

DOI: 10.1115/1.4065737

Yousuf, Hazzaz Bin; Hajiabadi, Seyed Hasan; Khalili, Pouya; Khalifeh, Mahmoud

(2024)

Hydrophobic Modification of Bentonite : Unravelling the Impacts of Aluminium Cation on Silica-Water Interface.

Annual Transactions - The Nordic Rheology Society.

ISSN 1601-4057.

Volum 32.

DOI: 10.31265/atnrs.774

Hettiarachchi, Dileepa Chathuranga; Samarakoon, Samarakoon Mudiyansele Samindi; Fosså, Kjell Tore; Gebremariam, Kidane Fanta; Khalifeh, Mahmoud

(2024)

Silicon Manganese Slag as Supplementary Cementitious Material in Low Carbon Composite Mortar.

Proceedings of the fib Symposium.

ISSN 2617-4820.

DOI: fib-international.org/publications/fib-proceedings/15th-phd-symposium-in-budapest-hungary-2024-proceedings-em-pdf-em-detail.html

Hajiabadi, Seyed Hasan; Li, Kai; Pluymakers, Anne Marie Henriette; Van Noort, Reinier; Khalifeh, Mahmoud

(2024)

Exploring the Durability of a Granite-Based Geopolymer Sealant for Carbon Capture and Storage: Evaluating Sealing Performance Under Thermal Shocks in Brine Environments.

Social Science Research Network (SSRN).

ISSN 1556-5068.

Van Noort, Reinier; Gupta, Mayank; Hajiabadi, Seyed Hasan; Khalifeh, Mahmoud; Kvassnes, Astri; Li, Kai; Pluymakers, Anne; Starrs, Gerry; Suryanto, Benny; Svenningsen, Gaute; Ye, Guang

(2024)

Development and Testing of Novel Cement Designs For Enhanced CCS Well Integrity.

Social Science Research Network (SSRN).

ISSN 1556-5068.

Omran, Mohamed ; Hjelm, Sondre; Khalifeh, Mahmoud; Salehi, Saeed

(2023)

Synthesis of sustainable one-part geopolymers for well cementing applications.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 227.

DOI: 10.1016/j.geoen.2023.211822

Hoayek, Anis; Khalifeh, Mahmoud; Hamie, Hassan; El-Ghoul, Bassam; Zogheib, Rania

(2023)

Prediction of geopolymer pumpability and setting time for well zonal isolation - Using machine learning and statistical based models.

Heliyon.

ISSN 2405-8440.

Volum 9.

Hefte 7.

DOI: 10.1016/j.heliyon.2023.e17925

Hajiabadi, Seyed Hasan; Khalifeh, Mahmoud; Van Noort, Reinier; Silva Santos Moreira, Paulo Henrique

(2023)

Review on Geopolymers as Wellbore Sealants: State of the Art Optimization for CO<inf>2</inf> Exposure and Perspectives.

ACS Omega.

ISSN 2470-1343.

Volum 8.

Hefte 26.

s.23320-23345.

DOI: 10.1021/acsomega.3c01777

Renteria, Alondra; Khalili, Pouya; Frigaard, Ian; Khalifeh, Mahmoud

(2023)

A case study for tailored formulation of geopolymers aided by annular displacement simulations.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 229.

DOI: 10.1016/j.geoen.2023.212110

Ogienagbon, Adijat Ayobami; Khalifeh, Mahmoud

(2023)

Investigation of the hydraulic integrity of cement plug: Oilwell cementitious materials.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 231.

DOI: 10.1016/j.geoen.2023.212261

Chamssine, Fawzi; Agista, Madhan Nur; Khalifeh, Mahmoud

(2023)

Temperature-Dependent Classification of Geopolymers Derived from Granite Designed for Well Cementing Applications.

ASME Open Journal of Engineering (AOJE).

ISSN 2770-3495.

Volum 2.

DOI: 10.1115/1.4063027

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

Omran, Mohamed ; Pavia, Maria; Khalifeh, Mahmoud

(2023)

Design and Early Age Performance of Sustainable One-Part Geopolymers for Well Cementing.

SPE Journal.

ISSN 1086-055X.

Volum 28.

Hefte 5.

s.2675-2692.

DOI: 10.2118/215825-PA

Omran, Mohamed ; Khalifeh, Mahmoud

(2023)

Development of One-Part Rock-Based Geopolymers for Downhole Cementing Applications.

Journal of energy resources technology.

ISSN 0195-0738.

DOI: 10.1115/1.4062250

Hajiabadi, Seyed Hasan; Khalifeh, Mahmoud; Van Noort, Reinier

(2023)

Multiscale insights into mechanical performance of a granite-based geopolymer: Unveiling the micro to macro behavior.

Geoenergy Science and Engineering.

ISSN 2949-8929.

Volum 231.

DOI: 10.1016/j.geoen.2023.212375

Kamali, Mohammadreza; Khalifeh, Mahmoud; Samarakoon, Mudiyansele Samindi Manjula K; Salehi, Saeed; Wu, Yuxing

(2023)

Effect of Organic Retarders on Fluid-State and Strength Development of Rock-Based Geopolymer. I: International RILEM Conference on Synergising Expertise towards Sustainability and Robustness of Cement-based Materials and Concrete Structures.

Springer.

ISBN 978-3-031-33186-2.

Ogienagbon, Adijat Ayobami; Korsnes, Reidar Inge; Khalifeh, Mahmoud; Wu, Yuxing; Salehi, Saeed

(2023)

Performance of Geopolymers in Geothermal Wells. I: 57th U.S. Rock Mechanics/Geomechanics Symposium.

American Rock Mechanics Association (ARMA).

ISBN 978-0-9794975-8-2.

DOI: 10.56952/ARMA-2023-0701

Wu, Yuxing; Salehi, Saeed; Kamali, Mohammadreza; Khalifeh, Mahmoud; Samarakoon, Mudiyansele Samindi Manjula K

(2023)

Experimental and numerical evaluation of the integrity of cement and geopolymer under low and elevated temperature well conditions. I: 57th U.S. Rock Mechanics/Geomechanics Symposium.

American Rock Mechanics Association (ARMA).

ISBN 978-0-9794975-8-2.

DOI: 10.56952/ARMA-2023-0240

Omran, Mohamed ; Khalifeh, Mahmoud; Paiva, Maria

(2023)

Aging and Temperature Effects on the Performance of Sustainable One-Part Geopolymers Developed for Well-Cementing Applications.

SPE Journal.

ISSN 1086-055X.

Volum 29.

Hefte 2.

s.843-859.

DOI: 10.2118/217993-PA

Kamali, Mohammadreza; Khalifeh, Mahmoud; Kverneland, J.; Benmesbah, M.; Delabroy, L.; Middleton, R.

(2023)

One Step Closer to Replacing Portland Cement with Geopolymers for Oil Well Applications. I: Abu Dhabi International Petroleum Exhibition & Conference 2023 .

Society of Petroleum Engineers.

ISBN 978-1-959025-07-8.

DOI: 10.2118/216645-MS

Ribeiro da Silva, R.; de Oliveira Freitas, J.C.; Peralta Muniz Moreira, R.; Martins Braga, R.; Khalifeh, Mahmoud

(2023)

Development of a Rock-Based Geopolymer for Well Abandonment Applications - Utilizing Brazilian Rock Precursors. I: Offshore Technology Conference Brasil.

ISBN 978-1-959025-02-3.

DOI: 10.4043/32919-MS

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

Silva Santos Moreira, Paulo Henrique; Khalifeh, Mahmoud; Govil, Amit

(2023)

Sealing Ability of Barrier Materials for P&A Application: Investigation of Casing-Barrier Interface. I: SPE/IADC Drilling Conference and Exhibition March 7-9, 2023.

Society of Petroleum Engineers.

ISBN 978-1-61399-875-5.

Gomado, Foster Dodzi; Khalifeh, Mahmoud; Aasen, Jan Aage

(2023)

Expandable Geopolymers for Improved Zonal Isolation and Plugging. I: SPE/IADC Drilling Conference and Exhibition March 7-9, 2023.

Society of Petroleum Engineers.

ISBN 978-1-61399-875-5.

DOI: 10.2118/212493-MS

Wu, Yuxing; Salehi, Saeed; Khalifeh, Mahmoud

(2022)

Characterization of the mud displacement in an enlarged wellbore: An integrated rock-fluid model.

Journal of Natural Gas Science and Engineering.

ISSN 1875-5100.

Volum 100.

DOI: 10.1016/j.jngse.2022.104471

Hamie, Hassan; Hoayek, Anis; El-Ghoul, Bassam; Khalifeh, Mahmoud

(2022)

Application of non-parametric statistical methods to predict pumpability of geopolymers for well cementing.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 212.

DOI: 10.1016/j.petrol.2022.110333

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

Omran, Mohamed ; Khalifeh, Mahmoud; Hjelm, Sondre

(2022)

Role of Zeta Potential on Rheology of One-part Geopolymer Slurries-Influence of Superplasticizers. I: Annual Transactions the Nordic Rheology Society.

ISBN 978-82-692721-2-3.

s.15-22.

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

Ogienagbon, Adijat Ayobami; Khalifeh, Mahmoud

(2022)

Experimental Evaluation of the Effect of Temperature on the Mechanical Properties of Setting Materials for Well Integrity.

SPE Journal.

ISSN 1086-055X.

Volum 27.

Hefte 5.

s.2577-2589.

DOI: 10.2118/209794-PA

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

Khalifeh, Mahmoud; Muri Bø, Eskild; Shahmoradi, Mohammadali

(2022)

Utilization of Settled Barite as Permanent Well Barrier Element - Feasibility Study . I: SPE Norway Subsurface Conference 2022.

Society of Petroleum Engineers.

ISBN 978-1-61399-857-1.

DOI: 10.2118/209536-MS

Yousefi Oderji, Sajjad; Khalifeh, Mahmoud; Silva Santos Moreira, Paulo Henrique

(2022)

Rock-based Geopolymer Produced from Mining Waste to Replace Portland Cement.

Proceedings of the fib Symposium.

ISSN 2617-4820.

s.503-513.

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.

Chamssine, Fawzi; Gasparotto, Luiz H.S. ; De Souza, Miguel Angelo Fonsecade; Khalifeh, Mahmoud; Freitas, Julio Cezar de Oliveira

(2022)

Retarding mechanism of Zn<sup>2+</sup> species in geopolymer material using Raman spectroscopy and DFT calculations.

Scientific Reports.

ISSN 2045-2322.

Volum 12.

Hefte 1.

DOI: 10.1038/s41598-022-25552-0

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

Ogienagbon, Adijat Ayobami; Khalifeh, Mahmoud; Wu, Yuxing; Salehi, Saeed

(2022)

Experimental and Numerical Evaluation of the Integrity of Cement and Geopolymer Under Low and Elevated Temperature Well Conditions. I: 56th U.S. Rock Mechanics/Geomechanics Symposium.

American Rock Mechanics Association (ARMA).

ISBN 978-0-9794975-7-5.

DOI: 10.56952/ARMA-2022-0233

Wu, Yuxing; Salehi, Saeed; Khalifeh, Mahmoud

(2022)

Numerical Investigation of Geopolymer Displacement in an Enlarged Wellbore: Implications for Wellbore Integrity. I: 56th U.S. Rock Mechanics/Geomechanics Symposium.

American Rock Mechanics Association (ARMA).

ISBN 978-0-9794975-7-5.

DOI: 10.56952/ARMA-2022-0169

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

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

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

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.

Kimanzi, Raymos; Wu, Yuxing; Salehi, Saeed; Mokhtari, Mehdi; Khalifeh, Mahmoud

(2020)

Experimental Evaluation of Geopolymer, Nano-Modified, and Neat Class H Cement by Using Diametrically Compressive Tests.

Journal of energy resources technology.

ISSN 0195-0738.

Volum 142.

Hefte 9.

DOI: 10.1115/1.4046702

Alvi, Muhammad Awais Ashfaq; Khalifeh, Mahmoud; Agonafir, Mesfin Belayneh

(2020)

Effect of nanoparticles on properties of geopolymers designed for well cementing applications.

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 191.

DOI: 10.1016/j.petrol.2020.107128

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

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

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

Wiktorski, Ekaterina; Cobbah, Catherine; Sui, Dan; Khalifeh, Mahmoud

(2019)

Experimental study of temperature effects on wellbore material properties to enhance temperature profile modeling for production wells .

Journal of Petroleum Science and Engineering.

ISSN 0920-4105.

Volum 176.

s.689-701.

DOI: 10.1016/j.petrol.2019.01.102

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

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.

Wiktorski, Ekaterina; Sui, Dan; Khalifeh, Mahmoud; Khatibi, Milad

(2019)

Investigation of the Combined Effects of Temperature and Large-Scale Tortuosity on Friction-Factor Profile in Straight Inclined Sections.

SPE Journal.

ISSN 1086-055X.

DOI: 10.2118/198897-PA

Wilson, Adam; Khalifeh, Mahmoud; Gardner, Dave; Haddad, Muhammad Yasser

(2018)

Technology Trends in Cement Job Evaluation Using Logging Tools.

Journal of Petroleum Technology.

ISSN 0149-2136.

Volum 70.

Hefte 05.

s.74-77.

DOI: 10.2118/0518-0074-JPT

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

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

Jafariesfad, Narjes; Khalifeh, Mahmoud; Skalle, Pål; Geiker, Mette Rica

(2017)

Nanorubber-modified cement system for oil and gas well cementing application.

Journal of Natural Gas Science and Engineering.

ISSN 1875-5100.

Volum 47.

s.91-100.

DOI: 10.1016/j.jngse.2017.10.002

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

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

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

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

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

Khalifeh, Mahmoud

(2013)

The Estimation of Fault Displacement by Analyzing Static Reservoir Pressure Data.

Petroleum science and technology.

ISSN 1091-6466.

DOI: 10.1080/10916466.2011.572101

Bøker og kapitler

Rabiei, Alireza

(2024)

Understanding fluid migration from offshore well sites.

Agista, Madhan Nur

(2024)

Material for Zonal Isolation of Shallow Formation: State-of-the-art and Development of Alternative Material.

ISBN 978-82-8439-298-1.

Hefte ..

Khalifeh, Mahmoud; Saasen, Arild

(2020)

Introduction to permanent plug and abandonment of wells.

Springer Nature.

ISBN 9783030399696.

Volum 12.

Hefte ..

Khalifeh, Mahmoud

(2016)

Materials for Optimized P&A Performance; Potential Utilization of Geopolymers.

ISBN 978-82-7644-647-0.

Hefte 292.

Formidling

Skorpa, Ragnhild; Opedal, Nils van der Tuuk; Khalifeh, Mahmoud; Moreira, Paulo Henrique Silva Santos

(2024)

Raising the Bar: Why an Industrial Standard for Testing Hydraulic Sealability of Well Abandonment Materials in Laboratory is Essential for Well Integrity.

SPE IADC International Drilling Conference and Exhibition;

2024-03-04 - 2024-03-07.

Hajiabadi, Seyed Hasan; Khalifeh, Mahmoud; Noort, Michiel Jan van; Silva Santos Moreira, Paulo Henrique

(2023)

ON THE EFFECTS OF BRINE EXPOSURE ON MECHANICAL STRENGTH OF A GEOPOLYMER SEALANT FOR CO2-GEOSEQUESTRATION.

The 12th Trondheim Conference on Carbon Capture, Transport and Storage;

2023-06-19 - 2023-06-21.

Skorpa, Ragnhild; Khalifeh, Mahmoud

(2022)

Settled Barite as Annular Barrier –Characterization and refinement.

Plug and Abandonment Seminar 2022;

2022-10-20.

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.

Yousefi Oderji, Sajjad; Khalifeh, Mahmoud; Silva Santos Moreira, Paulo Henrique

(2022)

Rock-based Geopolymer Produced from Mining Waste to Replace Portland Cement.

fib International Congress 2022 Oslo;

2022-06-12 - 2022-06-16.

Omran, Mohamed ; Khalifeh, Mahmoud

(2022)

Development of low carbon dioxide intensive rock-based geopolymers for well cementing applications – one-part geopolymer.

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

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

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.

Ogienagbon, Adijat Ayobami; Khalifeh, Mahmoud; Wu, Yuxing; Salehi, Saeed

(2022)

Experimental and Numerical Evaluation of the Integrity of Cement and Geopolymer Under Low and Elevated Temperature Well Conditions.

56th U.S. Rock Mechanics/Geomechanics Symposium;

2022-06-26 - 2022-06-29.

Wu, Yuxing; Salehi, Saeed; Khalifeh, Mahmoud

(2022)

Numerical Investigation of Geopolymer Displacement in an Enlarged Wellbore: Implications for Wellbore Integrity.

56th U.S. Rock Mechanics/Geomechanics Symposium;

2022-06-26 - 2022-06-29.

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.

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.

Ogienagbon, Adijat Ayobami; Khalifeh, Mahmoud; Yang, Xinxiang; Kuru, Ergun

(2021)

Characterization of Microannuli at the Cement-Casing Interface: Development of Methodology.

Abu Dhabi International Petroleum Exhibition & Conference;

2021-11-15 - 2021-11-18.

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.

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.

Dommersnes, Espen; Khalifeh, Mahmoud; Larsen, Helge Bøvik

(2020)

Potential Utilization of Neutron Logging Technology for Casing Cement Evaluation - Feasibility Study.

Abu Dhabi International Petroleum Exhibition & Conference;

2020-11-09 - 2020-11-12.

Khalifeh, Mahmoud

(2019)

Geopolymers an Alternative Barrier Material for Zonal Isolation and P&A .

SPE P&A Forum;

2019-03-18 - 2019-03-22.

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.

Khalifeh, Mahmoud; Salehi, Saeed; Jamrozik, Aleksandra; Kimanzi, Raymos; Abdollahpour, Saeid

(2019)

NANO-MODIFIED ROCK-BASED GEOPOLYMERS AS SUPPLEMENT TO PORTLAND CEMENT FOR OIL WELL CEMENTING.

OMAE2019;

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

Kimanzi, Raymos; Patel, Harshkumar; Khalifeh, Mahmoud; Salehi, Saeed; Teodoriu, Catalin

(2019)

POTENTIALS OF NANO-DESIGNED PLUGS: IMPLICATIONS FOR SHORT AND LONG TERM WELL INTEGRITY.

OMAE2019;

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

Khalifeh, Mahmoud; Akbari, Babak; Khan, Ahsan; Braga, Daniel C.

(2019)

A CRITICAL REVIEW OF RULES AND REGULATIONS FOR PERMANENTLY PLUGGED AND ABANDONED WELLS.

OMAE2019;

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

McCulley, Russell; Khalifeh, Mahmoud

(2018)

Building blocks for better cement.

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.

Khalifeh, Mahmoud

(2018)

SafeRock as an alternative to cement for zonal isolation and P&A – Opportunities and barriers.

DrillWell Seminar;

2018-09-25 - 2018-09-26.

Khalifeh, Mahmoud

(2017)

Synthesized Rock As an Alternative to Portland Cement for Geothermal (High Temperature) Wells.

GeoEnergi2017;

2017-05-22 - 2017-05-23.

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.

Khalifeh, Mahmoud

(2017)

Sementerstatning for plugging av oljebrønner.

Khalifeh, Mahmoud; Gardner, Dave; Haddad, Muhammad Yasser

(2017)

Technology Trends in Cement Job Evaluation Using Logging Tools.

SPE Abu Dhabi International Petroleum Exhibition & Conference (ADIPEC);

2017-11-13 - 2017-11-16.

Khalifeh, Mahmoud

(2016)

Potential Utilization of Geopolymers for Oil Well Cementing Operations.

Geopolymer camp 2016;

2016-07-04 - 2016-07-06.

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.

Khalifeh, Mahmoud

(2015)

Cap rock restoration in plug and abandonment operations.

DrillWell Seminar;

2015-09-23 - 2015-09-24.

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.

Khalifeh, Mahmoud

(2013)

An Experimental and Simulation Study of Asphaltene-Induced Permeability Impairment under Natural Depletion Condition.

SPE European Formation Damage Conference & Exhibition, 5-7 June, Noordwijk, The Netherlands;

2013-06-05 - 2013-06-07.

Khalifeh, Mahmoud

(2013)

Investigation of Effective Mechanisms in Permeability Reduction Due to Asphaltene Deposition through Porous Media.

SPE European Formation Damage Conference & Exhibition, 5-7 June, Noordwijk, The Netherlands;

2013-06-05 - 2013-06-07.