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Oliver C. Mullins
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Proceedings Papers

Forward Modeling the Formation of Viscous Oils and Tar Mats Over Geologic Time via History-Matching of Reservoir Charge

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Yucel Akkutlu, Oliver C. Mullins
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-221055-MS
https://doi.org/10.2118/221055-MS
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View Paper titled, Forward Modeling the Formation of Viscous Oils and Tar Mats Over Geologic Time via History-Matching of Reservoir Charge
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Proceedings Papers

Biogenic gas charge into oil at the oil-water contact, not vertical migration of oil into biogenic gas reservoir accounts for a Gulf of Mexico reservoir

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101594
https://doi.org/10.1190/image2024-4101594.1
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View Paper titled, Biogenic gas charge into oil at the oil-water contact, not vertical migration of oil into biogenic gas reservoir accounts for a Gulf of Mexico reservoir
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Proceedings Papers

Disparate Fluid Distributions of Stacked Gas-Washed Reservoirs Are Successfully History-Matched via Forward Modeling of Fluid Mixing Processes

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, I. Yucel Akkutlu, Oliver C. Mullins
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0036
https://doi.org/10.30632/SPWLA-2024-0036
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View Paper titled, Disparate Fluid Distributions of Stacked Gas-Washed Reservoirs Are Successfully History-Matched via Forward Modeling of Fluid Mixing Processes
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Proceedings Papers

Combination of Borehole Image Logs and Downhole Fluid Analysis Logs to Assess Reservoir Connectivity

Oliver C. Mullins, Bernd Ruehlicke, Zbynek Veselovsky, Carsten Vahle, Peter Schlicht, Robert J. Laronga, Soraya S. Betancourt, Brandon Thibodeaux, Bilal Hakim
Paper presented at the SPWLA 65th Annual Logging Symposium, May 18–22, 2024
Paper Number: SPWLA-2024-0038
https://doi.org/10.30632/SPWLA-2024-0038
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View Paper titled, Combination of Borehole Image Logs and Downhole Fluid Analysis Logs to Assess Reservoir Connectivity
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Proceedings Papers

Simulation of Reservoir Charge to Predict Fluid Compositional Distribution: A New Way to Test the Geologic Model

Tarek S. Mohamed, Morten Kristensen, Shu Pan, Kang Wang, Carlos Torres-Verdin, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23648-MS
https://doi.org/10.2523/IPTC-23648-MS
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View Paper titled, Simulation of Reservoir Charge to Predict Fluid Compositional Distribution: A New Way to Test the Geologic Model
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Proceedings Papers

Abnormal Viscosity and Other Implications of Reservoir Connectivity Inferred from Reservoir Fluid Geodynamics: A Case Study from Deepwater Gulf of Mexico

Tarek S. Mohamed, Carlos Torres-Verdin, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23723-MS
https://doi.org/10.2523/IPTC-23723-MS
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View Paper titled, Abnormal Viscosity and Other Implications of Reservoir Connectivity Inferred from Reservoir Fluid Geodynamics: A Case Study from Deepwater Gulf of Mexico
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Proceedings Papers

Forward Modeling Complex Diffusive Gradients and Matching Measured Diffusive and Quasi- Equilibrium Fluid Distributions in Connected Reservoirs

Tarek S. Mohamed*, Morten Kristensen, Hani Elshahawi, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the International Petroleum Technology Conference, February 12, 2024
Paper Number: IPTC-23427-MS
https://doi.org/10.2523/IPTC-23427-MS
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View Paper titled, Forward Modeling Complex Diffusive Gradients and Matching Measured Diffusive and Quasi- Equilibrium Fluid Distributions in Connected Reservoirs
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Proceedings Papers

In-Reservoir Mixing Dynamics Over Geologic Time of Separate Gas and Oil Charges in Well-Connected Reservoirs

Tarek S. Mohamed, Morten Kristensen, Shu Pan, Kang Wang, Soraya S. Betancourt, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-215051-MS
https://doi.org/10.2118/215051-MS
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View Paper titled, In-Reservoir Mixing Dynamics Over Geologic Time of Separate Gas and Oil Charges in Well-Connected Reservoirs
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Journal Articles

Enhanced Reservoir Description via Areal Data Integration and Reservoir Fluid Geodynamics: A Case Study From Deepwater Gulf of Mexico

Tarek S. Mohamed, Carlos Torres-Verdín, Oliver C. Mullins
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (05): 773–795.
Paper Number: SPWLA-2023-v64n5a10
https://doi.org/10.30632/PJV64N5-2023a10
Published: 02 October 2023
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View article titled, Enhanced Reservoir Description via Areal Data Integration and Reservoir Fluid Geodynamics: A Case Study From Deepwater Gulf of Mexico
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Proceedings Papers

Reservoir simulation of charge history over geologic time matches many measurements of connectivity in stacked turbidite reservoirs

Tarek S. Mohamed, Morten Kristensen, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3916451
https://doi.org/10.1190/image2023-3916451.1
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View Paper titled, Reservoir simulation of charge history over geologic time matches many measurements of connectivity in stacked turbidite reservoirs
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Proceedings Papers

A complex bimodal fluid gradient in a simple tilted sheet reservoir is explained and modeled by (biogenic) gas addition to an oil column

Morten Kristensen, Tarek S. Mohamed, Carlos Torres-Verdin, Oliver C. Mullins
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3910817
https://doi.org/10.1190/image2023-3910817.1
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View Paper titled, A complex bimodal fluid gradient in a simple tilted sheet reservoir is explained and modeled by (biogenic) gas addition to an oil column
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Proceedings Papers

Validation of Downhole Fluid Analysis and Machine Learning Compositional Determination

A. Ballard Andrews, Matthew Sullivan, Evgeniya Deger, Bilal Hakim, Tom Messonnier, Brandon Thibodeaux, Elham Mahmoodaghdam, Richard Jackson, Shawn David Taylor, Oliver C. Mullins
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0020
https://doi.org/10.30632/SPWLA-2023-0020
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View Paper titled, Validation of Downhole Fluid Analysis and Machine Learning Compositional Determination
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Journal Articles

Enigmatic Reservoir Properties Deciphered Using Petroleum System Modeling and Reservoir Fluid Geodynamics

Rob Pierpont, Kristoffer Birkeland, Alexandra Cely, Tao Yang, Li Chen, Vladislav Achourov, Soraya S. Betancourt, Jesus A. Canas, Julia C. Forsythe, Andrew E. Pomerantz, Jing Yang, Harish Datir, Oliver C. Mullins
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (01): 6–17.
Paper Number: SPWLA-2023-v64n1a1
https://doi.org/10.30632/PJV64N1-2023a1
Published: 01 February 2023
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View article titled, Enigmatic Reservoir Properties Deciphered Using Petroleum System Modeling and Reservoir Fluid Geodynamics
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Proceedings Papers

Cloud-Based Agile Reservoir Modelling Enriched with Machine Learning Improved the Opportunity Identification in a Mature Gas Condensate

Mohamed Hassan El Dabbour, Amr Labib, Ali Soliman, Ayman Fadel Said, Hany Shalaby, Khaled Mohamed Mansour, Mohamed Nagy Negm, Oliver C Mullins, Mohamed Ahmed Elfeel, Hassan Elsayed Diaa, Mahmoud Ali Shihab, Abdelrahman Agam, Farah Adel Seifeldin, Mohamed Hashem Mostafa
Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211632-MS
https://doi.org/10.2118/211632-MS
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View Paper titled, Cloud-Based Agile Reservoir Modelling Enriched with Machine Learning Improved the Opportunity Identification in a Mature Gas Condensate
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Proceedings Papers

Reservoir Fluid Geodynamics using Logging-While-Drilling Downhole Fluid Analysis: A North Sea Case Study

Soraya S. Betancourt, Rolando di Primio, Yon Blanco, Øyvind Stirø, Velerian S. Lopes, Jules El-Khoury, Thomas A. Dykes, Oliver C. Mullins
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210192-MS
https://doi.org/10.2118/210192-MS
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View Paper titled, Reservoir Fluid Geodynamics using Logging-While-Drilling Downhole Fluid Analysis: A North Sea Case Study
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Proceedings Papers

Heavy End Analysis by High Resolution Mass Spectrometry in Oils and Tar in Two Adjacent Reservoirs

Mareike Noah, Rolando Di Primio, Julia Forsythe, Sabine Mehay, Shawn David Taylor, Vladimir Achourov, Oliver C. Mullins, Brian Horsfield
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0029
https://doi.org/10.30632/SPWLA-2022-0029
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View Paper titled, Heavy End Analysis by High Resolution Mass Spectrometry in Oils and Tar in Two Adjacent Reservoirs
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Proceedings Papers

Connectivity Assessment of Heavily Compartmentalized Reservoirs: A New Workflow Introducing Areal Downhole Fluid Analysis and Data Integration

Tarek S. Mohamed, Carlos Torres-Verdín, Oliver C. Mullins
Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0042
https://doi.org/10.30632/SPWLA-2022-0042
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View Paper titled, Connectivity Assessment of Heavily Compartmentalized Reservoirs: A New Workflow Introducing Areal Downhole Fluid Analysis and Data Integration
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Proceedings Papers

New Innovative Methods to Predict N2 in Real Time: Expand New Wireline Formation Testing Platform Products to Fit Basins

Shusheng Guo, Shiyue Wang, Saifon Daungkaew, Bei Gao, Smail Chouya, Oliver C. Mullins, Jesus Canas, Soraya Betancourt, Adriaan Gisolf, Tanawut Khunaworawet, Dennis Ling
Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31487-MS
https://doi.org/10.4043/31487-MS
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View Paper titled, New Innovative Methods to Predict N2 in Real Time: Expand New Wireline Formation Testing Platform Products to Fit Basins
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Proceedings Papers

Modeling Viscous Oil and Tar Mat Formation from Nanoscale to Macroscale

Oliver C. Mullins, Shu Pan, Kang Wang, Soraya S. Betancourt, Jesus A. Cañas, Armin Kauerauf
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-22380-MS
https://doi.org/10.2523/IPTC-22380-MS
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View Paper titled, Modeling Viscous Oil and Tar Mat Formation from Nanoscale to Macroscale
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Proceedings Papers

A Novel Reservoir Forming Mechanism with Wax-Out Cryo Trapping

Yunyan Gan, Li Chen, Jinqing Zhang, Oliver C. Mullins, Zhenghe Yan, Ji Tian, Xiaofei Gao, Weihua Chen, Haizhang Yang, Jianrong Hao
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-21918-MS
https://doi.org/10.2523/IPTC-21918-MS
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View Paper titled, A Novel Reservoir Forming Mechanism with Wax-Out Cryo Trapping
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