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Journal Articles

Recognizing the Most Accurate Herschel-Bulkley Fluid Pressure Estimation Method for Annulus: An Update to API RP 13D, 7th Edition

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Rahman Ashena
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 29 (11): 6014–6033.
Paper Number: SPE-223089-PA
https://doi.org/10.2118/223089-PA
Published: 13 November 2024
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View articletitled, Recognizing the Most Accurate Herschel-Bulkley Fluid Pressure Estimation Method for Annulus: An Update to API RP 13D, 7th Edition
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Proceedings Papers

A Workflow for Circulation Rate Optimization to Exploit Enhanced Geothermal System Productivity

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Rahman Ashena, Ali Ghalambor, Mahmood Bataee, Vinesh Thiruvelcham
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 21–23, 2024
Paper Number: SPE-217923-MS
https://doi.org/10.2118/217923-MS
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View Paper titled, A Workflow for Circulation Rate Optimization to Exploit Enhanced Geothermal System Productivity
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Journal Articles

Integrated Workflow for Rock Compressibility Modeling and Analysis of Laboratory Core Data

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Peter Behrenbruch, Rahman Ashena
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 28 (03): 1149–1164.
Paper Number: SPE-212864-PA
https://doi.org/10.2118/212864-PA
Published: 14 June 2023
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View articletitled, Integrated Workflow for Rock Compressibility Modeling and Analysis of Laboratory Core Data
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Proceedings Papers

Investigating the Effect of Thermal Conductivity on Geothermal Energy Production at Different Circulation Rates in an EGS Abandoned Case Study

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Rahman Ashena, Mohammad Madani, Siva Kumar Sivanesan, Vinesh Thiruchelvam
Paper presented at the International Petroleum Technology Conference, March 1–3, 2023
Paper Number: IPTC-22762-EA
https://doi.org/10.2523/IPTC-22762-EA
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View Paper titled, Investigating the Effect of Thermal Conductivity on Geothermal Energy Production at Different Circulation Rates in an EGS Abandoned Case Study
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Proceedings Papers

An Overview of Retrofitting Abandoned Petroleum Wells for Geothermal Energy Production

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Rahman Ashena
Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-210861-MS
https://doi.org/10.2118/210861-MS
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View Paper titled, An Overview of Retrofitting Abandoned Petroleum Wells for Geothermal Energy Production
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Proceedings Papers

Wellbore Stability Analysis in an Offshore High-Pressure High-Temperature Gas Field Revealed Lost Times Due to Lack of Well Trajectory Optimization

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Rahman Ashena, Abbas Roohi, Ali Ghalambor
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 23–24, 2022
Paper Number: SPE-208864-MS
https://doi.org/10.2118/208864-MS
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View Paper titled, Wellbore Stability Analysis in an Offshore High-Pressure High-Temperature Gas Field Revealed Lost Times Due to Lack of Well Trajectory Optimization
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Proceedings Papers

Investigation of Parameters Controlling Equivalent Circulating Density ECD in Managed Pressure Drilling MPD

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Rahman Ashena, Hossein Bahreini, Ali Ghalambor, Eghbal Sahraei, Majid Ahmad Loi Darab
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 23–24, 2022
Paper Number: SPE-208869-MS
https://doi.org/10.2118/208869-MS
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View Paper titled, Investigation of Parameters Controlling Equivalent Circulating Density ECD in Managed Pressure Drilling MPD
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Proceedings Papers

The Root Cause Analysis and Successful Control of an Oilwell Blowout in the Middle East

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Rahman Ashena, Farzad Ghorbani, Muhammad Mubashir, Mahdi Nazari Sarem, Amin Iravani
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207834-MS
https://doi.org/10.2118/207834-MS
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View Paper titled, The Root Cause Analysis and Successful Control of an Oilwell Blowout in the Middle East
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Proceedings Papers

Optimization of Drilling Parameters using an Innovative GA-PS Artificial Intelligence Model

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Rahman Ashena, Minou Rabiei, Vamegh Rasouli, Amir H. Mohammadi
Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202325-MS
https://doi.org/10.2118/202325-MS
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View Paper titled, Optimization of Drilling Parameters using an Innovative GA-PS Artificial Intelligence Model
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Proceedings Papers

Development of Rock Compressibility Relationships for Middle Eastern Carbonate and Sandstone Reservoirs

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Rahman Ashena, Peter Behrenbruch
Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202400-MS
https://doi.org/10.2118/202400-MS
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View Paper titled, Development of Rock Compressibility Relationships for Middle Eastern Carbonate and Sandstone Reservoirs
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Proceedings Papers

Curing Lost Circulation in Fractured Reservoirs Using a Level-Off Cement Plugging Method- Case Studies in Drilling and Workover Applications

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Rahman Ashena, Ali Ghalambor, Abdol-Azim Hekmatinia
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199277-MS
https://doi.org/10.2118/199277-MS
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View Paper titled, Curing Lost Circulation in Fractured Reservoirs Using a Level-Off Cement Plugging Method- Case Studies in Drilling and Workover Applications
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Proceedings Papers

Well Productivity Improvement Using Radial Jet Drilling

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Rahman Ashena, Reza Mehrara, Ali Ghalambor
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199270-MS
https://doi.org/10.2118/199270-MS
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View Paper titled, Well Productivity Improvement Using Radial Jet Drilling
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Proceedings Papers

Prevention of Core Jamming and Damage During Coring Operations by Optimization of Drilling Parameters – Analysis of Case Studies

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Rahman Ashena, Mosayeb Lotfi, Andreas Nascimento, Ali Ghalambor
Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199257-MS
https://doi.org/10.2118/199257-MS
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View Paper titled, Prevention of Core Jamming and Damage During Coring Operations by Optimization of Drilling Parameters – Analysis of Case Studies
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Journal Articles

Determination of Maximum Allowable Safe-Core-Retrieval Rates

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Rahman Ashena, Gerhard Thonhauser, Ali Ghalambor, Vamegh Rasouli, Roman Manasipov
Journal: SPE Reservoir Evaluation & Engineering
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 22 (02): 548–564.
Paper Number: SPE-189480-PA
https://doi.org/10.2118/189480-PA
Published: 09 January 2019
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Proceedings Papers

Innovative Concepts in Wireline Continuous Coring

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Rahman Ashena, Walter Vortisch, Michael Prohaska, Gerhard Thonhauser
Paper presented at the SPE Bergen One Day Seminar, April 20, 2016
Paper Number: SPE-180017-MS
https://doi.org/10.2118/180017-MS
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View Paper titled, Innovative Concepts in Wireline Continuous Coring
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Proceedings Papers

Management of the Disastrous Underground Blowout in South of Iran

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Rahman AShena, M. Amani, B. Taei, M. Kamyab
Paper presented at the SPE Middle East Oil and Gas Show and Conference, September 25–28, 2011
Paper Number: SPE-140781-MS
https://doi.org/10.2118/140781-MS
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View Paper titled, Management of the Disastrous Underground Blowout in South of Iran
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Proceedings Papers

Complete Loss, Blowout and Explosion of Shallow Gas, Infelicitous Horoscope in Middle East

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Mohammad Nabaei, Alireza Moazzeni, Rahman Ashena, Abbas Roohi
Paper presented at the SPE European Health, Safety and Environmental Conference in Oil and Gas Exploration and Production, February 22–24, 2011
Paper Number: SPE-139948-MS
https://doi.org/10.2118/139948-MS
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View Paper titled, Complete Loss, Blowout and Explosion of Shallow Gas, Infelicitous Horoscope in Middle East
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Proceedings Papers

Drilling of Middle-Eastern Reservoir Carbonate Rocks by High Power ND: YAG Laser

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M.R. Erfan, M. Ahmadi, Rahman Ashena, Rahim Ashena, M. Nazari, A. Roohi, A. Moazeni, Mehrdad Moradkhani
Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 1–3, 2010
Paper Number: SPE-134217-MS
https://doi.org/10.2118/134217-MS
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View Paper titled, Drilling of Middle-Eastern Reservoir Carbonate Rocks by High Power ND: YAG Laser
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Proceedings Papers

Experimental Investigation Of Specific Energy Of Rocks By Low Power Laser Drilling

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Rahman Ashena, Rahim Ashena, M. Nabaei, B. Habibnia, B. Taee
Paper presented at the Nigeria Annual International Conference and Exhibition, July 31–August 7, 2010
Paper Number: SPE-136986-MS
https://doi.org/10.2118/136986-MS
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View Paper titled, Experimental Investigation Of Specific Energy Of Rocks By Low Power Laser Drilling
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Proceedings Papers

Permeability Prediction of Un-Cored Intervals Using New IMLR Method and Artificial Neural Networks: A Case Study of Bangestan Field, Iran

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Mohammad Nazari Naeeni, Hadi Zargari, Rahim Ashena, Rahman Ashena, Riyaz Kharrat
Paper presented at the Nigeria Annual International Conference and Exhibition, July 31–August 7, 2010
Paper Number: SPE-140682-MS
https://doi.org/10.2118/140682-MS
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View Paper titled, Permeability Prediction of Un-Cored Intervals Using New IMLR Method and Artificial Neural Networks: A Case Study of Bangestan Field, Iran
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