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Christine Ehlig-Economides
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Proceedings Papers

Fast Evaluation of Reservoir Connectivity via a New Deep Learning Approach: Attention-Based Graph Neural Network for Fusion Model

Tariq Saihood, Ahmed Saihood, Mohamed Adel Al-Shaher, Christine Ehlig-Economides, Zeinab Zargar
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-221029-MS
https://doi.org/10.2118/221029-MS
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View Paper titled, Fast Evaluation of Reservoir Connectivity via a New Deep Learning Approach: Attention-Based Graph Neural Network for Fusion Model
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Journal Articles

Extended Aquifer System Pressure Behavior under Carbon Storage

Muhammad Haseeb Mukhtar, Dimitrios Georgios Hatzignatiou, Christine Ehlig-Economides
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 29 (09): 5101–5119.
Paper Number: SPE-214868-PA
https://doi.org/10.2118/214868-PA
Published: 11 September 2024
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View article titled, Extended Aquifer System Pressure Behavior under Carbon Storage
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Includes: Supplementary Content
Proceedings Papers

Evaluation of Future CO 2 Injection in Denver City Field for Enhanced Oil Recovery and CO 2 Storage

Muhammad Haseeb Mukhtar, Christine Ehlig-Economides, Ed Behm, Zeinab Zargar, Jacob Lawson, Tariq Saihood, Shengyu Yao
Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218206-MS
https://doi.org/10.2118/218206-MS
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View Paper titled, Evaluation of Future CO 2 Injection in Denver City Field for Enhanced Oil Recovery and CO 2 Storage
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Proceedings Papers

Carbon Dioxide Storage in a Natural Gas Reservoir under Strong Bottom Water Drive

Zhiyuan Li, Dimitrios Georgios Hatzignatiou, Christine Ehlig-Economides
Paper presented at the SPE/AAPG/SEG Carbon, Capture, Utilization, and Storage Conference and Exhibition, March 11–13, 2024
Paper Number: SPE-CCUS-2024-4012897
https://doi.org/10.15530/ccus-2024-4012897
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View Paper titled, Carbon Dioxide Storage in a Natural Gas Reservoir under Strong Bottom Water Drive
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Journal Articles

Effect of Predisolved Natural Gas on CO 2 Solubility in Water With Various Salinities at Reservoir Conditions

Jie Wang, Christine Ehlig-Economides
Journal: Petrophysics - The SPWLA Journal of Formation Evaluation and Reservoir Description
Publisher: Society of Petrophysicists and Well-Log Analysts
Petrophysics 64 (06): 970–977.
Paper Number: SPWLA-2023-v64n6a11
https://doi.org/10.30632/PJV64N6-2023a11
Published: 08 December 2023
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View article titled, Effect of Predisolved Natural Gas on CO 2 Solubility in Water With Various Salinities at Reservoir Conditions
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Proceedings Papers

Extended Aquifer System Pressure Behavior Under Carbon Storage

Muhammad Haseeb Mukhtar, Dimitrios Georgios Hatzignatiou, Christine Ehlig-Economides
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214868-MS
https://doi.org/10.2118/214868-MS
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View Paper titled, Extended Aquifer System Pressure Behavior Under Carbon Storage
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Proceedings Papers

Salinity Effect on CO 2 Solubility in Live Formation Water Under Reservoir Conditions

Jie Wang, Christine Ehlig-Economides
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0010
https://doi.org/10.30632/SPWLA-2023-0010
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View Paper titled, Salinity Effect on CO 2 Solubility in Live Formation Water Under Reservoir Conditions
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Proceedings Papers

Coupled Enhanced Natural Gas Recovery and Blue Hydrogen (EGRBH) Generation

Dimitrios Georgios Hatzignatiou, Christine Ehlig-Economides
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210356-MS
https://doi.org/10.2118/210356-MS
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View Paper titled, Coupled Enhanced Natural Gas Recovery and Blue Hydrogen (EGRBH) Generation
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Proceedings Papers

Methodology to Estimate Low Grade Enhanced Geothermal System (EGS) Reserves Using Heat Extracted from Depleted Wells in High Temperature Shale Gas Formations

Christine Ehlig-Economides, Michael Nikolaou, Murtaza Ahmed Khan
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210119-MS
https://doi.org/10.2118/210119-MS
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View Paper titled, Methodology to Estimate Low Grade Enhanced Geothermal System (EGS) Reserves Using Heat Extracted from Depleted Wells in High Temperature Shale Gas Formations
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Proceedings Papers

Comprehensive Model for the DFIT-Flowback Test Pumping, Shut-In, Choked Flowback, and Rebound Behavior

Guoqing Liu, Christine Ehlig-Economides
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3723813-MS
https://doi.org/10.15530/urtec-2022-3723813
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View Paper titled, Comprehensive Model for the DFIT-Flowback Test Pumping, Shut-In, Choked Flowback, and Rebound Behavior
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Proceedings Papers

Characterizing Hydraulic Fractures Using the Transient Pressure Surge Effect

Yuesu Jin, Yingcai Zheng, Lianjie Huang, Christine Ehlig-Economides
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3718981-MS
https://doi.org/10.15530/urtec-2022-3718981
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View Paper titled, Characterizing Hydraulic Fractures Using the Transient Pressure Surge Effect
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Proceedings Papers

Modeling of Before Closure Zero Slope Pressure Derivative in a Diagnostic Fracture Injection Test DFIT

Guoqing Liu, Jie Wang, Christine Ehlig-Economides
Paper presented at the SPE International Hydraulic Fracturing Technology Conference & Exhibition, January 11–13, 2022
Paper Number: SPE-205317-MS
https://doi.org/10.2118/205317-MS
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View Paper titled, Modeling of Before Closure Zero Slope Pressure Derivative in a Diagnostic Fracture Injection Test DFIT
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Proceedings Papers

Blue Hydrogen Economy - A New Look at an Old Idea

Christine Ehlig-Economides, Dimitrios G. Hatzignatiou
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206282-MS
https://doi.org/10.2118/206282-MS
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View Paper titled, Blue Hydrogen Economy - A New Look at an Old Idea
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Proceedings Papers

Enhanced Geothermal System Model for Flow through a Stimulated Rock Volume

Leila Zeinali, Christine Ehlig-Economides, Michael Nikolaou
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205967-MS
https://doi.org/10.2118/205967-MS
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View Paper titled, Enhanced Geothermal System Model for Flow through a Stimulated Rock Volume
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Journal Articles

Model for Asymmetric Hydraulic Fractures with Nonuniform-Stress Distribution

Xiaofan Hu, Guoqing Liu, Guofan Luo, Christine Ehlig-Economides
Journal: SPE Production & Operations
Publisher: Society of Petroleum Engineers (SPE)
SPE Prod & Oper 35 (04): 0719–0729.
Paper Number: SPE-195193-PA
https://doi.org/10.2118/195193-PA
Published: 12 November 2020
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View article titled, Model for Asymmetric Hydraulic Fractures with Nonuniform-Stress Distribution
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Proceedings Papers

Cost Comparison Between Carbon Neutral Fuel and Alternative Low Carbon Energy Options

Christine Ehlig-Economides, Neil de Guzman
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201613-MS
https://doi.org/10.2118/201613-MS
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View Paper titled, Cost Comparison Between Carbon Neutral Fuel and Alternative Low Carbon Energy Options
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Proceedings Papers

Automated Procedure for Quantifying ISIP and Friction Losses from Stage by Stage Hydraulic Fracture Treatment Falloff Data

Fahad Alwarda, Guoqing Liu, Michael Nikolaou, Christine Ehlig-Economides
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201488-MS
https://doi.org/10.2118/201488-MS
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View Paper titled, Automated Procedure for Quantifying ISIP and Friction Losses from Stage by Stage Hydraulic Fracture Treatment Falloff Data
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Proceedings Papers

Miscible Fluid Diagnostic Fracture Injection Test Design Enabling Permeability Estimation from Before-Closure Linear Flow

Christine Ehlig-Economides, Mariia Bychina, Guoqing Liu, Jie Wang
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2777-MS
https://doi.org/10.15530/urtec-2020-2777
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View Paper titled, Miscible Fluid Diagnostic Fracture Injection Test Design Enabling Permeability Estimation from Before-Closure Linear Flow
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Journal Articles

Investigation of Rupture and Slip Mechanisms of Hydraulic Fractures in Multiple-Layered Formations

Jizhou Tang, Kan Wu, Lihua Zuo, Lizhi Xiao, Sijie Sun, Christine Ehlig–Economides
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (05): 2292–2307.
Paper Number: SPE-197054-PA
https://doi.org/10.2118/197054-PA
Published: 28 August 2019
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View article titled, Investigation of Rupture and Slip Mechanisms of Hydraulic Fractures in Multiple-Layered Formations
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Proceedings Papers

Fracture Surface Area Estimation from Main Hydraulic Fracture Treatment Pressure Falloff Data

Tong Zhou, Guoqing Liu, Fengxia Li, Yuanzhao Li, Christine Ehlig-Economides
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-40-MS
https://doi.org/10.15530/urtec-2019-40
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View Paper titled, Fracture Surface Area Estimation from Main Hydraulic Fracture Treatment Pressure Falloff Data
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