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Journal Articles

Thermodynamic and Condensation Rate Modeling in Abandoned Wells: Assessing Potential Corrosion Risks in CCS Applications

S. S. Gupta, S. Rai, R. R. Ratnakar
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 29 (12): 7234–7244.
Paper Number: SPE-223616-PA
https://doi.org/10.2118/223616-PA
Published: 11 December 2024
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View article titled, Thermodynamic and Condensation Rate Modeling in Abandoned Wells: Assessing Potential Corrosion Risks in CCS Applications
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Includes: Supplementary Content
Proceedings Papers

Sonic Velocity Based Experimental and Modeling Approach to Determine Fluid Properties of Greenhouse Gases and Mixtures

R. R. Ratnakar, J. Hackbarth, B. Bhaskar, B. Dindoruk
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-221075-MS
https://doi.org/10.2118/221075-MS
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View Paper titled, Sonic Velocity Based Experimental and Modeling Approach to Determine Fluid Properties of Greenhouse Gases and Mixtures
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Proceedings Papers

Physics Augmented Machine Learning Models for Determining Gas Solubility in Formation Brines for CCS and Gas Processing Applications

R. R. Ratnakar, V. Chaubey, S. S. Gupta, J. Hackbarth, Z. Rui, B. Dindoruk
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220752-MS
https://doi.org/10.2118/220752-MS
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View Paper titled, Physics Augmented Machine Learning Models for Determining Gas Solubility in Formation Brines for CCS and Gas Processing Applications
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Proceedings Papers

Assessment of Geothermal and Hydrocarbon Wells Using Supercritical Fluids for Heat Production

R. R. Ratnakar, S. S. Gupta, J. Hackbarth, S. Livescu, B. Dindoruk
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220844-MS
https://doi.org/10.2118/220844-MS
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View Paper titled, Assessment of Geothermal and Hydrocarbon Wells Using Supercritical Fluids for Heat Production
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Proceedings Papers

Top-Of-Line Corrosion in Legacy and Abandoned Wells for CCS Applications

S. S. Gupta, R. Puthenkalathil, R. R. Ratnakar
Paper presented at the SPE Annual Technical Conference and Exhibition, September 23–25, 2024
Paper Number: SPE-220926-MS
https://doi.org/10.2118/220926-MS
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View Paper titled, Top-Of-Line Corrosion in Legacy and Abandoned Wells for CCS Applications
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Proceedings Papers

Estimation of Compressibility and Other Thermodynamic Derivative Properties of CO2 Using Sonic Velocity for CCS and Enhanced Geothermal Applications

R. R. Ratnakar
Paper presented at the SPE Energy Transition Symposium, August 12–14, 2024
Paper Number: SPE-221413-MS
https://doi.org/10.2118/221413-MS
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View Paper titled, Estimation of Compressibility and Other Thermodynamic Derivative Properties of CO2 Using Sonic Velocity for CCS and Enhanced Geothermal Applications
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Proceedings Papers

Semi-Hybrid Models for Determining Gas Solubility in Brines with Salt Mixtures: Application to CCS and Gas Processing

R. R. Ratnakar, V. Chaubey, S. Gupta, Z. Rui, B. Dindoruk
Paper presented at the SPE Energy Transition Symposium, August 12–14, 2024
Paper Number: SPE-221409-MS
https://doi.org/10.2118/221409-MS
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View Paper titled, Semi-Hybrid Models for Determining Gas Solubility in Brines with Salt Mixtures: Application to CCS and Gas Processing
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Journal Articles

Analysis and Interpretation of Pressure-Decay Tests for Gas/Bitumen and Oil/Bitumen Systems: Methodology Development and Application of New Linearized and Robust Parameter-Estimation Technique Using Laboratory Data

R. R. Ratnakar, B.. Dindoruk
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (03): 951–972.
Paper Number: SPE-181514-PA
https://doi.org/10.2118/181514-PA
Published: 02 November 2018
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View article titled, Analysis and Interpretation of Pressure-Decay Tests for Gas/Bitumen and Oil/Bitumen Systems: Methodology Development and Application of New Linearized and Robust Parameter-Estimation Technique Using Laboratory Data
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Proceedings Papers

Use of DME as an EOR Agent: Experimental and Modeling Study to Capture Interactions of DME, Brine and Crudes at Reservoir Conditions

R. R. Ratnakar, B. Dindoruk, L. Wilson
Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181515-MS
https://doi.org/10.2118/181515-MS
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View Paper titled, Use of DME as an EOR Agent: Experimental and Modeling Study to Capture Interactions of DME, Brine and Crudes at Reservoir Conditions
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Proceedings Papers

On the Exact Representation of Pressure Decay Tests: New Modeling and Experimental Data for Diffusivity Measurement in Gas - Oil/Bitumen Systems

R. R. Ratnakar, B. Dindoruk
Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181514-MS
https://doi.org/10.2118/181514-MS
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View Paper titled, On the Exact Representation of Pressure Decay Tests: New Modeling and Experimental Data for Diffusivity Measurement in Gas - Oil/Bitumen Systems
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Proceedings Papers

Carbonate Matrix Acidizing with Gelled Acids: An Experiment-Based Modeling Study

R. R. Ratnakar, N.. Kalia, V.. Balakotaiah
Paper presented at the SPE International Production and Operations Conference & Exhibition, May 14–16, 2012
Paper Number: SPE-154936-MS
https://doi.org/10.2118/154936-MS
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View Paper titled, Carbonate Matrix Acidizing with Gelled Acids: An Experiment-Based Modeling Study
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