Carbon dioxide enhanced oil recovery and residual oil zone studies at the U.S. Geological Survey

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Abstract

The U.S. Geological Survey (USGS) is preparing a national resource assessment of the potential hydrocarbons recoverable after injection of carbon dioxide (CO2) into conventional oil reservoirs in the United States. The implementation of CO2-enhanced oil recovery (CO2-EOR) techniques can increase hydrocarbon production, and lead to incidental retention of CO2 in reservoir pore space allowing long-term storage of anthropogenic CO2. A Comprehensive Resource Database (CRD) containing proprietary data on location, geologic, petrophysical, and reservoir parameters, plus production and well counts for major oil and gas reservoirs in onshore areas and State waters of the conterminous United States and Alaska, was developed to support the USGS assessment. Residual oil zones (ROZs) also can provide potential pore space for long-term storage of anthropogenic CO2. However, ROZs are not included in the upcoming USGS national CO2-EOR assessment because assessment methods for ROZs still are being developed. Additional ROZ CO2-EOR and CO2 retention data and reservoir simulations are needed to calibrate national ROZ assessment estimates.

Publication type Conference Paper
Publication Subtype Conference Paper
Title Carbon dioxide enhanced oil recovery and residual oil zone studies at the U.S. Geological Survey
Year Published 2019
Language English
Publisher Social Science Research Network (SSRN)
Contributing office(s) Eastern Energy Resources Science Center
Description 4 p.
First page 1
Last page 4
Conference Title 14th International Conference on Greenhouse Gas Control Technologies, GHGT-14
Conference Location Melbourne, Australia
Conference Date October 21-25, 2018
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