A carbon dioxide huff and puff project at a mature heavy oil Field in Dagang, China
Gao C.H. Ji C.Y.
October 2023John Wiley and Sons Inc
Greenhouse Gases: Science and Technology
2023#13Issue 5616 - 619 pp.
Carbon dioxide has been proved an effective agent to enhance recovery for relatively light crude oil, but its applications in heavy oil are very limited. This short communication presents field trials of CO2 huff and puff at Dagang, a heavy oil field in Northeast China. Two wells received CO2 injection, and both wells saw higher oil output and lower water-cut after CO2 treatment. This project proves CO2 is effective for heavy oil recovery. Recommendations are also made for future CO2 huff and puff projects. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.
carbon dioxide , field case , heavy oil , oil recovery
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Nazarbayev University, Astana, Kazakhstan
Dagang Oilfield Group, Tianjin, China
Nazarbayev University
Dagang Oilfield Group
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