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Keywords: pure co 2Close
Lauren C. Burrows, Foad Haeri, Deepak Tapriyal, Peter Lemaire, Parth G. Shah, Adel Alenzi, Robert M. Enick, Dustin M. Crandall, Angela Goodman
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5233-MS
... +surfactant huff 'n puff experiments using oil-saturated Eagle Ford and Mancos shale cores showed that CO 2 solutions of SURFONIC ® TDA-9 gave highest cumulative oil recoveries of 72% and 75% (0.01 wt.% and 0.1 wt.% of TDA-9 respectively) compared to 71% recovery for the core immersed in pure CO 2...
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2998-MS
... and after huff-n-puff cycles. CO 2 Huff-n-Puff recovered 41% of incremental oil. CB improved oil recovery by 23% over that for pure CO 2 . First injecting gas and then pressurizing the wells with the CB also improved the oil recovery significantly. It can also reduce the gas compression cost...
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