NITROGEN-DRIVEN CO2 SLUGS REDUCE COSTS.

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作者：

O'Leary, J.P.

Murray, Timothy H.

Guillory, Terry

Grieve, Craig

Reece, Mitchell C.

Perkins, Tom

Crawford, Paul B.

Nugent, Mark

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| 1600年 / 51期

关键词：

CARBON DIOXIDE SLUGS - TERTIARY RECOVERY;

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摘要：

Use of carbon dioxide slugs rather than pure CO//2 from beginning to end of a tertiary recovery run would permit a stretching of available CO//2 supplies and a reduction in the process cost. Permian Basin fields contain 3 to 5 billion bbl of oil that could conceivably be recovered by tertiary methods. This article describes research work at Texas A&M University, which has involved injection of both carbon dioxide and nitrogen to increase oil recovery. Nitrogen costs about half as much as CO//2 on Mcf basis.

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