Evaluation of behind-pipe saturation in a miscible CO2 flood

Document Type

Conference Proceeding

Publication Date

10-15-2008

Abstract

A combination of several neutron tools were used to evaluate the remaining oil saturation in a miscible CO2 flood. These methods were applicable in areas where CO2 has been injected for a long period of time without a base pre-CO2 log. The techniques showed excellent performance with a full suite of open-hole logs to characterize the petrophysical properties of the well and where heterogeneity effects controlled the displacement process. The carbon-oxygen response showed the largest changes when the CO2 replaced the oil while the pulsed neutron response showed the largest response to the replacement of water by the CO2. This is an abstract of a paper presented at the 2008 SPE/DOE Improved Oil Recovery Symposium (Tulsa, OK 4/19-23/2008).

Publication Source (Journal or Book title)

SPE - DOE Improved Oil Recovery Symposium Proceedings

First Page

1166

Last Page

1177

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