Laboratory core floods to support the El Dorado micellar/polymer project
Journal Article
·
· J. Pet. Technol.; (United States)
Two distinct micellar/polymer processes are being tested in the El Dorado project. In one pilot area, an oil-external micellar system followed by partically hydrolyzed polyacrylamide solution is being tested. In the north pattern, an aqueous surfactant system followed by xanthan gum solution is being implemented. From this work, the following conclusions are made. (1) Both the oleic and aqueous systems effectively displace residual oil from Berea sandstone. (2) Not surprisingly, oil recoveries with either the oil-external or the aqueous system were lower with stacked El Dorado cores than with Berea cores. (3) Higher concentrations of polymer in the polymer drive for the high-water content system appears to be more important to oil recovery than higher concentrations of surfactant in the surfactant slug. 27 refs.
- Research Organization:
- Cities Serv Co, USA
- OSTI ID:
- 6822850
- Journal Information:
- J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 34:6; ISSN JPTJA
- Country of Publication:
- United States
- Language:
- English
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