Actions for Coalinga polymer demonstration project. Third annual report, July 1977--July 1978. [Kelco Hanflood biopolymer] [electronic resource].

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Coalinga polymer demonstration project. Third annual report, July 1977--July 1978. [Kelco Hanflood biopolymer] [electronic resource].

Published
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1979.
Physical Description
Pages: 80 : digital, PDF file
Additional Creators
United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The Coalinga Polymer Demonstration Project has been designed to test polymer flooding as an enhanced waterflooding technique to increase oil recovery through water displacement mobility control and provide a direct comparison between waterflooding and polymer flooding in a representative portion of the Temblor Zone II reservoir of the East Coalinga Field. The major objective is to determine if the added expense of polymer flooding over conventional waterflooding is economically justified. The demonstration project has been organized into five phases: evaluation, development, water injection, polymer injection, and production monitoring. Field testing and the selection of the pilot site were completed during the Evaluation Phase. The drilling of new wells, the reconditioning of wells, and the installation of injection and production facilities were completed during the Development Phase. The Water Injection Phase began in June 1976 with the injection of 5,400 barrels per day into four 18-acre inverted five-spot injection patterns. This water injection case has been maintained for the major portion of this phase. The area being monitored for response also includes an updip area because of the unconfined nature of the project. During water injection, the gross production rate increased from 1200 BD to 2300 BD. The oil production rate increased to a plateau of approximately 410 BD, an increase of about 100 BD over the estimated primary rate. The production response which has been observed is significantly lower than the original estimates.The Polymer Injection Phase began in May 1978 and is expected to continue for two to three years. Minimum time required to evaluate the polymer flood performance is the period necessary to establish a decreasing water cut trend. The Production Monitoring Phase will follow and consist of one year of data gathering and reporting to complete the demonstration project.
Report Numbers
E 1.99:san-1556-3
san-1556-3
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
01/01/1979.
"san-1556-3"
Current, J.H.
Shell Oil Co., Ventura, CA (USA)
Funding Information
EF-77-C-03-1566
View MARC record | catkey: 14705437