Abstract
ABSTRACT Texaco's largest steam flood project is in the San Ardo Field in California, and is a model of a successful steam flooding operation. This reservoir still has about 600 million barrels of 11 to 14° API oil in place, and now produces about 20,000 BOPD. The San Ardo Field is located approximately halfway between San Francisco and Los Angeles in Monterey County, California. Several characteristics of the San Ardo operation make it a rather unique steam flood. But the most unique and significant characteristic relates to demonstrated recoveries of from 40% to over 80% of the OOIP in the active portion of the steam flood. An extension of the performance to date indicates that over 65% to 70% of the OOIP will eventually be recovered. Effective reservoir management, including the development of innovative pattern strategy, and proven operational practices have formed the basis for the current performance. This paper will review the evolution of the field operation and stress new activities that Texaco is implementing at San Ardo to produce more oil and to do it more efficiently. These activities include a field test of a downhole steam generator.
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