Zone 1 steam project, Coalinga field

Journal Article · Mon Mar 01 04:00:00 EST 1982 · J. Pet. Technol.; (United States)

DOI:https://doi.org/10.2118/8880-PA· OSTI ID:5144906

Taschman, B M

A discussion is presented of the thermal development, both steam soak and steam drive, of the Temblor Zone 1 reservoir in Coalinga field, Fresno County, CA. Zone 1 is a thick, multilayered, steeply dipping reservoir. It contains a 12/sup 0/ API (973 kg/m/sup 3/) oil and its viscosity averages 3,000 cp (3 Pa*S) at reservoir conditions. Zone 1 has been producing on primary since the early 1930's, but cumulative production has been very samll as a result of low reservoir pressure and high crude viscosity. Attempts at thermal production were made in the 1960's and early 1970's, but they were unsuccessful. Results of recent activity indicate that both steam soak and steam drive are applicable to the Zone 1 reservoir at Coalinga; however, it appears that a combination of steam drive and steam soak is the most desirable process.

• Research Organization: Shell Oil Co
• OSTI ID: 5144906
• Journal Information: J. Pet. Technol.; (United States), Journal Name: J. Pet. Technol.; (United States) Vol. 34:3; ISSN JPTJA
• Country of Publication: United States
• Language: English

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