Combustion - a primary recovery process, Moco Zone reservoir - Midway Sunset field, Kern County, California

Conference · Thu Jan 01 04:00:00 EST 1970 · Soc. Pet. Eng. AIME, Pap.; (United States)

OSTI ID:5001198

Gates, C F; Sklar, I

The Moco Zone reservoir is located in the Midway Sunset field, Kern County, California. It was discovered in 1957 and partially developed, but was essentially shut-in until late 1959. In situ combustion operations were initiated in Jan. 1960 at the top of the structure to fully utilize gravitation in the recovery of the highly mobile hot crude affected by the combustion process. All 6 major sands were open in the initial injector. At present, there are 5 injectors with various combinations of sands open. The oil rate reached a maximum of more than 3,300 bpd in early 1961 and is currently 1,600 bpd from 30 producers. To date, recovery is 9 million bbl or 24% of the oil originally in place. The major portion of this recovery is the result of combustion operations. Special completions and techniques were used to avoid well damage of any kind which could lead to costly repairs, replacements or uncontrollable loss of air from the reservoir. Successful combustion performance is being achieved by close attention of experienced personnel to operating procedures and techniques which obtain satisfactory oil production and minimize risks. (10 refs.)

• Research Organization: Mobil Oil Corp.
• OSTI ID: 5001198
• Report Number(s): CONF-701012-
• Conference Information: Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE-3054
• Country of Publication: United States
• Language: English

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