Turtle Bayou 1936-1983: case history of a major gas field in south Louisiana

Journal Article · Thu Nov 01 00:00:00 EST 1984 · J. Pet. Technol.; (United States)

DOI:https://doi.org/10.2118/12043-PA· OSTI ID:5852421

Cronquist, C

Turtle Bayou field, located in the middle Miocene trend in south Louisiana, is nearing the end of a productive life spanning more than 30 years. Discovered by Shell Oil Co. in 1949 after unsuccessful attempts by two other companies, the field is a typical, low-relief, moderately faulted U.S. Gulf Coast structure, probably associated with deep salt movement. The productive interval includes 22 separate gas-bearing sands in a regressive sequence of sands and shales from approximately 6,500 to 12,000 ft (1980 to 3660 m). Now estimated to have contained about 1.2 trillion scf (34 X 10/sup 9/ std m/sup 3/) of gas in place, cumulative production through 1982 was 702 billion scf (20 X 10/sup 9/ std m/sup 3/). Cumulative condensate/gas ration (CGR) has been 20 bbl/MMcf (110 X 10/sup -6/ m/sup 3//m/sup 3/. Recovery mechanisms in individual reservoirs include strong bottomwater drive, partial edgewater drive, and pressure depletion. Recovery efficiencies in major reservoirs range form 40 to 83% of original gas in place (OGIP). On decline since 1973, it is anticipated the field will be essentially depleted in the next 5 years.

• Research Organization: Cronquist Assocs.
• OSTI ID: 5852421
• Journal Information: J. Pet. Technol.; (United States), Vol. 36:12
• Country of Publication: United States
• Language: English

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