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AAPG Bulletin

Abstract


Volume: 23 (1939)

Issue: 5. (May)

First Page: 643

Last Page: 662

Title: Subsurface Study of Greenwich Pool, Sedgwick County, Kansas

Author(s): Arnold S. Bunte (2)

Abstract:

The Greenwich oil pool, Sedgwick County, Kansas, comprises parts of Sections 10, 11, 14, 15, and 22 of T. 26 S., R. 2 E. It was discovered by the Shell Petroleum Corporation when Lygrisse A-1 was drilled on a core-drill structure, resulting in a producer in the Viola limestone. The history, development, and geology are briefly discussed. The upper cherty part of the Mississippian limestone, the Viola limestone, and a sandy body near the base of the Simpson formation are the only producing zones of the field. All accumulated production figures are compiled to January 1, 1938.

The Mississippian producing zone, found at a depth of about 2,900 feet, is nearly depleted of oil. This zone has produced a total of 2,095,196 barrels of oil. The per-acre yield has been 6,780 barrels and the average yield per well has been about 52,380 barrels.

The Viola limestone, at the present time, is the main producing zone of the field. It occurs at an approximate depth of 3,200 feet, and has produced a total of about 6,504,319 barrels of oil. The average yield per well has been 144,540 barrels and the per-acre yield has been about 15,125 barrels.

The Simpson reservoir is found at a depth of approximately 3,300 feet. Eight wells on the east flank of the structure have been completed in the formation. The total production has been 316,646 barrels of oil, and the average yield per well has been 39,580 barrels.

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