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AAPG Bulletin

Abstract


Volume: 13 (1929)

Issue: 12. (December)

First Page: 1509

Last Page: 1556

Title: Yates Oil Pool, Pecos County, Texas

Author(s): Ray V. Hennen (2), R. J. Metcalf (3)

Abstract:

The Yates oil pool of northeastern Pecos County, Texas, was opened October 28, 1926, as a result of exploratory work stimulated by the discovery of the Big Lake oil pool of Reagan County. From the standpoint of high yield, low operating costs, and consequent remuneration, it is proving to be the most remarkable pool ever opened.

The oil production is from the Permian beds and the pool is located on a very prominent structure, domal in type, which is at the intersection of two structural ridges which are believed to be the result of differential subsidence around positive areas in the Permian basin.

The oil, which is approximately 30° gravity (A. P. I.), has qualities which, in spite of its sulphur content, make it desirable to refiners. It is chiefly from a thick and very porous pay zone in the Big Lake lime (Permian), but three higher zones are proving commercially productive. Conservation of gas in the pay zones and control of water problems by back pressure on the wells will greatly increase the yield of the pool.

The ultimate recovery is estimated at 640,000,000 barrels, with a much higher recovery probable.

Subsurface conditions make the Yates dome favorable for production in the lower Permian and in the deeper zones producing in the Big Lake field of Reagan County.

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