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Todd Deep Field, Crockett County, Texas

1950; American Association of Petroleum Geologists; Volume: 34; Linguagem: Inglês

10.1306/3d933ed5-16b1-11d7-8645000102c1865d

1558-9153

Robert Floyd Imbt, Schacht Victor McCollum,

Water Quality and Resources Studies

The Todd Crinoidal pool was discovered, April, 1940, as the result of surface and subsurface geological work. Deeper drilling discovered the Ellenburger pool, February, 1945. Production limits for both pools have been established, and the subsurface reveals the presence of a Strawn crinoidal limestone reef on the west flank of a sharply folded and faulted Ordovician uplift. There are 34 wells completed in the crinoidal producing zone and 62 wells completed in the Ellenburger. Declining bottom-hole pressure in the crinoidal reservoir during the recent years of higher allowables has brought forth a plan of unitization of this reservoir. If this program is finally completed, water injection will be used to supplement the partly effective natural water drive.