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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 24 (1940)

Issue: 12. (December)

First Page: 2126

Last Page: 2142

Title: Hoffman Field, Duval County, Texas

Author(s): Harvey Whitaker (2)


The Hoffman field is located in the Government Wells district of Duval County in southwest Texas. Production is found in five sands in the Textularia hockleyensis zone of the Jackson formation, upper Eocene in age. The sands range in depth from 2,500 to 2,900 feet. The field is on a broad anticlinal nose with probably not more than 40 feet of closure on the Jackson. Stratigraphic variations are as important to accumulation as structural relief. Variations in gas-oil and oil-water contacts are pronounced and are probably due to changes in porosity and permeability of the sands although there is some evidence of water coning. No estimate of reserves is practicable except by comparative method. The field is still in the development stage.

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