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The AAPG/Datapages Combined Publications Database
Bulletin of South Texas Geological Society
Abstract
The San Pablo Oil Field Jim Hogg County, Texas
Abstract
The San Pablo field is a stratigraphic trap in Jim Hogg County, Texas, fourteen miles south of the town of Hebbronville. The field was discovered in 1948; the discovery well is the Baldridge & King #3 Mrs. S. K. East, which produced 95 barrels of 39° gravity oil per day. To January 1, 1984, the field has produced 1.4 million barrels, all from the Pettus formation, a medium grained, gray, argillaceous sandstone. The trapping mechanism is a stratigraphic pinchout. The Pettus is interpreted in this paper to be the lowermost marine transgressive unit of the Eocene Jackson Group. The volume of hydrocarbons produced from a relatively shallow depth (average production is −3175 ft.) qualifies the Pettus as a significant reservoir. The discovery and development of the San Pablo field may serve as a model for further exploration of stratigraphic oil fields in South Texas.
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