The Muralla field is 812 miles west and slightly north of San Diego, the county seat of Duval County. The discovery well of this field was drilled by J. B. Blanchard on the Atlee Parr tract, and is located 2,632 feet from the east line and 466 feet from the south line of the T. C. Rogers Survey No. 298.

In this well, the top of the Jackson was encountered at 3,491 feet, and the top of the Textularia hockleyensis zone at 3,740 feet. The well is producing from the Pettus sand, which is Cockfield in age. A...

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First page of Muralla Field, Duval County, Texas: GEOLOGICAL NOTES<xref ref-type="fn" rid="fn1"><sup>1</sup></xref>
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