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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 30 (1946)

Issue: 2. (February)

First Page: 157

Last Page: 180

Title: Geology of Katy Field, Waller, Harris, and Fort Bend Counties, Texas

Author(s): A. P. Allison (2), R. L. Beckelhymer (3), Don G. Benson (4), R. M. Hutchins, Jr. (5), C. L. Lake (6), Ray C. Lewis (7), P. H. O'Bannon (8), S. R. Self (9), C. A. Warner (10)


The Katy field, located in Waller, Harris, and Fort Bend counties, Texas, and 30 miles northwest of the industrial area of Houston, was discovered in the early part of 1935. Development has shown the productive area to be between 29,000 and 30,000 acres and probably the most important gas-condensate reserve in the United States. The structure is a broad domal anticline unbroken by faulting. Gas condensate, and oil are produced between the depths of 6,250 feet and 7,450 feet from sands in the Yegua formation. The 1,200-foot producing section is segregated into six productive or potentially productive reservoirs each with separate fluid levels and reservoir characteristics. On July 1, 1945, gas and condensate were being produced from the second, third, fourth, and fifth zon reservoirs and oil was being produced from one or more sand members in the first and second zones. On this date 85 wells had been drilled on the structure, of which 44 were completed for gas production or return, 29 for oil production, and remaining 12 were dry holes.

The current, July 1, 1945, average daily allowable from the field is approximately 1,000 barrels of oil, 14,000 barrels of condensate, and 450 million cubic feet of gas of which approximately 85 per cent is being returned to and stored in the reservoir.

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