LEASES · O-4-8976 · OIL · DISTRICT 04
Mayo, J. W. a/C 1
No volume since Aug 2004Hec Petroleum, Inc. · San Patricio County · Taft (4550) field
Mayo, J. W. A/C 1 is an RRC oil lease (O-4-8976) in San Patricio County operated by Hec Petroleum, Inc., with 5 wells completed on it.
It has reported 63.7K barrels of oil and 73.9K mcf of gas since January 1993, last reporting volume in August 2004 (statewide data runs through April 2026).
The last 12 reported months total 579 barrels of oil, down 65% on the year before; the lease peaked at 1.61K barrels in April 1997.
4 operators have filed production on it, most recently Hec Petroleum, Inc. since January 2002.
- 63.7K
- bbl oil, all reported
- 73.9K
- mcf gas incl. casinghead
- 579
- bbl oil, last 12 reported
- -65%
- vs the 12 before
- 5
- wells completed on it
- 1.61K
- peak month, bbl (Apr 1997)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2004 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
Last 12 months 579 · prior 12 1,644(-65%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
Last 12 months 1,531 · prior 12 3,364(-54%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Exxon Corp.Jan 1993 → Jul 1994 · 19 mo
- Cox Resources Corp.Aug 1994 → Aug 2000 · 73 mo
- Hallwood Petroleum, Inc.Sep 2000 → Dec 2001 · 16 mo
- Hec Petroleum, Inc.Jan 2002 → May 2005 · 41 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- NO Type on File
- 3
- Plugged
- 2
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-4-8976, documented in the API reference.