LEASES · O-4-10718 · OIL · DISTRICT 04
EL Negro Ranch
No volume since Jun 1997Coates Energy Interests, Ltd. · Starr County · Charco del Monte (Jackson 10A) field
El Negro Ranch is an RRC oil lease (O-4-10718) in Starr County operated by Coates Energy Interests, Ltd., with 5 wells completed on it.
It has reported 10.2K barrels of oil and 179K mcf of gas since January 1993, last reporting volume in June 1997 (statewide data runs through April 2026).
The last 12 reported months total 603 barrels of oil, down 56% on the year before; the lease peaked at 497 barrels in October 1993.
2 operators have filed production on it, most recently Coates Energy Interests, Ltd. since December 1995.
- 10.2K
- bbl oil, all reported
- 179K
- mcf gas incl. casinghead
- 603
- bbl oil, last 12 reported
- -56%
- vs the 12 before
- 5
- wells completed on it
- 497
- peak month, bbl (Oct 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUN 1997 · 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 603 · prior 12 1,358(-56%)
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 10,055 · prior 12 33,722(-70%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Maddux, Elizabeth H.Jan 1993 → Nov 1995 · 35 mo
- Coates Energy Interests, Ltd.Dec 1995 → Aug 1997 · 21 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Plugged
- 5
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-4-10718, documented in the API reference.