LEASES · O-9-3581 · OIL · DISTRICT 7C
McElroy Ranch Company -L-
No volume since Aug 2009Endeavor Energy Resources L.P. · Upton County · Jack Herbert (Devonian) field
Mcelroy Ranch Company -L- is an RRC oil lease (O-9-3581) in Upton County operated by Endeavor Energy Resources L.P., with one well completed on it.
It has reported 7.46K barrels of oil and 314K mcf of gas since January 1993, last reporting volume in August 2009 (statewide data runs through April 2026).
No volume was reported in the 12 months through April 2026; the last was in August 2009.
3 operators have filed production on it, most recently Endeavor Energy Resources L.P. since September 2000.
- 7.46K
- bbl oil, all reported
- 314K
- mcf gas incl. casinghead
- 0
- bbl oil, 12 months through Apr 2026
- —
- vs the 12 before
- 1
- wells completed on it
- 243
- peak month, bbl (Jul 2001)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2009 · 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.
12 months through Apr 2026 0 · prior 12 0
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.
12 months through Apr 2026 0 · prior 12 0
Who reported it
Each run of months one operator filed the production report, oldest first.
- Pennzoil Petroleum CompanyJan 1993 → Jun 1993 · 6 mo
- Stephens, Autry C.Jul 1993 → Aug 2000 · 86 mo
- Endeavor Energy Resources L.P.Sep 2000 → Jan 2014 · 161 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
1
wells completed on the lease
- Plugged
- 1
Operates them now
Newest permits
- — #8 L—
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-9-3581, documented in the API reference.