LEASES · O-11-65700 · OIL · DISTRICT 8A
Cook, I. J.
ReportingSixess Energy, LLC · Hockley County · Yellowhouse, S. (San Andres) field
Cook, I. J. is an RRC oil lease (O-11-65700) in Hockley County operated by Sixess Energy, LLC, with 7 wells completed on it.
It has reported 336K barrels of oil and 108K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.65K barrels of oil, down 36% on the year before; the lease peaked at 2.38K barrels in January 1993.
4 operators have filed production on it, most recently Sixess Energy, LLC since January 2023.
- 336K
- bbl oil, all reported
- 108K
- mcf gas incl. casinghead
- 3.65K
- bbl oil, last 12 reported
- -36%
- vs the 12 before
- 7
- wells completed on it
- 2.38K
- peak month, bbl (Jan 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2026 · 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 3,654 · prior 12 5,707(-36%)
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 0 · prior 12 0
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Walsh Petroleum, Inc.Jan 1993 → Apr 1993 · 4 mo
- Parker & Parsley, Wpi AgentMay 1993 → Feb 1995 · 22 mo
- Walsh Petroleum, Inc.Mar 1995 → Dec 2022 · 334 mo
- Sixess Energy, LLCJan 2023 → Jul 2026 · 43 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
7
wells completed on the lease
- Producing
- 3
- Plugged
- 2
- Shut IN
- 1
- Injection
- 1
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-11-65700, documented in the API reference.