LEASES · O-10-5264 · OIL · DISTRICT 08
Tubb, J. B. a/C #1
ReportingFormentera Operations LLC · Crane County · Sand Hills (McKnight) field
Tubb, J. B. A/C #1 is an RRC oil lease (O-10-5264) in Crane County operated by Formentera Operations LLC, with 154 wells completed on it.
It has reported 1.25M barrels of oil and 22.5M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 19.3K barrels of oil, down 1% on the year before; the lease peaked at 12.3K barrels in November 2010.
5 operators have filed production on it, most recently Formentera Operations LLC since November 2023.
- 1.25M
- bbl oil, all reported
- 22.5M
- mcf gas incl. casinghead
- 19.3K
- bbl oil, last 12 reported
- -1%
- vs the 12 before
- 154
- wells completed on it
- 12.3K
- peak month, bbl (Nov 2010)
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 19,307 · prior 12 19,506(-1%)
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 234,284 · prior 12 221,799(+6%)
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.
- Exxon Corp.Jan 1993 → Mar 2000 · 87 mo
- Exxon Mobil CorporationApr 2000 → Oct 2004 · 55 mo
- Apache CorporationNov 2004 → Jun 2021 · 200 mo
- Slant Operating, LLCJul 2021 → Oct 2023 · 28 mo
- Formentera Operations LLCNov 2023 → Jul 2026 · 33 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
154
wells completed on the lease
- NO Type on File
- 63
- Shut IN
- 35
- Producing
- 30
- Plugged
- 26
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.
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