LEASES · O-10-51186 · OIL · DISTRICT 08
Whiting 21
ReportingFormentera Operations LLC · Winkler County · Keystone (Wolfcamp) field
Whiting 21 is an RRC oil lease (O-10-51186) in Winkler County operated by Formentera Operations LLC, with 3 wells completed on it.
It has reported 801K barrels of oil and 1.31M mcf of gas since September 2018, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 114K barrels of oil, down 8% on the year before; the lease peaked at 15.2K barrels in December 2018.
3 operators have filed production on it, most recently Formentera Operations LLC since May 2024.
- 801K
- bbl oil, all reported
- 1.31M
- mcf gas incl. casinghead
- 114K
- bbl oil, last 12 reported
- -8%
- vs the 12 before
- 3
- wells completed on it
- 15.2K
- peak month, bbl (Dec 2018)
PDQ LEASE REPORTS · FIRST SEP 2018 · 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 113,744 · prior 12 124,176(-8%)
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 143,706 · prior 12 217,316(-34%)
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.
- Boyd & McWilliams Operating, LLCSep 2018 → Jul 2021 · 35 mo
- Saddleback Exploration, LLCAug 2021 → Apr 2024 · 33 mo
- Formentera Operations LLCMay 2024 → Jul 2026 · 27 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 3
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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