LEASES · O-10-26628 · OIL · DISTRICT 08
Keystone Cattle Company
ReportingFormentera Operations LLC · Winkler County · Keystone, SW. (San Andres) field
Keystone Cattle Company is an RRC oil lease (O-10-26628) in Winkler County operated by Formentera Operations LLC, with 3 wells completed on it.
It has reported 213K barrels of oil and 450K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 7.63K barrels of oil, up 8% on the year before; the lease peaked at 1.34K barrels in March 2013.
9 operators have filed production on it, most recently Formentera Operations LLC since May 2024.
- 213K
- bbl oil, all reported
- 450K
- mcf gas incl. casinghead
- 7.63K
- bbl oil, last 12 reported
- +8%
- vs the 12 before
- 3
- wells completed on it
- 1.34K
- peak month, bbl (Mar 2013)
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 7,632 · prior 12 7,062(+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 34 · prior 12 1,357(-97%)
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.
- Wood, McShane & ThamsJan 1993 → Oct 1995 · 34 mo
- Vista Resources, Inc. (A)Nov 1995 → Feb 2000 · 52 mo
- Prize Operating CompanyMar 2000 → Mar 2002 · 25 mo
- Gruy Petroleum Management Co.Apr 2002 → Apr 2006 · 49 mo
- Cimarex Energy Co. of ColoradoMay 2006 → Dec 2012 · 80 mo
- Merit Energy CompanyJan 2013 → Nov 2016 · 47 mo
- Blackbeard Operating, LLCDec 2016 → May 2021 · 54 mo
- Saddleback Exploration, LLCJun 2021 → Apr 2024 · 35 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
- Shut IN
- 2
- Producing
- 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-10-26628, documented in the API reference.