LEASES · O-11-65264 · OIL · DISTRICT 8A
Zahn
ReportingOstrich Oil & Gas, LLC · Lamb County · Anton, West field
Zahn is an RRC oil lease (O-11-65264) in Lamb County operated by Ostrich Oil & Gas, LLC, with 3 wells completed on it.
It has reported 396K barrels of oil and 56 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 4.84K barrels of oil, down 20% on the year before; the lease peaked at 1.73K barrels in January 1998.
10 operators have filed production on it, most recently Ostrich Oil & Gas, LLC since December 2019.
- 396K
- bbl oil, all reported
- 56
- mcf gas incl. casinghead
- 4.84K
- bbl oil, last 12 reported
- -20%
- vs the 12 before
- 3
- wells completed on it
- 1.73K
- peak month, bbl (Jan 1998)
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 4,838 · prior 12 6,025(-20%)
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.
- HMH Operators, Inc.Jan 1993 → Aug 1997 · 56 mo
- Ricks Expl Acquisition CorpSep 1997 → May 2001 · 45 mo
- Ricks Expl Acquisition LLCJun 2001 → Oct 2003 · 29 mo
- Ricks Exploration, Inc.Nov 2003 → Dec 2003 · 2 mo
- Concho Exploration IncJan 2004 → Mar 2004 · 3 mo
- Chesapeake Operating, Inc.Apr 2004 → Mar 2010 · 72 mo
- Three Rivers Operating Co LLCApr 2010 → Jul 2012 · 28 mo
- COG Operating LLCAug 2012 → Dec 2012 · 5 mo
- Legacy Reserves Operating LPJan 2013 → Nov 2019 · 83 mo
- Ostrich Oil & Gas, LLCDec 2019 → Jul 2026 · 80 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- NO Production
- 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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-11-65264, documented in the API reference.