LEASES · O-10-21178 · OIL · DISTRICT 08
Barnsley Unit
ReportingExtex Operating Company · Crane County · Sand Hills (Tubb) field
Barnsley Unit is an RRC oil lease (O-10-21178) in Crane County operated by Extex Operating Company, with 47 wells completed on it.
It has reported 1.45M barrels of oil and 1.22M mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 10.6K barrels of oil, down 30% on the year before; the lease peaked at 9.38K barrels in April 1997.
3 operators have filed production on it, most recently Extex Operating Company since September 2021.
- 1.45M
- bbl oil, all reported
- 1.22M
- mcf gas incl. casinghead
- 10.6K
- bbl oil, last 12 reported
- -30%
- vs the 12 before
- 47
- wells completed on it
- 9.38K
- peak month, bbl (Apr 1997)
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 10,628 · prior 12 15,144(-30%)
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 453 · prior 12 581(-22%)
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.
- Anadarko Petroleum CorporationJan 1993 → Aug 2003 · 128 mo
- Endeavor Energy Resources L.P.Sep 2003 → Aug 2021 · 216 mo
- Extex Operating CompanySep 2021 → Jul 2026 · 59 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
47
wells completed on the lease
- Plugged
- 19
- NO Type on File
- 8
- Shut IN
- 8
- Producing
- 7
- Injection
- 5
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-10-21178, documented in the API reference.