LEASES · O-8-10432 · OIL · DISTRICT 7B
Group 4000 Unit
No volume since Jul 2017Winchester Energy, LLC · Nolan County · Group (4000) field
Group 4000 Unit is an RRC oil lease (O-8-10432) in Nolan County operated by Winchester Energy, LLC, with 14 wells completed on it.
It has reported 91.7K barrels of oil and 67.9K mcf of gas since January 1993, last reporting volume in July 2017 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in July 2017.
11 operators have filed production on it, most recently Winchester Energy, LLC since July 2022.
- 91.7K
- bbl oil, all reported
- 67.9K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 14
- wells completed on it
- 1.76K
- peak month, bbl (Feb 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 2017 · 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 0 · prior 12 0
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Genie CorporationJan 1993 → Dec 1994 · 24 mo
- Chisholm ExplorationJan 1995 → Feb 1995 · 2 mo
- Robertson Resources, Inc.Mar 1995 → Aug 2001 · 78 mo
- Xeric Oil & Gas CorporationSep 2001 → Nov 2003 · 27 mo
- Alegre Energy, Inc.Dec 2003 → Oct 2004 · 11 mo
- Alegre Energy Operating, LPNov 2004 → Sep 2005 · 11 mo
- Alegre Energy, Inc.Oct 2005 → May 2006 · 8 mo
- Delco Operating Company LPJun 2006 → Jun 2007 · 13 mo
- Midwestern EnergyJul 2007 → Apr 2015 · 94 mo
- W & W Production, LLCMay 2015 → Jun 2022 · 86 mo
- Winchester Energy, LLCJul 2022 → Jul 2026 · 49 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
14
wells completed on the lease
- Plugged
- 12
- NO Type on File
- 1
- Shut IN
- 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-8-10432, documented in the API reference.