LEASES · O-4-13013 · OIL · DISTRICT 04
C. N. Cooke Unit
No volume since Nov 2005Opex Energy, LLC · Nueces County · Doughty (Frio 8730) field
C. N. Cooke Unit is an RRC oil lease (O-4-13013) in Nueces County operated by Opex Energy, LLC, with one well completed on it.
It has reported 26.8K barrels of oil and 62.9K mcf of gas since March 2001, last reporting volume in November 2005 (statewide data runs through April 2026).
The last 12 reported months total 398 barrels of oil, down 85% on the year before; the lease peaked at 1.1K barrels in April 2002.
4 operators have filed production on it, most recently Opex Energy, LLC since July 2004.
- 26.8K
- bbl oil, all reported
- 62.9K
- mcf gas incl. casinghead
- 398
- bbl oil, last 12 reported
- -85%
- vs the 12 before
- 1
- wells completed on it
- 1.1K
- peak month, bbl (Apr 2002)
PDQ LEASE REPORTS · FIRST MAR 2001 · LAST VOLUME NOV 2005 · 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 398 · prior 12 2,608(-85%)
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 5,892 · prior 12 8,653(-32%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Bison Energy Partners, Inc.Mar 2001 → Aug 2001 · 6 mo
- Bison Energy Partners, Ltd.Sep 2001 → Apr 2002 · 8 mo
- White Oak Operating Company LLCMay 2002 → Jun 2004 · 26 mo
- Opex Energy, LLCJul 2004 → Feb 2006 · 20 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-4-13013, documented in the API reference.