LEASES · O-11-65782 · OIL · DISTRICT 8A
Dean Unit
ReportingRoyal Oryx OG LLC · Cochran County · Slaughter field
Dean Unit is an RRC oil lease (O-11-65782) in Cochran County operated by Royal Oryx OG LLC, with 50 wells completed on it.
It has reported 216K barrels of oil and 39K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 2.94K barrels of oil, down 4% on the year before; the lease peaked at 1.35K barrels in February 2012.
10 operators have filed production on it, most recently Royal Oryx OG LLC since March 2026.
- 216K
- bbl oil, all reported
- 39K
- mcf gas incl. casinghead
- 2.94K
- bbl oil, last 12 reported
- -4%
- vs the 12 before
- 50
- wells completed on it
- 1.35K
- peak month, bbl (Feb 2012)
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 2,942 · prior 12 3,049(-4%)
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.
- Cross Timbers Operating CompanyJan 1993 → May 1993 · 5 mo
- Burgundy Oil & Gas, Inc.Jun 1993 → Dec 1993 · 7 mo
- AtapcoJan 1994 → Dec 1998 · 60 mo
- Tema Oil and Gas, LLCJan 1999 → Feb 1999 · 2 mo
- Tema Oil and Gas CompanyMar 1999 → Jun 2000 · 16 mo
- Slape Oil Company, Inc.Jul 2000 → Feb 2009 · 104 mo
- Crossroads Energy L.P.Mar 2009 → Jun 2011 · 28 mo
- Crossroads Energy Partners, LLCJul 2011 → Nov 2017 · 77 mo
- Engas XP, LLCDec 2017 → Feb 2026 · 99 mo
- Royal Oryx OG LLCMar 2026 → Jul 2026 · 5 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
50
wells completed on the lease
- Plugged
- 25
- Producing
- 16
- Shut IN
- 7
- Injection
- 2
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-11-65782, documented in the API reference.