LEASES · O-4-12613 · OIL · DISTRICT 04
State Tract 12
ReportingTR Offshore, LLC · Aransas County · Mesquite Bay (Frio E) field
State Tract 12 is an RRC oil lease (O-4-12613) in Aransas County operated by TR Offshore, LLC, with one well completed on it.
It has reported 248K barrels of oil and 881K mcf of gas since July 1996, last reporting volume in May 2025 (statewide data runs through April 2026).
The last 12 reported months total 97 barrels of oil, down 87% on the year before; the lease peaked at 5.45K barrels in October 1996.
7 operators have filed production on it, most recently TR Offshore, LLC since September 2017.
- 248K
- bbl oil, all reported
- 881K
- mcf gas incl. casinghead
- 97
- bbl oil, last 12 reported
- -87%
- vs the 12 before
- 1
- wells completed on it
- 5.45K
- peak month, bbl (Oct 1996)
PDQ LEASE REPORTS · FIRST JUL 1996 · LAST VOLUME MAY 2025 · 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 97 · prior 12 760(-87%)
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 287 · prior 12 1,766(-84%)
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.
- Mitchell Energy CorporationJul 1996 → Dec 2000 · 54 mo
- Mitchell Energy Company L.P.Jan 2001 → Mar 2002 · 15 mo
- Devon Energy Operating Co., L.P.Apr 2002 → Jul 2004 · 28 mo
- Devon Energy Production Co, L.P.Aug 2004 → Apr 2005 · 9 mo
- Legend Natural Gas II, LPMay 2005 → Oct 2005 · 6 mo
- Chaparral Energy, L.L.C.Nov 2005 → Aug 2017 · 142 mo
- TR Offshore, LLCSep 2017 → Jul 2026 · 107 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-4-12613, documented in the API reference.