LEASES · O-1-12425 · OIL · DISTRICT 01
Tortuga B Unit
ReportingCrescent Energy Operating, LLC · Dimmit County and Zavala · Pearsall (Austin Chalk) field
Tortuga B Unit is an RRC oil lease (O-1-12425) in Dimmit County operated by Crescent Energy Operating, LLC, with 7 wells completed on it.
It has reported 417K barrels of oil and 178K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 6.16K barrels of oil, up 13% on the year before; the lease peaked at 12.4K barrels in April 2008.
9 operators have filed production on it, most recently Crescent Energy Operating, LLC since November 2025.
- 417K
- bbl oil, all reported
- 178K
- mcf gas incl. casinghead
- 6.16K
- bbl oil, last 12 reported
- +13%
- vs the 12 before
- 7
- wells completed on it
- 12.4K
- peak month, bbl (Apr 2008)
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 6,163 · prior 12 5,469(+13%)
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.
- Famcor Oil, Inc.Jan 1993 → Dec 1998 · 72 mo
- Ceniza Petroleum, Inc.Jan 1999 → Jul 2000 · 19 mo
- Tiza, Inc.Aug 2000 → Jul 2003 · 36 mo
- First Rock, Inc.Aug 2003 → Jun 2005 · 23 mo
- Sage Energy CompanyJul 2005 → Jun 2011 · 72 mo
- Crimson Exploration Oper., Inc.Jul 2011 → Dec 2019 · 102 mo
- Contango Resources, Inc.Jan 2020 → Dec 2021 · 24 mo
- Contango Resources, LLCJan 2022 → Oct 2025 · 46 mo
- Crescent Energy Operating, LLCNov 2025 → Jul 2026 · 9 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
7
wells completed on the lease
- NO Type on File
- 4
- Plugged
- 3
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-1-12425, documented in the API reference.