LEASES · O-10-51721 · OIL · DISTRICT 08
Trees Estate -77-
ReportingSwordfish Energy Operating, LLC · Pecos County · Wolfbone (Trend Area) field
Trees Estate -77- is an RRC oil lease (O-10-51721) in Pecos County operated by Swordfish Energy Operating, LLC, with 5 wells completed on it.
It has reported 564K barrels of oil and 659K mcf of gas since March 2018, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 49.4K barrels of oil, up 23% on the year before; the lease peaked at 56.1K barrels in May 2019.
3 operators have filed production on it, most recently Swordfish Energy Operating, LLC since December 2025.
- 564K
- bbl oil, all reported
- 659K
- mcf gas incl. casinghead
- 49.4K
- bbl oil, last 12 reported
- +23%
- vs the 12 before
- 5
- wells completed on it
- 56.1K
- peak month, bbl (May 2019)
PDQ LEASE REPORTS · FIRST MAR 2018 · LAST VOLUME MAR 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 49,449 · prior 12 40,047(+23%)
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 130,858 · prior 12 35,993(+264%)
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.
- Rosehill Operating Company, LLCMar 2018 → Sep 2021 · 43 mo
- LRR Pecos Valley, LLCOct 2021 → Nov 2025 · 50 mo
- Swordfish Energy Operating, LLCDec 2025 → Jul 2026 · 8 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
5
wells completed on the lease
- Producing
- 3
- Plugged
- 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-10-51721, documented in the API reference.