LEASES · O-10-35706 · OIL · DISTRICT 08
TXL N 39-4
Diamondback E&P LLC · Midland County · Spraberry (Trend Area) field
Txl N 39-4 is an RRC oil lease (O-10-35706) in Midland County operated by Diamondback E&P LLC, with 2 wells completed on it.
It has reported 150K barrels of oil and 205K mcf of gas since January 1998, last reporting volume in July 2025 (statewide data runs through April 2026).
It reported 501 barrels of oil in the 12 months through April 2026, down 30% on the year before; the lease peaked at 2.3K barrels in July 1999.
10 operators have filed production on it, most recently Diamondback E&P LLC since January 2025.
- 150K
- bbl oil, all reported
- 205K
- mcf gas incl. casinghead
- 501
- bbl oil, 12 months through Apr 2026
- -30%
- vs the 12 before
- 2
- wells completed on it
- 2.3K
- peak month, bbl (Jul 1999)
PDQ LEASE REPORTS · FIRST JAN 1998 · LAST VOLUME JUL 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.
12 months through Apr 2026 501 · prior 12 713(-30%)
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.
12 months through Apr 2026 626 · prior 12 1,000(-37%)
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.
- Arco PermianJan 1998 → Dec 2001 · 48 mo
- BP America Production CompanyJan 2002 → Jun 2003 · 18 mo
- OXY USA WTP LPJul 2003 → Jul 2003 · 1 mo
- Forest Oil CorporationAug 2003 → Dec 2009 · 77 mo
- Sandridge Expl. and Prod., LLCJan 2010 → Sep 2010 · 9 mo
- Athlon Energy Operating LLCOct 2010 → Dec 2013 · 39 mo
- Athlon Holdings LPJan 2014 → Jan 2015 · 13 mo
- Encana Oil & Gas(usa) Inc.Feb 2015 → Jul 2019 · 54 mo
- Endeavor Energy Resources L.P.Aug 2019 → Dec 2024 · 65 mo
- Diamondback E&P LLCJan 2025 → Jul 2026 · 19 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Shut In
- 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-10-35706, documented in the API reference.