LEASES · O-10-37174 · OIL · DISTRICT 08
Brown "13"
Diamondback E&P LLC · Martin County · Spraberry (Trend Area) field
Brown "13" is an RRC oil lease (O-10-37174) in Martin County operated by Diamondback E&P LLC, with 3 wells completed on it.
It has reported 183K barrels of oil and 172K mcf of gas since August 2003, last reporting volume in August 2026 (statewide data runs through August 2026).
It reported 896 barrels of oil in the 12 months through August 2026, down 59% on the year before; the lease peaked at 4K barrels in May 2004.
3 operators have filed production on it, most recently Diamondback E&P LLC since January 2021.
- 183K
- bbl oil, all reported
- 172K
- mcf gas incl. casinghead
- 896
- bbl oil, 12 months through Aug 2026
- -59%
- vs the 12 before
- 3
- wells completed on it
- 4K
- peak month, bbl (May 2004)
PDQ LEASE REPORTS · FIRST AUG 2003 · LAST VOLUME AUG 2026 · STATEWIDE DATA THROUGH AUG 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 Aug 2026 896 · prior 12 2,203(-59%)
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 Aug 2026 7,853 · prior 12 11,928(-34%)
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, with what it reported in them.
- Endeavor Energy Resources L.P.Aug 2003 → Sep 2016 · 158 mo145K bbl oil · 141K mcf gas
- Guidon Energy Mgmt Services LLCOct 2016 → Dec 2020 · 51 mo17.9K bbl oil · 6.56K mcf gas
- Diamondback E&P LLCJan 2021 → Nov 2026 · 71 mo19.9K bbl oil · 24.7K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 2
- Plugged
- 1
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 Aug 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-10-37174, documented in the API reference.