LEASES · O-9-16760 · OIL · DISTRICT 7C
Ross 40
No volume since Dec 2024Diamondback E&P LLC · Upton County · Spraberry (Trend Area) field
Ross 40 is an RRC oil lease (O-9-16760) in Upton County operated by Diamondback E&P LLC, with 8 wells completed on it.
It has reported 329K barrels of oil and 492K mcf of gas since October 2008, last reporting volume in December 2024 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in December 2024.
4 operators have filed production on it, most recently Diamondback E&P LLC since May 2025.
- 329K
- bbl oil, all reported
- 492K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- -100%
- vs the 12 before
- 8
- wells completed on it
- 7.55K
- peak month, bbl (Jan 2013)
PDQ LEASE REPORTS · FIRST OCT 2008 · LAST VOLUME DEC 2024 · 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 0 · prior 12 1,037(-100%)
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 33(-100%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Mariner Energy, Inc.Oct 2008 → Nov 2010 · 26 mo
- Apache CorporationDec 2010 → Jan 2023 · 146 mo
- DE IV Operating, LLCFeb 2023 → Apr 2025 · 27 mo
- Diamondback E&P LLCMay 2025 → Jul 2026 · 15 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
8
wells completed on the lease
- Shut IN
- 6
- 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-9-16760, documented in the API reference.