LEASES · O-10-39131 · OIL · DISTRICT 08
Webb, Mary
ReportingDiamondback E&P LLC · Martin County · Spraberry (Trend Area) field
Webb, Mary is an RRC oil lease (O-10-39131) in Martin County operated by Diamondback E&P LLC, with 2 wells completed on it.
It has reported 106K barrels of oil and 637K mcf of gas since November 2008, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 2.48K barrels of oil, down 20% on the year before; the lease peaked at 2.59K barrels in November 2008.
6 operators have filed production on it, most recently Diamondback E&P LLC since February 2026.
- 106K
- bbl oil, all reported
- 637K
- mcf gas incl. casinghead
- 2.48K
- bbl oil, last 12 reported
- -20%
- vs the 12 before
- 2
- wells completed on it
- 2.59K
- peak month, bbl (Nov 2008)
PDQ LEASE REPORTS · FIRST NOV 2008 · 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 2,479 · prior 12 3,094(-20%)
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 1,180 · prior 12 7,580(-84%)
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.
- Meritage Energy Company, LLCNov 2008 → Feb 2010 · 16 mo
- Berry Oil Comp.Mar 2010 → Jun 2014 · 52 mo
- Linn Operating, Inc.Jul 2014 → Oct 2014 · 4 mo
- XTO Energy Inc.Nov 2014 → Mar 2025 · 125 mo
- Pbex-MCM Operating, LLCApr 2025 → Jan 2026 · 10 mo
- Diamondback E&P LLCFeb 2026 → Jul 2026 · 6 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- Producing
- 1
- Shut In
- 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 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-10-39131, documented in the API reference.