Petrora

LEASES · O-10-33138 · OIL · DISTRICT 08

Graves C

Reporting

Diamondback E&P LLC · Martin County · Spraberry (Trend Area) field

Graves C is an RRC oil lease (O-10-33138) in Martin County operated by Diamondback E&P LLC, with one well completed on it.

It has reported 37K barrels of oil and 36.9K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 1.64K barrels of oil, down 15% on the year before; the lease peaked at 861 barrels in September 2022.

6 operators have filed production on it, most recently Diamondback E&P LLC since January 2025.

37K
bbl oil, all reported
36.9K
mcf gas incl. casinghead
1.64K
bbl oil, last 12 reported
-15%
vs the 12 before
1
wells completed on it
861
peak month, bbl (Sep 2022)

PDQ LEASE REPORTS · FIRST JAN 1993 · 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 1,637 · prior 12 1,930(-15%)

05001K2017201820192020202120222023202420252026

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 0

01002002017201820192020202120222023202420252026

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.

  1. Parker & Parsley Development Co.Jan 1993 → Feb 1995 · 26 mo
  2. Parker & Parsley Development L.PMar 1995 → Aug 1997 · 30 mo
  3. Pioneer Natural Res. USA, Inc.Sep 1997 → Jan 2022 · 293 mo
  4. Lario Oil & Gas CompanyFeb 2022 → Nov 2022 · 10 mo
  5. Endeavor Energy Resources L.P.Dec 2022 → Dec 2024 · 25 mo
  6. Diamondback E&P LLCJan 2025 → Jul 2026 · 19 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Producing
1

Operates them now

Diamondback E&P LLC
1

Newest permits

All 1 wells, searchable →

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-10-33138, documented in the API reference.