LEASES · O-10-65245 · OIL · DISTRICT 08

Greystoke 1-5 D

Reporting

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

Greystoke 1-5 D is an RRC oil lease (O-10-65245) in Martin County operated by Diamondback E&P LLC, with 2 wells completed on it.

It has reported 293K barrels of oil and 367K mcf of gas since February 2026, last reporting volume in August 2026 (statewide data runs through August 2026).

It reported 293K barrels of oil in the 12 months through August 2026; the lease peaked at 60.6K barrels in May 2026.

293K
bbl oil, all reported
367K
mcf gas incl. casinghead
293K
bbl oil, 12 months through Aug 2026
—
vs the 12 before
2
wells completed on it
60.6K
peak month, bbl (May 2026)

PDQ LEASE REPORTS · FIRST FEB 2026 · 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 293,495

050K100K

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 367,144

050K100K

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.

  1. Diamondback E&P LLCFeb 2026 → Nov 2026 · 10 mo293K bbl oil · 367K mcf gas

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

Newest permits

All 2 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 Aug 2026. Wells from completion reports; operator runs from who filed each month's report.

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