LEASES · O-10-36997 · OIL · DISTRICT 08

Butler Grayburg

Reporting

Oxyrock Operating, LLC · Glasscock County · W. Z. B. (Grayburg) field

Butler Grayburg is an RRC oil lease (O-10-36997) in Glasscock County operated by Oxyrock Operating, LLC, with 2 wells completed on it.

It has reported 21.5K barrels of oil and 11.2K mcf of gas since November 2002, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 658 barrels of oil, down 72% on the year before; the lease peaked at 512 barrels in July 2024.

4 operators have filed production on it, most recently Oxyrock Operating, LLC since August 2024.

21.5K
bbl oil, all reported
11.2K
mcf gas incl. casinghead
658
bbl oil, last 12 reported
-72%
vs the 12 before
2
wells completed on it
512
peak month, bbl (Jul 2024)

PDQ LEASE REPORTS · FIRST NOV 2002 · 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 658 · prior 12 2,331(-72%)

02004006002017201820192020202120222023202420252026

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 1,325 · prior 12 1,875(-29%)

01K2K2017201820192020202120222023202420252026

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. Arkland Producing Co., Inc.Nov 2002 → May 2018 · 187 mo
  2. DE3 Operating LLCJun 2018 → Apr 2020 · 23 mo
  3. Crownquest Operating, LLCMay 2020 → Jul 2024 · 51 mo
  4. Oxyrock Operating, LLCAug 2024 → Jul 2026 · 24 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
1
NO Type on File
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 Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

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