Petrora

LEASES · O-10-1979 · OIL · DISTRICT 08

Butler, L. L.

Reporting

Cross Timbers Energy, LLC · Glasco (Devonian) field

Butler, L. L. is an RRC oil lease (O-10-1979) in the Glasco (Devonian) field operated by Cross Timbers Energy, LLC, with one well completed on it.

It has reported 305K barrels of oil and 35 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 4.84K barrels of oil, down 17% on the year before; the lease peaked at 1.32K barrels in December 1993.

3 operators have filed production on it, most recently Cross Timbers Energy, LLC since December 2013.

305K
bbl oil, all reported
35
mcf gas incl. casinghead
4.84K
bbl oil, last 12 reported
-17%
vs the 12 before
1
wells completed on it
1.32K
peak month, bbl (Dec 1993)

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 4,839 · prior 12 5,820(-17%)

05001K1.5K2017201820192020202120222023202420252026

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

012017201820192020202120222023202420252026

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. Cross Timbers Operating CompanyJan 1993 → May 2001 · 101 mo
  2. XTO Energy Inc.Jun 2001 → Nov 2013 · 150 mo
  3. Cross Timbers Energy, LLCDec 2013 → Jul 2026 · 152 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Producing
1

Operates them now

Cross Timbers Energy LLC
1

Newest permits

  • — #1—

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-10-1979, documented in the API reference.