Petrora

LEASES · O-1-4586 · OIL · DISTRICT 01

Halff & Oppenheimer -C-

No volume since Sep 2015

Maverick Energy Group, Inc. · Frio County · Pearsall (Austin Chalk) field

Halff & Oppenheimer -C- is an RRC oil lease (O-1-4586) in Frio County operated by Maverick Energy Group, Inc., with 5 wells completed on it.

It has reported 27.1K barrels of oil and 236K mcf of gas since January 1993, last reporting volume in September 2015 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in September 2015.

9 operators have filed production on it, most recently Maverick Energy Group, Inc. since February 2018.

27.1K
bbl oil, all reported
236K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
5
wells completed on it
686
peak month, bbl (Sep 2010)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME SEP 2015 · 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 0 · prior 12 0

012017201820192020202120222023202420252026

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

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Valence Operating CompanyJan 1993 → Mar 1993 · 3 mo
  2. Frio SWD, Inc.Apr 1993 → Jul 1994 · 16 mo
  3. Colt Operating CorporationAug 1994 → Mar 1995 · 8 mo
  4. S & L Oil Field ServicesApr 1995 → May 1998 · 38 mo
  5. Williams Kolb & Lindenborn, Inc.Jun 1998 → Jun 2000 · 25 mo
  6. Spur Operating Co.Jul 2000 → Feb 2012 · 140 mo
  7. Jenex Petroleum CorporationMar 2012 → Aug 2016 · 54 mo
  8. Jenco Petroleum CorporationSep 2016 → Jan 2018 · 17 mo
  9. Maverick Energy Group, Inc.Feb 2018 → Jul 2026 · 102 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

5

wells completed on the lease

Plugged
5

Operates them now

Maverick Energy Group Inc.
3
Lawbar Petroleum Inc.
2

Newest permits

  • 16330094 #1Jun 19, 1984
  • — #2—
  • — #3—
  • — #3C—
  • — #4—

All 5 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-1-4586, documented in the API reference.