Petrora

LEASES · O-4-11256 · OIL · DISTRICT 04

Gillring Oil Co.

No volume reported

Wallis Energy, Inc. · Nueces County · Agua Dulce field

Gillring Oil CO. is an RRC oil lease (O-4-11256) in Nueces County operated by Wallis Energy, Inc., with one well completed on it.

It has filed production reports since January 1993 without reporting any volume.

5 operators have filed production on it, most recently Wallis Energy, Inc. since December 2025.

0
bbl oil, all reported
0
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME — · STATEWIDE DATA THROUGH APR 2026

Production reports are on file for this lease but none carries a volume.

Who reported it

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

  1. Gillring Oil CompanyJan 1993 → May 1994 · 17 mo
  2. Lomak Production CompanyJun 1994 → Aug 1998 · 51 mo
  3. Range Production CompanySep 1998 → Jul 2000 · 23 mo
  4. Pearl, Bill H. Productions, Inc.Aug 2000 → Nov 2025 · 304 mo
  5. Wallis Energy, Inc.Dec 2025 → Jul 2026 · 8 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Shut IN
1

Operates them now

Wallis Energy Inc.
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-4-11256, documented in the API reference.