Petrora

LEASES · O-4-7849 · OIL · DISTRICT 04

McLean, Marrs

No volume since May 2006

Opex Energy, LLC · Starr County · Lockhart (Yegua F Seg 2) field

Mclean, Marrs is an RRC oil lease (O-4-7849) in Starr County operated by Opex Energy, LLC, with one well completed on it.

It has reported 14.8K barrels of oil and 77.9K mcf of gas since January 1993, last reporting volume in May 2006 (statewide data runs through April 2026).

The last 12 reported months total 97 barrels of oil, down 55% on the year before; the lease peaked at 232 barrels in February 1994.

8 operators have filed production on it, most recently Opex Energy, LLC since July 2004.

14.8K
bbl oil, all reported
77.9K
mcf gas incl. casinghead
97
bbl oil, last 12 reported
-55%
vs the 12 before
1
wells completed on it
232
peak month, bbl (Feb 1994)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAY 2006 · 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 97 · prior 12 214(-55%)

01002003001997199819992000200120022003200420052006

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 26,807 · prior 12 31,953(-16%)

05K10K1997199819992000200120022003200420052006

Who reported it

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

  1. South Texas Limited PartnershipJan 1993 → Feb 1994 · 14 mo
  2. Washington Energy Expl., Inc.Mar 1994 → Jul 1994 · 5 mo
  3. Cabot Oil & Gas Production Corp.Aug 1994 → Feb 1996 · 19 mo
  4. Cabot Oil & Gas CorporationMar 1996 → Jan 1997 · 11 mo
  5. Ceniza Petroleum, Inc.Feb 1997 → Jun 2002 · 65 mo
  6. FredcoJul 2002 → Feb 2003 · 8 mo
  7. White Oak Operating Company LLCMar 2003 → Jun 2004 · 16 mo
  8. Opex Energy, LLCJul 2004 → Oct 2006 · 28 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Type on File
1

Operates them now

Continental Operating Co.
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-4-7849, documented in the API reference.