LEASES · O-8-2972 · OIL · DISTRICT 7B

Cox, E. S.

No volume since Aug 2001

Grayrock Energy II, LLC · Nolan County · Lake Trammel (Strawn Reef) field

Cox, E. S. is an RRC oil lease (O-8-2972) in Nolan County operated by Grayrock Energy II, LLC, with 3 wells completed on it.

It has reported 3.12K barrels of oil and 1.32K mcf of gas since January 1993, last reporting volume in August 2001 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in August 2001.

8 operators have filed production on it, most recently Grayrock Energy II, LLC since January 2024.

3.12K
bbl oil, all reported
1.32K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
3
wells completed on it
324
peak month, bbl (Mar 2001)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME AUG 2001 · 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. Eldorado Operating Co.Jan 1993 → Oct 1995 · 34 mo
  2. Brothers Operating Company Inc.Nov 1995 → Apr 2003 · 90 mo
  3. Shenandoah Petroleum CorporationMay 2003 → Jan 2004 · 9 mo
  4. L.C.S. Production CompanyFeb 2004 → Apr 2009 · 63 mo
  5. Plantation Operating, LLCMay 2009 → Nov 2011 · 31 mo
  6. Merit Energy CompanyDec 2011 → May 2017 · 66 mo
  7. Rover Petroleum Operating, LLCJun 2017 → Dec 2023 · 79 mo
  8. Grayrock Energy II, LLCJan 2024 → Jul 2026 · 31 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

3

wells completed on the lease

Shut IN
1
Plugged
1
NO Type on File
1

Operates them now

Newest permits

All 3 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-8-2972, documented in the API reference.