Petrora

LEASES · O-10-35697 · OIL · DISTRICT 08

S. W. Ratliff -L-

No volume since Oct 2015

COG Operating LLC · Ector County · Headlee, N. (Devonian) field

S. W. Ratliff -L- is an RRC oil lease (O-10-35697) in Ector County operated by Cog Operating LLC, with one well completed on it.

It has reported 28.4K barrels of oil and 274K mcf of gas since March 1998, last reporting volume in October 2015 (statewide data runs through April 2026).

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

7 operators have filed production on it, most recently Cog Operating LLC since February 2012.

28.4K
bbl oil, all reported
274K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
715
peak month, bbl (Jan 2003)

PDQ LEASE REPORTS · FIRST MAR 1998 · LAST VOLUME OCT 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. Union Pacific Resources CompanyMar 1998 → Jan 2001 · 35 mo
  2. Rme Petroleum CompanyFeb 2001 → Nov 2002 · 22 mo
  3. Anadarko E&P Company LPDec 2002 → Nov 2004 · 24 mo
  4. Merit Energy CompanyDec 2004 → Jul 2010 · 68 mo
  5. PDC-WV-Co CorporationAug 2010 → Aug 2010 · 1 mo
  6. PDC EnergySep 2010 → Jan 2012 · 17 mo
  7. COG Operating LLCFeb 2012 → Jul 2026 · 174 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

Slant Operating, LLC
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-10-35697, documented in the API reference.