LEASES · O-10-44755 · OIL · DISTRICT 08

Ratliff F

Reporting

COG Operating LLC · Ector County · Spraberry (Trend Area) field

Ratliff F is an RRC oil lease (O-10-44755) in Ector County operated by Cog Operating LLC, with 2 wells completed on it.

It has reported 122K barrels of oil and 338K mcf of gas since October 2013, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 814 barrels of oil, down 61% on the year before; the lease peaked at 10.1K barrels in January 2014.

2 operators have filed production on it, most recently Cog Operating LLC since October 2016.

122K
bbl oil, all reported
338K
mcf gas incl. casinghead
814
bbl oil, last 12 reported
-61%
vs the 12 before
2
wells completed on it
10.1K
peak month, bbl (Jan 2014)

PDQ LEASE REPORTS · FIRST OCT 2013 · LAST VOLUME MAR 2026 · 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 814 · prior 12 2,114(-61%)

02K4K6K2017201820192020202120222023202420252026

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 1,207 · prior 12 1,668(-28%)

02K4K6K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.

Who reported it

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

  1. Reliance Energy, Inc.Oct 2013 → Sep 2016 · 36 mo
  2. COG Operating LLCOct 2016 → Jul 2026 · 118 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Shut In
2

Operates them now

Newest permits

All 2 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-10-44755, documented in the API reference.