LEASES · O-9-17143 · OIL · DISTRICT 7C

Sutherland

Reporting

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

Sutherland is an RRC oil lease (O-9-17143) in Upton County operated by Cog Operating LLC, with 5 wells completed on it.

It has reported 152K barrels of oil and 450K mcf of gas since March 2010, last reporting volume in October 2025 (statewide data runs through April 2026).

It reported 730 barrels of oil in the 12 months through April 2026, down 90% on the year before; the lease peaked at 3.51K barrels in May 2013.

152K
bbl oil, all reported
450K
mcf gas incl. casinghead
730
bbl oil, 12 months through Apr 2026
-90%
vs the 12 before
5
wells completed on it
3.51K
peak month, bbl (May 2013)

PDQ LEASE REPORTS · FIRST MAR 2010 · LAST VOLUME OCT 2025 · 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.

12 months through Apr 2026 730 · prior 12 6,954(-90%)

01K2K2017201820192020202120222023202420252026

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.

12 months through Apr 2026 2,628 · prior 12 26,583(-90%)

05K10K2017201820192020202120222023202420252026

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. COG Operating LLCMar 2010 → Jul 2026 · 197 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

5

wells completed on the lease

Shut In
4
Plugged
1

Operates them now

Newest permits

All 5 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.

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