LEASES · O-10-49132 · OIL · DISTRICT 08

Spanish Trail 3-10 HZ Unit

No volume since Mar 2023

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

Spanish Trail 3-10 HZ Unit is an RRC oil lease (O-10-49132) in Midland County operated by Cog Operating LLC, with 18 wells completed on it.

It has reported 4.33M barrels of oil and 8.91M mcf of gas since December 2016, last reporting volume in March 2023 (statewide data runs through April 2026).

The last 12 reported months total 56.5K barrels of oil, down 79% on the year before; the lease peaked at 155K barrels in June 2019.

2 operators have filed production on it, most recently Cog Operating LLC since August 2018.

4.33M
bbl oil, all reported
8.91M
mcf gas incl. casinghead
56.5K
bbl oil, last 12 reported
-79%
vs the 12 before
18
wells completed on it
155K
peak month, bbl (Jun 2019)

PDQ LEASE REPORTS · FIRST DEC 2016 · LAST VOLUME MAR 2023 · 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 56,518 · prior 12 274,009(-79%)

0100K200K2017201820192020202120222023

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 320,659 · prior 12 1,526,735(-79%)

0100K200K2017201820192020202120222023

Who reported it

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

  1. RSP Permian, LLCDec 2016 → Jul 2018 · 20 mo
  2. COG Operating LLCAug 2018 → Dec 2023 · 65 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

18

wells completed on the lease

Not on Schedule
18

Operates them now

Newest permits

All 18 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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