LEASES · O-9-4116 · OIL · DISTRICT 7C

Pegasus Spraberry Unit

No volume since Apr 2010

COG Operating LLC · Upton County and Midland · Pegasus (Spraberry) field

Pegasus Spraberry Unit is an RRC oil lease (O-9-4116) in Upton County operated by Cog Operating LLC, with 107 wells completed on it.

It has reported 2.96M barrels of oil and 2.76M mcf of gas since January 1993, last reporting volume in April 2010 (statewide data runs through April 2026).

The last 12 reported months total 99.9K barrels of oil, down 26% on the year before; the lease peaked at 24.8K barrels in July 1995.

4 operators have filed production on it, most recently Cog Operating LLC since January 2009.

2.96M
bbl oil, all reported
2.76M
mcf gas incl. casinghead
99.9K
bbl oil, last 12 reported
-26%
vs the 12 before
107
wells completed on it
24.8K
peak month, bbl (Jul 1995)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME APR 2010 · 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 99,895 · prior 12 135,903(-26%)

010K20K2001200220032004200520062007200820092010

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 98,034 · prior 12 137,185(-29%)

010K20K2001200220032004200520062007200820092010

Who reported it

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

  1. Mobil Producing TX. & N.M. Inc.Jan 1993 → Mar 1998 · 63 mo
  2. Henry Petroleum Corp.Apr 1998 → Mar 2001 · 36 mo
  3. Henry Petroleum LPApr 2001 → Dec 2008 · 93 mo
  4. COG Operating LLCJan 2009 → Jul 2010 · 19 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

107

wells completed on the lease

Plugged
54
NO Type on File
53

Newest permits

All 107 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-9-4116, documented in the API reference.