LEASES · O-9-1178 · OIL · DISTRICT 7C
Pegasus Pennsylvanian Unit
No volume since Apr 2010COG Operating LLC · Upton County and Midland · Pegasus (Pennsylvanian) field
Pegasus Pennsylvanian Unit is an RRC oil lease (O-9-1178) in Upton County operated by Cog Operating LLC, with 99 wells completed on it.
It has reported 1.9M barrels of oil and 18.7M mcf of gas since January 1993, last reporting volume in April 2010 (statewide data runs through April 2026).
The last 12 reported months total 39.8K barrels of oil, down 32% on the year before; the lease peaked at 19.3K barrels in March 1993.
4 operators have filed production on it, most recently Cog Operating LLC since January 2009.
- 1.9M
- bbl oil, all reported
- 18.7M
- mcf gas incl. casinghead
- 39.8K
- bbl oil, last 12 reported
- -32%
- vs the 12 before
- 99
- wells completed on it
- 19.3K
- peak month, bbl (Mar 1993)
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 39,776 · prior 12 58,145(-32%)
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 881,847 · prior 12 1,224,674(-28%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Mobil Producing TX. & N.M. Inc.Jan 1993 → Mar 1998 · 63 mo
- Henry Petroleum Corp.Apr 1998 → Mar 2001 · 36 mo
- Henry Petroleum LPApr 2001 → Dec 2008 · 93 mo
- COG Operating LLCJan 2009 → Jul 2010 · 19 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
99
wells completed on the lease
- NO Type on File
- 59
- Plugged
- 40
Operates them now
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-9-1178, documented in the API reference.