WELL · 42-461-01080 · DISTRICT 7
Pegasus Pennsylvanian Unit #2302
Upton County · Pegasus (Pennsylvanian) field · Vertical
Pegasus Pennsylvanian Unit #2302 (API 42-461-01080) is a well in Upton County operated by Cog Operating LLC, completed September 26, 1979.
The RRC has issued 2 drilling permits between 1979 and 1985, permitted to 13,285 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Pennsylvanian, Devonian, Ellenburger.
Its lease has reported 3.9M barrels of oil and 36.2M mcf of gas since January 1993, last reporting in July 2026. The lease carries 89 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | XTO Energy Inc.through Apr 2026 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Jun 6, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,285
- total depth, ft
- 2
- permits on file
- Jun 6, 1985
- last permit issued
- Sep 26, 1979
- completed
- 3.9M
- cumulative oil, bbl
- 36.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 26, 1979
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 89 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pegasus Ellenburger Unit O-9-1175 | Pegasus (Ellenburger) | XTO Energy Inc. | 89 | 3.9M | 36.2M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,622 · prior 12 7,205(-8%)
Gas, mcf lease total
Last 12 months 2,180 · prior 12 2,135(+2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Dec 2011
- 2XTO Energy Inc.Jan 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 277007-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Jun 5, 1985 | Jun 6, 1985 | — | 13,285 |
| 56962-99 | Recompletion | Mobil Oil Corporation | Aug 31, 1979 | Aug 31, 1979 | — | 13,170 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-1175 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,872 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,626 | -4,754 |
| Pennsylvanian | 10,043 | -7,171 |
| Devonian | 11,329 | -8,457 |
| Ellenburger | 12,740 | -9,868 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,700 | 12,002 | Perforated |
| 12,728 | 12,835 | Perforated |
| 12,857 | 12,870 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 461 | — | — |
| 13.375 | 466 | — | — |
| 9.625 | 4,753 | — | — |
| 9.625 | 4,769 | — | — |
| 7.625 | 9,248 | — | — |
| 2.375 | 10,172 | — | — |
| 7.625 | 12,871 | — | — |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 19, 1986 | Apr 23, 1986 | — |
| 00 | Feb 7, 1986 | Dec 2, 1985 | Yes |
| 00 | Feb 4, 1986 | — | — |
| 00 | Jan 12, 1984 | Oct 16, 1979 | — |
| 00 | Jan 12, 1984 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-461-01080 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-01080 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/46101080, documented in the API reference.