WELL · 42-461-03333 · DISTRICT 7
Pegasus Spraberry Unit #4903
Upton County · Pegasus (Spraberry) field · Vertical
Pegasus Spraberry Unit #4903 (API 42-461-03333) is a plugged well in Upton County, plugged June 23, 1994, last operated by Cog Operating LLC.
The RRC has issued 2 drilling permits between 1978 and 1990, permitted to 13,195 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.
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 | none |
| Latest permit | Mobil Producing TX. & N.M. Inc.May 18, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,195
- total depth, ft
- 2
- permits on file
- May 18, 1990
- last permit issued
- Nov 10, 1978
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 10, 1978
- Shut in
- —
- Plugged
- Jun 23, 1994
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pegasus Field Unit 3 G-9-135033 | Pegasus (Devonian) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 0 | Jan 1993 – Jun 1994 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 373301-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | May 14, 1990 | May 18, 1990 | — | 13,142 |
| 34105-99 | Recompletion | Mobil Oil Corporation | Oct 5, 1978 | Oct 5, 1978 | — | 13,195 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-135033 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,652 | 8,352 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 474 | — | 400 S |
| 9.625 | 4,695 | — | 2,650 S |
| 2.375 | 8,342 | — | — |
| 7.625 | 9,325 | — | 1,550 S |
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 7, 1990 | Jun 11, 1990 | — |
| 00 | Jul 12, 1990 | — | — |
| 00 | Jan 12, 1984 | Mar 29, 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 42-461-03333 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-03333 → 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/46103333, documented in the API reference.