WELL · 42-461-03310 · DISTRICT 7
Pegasus Spraberry Unit #1604
Upton County · Pegasus (Spraberry) field · Vertical
Pegasus Spraberry Unit #1604 (API 42-461-03310) is a well in Upton County operated by Cog Operating LLC, completed June 30, 2000.
The RRC has issued one drilling permit, issued February 24, 2000, permitted to 13,064 ft.
It was permitted by Henry Petroleum Corp. and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Pennsylvanian, Spraberry, Wolfcamp, Devonian.
Its 3 leases have reported 19.1M barrels of oil and 59.4M mcf of gas since January 1993, last reporting in July 2026. The leases carry 293 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Henry Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Henry Petroleum Corp.Feb 24, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,064
- total depth, ft
- 1
- permits on file
- Feb 24, 2000
- last permit issued
- Jun 30, 2000
- completed
- 19.1M
- cumulative oil, bbl
- 59.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 30, 2000
- 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 3 leases this well is completed on; they carry 293 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 |
| Pegasus Spraberry Unit O-9-17147 | Pegasus (Consolidated) | COG Operating LLC | 97 | 12.2M | 20.4M | May 2010 – Jul 2026 |
| Pegasus Spraberry Unit O-9-4116 | Pegasus (Spraberry) | COG Operating LLC | 107 | 2.96M | 2.76M | Jan 1993 – Jul 2010 |
Oil, barrels lease total
Last 12 months 1,483,074 · prior 12 2,816,147(-47%)
Gas, mcf lease total
Last 12 months 4,274,519 · prior 12 4,464,617(-4%)
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
- 2Henry Petroleum Corp.Apr 1998 → Mar 2001
- 3Henry Petroleum LPApr 2001 → Dec 2008
- 4COG Operating LLCJan 2009 → Apr 2026
- 5XTO Energy Inc.Jan 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 492410-99 | Recompletion | Henry Petroleum Corp. | Feb 24, 2000 | Feb 24, 2000 | — | 13,064 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-1175 | — | — | — | — |
| — | — O-9-4116 | — | — | — | — |
| — | — O-9-17147 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,883 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pennsylvanian | 1,000 | 1,883 |
| Spraberry | 7,600 | -4,717 |
| Wolfcamp | 9,160 | -6,277 |
| Devonian | 11,240 | -8,357 |
| Montoya | 12,100 | -9,217 |
| Ellenburger | 12,765 | -9,882 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,599 | 7,776 | Perforated |
| 12,764 | 13,064 | Perforated |
| 12,764 | 13,064 | Open hole |
| — | 12,008 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 440 | 17.5 | 400 S |
| 13.375 | 440 | — | — |
| 9.625 | 4,805 | 12.25 | 3,300 S |
| 9.625 | 4,805 | — | 3,300 S |
| 7.875 | 9,262 | — | — |
| 9.625 | 9,265 | 8.75 | 1,430 S |
| 7.625 | 9,265 | 8.75 | 2,236 S |
| 5.5 | 12,764 | 6.75 | 885 S |
| 5.5 | 12,764 | — | — |
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 | Jun 2, 2010 | Mar 29, 2001 | — |
| 00 | Jul 26, 2001 | Mar 29, 2001 | — |
| 00 | Apr 28, 2000 | Feb 24, 2000 | Yes |
| 00 | Mar 14, 2000 | Nov 5, 1999 | — |
| 00 | Dec 9, 1999 | Nov 5, 1999 | — |
| 00 | Oct 26, 1987 | Oct 12, 1987 | — |
| 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 42-461-03310 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-03310 → 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/46103310, documented in the API reference.