WELL · 42-461-36146 · DISTRICT 7
Pegasus Field Unit 3 #4405
Upton County · Pegasus (Wolfcamp) field · Vertical
Pegasus Field Unit 3 #4405 (API 42-461-36146) is a well in Upton County operated by Cog Operating LLC, completed September 19, 2009.
The RRC has issued one drilling permit, issued October 9, 2008, permitted to 10,800 ft.
It was permitted by Henry Petroleum LP and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 30.7M barrels of oil and 144M mcf of gas since March 2004, last reporting in July 2026. The leases carry 161 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Henry Petroleum LP; 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 | COG Operating LLCthrough Apr 2026 |
| Latest permit | Henry Petroleum LPOct 9, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 1
- permits on file
- Oct 9, 2008
- last permit issued
- Sep 19, 2009
- completed
- 30.7M
- cumulative oil, bbl
- 144M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 19, 2009
- 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 2 leases this well is completed on; they carry 161 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pegasus Field Unit 3 O-9-17154 | Pegasus (Consolidated) | COG Operating LLC | 145 | 30.4M | 143M | May 2010 – Jul 2026 |
| Pegasus Field Unit 3 O-9-15528 | Pegasus (Wolfcamp) | COG Operating LLC | 16 | 289K | 831K | Mar 2004 – Sep 2010 |
Gas, mcf lease total
Last 12 months 10,622,441 · prior 12 11,560,238(-8%)
Oil, barrels lease total
Last 12 months 779,980 · prior 12 1,012,667(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Henry Petroleum LPMar 2004 → Dec 2008
- 2COG Operating LLCJan 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 672502-99 | Drill | Henry Petroleum LP | Oct 3, 2008 | Oct 9, 2008 | Aug 3, 2009 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-15528 | — | — | — | — |
| — | — O-9-17154 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,879 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,895 | -4,016 |
| Spraberry | 7,670 | -4,791 |
| Dean | 8,955 | -6,076 |
| Wolfcamp | 9,060 | -6,181 |
| WolfcampLOWER WOLFCAMP | 9,380 | -6,501 |
| Base Big Lime | 10,060 | -7,181 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,200 | 10,076 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 496 | 12.25 | 315 S |
| 5.5 | 10,226 | 7.875 | 755 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 | Jun 2, 2010 | Oct 29, 2009 | — |
| 00 | Jan 7, 2010 | Oct 29, 2009 | — |
| 00 | Nov 5, 2009 | — | — |
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 42-461-36146 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-36146 → 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/46136146, documented in the API reference.