WELL · 42-461-42579 · DISTRICT 7
Pegasus Spraberry Unit #607MH
Upton County · Pegasus (Consolidated) field · Producing · Horizontal
Pegasus Spraberry Unit #607MH (API 42-461-42579) is a horizontal well in Upton County operated by Cog Operating LLC, completed July 15, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 4, 2023, permitted to 12,000 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 12.2M barrels of oil and 20.4M mcf of gas since May 2010, last reporting in July 2026. The lease carries 97 wells, so these are lease totals, not this well alone.
Operator of record
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 | COG Operating LLCOct 4, 2023 |
- 12,000
- total depth, ft
- 2
- permits on file
- Oct 4, 2023
- last permit issued
- Jul 15, 2024
- completed
- 12.2M
- cumulative oil, bbl
- 20.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 15, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.596660, -102.116749
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Upton County.
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 97 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pegasus Spraberry Unit O-9-17147 | Pegasus (Consolidated) | COG Operating LLC | 97 | 12.2M | 20.4M | May 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,476,452 · prior 12 2,808,942(-47%)
Gas, mcf lease total
Last 12 months 4,272,339 · prior 12 4,462,482(-4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCMay 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 894179-98 | Drill | COG Operating LLC | Nov 3, 2025 | Oct 4, 2023 | Nov 30, 2023 | 8,191 |
| 894179-99 | Drill | COG Operating LLC | Sep 28, 2023 | Oct 4, 2023 | Nov 30, 2023 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-17147 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,689 | 156 |
| Grayburg | 4,742 | -1,897 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,772 | -1,927 |
| Spraberry | 6,881 | -4,036 |
| Spraberry | 7,702 | -4,857 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,377 | 18,768 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 984 | 17.5 | 784 S |
| 9.625 | 7,524 | 12.25 | 1,395 S |
| 5.5 | 18,864 | 8.5 | 2,510 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 | Nov 21, 2025 | Dec 8, 2024 | — |
| 00 | Jul 2, 2024 | Jun 18, 2024 | Yes |
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 42-461-42579 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42579 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Sinclair 57 H642-461-42588
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,692 | 153 |
| Grayburg | 4,744 | -1,899 |
| San Andres | 4,790 | -1,945 |
| Spraberry | 6,885 | -4,040 |
| Devonian | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Sinclair 57 H742-461-42589
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,690 | 155 |
| Grayburg | 4,741 | -1,896 |
| San Andres | 4,767 | -1,922 |
| Spraberry | 6,877 | -4,032 |
| Devonian | — | |
| Ellenburger | — | |
| Wolfcamp | — | |
| Strawn | — |
9 TOPS · FIRST 8
Sinclair 57 H1342-461-42591
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,691 | 154 |
| Grayburg | 4,742 | -1,897 |
| San Andres | 4,781 | -1,936 |
| Spraberry | 6,881 | -4,036 |
| Wolfcamp | 9,115 | -6,270 |
| Ellenburger | — | |
| Devonian | — | |
| Strawn | — |
9 TOPS · FIRST 8
Pegasus Spraberry Unit42-461-42578
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,694 | 151 |
| Grayburg | 4,745 | -1,900 |
| San Andres | 4,797 | -1,952 |
| Spraberry | 6,887 | -4,042 |
| Devonian | — | |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Sinclair 57 H1242-461-42590
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,694 | 151 |
| Grayburg | 4,745 | -1,900 |
| San Andres | 4,800 | -1,955 |
| Spraberry | 6,887 | -4,042 |
| Wolfcamp | 9,115 | -6,270 |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Pegasus Spraberry Unit42-461-40772
0.3 KM · COG Operating LLC · Section with this well →
| Yates | 2,685 | 157 |
| Grayburg | 4,066 | -1,224 |
| San Andres | 4,785 | -1,943 |
| Spraberry | 7,679 | -4,837 |
| Wolfcamp | 9,121 | -6,279 |
| Strawn | 10,426 | -7,584 |
| Devonian | 11,763 | -8,921 |
| Fusselman | 12,485 | -9,643 |
9 TOPS · FIRST 8
Pegasus Spraberry Unit42-461-42577
0.5 KM · COG Operating LLC · Section with this well →
| Yates | 2,695 | 149 |
| Grayburg | 4,742 | -1,898 |
| San Andres | 4,799 | -1,955 |
| Spraberry | 6,883 | -4,039 |
| Wolfcamp | — | |
| Strawn | — | |
| Fusselman | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Sinclair 57 H542-461-42586
0.5 KM · COG Operating LLC · Section with this well →
| Yates | 2,694 | 150 |
| Grayburg | 4,741 | -1,897 |
| San Andres | 4,801 | -1,957 |
| Spraberry | 6,882 | -4,038 |
| Ellenburger | — | |
| Devonian | — | |
| Strawn | — | |
| Fusselman | — |
9 TOPS · FIRST 8
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/46142579, documented in the API reference.