WELL · 42-461-42581 · DISTRICT 7
Sinclair 57 H2 #601LH
Upton County · Pegasus (Consolidated) field · Producing · Horizontal
Sinclair 57 H2 #601LH (API 42-461-42581) is a horizontal well in Upton County operated by Cog Operating LLC, completed August 14, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 20, 2023, permitted to 12,000 ft.
Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 255K barrels of oil and 549K mcf of gas since March 2024, last reporting in July 2026.
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 20, 2023 |
- 12,000
- total depth, ft
- 2
- permits on file
- Oct 20, 2023
- last permit issued
- Aug 14, 2024
- completed
- 255K
- cumulative oil, bbl
- 549K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2024 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 14, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.594182, -102.126440
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sinclair 57 H2 O-9-22593 | Pegasus (Consolidated) | COG Operating LLC | 1 | 255K | 549K | Mar 2024 – Jul 2026 |
Oil, barrels lease total
Last 12 months 77,536 · prior 12 177,524(-56%)
Gas, mcf lease total
Last 12 months 289,942 · prior 12 258,988(+12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCAug 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 894156-98 | Drill | COG Operating LLC | Oct 27, 2025 | Oct 20, 2023 | Dec 6, 2023 | 8,880 |
| 894156-99 | Drill | COG Operating LLC | Sep 28, 2023 | Oct 20, 2023 | Dec 6, 2023 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-22593 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,710 | 135 |
| Grayburg | 4,761 | -1,916 |
| San AndresSAN ANDRES - SALTWATER FLOW | 4,817 | -1,972 |
| Spraberry | 6,887 | -4,042 |
| Spraberry | 7,702 | -4,857 |
| Devonian | — | — |
| Ellenburger | — | — |
| Fusselman | — | — |
| Strawn | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,152 | 19,573 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 992 | 17.5 | 850 S |
| 9.625 | 8,134 | 12.25 | 1,635 S |
| 5.5 | 19,668 | 8.5 | 2,515 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 | Dec 17, 2025 | Dec 16, 2024 | — |
| 00 | Jun 19, 2024 | Jun 4, 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 42-461-42581 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-42581 → 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.
Pegasus Spraberry Unit42-461-42575
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,696 | 49 |
| Grayburg | 4,748 | -2,003 |
| San Andres | 4,807 | -2,062 |
| Spraberry | 6,882 | -4,137 |
| Ellenburger | — | |
| Wolfcamp | — | |
| Strawn | — | |
| Devonian | — |
9 TOPS · FIRST 8
Sinclair 57 H942-461-42582
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,711 | 134 |
| Grayburg | 4,762 | -1,917 |
| San Andres | 4,816 | -1,971 |
| Spraberry | 6,889 | -4,044 |
| Wolfcamp | 9,136 | -6,291 |
| Ellenburger | — | |
| Devonian | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Pegasus Spraberry Unit42-461-42574
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,711 | 134 |
| Grayburg | 4,761 | -1,916 |
| San Andres | 4,815 | -1,970 |
| Spraberry | 7,702 | -4,857 |
| Devonian | — | |
| Fusselman | — | |
| Strawn | — | |
| Wolfcamp | — |
9 TOPS · FIRST 8
Sinclair 57 H142-461-42580
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,711 | 134 |
| San Andres | 3,122 | -277 |
| Grayburg | 4,761 | -1,916 |
| Spraberry | 7,703 | -4,858 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — | |
| Strawn | — |
9 TOPS · FIRST 8
Sinclair 57 H1042-461-42583
0.0 KM · COG Operating LLC · Section with this well →
| Yates | 2,710 | 135 |
| Grayburg | 4,760 | -1,915 |
| San Andres | 4,815 | -1,970 |
| Spraberry | 6,888 | -4,043 |
| Wolfcamp | 9,126 | -6,281 |
| Devonian | — | |
| Ellenburger | — | |
| Fusselman | — |
9 TOPS · FIRST 8
Sinclair 57 H342-461-42584
0.4 KM · COG Operating LLC · Section with this well →
| Yates | 2,696 | 148 |
| Grayburg | 4,748 | -1,904 |
| San Andres | 4,807 | -1,963 |
| Spraberry | 6,880 | -4,036 |
| Devonian | — | |
| Ellenburger | — | |
| Wolfcamp | — | |
| Strawn | — |
9 TOPS · FIRST 8
Pegasus Spraberry Unit42-461-42576
0.4 KM · COG Operating LLC · Section with this well →
| Yates | 2,695 | 149 |
| Grayburg | 4,745 | -1,901 |
| San Andres | 4,802 | -1,958 |
| Spraberry | 6,882 | -4,038 |
| Strawn | — | |
| Devonian | — | |
| Wolfcamp | — | |
| Ellenburger | — |
9 TOPS · FIRST 8
Sinclair 57 H1142-461-42587
0.4 KM · COG Operating LLC · Section with this well →
| Yates | 2,696 | 148 |
| Grayburg | 4,747 | -1,903 |
| San Andres | 4,806 | -1,962 |
| Spraberry | 6,881 | -4,037 |
| Wolfcamp | 9,113 | -6,269 |
| Devonian | — | |
| Fusselman | — | |
| Strawn | — |
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/46142581, documented in the API reference.