WELL · 42-461-42583 · DISTRICT 7

Sinclair 57 H10 #602BH

Y

Upton County · Pegasus (Consolidated) field · Producing  · Horizontal

Sinclair 57 H10 #602BH (API 42-461-42583) is a horizontal well in Upton County operated by Cog Operating LLC, completed August 6, 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 283K barrels of oil and 1.24M mcf of gas since February 2024, last reporting in July 2026.

Operator of record

COG Operating LLC

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 scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCOct 20, 2023
12,000
total depth, ft
2
permits on file
Oct 20, 2023
last permit issued
Aug 6, 2024
completed
283K
cumulative oil, bbl
1.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 6, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.594318, -102.126352

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sinclair 57 H10 O-9-22638Pegasus (Consolidated)COG Operating LLC1283K1.24MFeb 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 80,042 · prior 12 203,333(-61%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 653,188 · prior 12 584,511(+12%)

050K100K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1COG Operating LLCAug 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
894158-98DrillCOG Operating LLCOct 27, 2025Oct 20, 2023Dec 11, 20239,507
894158-99DrillCOG Operating LLCSep 28, 2023Oct 20, 2023Dec 11, 202312,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22638————

Formation tops

As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,710135
Grayburg4,760-1,915
San AndresSAN ANDRES - SALTWATER FLOW4,815-1,970
Spraberry6,888-4,043
Spraberry7,702-4,857
Wolfcamp9,126-6,281
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,65120,080Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37598717.5850 S
9.6258,84512.251,635 S
5.520,1728.52,770 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 12, 2025Dec 16, 2024—
00Jul 22, 2024Jun 6, 2024Yes

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.

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.

Open the cross-section →

Pegasus Spraberry Unit42-461-42574

0.0 KM · COG Operating LLC · Section with this well →

Yates2,711134
Grayburg4,761-1,916
San Andres4,815-1,970
Spraberry7,702-4,857
Ellenburger—
Fusselman—
Strawn—
Wolfcamp—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-42575

0.0 KM · COG Operating LLC · Section with this well →

Yates2,69649
Grayburg4,748-2,003
San Andres4,807-2,062
Spraberry6,882-4,137
Fusselman—
Devonian—
Strawn—
Wolfcamp—

9 TOPS · FIRST 8

Sinclair 57 H242-461-42581

0.0 KM · COG Operating LLC · Section with this well →

Yates2,710135
Grayburg4,761-1,916
San Andres4,817-1,972
Spraberry6,887-4,042
Ellenburger—
Devonian—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

Sinclair 57 H142-461-42580

0.0 KM · COG Operating LLC · Section with this well →

Yates2,711134
San Andres3,122-277
Grayburg4,761-1,916
Spraberry7,703-4,858
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Sinclair 57 H942-461-42582

0.0 KM · COG Operating LLC · Section with this well →

Yates2,711134
Grayburg4,762-1,917
San Andres4,816-1,971
Spraberry6,889-4,044
Wolfcamp9,136-6,291
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-42576

0.4 KM · COG Operating LLC · Section with this well →

Yates2,695149
Grayburg4,745-1,901
San Andres4,802-1,958
Spraberry6,882-4,038
Devonian—
Ellenburger—
Fusselman—
Wolfcamp—

9 TOPS · FIRST 8

Sinclair 57 H342-461-42584

0.4 KM · COG Operating LLC · Section with this well →

Yates2,696148
Grayburg4,748-1,904
San Andres4,807-1,963
Spraberry6,880-4,036
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Sinclair 57 H442-461-42585

0.4 KM · COG Operating LLC · Section with this well →

Yates2,695149
Grayburg4,745-1,901
San Andres4,802-1,958
Spraberry6,882-4,038
Fusselman—
Devonian—
Strawn—
Wolfcamp—

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/46142583, documented in the API reference.