WELL · 42-461-42591 · DISTRICT 7

Sinclair 57 H13 #607BH

Y

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

Sinclair 57 H13 #607BH (API 42-461-42591) is a horizontal well in Upton County operated by Cog Operating LLC, completed July 12, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 6, 2023, permitted to 12,000 ft.

Completion filings report 9 formation tops, including Yates, Grayburg, San Andres, Spraberry.

Its lease has reported 241K barrels of oil and 883K 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 6, 2023
12,000
total depth, ft
2
permits on file
Oct 6, 2023
last permit issued
Jul 12, 2024
completed
241K
cumulative oil, bbl
883K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 12, 2024
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.596524, -102.116838

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 H13 O-9-22621Pegasus (Consolidated)COG Operating LLC1241K883KFeb 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 65,541 · prior 12 175,444(-63%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 392,779 · prior 12 490,329(-20%)

050K100K202420252026

Chain of custody

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

  1. 1COG Operating LLCJul 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
894191-98DrillCOG Operating LLCOct 27, 2025Oct 6, 2023Nov 28, 20239,530
894191-99DrillCOG Operating LLCSep 28, 2023Oct 6, 2023Nov 28, 202312,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22621————

Formation tops

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

FormationMD ftSubsea
Yates2,691154
Grayburg4,742-1,897
San AndresSAN ANDRES - SALTWATER FLOW4,781-1,936
Spraberry6,881-4,036
Spraberry7,702-4,857
Wolfcamp9,115-6,270
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,82717,539Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37598717.5784 S
9.6258,85712.251,395 S
5.517,6518.752,340 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
00Jan 29, 2026Dec 9, 2024—
00Jul 11, 2024Jun 18, 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 →

Sinclair 57 H742-461-42589

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

Yates2,690155
Grayburg4,741-1,896
San Andres4,767-1,922
Spraberry6,877-4,032
Devonian—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Sinclair 57 H1242-461-42590

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

Yates2,694151
Grayburg4,745-1,900
San Andres4,800-1,955
Spraberry6,887-4,042
Wolfcamp9,115-6,270
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Sinclair 57 H642-461-42588

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

Yates2,692153
Grayburg4,744-1,899
San Andres4,790-1,945
Spraberry6,885-4,040
Wolfcamp—
Fusselman—
Strawn—
Devonian—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-42578

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

Yates2,694151
Grayburg4,745-1,900
San Andres4,797-1,952
Spraberry6,887-4,042
Fusselman—
Strawn—
Devonian—
Ellenburger—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-42579

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

Yates2,689156
Grayburg4,742-1,897
San Andres4,772-1,927
Spraberry6,881-4,036
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-40772

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

Yates2,685157
Grayburg4,066-1,224
San Andres4,785-1,943
Spraberry7,679-4,837
Wolfcamp9,121-6,279
Strawn10,426-7,584
Devonian11,763-8,921
Fusselman12,485-9,643

9 TOPS · FIRST 8

Sinclair 57 H542-461-42586

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

Yates2,694150
Grayburg4,741-1,897
San Andres4,801-1,957
Spraberry6,882-4,038
Fusselman—
Devonian—
Ellenburger—
Wolfcamp—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-42577

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

Yates2,695149
Grayburg4,742-1,898
San Andres4,799-1,955
Spraberry6,883-4,039
Strawn—
Devonian—
Wolfcamp—
Ellenburger—

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

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