WELL · 42-461-41639 · DISTRICT 7

Fraser TXL State B8 #4903LH

Y

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

Fraser Txl State B8 #4903LH (API 42-461-41639) is a horizontal well in Upton County operated by Cog Operating LLC, completed June 6, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued December 22, 2020, permitted to 12,000 ft.

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

Its lease has reported 332K barrels of oil and 804K mcf of gas since September 2021, 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 LLCDec 22, 2020
12,000
total depth, ft
1
permits on file
Dec 22, 2020
last permit issued
Jun 6, 2022
completed
332K
cumulative oil, bbl
804K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2021 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 6, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.592843, -102.141417

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
Fraser TXL State B8 O-9-21569Pegasus (Consolidated)COG Operating LLC1332K804KSep 2021 – Jul 2026

Oil, barrels lease total

Last 12 months 23,378 · prior 12 40,001(-42%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 128,319 · prior 12 126,731(+1%)

010K20K30K202420252026

Chain of custody

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

  1. 1COG Operating LLCJun 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
866586-99DrillCOG Operating LLCDec 17, 2020Dec 22, 2020May 21, 202112,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-21569————

Formation tops

As filed on W-2/G-1. Subsea from 2,856 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,715141
Yates2,716140
Grayburg4,243-1,387
San AndresSAN ANDRES - SALTWATER FLOW4,815-1,959
Spraberry7,691-4,835
Devonian——
Ellenburger——
Fusselman——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
9,09219,074Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37551017.5550 S
9.6258,20712.252,440 S
5.519,1748.52,730 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
00Nov 9, 2022Sep 14, 2022Yes
00Apr 11, 2022Mar 15, 2022Yes

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 Unit42-461-41618

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

Yates2,712144
Grayburg4,230-1,374
San Andres4,812-1,956
Spraberry7,681-4,825
Strawn—
Wolfcamp—
Devonian—
Ellenburger—

9 TOPS · FIRST 8

Fraser TXL B942-461-41648

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

Yates2,711145
Grayburg4,287-1,431
San Andres4,805-1,949
Spraberry7,693-4,837
Devonian—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41619

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

Yates2,711145
Grayburg4,238-1,382
San Andres4,810-1,954
Spraberry7,684-4,828
Wolfcamp—
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

Fraser TXL B742-461-41627

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

Yates2,719137
Grayburg4,212-1,356
San Andres4,820-1,964
Spraberry7,683-4,827
Wolfcamp9,099-6,243
Ellenburger—
Strawn—
Devonian—

9 TOPS · FIRST 8

Fraser TXL B642-461-41623

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

Yates2,716140
Grayburg4,174-1,318
San Andres4,819-1,963
Spraberry7,671-4,815
Strawn—
Fusselman—
Wolfcamp—
Ellenburger—

9 TOPS · FIRST 8

Carbon 12-13 Unit 242-461-41697

0.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Yates2,722133
Grayburg4,749-1,894
San Andres5,306-2,451
Spraberry7,686-4,831
Jo Mill8,527-5,672
Strawn—
Wolfcamp—
Devonian—

10 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41617

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

Yates2,720136
Grayburg4,166-1,310
San Andres4,826-1,970
Spraberry7,673-4,817
Ellenburger—
Devonian—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

Carbon 12-13 Unit 242-461-41698

0.3 KM · Endeavor Energy Resources L.P. · Section with this well →

Yates2,722133
Seven Rivers3,136-281
Queen3,981-1,126
Grayburg4,750-1,895
San Andres5,304-2,449
Glorieta6,038-3,183
Clear Fork6,892-4,037
Spraberry7,689-4,834

14 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/46141639, documented in the API reference.