WELL · 42-461-40791 · DISTRICT 7

Pegasus Spraberry Unit #5708D

Y

Upton County · Pegasus (Ellenburger) field · Injection  · Vertical

Pegasus Spraberry Unit #5708D (API 42-461-40791) is a well in Upton County operated by Cog Operating LLC, completed November 25, 2018 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 16, 2018, permitted to 15,500 ft.

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

No lease production has been reported under this well’s leases.

It holds an active disposal or injection permit, with 2.38M barrels injected in the 12 months reported through August 2025; TexNet located 1 M2+ earthquakes within 10 km over the last two years.

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 reportsnone
Latest permitCOG Operating LLCMar 16, 2018
15,500
total depth, ft
2
permits on file
Mar 16, 2018
last permit issued
Nov 25, 2018
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 25, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.606855, -102.117666

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pegasus Spraberry Unit O-9-20239Pegasus (Ellenburger)COG Operating LLC200Nov 2018 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
837606-98DrillCOG Operating LLCMay 10, 2018Mar 16, 2018Oct 15, 201815,500
837606-99DrillCOG Operating LLCMar 16, 2018Mar 16, 2018Oct 15, 201815,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-20239————

Formation tops

As filed on W-2/G-1. Subsea from 2,849 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,692157
Grayburg4,722-1,873
San AndresSAN ANDRES - SALTWATER FLOW4,776-1,927
Spraberry7,673-4,824
Wolfcamp9,614-6,765
Strawn10,335-7,486
Devonian11,624-8,775
Fusselman12,354-9,505
Ellenburger13,064-10,215

Perforations

Perforated and open-hole intervals.

FromToType
13,13314,213Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,76517.51,450 S
9.6259,50512.25960 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
00May 17, 2019Mar 12, 2019Yes

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 →

Hall Powell P442-461-41712

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

Yates2,687165
Grayburg3,193-341
San Andres4,776-1,924
Spraberry7,684-4,832
Devonian—
Ellenburger—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41706

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

Yates2,688164
Grayburg3,193-341
San Andres4,775-1,923
Spraberry7,686-4,834
Devonian—
Strawn—
Wolfcamp—
Ellenburger—

9 TOPS · FIRST 8

Hall Powell P342-461-41713

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

Yates2,688164
Grayburg3,193-341
San Andres4,774-1,922
Spraberry7,688-4,836
Ellenburger—
Devonian—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41707

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

Yates2,695157
Grayburg3,200-348
San Andres4,775-1,923
Spraberry7,694-4,842
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Hall Powell P242-461-41714

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

Yates2,695157
Grayburg3,200-348
San Andres4,775-1,923
Spraberry7,694-4,842
Devonian—
Ellenburger—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

Hall Powell P142-461-41716

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

Yates2,696156
Grayburg3,200-348
San Andres4,774-1,922
Spraberry7,606-4,754
Devonian—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41708

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

Yates2,696156
Grayburg3,200-348
San Andres4,774-1,922
Spraberry7,695-4,843
Ellenburger—
Fusselman—
Strawn—
Wolfcamp—

9 TOPS · FIRST 8

Hall-Powell42-461-40766

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

Yates2,691164
Grayburg4,721-1,866
San Andres4,775-1,920
Spraberry7,672-4,817
Wolfcamp9,613-6,758
Strawn10,334-7,479
Devonian11,623-8,768
Fusselman12,353-9,498

9 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

2.38M
bbl, last 12 reported months
17.2M
bbl, all reported
Aug 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000116371H-1 InjectionActive30,0006,55013,100–14,600

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 2,380,449 · prior 12 2,883,802(-17%)

0200K400K20242025

TexNet catalog via USGS

Seismicity near this well

1
M2+ events within 10 km, last 2 years
M2.0
largest

A proximity count, not an attribution. How to read it →

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/46140791, documented in the API reference.