WELL · 42-461-41707 · DISTRICT 7

Pegasus Spraberry Unit #3803MH

Y

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

Pegasus Spraberry Unit #3803MH (API 42-461-41707) is a horizontal well in Upton County operated by Cog Operating LLC, completed March 2, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 2, 2021, permitted to 12,000 ft.

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

Its lease has reported 12.2M barrels of oil and 20.4M mcf of gas since May 2010, last reporting in July 2026. The lease carries 97 wells, so these are lease totals, not this well alone.

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 LLCMar 2, 2021
12,000
total depth, ft
2
permits on file
Mar 2, 2021
last permit issued
Mar 2, 2022
completed
12.2M
cumulative oil, bbl
20.4M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 2, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.612879, -102.112798

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pegasus Spraberry Unit O-9-17147Pegasus (Consolidated)COG Operating LLC9712.2M20.4MMay 2010 – Jul 2026

Oil, barrels lease total

Last 12 months 1,476,452 · prior 12 2,808,942(-47%)

0200K400K600K202420252026

Gas, mcf lease total

Last 12 months 4,272,339 · prior 12 4,462,482(-4%)

0200K400K600K202420252026

Chain of custody

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

  1. 1COG Operating LLCMay 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
867910-98DrillCOG Operating LLCJun 15, 2022Mar 2, 2021Mar 25, 202112,000
867910-99DrillCOG Operating LLCFeb 24, 2021Mar 2, 2021Mar 25, 202112,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17147————

Formation tops

As filed on W-2/G-1. Subsea from 2,852 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,695157
Yates2,700152
Grayburg3,200-348
Grayburg4,060-1,208
San AndresSAN ANDRES - SALTWATER FLOW4,775-1,923
San AndresSAN ANDRES - SALTWATER FLOW4,782-1,930
Spraberry7,694-4,842
Spraberry7,696-4,844
Devonian——
Ellenburger——
Fusselman——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,43823,751Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37548217.5550 S
9.6257,54612.252,570 S
5.523,8698.53,455 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
00Jul 27, 2022Jun 1, 2022Yes
00Jan 31, 2022Jan 12, 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 →

Hall Powell P242-461-41714

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

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

9 TOPS · FIRST 8

Hall Powell P142-461-41716

0.0 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

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

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

9 TOPS · FIRST 8

Hall Powell P342-461-41713

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

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

9 TOPS · FIRST 8

Pegasus Spraberry Unit42-461-41706

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

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

9 TOPS · FIRST 8

Hall Powell P442-461-41712

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

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

9 TOPS · FIRST 8

Hall-Powell42-461-40766

0.6 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

Pegasus Spraberry Unit42-461-40791

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

Yates2,692157
Grayburg4,722-1,873
San Andres4,776-1,927
Spraberry7,673-4,824
Wolfcamp9,614-6,765
Strawn10,335-7,486
Devonian11,624-8,775
Fusselman12,354-9,505

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/46141707, documented in the API reference.