TEXAS · WELLS · MIDLAND COUNTY · PEGASUS FIELD UNIT 3 LEASE · API 42-329-43871 · DISTRICT 6E

Pegasus Field Unit 3 #101LH

Y

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

Pegasus Field Unit 3 #101LH (API 42-329-43871) is a horizontal well in Midland County operated by Cog Operating LLC, completed May 20, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued November 19, 2019, permitted to 8,846 ft.

Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its lease has reported 30.4M barrels of oil and 143M mcf of gas since May 2010, last reporting volume in April 2026. The lease carries 145 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 2, 2026
Permits on file
4,568
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Apr 2026
Latest permitCOG Operating LLCNov 19, 2019
8,846
total depth, ft
1
permits on file
Nov 19, 2019
last permit issued
May 20, 2020
completed
30.4M
cumulative oil, bbl
143M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2010 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 20, 2020
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

31.679825, -102.156652 NAD27, as filed

31.679958, -102.157067 WGS84

Google Maps ↗

Permit surface location from the RRC GIS record, referenced to NAD27 as the RRC files it; the WGS84 pair is the same point through NOAA's NADCON grid, and the map link uses it, in Midland County.

Wells nearby

Every well with a location on file around this one, in any state, nearest first.

Open the full map →

Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pegasus Field Unit 3 O-9-17154Pegasus (Consolidated)COG Operating LLC14530.4M143MMay 2010 – Apr 2026

Gas, mcf lease total

Last 12 months 10,622,441 · prior 12 11,560,238(-8%)

0500K1M1.5M202420252026

Oil, barrels lease total

Last 12 months 779,980 · prior 12 1,012,667(-23%)

0100K200K202420252026

Chain of custody

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

  1. 1COG Operating LLCMay 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
859153-99DrillCOG Operating LLCNov 14, 2019Nov 19, 2019Jan 5, 202012,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 20, 2020Pegasus Field Unit 3 O-9-17154Pegasus (Consolidated)COG Operating LLCProducing8,846

Formation tops

As filed on W-2/G-1. Subsea from 2,881 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa9331,948
Yates2,899-18
Seven Rivers3,200-319
Queen3,667-786
Grayburg4,297-1,416
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,807-1,926
Glorieta5,421-2,540
Clear ForkCLEARFORK6,903-4,022
Spraberry7,688-4,807
SpraberrySPRABERRY UPPER-DEAN8,965-6,084
SpraberrySPRABERRY UPPER-DEAN——

Perforations

Perforated and open-hole intervals.

FromToType
9,11519,355Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37549917.5550 S
9.6258,18612.25640 S
5.519,4458.52,325 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jan 16, 2026Dec 11, 2025—
00Sep 17, 2020Sep 10, 2020Yes

Well logs

1 log loaded from the RRC's log index, the latest received Jan 27, 2023. Gamma ray. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
Gamma RayTIFFfrom 9,103Jan 27, 202310.1

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Pegasus Field Unit 342-329-43872

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

Santa Rosa9331,948
Yates2,735146
Seven Rivers3,000-119
Queen4,002-1,121
Grayburg4,294-1,413
San Andres4,712-1,831
Glorieta5,378-2,497
Clear Fork6,945-4,064

10 TOPS · FIRST 8

TXL Holzgraf Z142-329-44614

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

Santa Rosa8672,021
Rustler1,7221,166
Yates2,81672
Seven Rivers3,000-112
Queen3,720-832
Grayburg4,000-1,112
San Andres4,781-1,893
Glorieta5,428-2,540

10 TOPS · FIRST 8

TXL Holzgraf Z242-329-44615

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

Santa Rosa1,1401,748
Rustler2,002886
Yates3,122-234
Seven Rivers3,382-494
Queen4,058-1,170
Grayburg4,483-1,595
San Andres5,086-2,198
Glorieta5,771-2,883

10 TOPS · FIRST 8

Pegasus Spraberry Unit42-329-43864

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

Santa Rosa8152,053
Yates2,77989
Seven Rivers2,900-32
Queen3,000-132
Grayburg3,851-983
San Andres4,605-1,737
Glorieta5,298-2,430
Clear Fork6,816-3,948

10 TOPS · FIRST 8

Pegasus Spraberry Unit42-329-43869

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

Santa Rosa8152,053
Yates2,77989
Seven Rivers3,000-132
Queen3,687-819
Grayburg4,000-1,132
San Andres4,605-1,737
Glorieta5,298-2,430
Clear Fork6,814-3,946

10 TOPS · FIRST 8

Pegasus Spraberry Unit42-329-43870

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

Santa Rosa8152,053
Yates2,77989
Seven Rivers3,000-132
Queen3,687-819
Grayburg4,000-1,132
San Andres4,605-1,737
Glorieta5,267-2,399
Clear Fork6,815-3,947

10 TOPS · FIRST 8

TXL Holzgraf Z342-329-44613

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

Santa Rosa1,1401,748
Rustler2,002886
Yates3,122-234
Seven Rivers3,382-494
Queen4,058-1,170
Grayburg4,483-1,595
San Andres5,086-2,198
Glorieta5,771-2,883

10 TOPS · FIRST 8

TXL Holzgraf Z442-329-44612

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

Santa Rosa1,1401,748
Rustler2,002886
Yates3,122-234
Seven Rivers3,382-494
Queen4,058-1,170
Grayburg4,483-1,595
San Andres5,086-2,198
Glorieta5,771-2,883

10 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/32943871, documented in the API reference.