TEXAS · WELLS · UPTON COUNTY · WINDHAM TXL B1 LEASE · API 42-461-40693 · DISTRICT 6E

Windham TXL B1 #3008LH

Y

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

Windham Txl B1 #3008LH (API 42-461-40693) is a horizontal well in Upton County operated by Cog Operating LLC, completed July 13, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued October 20, 2017, permitted to 8,253 ft.

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

Its lease has reported 425K barrels of oil and 1.42M mcf of gas since July 2018, last reporting in July 2026.

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 LLCOct 20, 2017
8,253
total depth, ft
1
permits on file
Oct 20, 2017
last permit issued
Jul 13, 2018
completed
425K
cumulative oil, bbl
1.42M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 13, 2018
Shut in
—
Plugged
—

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

Surface location

31.632969, -102.090355

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
Windham TXL B1 O-9-20009Pegasus (Consolidated)COG Operating LLC1425K1.42MJul 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 38,076 · prior 12 37,756(+1%)

010K20K30K202420252026

Oil, barrels lease total

Last 12 months 6,872 · prior 12 4,834(+42%)

01K2K3K202420252026

Chain of custody

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

  1. 1COG Operating LLCJul 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
831870-99DrillCOG Operating LLCOct 11, 2017Oct 20, 2017Nov 20, 201711,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 13, 2018Windham TXL B1 O-9-20009Pegasus (Consolidated)COG Operating LLCProducing8,253

Formation tops

As filed on W-2/G-1. Subsea from 2,843 ft elevation.Download CSV →

FormationMD ftSubsea
Yates9031,940
Yates1,1001,743
Grayburg1,3251,518
San AndresSAN ANDRES - SALTWATER FLOW2,500343
Grayburg2,737106
San AndresSAN ANDRES - SALTWATER FLOW4,755-1,912
Spraberry8,665-5,822
Wolfcamp9,651-6,808
Devonian——
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
9,18419,486Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37544717.5580 S
9.6258,26012.25700 S
5.519,6148.52,900 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 19, 2018Sep 20, 2018Yes
00Oct 19, 2018Jul 19, 2018Yes

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

Open the cross-section →

Windham B242-461-40691

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

Yates2,020823
Grayburg2,886-43
San Andres4,755-1,912
Spraberry8,665-5,822
Wolfcamp9,462-6,619
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Windham B542-461-40694

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

Yates9031,940
Grayburg1,2001,643
San Andres4,756-1,913
Spraberry8,664-5,821
Wolfcamp9,654-6,811
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

Windham B742-461-40695

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

Yates9031,942
Grayburg2,737108
San Andres4,756-1,911
Spraberry8,277-5,432
Wolfcamp9,654-6,809
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Windham B442-461-40698

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

Yates9031,942
Grayburg1,6621,183
San Andres4,756-1,911
Spraberry8,664-5,819
Wolfcamp9,654-6,809
Fusselman—
Devonian—
Strawn—

9 TOPS · FIRST 8

Windham B642-461-40699

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

Yates9031,942
Grayburg2,737108
San Andres4,712-1,867
Spraberry8,655-5,810
Wolfcamp9,653-6,808
Ellenburger—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Windham B342-461-40705

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

Yates9041,941
Grayburg1,7001,145
San Andres4,756-1,911
Spraberry8,664-5,819
Wolfcamp9,654-6,809
Ellenburger—
Strawn—
Devonian—

9 TOPS · FIRST 8

Windham B1042-461-40692

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

Yates9031,946
Grayburg2,886-37
San Andres4,769-1,920
Spraberry8,668-5,819
Wolfcamp9,664-6,815
Devonian—
Strawn—
Fusselman—

9 TOPS · FIRST 8

Windham B942-461-40690

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

Yates9051,944
Grayburg1,6621,187
San Andres4,755-1,906
Spraberry8,667-5,818
Wolfcamp9,652-6,803
Fusselman—
Ellenburger—
Strawn—

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/46140693, documented in the API reference.