TEXAS · WELLS · UPTON COUNTY · TXL STATE Y15 LEASE · API 42-461-42125 · DISTRICT 6E

TXL State Y15 #2503MH

Y

Upton County · Spraberry (Trend Area) field · Producing  · Horizontal

Txl State Y15 #2503MH (API 42-461-42125) is a horizontal well in Upton County operated by Cog Operating LLC, completed July 18, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued May 3, 2022, permitted to 8,280 ft.

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

Its lease has reported 311K barrels of oil and 513K mcf of gas since November 2022, 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 LLCMay 3, 2022
8,280
total depth, ft
2
permits on file
May 3, 2022
last permit issued
Jul 18, 2023
completed
311K
cumulative oil, bbl
513K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 18, 2023
Shut in
—
Plugged
—

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

Surface location

31.646846, -102.161268

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
TXL State Y15 O-9-21983Spraberry (Trend Area)COG Operating LLC1311K513KNov 2022 – Jul 2026

Oil, barrels lease total

Last 12 months 63,850 · prior 12 99,869(-36%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 119,858 · prior 12 220,624(-46%)

010K20K30K202420252026

Chain of custody

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

  1. 1COG Operating LLCJul 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
879525-98DrillCOG Operating LLCNov 7, 2023May 3, 2022Aug 7, 202210,000
879525-99DrillCOG Operating LLCApr 27, 2022May 3, 2022Aug 7, 202210,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 18, 2023TXL State Y15 O-9-21983Spraberry (Trend Area)COG Operating LLCProducing8,280

Formation tops

As filed on W-2/G-1. Subsea from 2,877 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,79285
Grayburg4,423-1,546
San AndresSAN ANDRES - SALTWATER FLOW4,777-1,900
Spraberry7,744-4,867
Devonian——
Ellenburger——
Fusselman——
Strawn——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,28021,756Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37550417.5525 S
9.6257,69012.252,225 S
5.521,7228.53,405 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
00Feb 29, 2024Oct 23, 2023Yes
00Mar 21, 2023Mar 13, 2023Yes

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 →

TXL State Y1442-461-42128

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

Yates2,79978
Grayburg4,227-1,350
San Andres4,781-1,904
Spraberry7,760-4,883
Wolfcamp—
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

TXL State Y1342-461-42127

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

Yates2,80374
Grayburg4,168-1,291
San Andres4,770-1,893
Spraberry7,775-4,898
Devonian—
Wolfcamp—
Strawn—
Fusselman—

9 TOPS · FIRST 8

TXL State U A642-461-40997

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

Yates2,79583
Grayburg3,000-122
San Andres4,772-1,894
Spraberry7,959-5,081
Wolfcamp9,244-6,366
Devonian—
Ellenburger—
Fusselman—

9 TOPS · FIRST 8

TXL State U A342-461-40979

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

Yates2,79286
Grayburg4,066-1,188
San Andres4,769-1,891
Spraberry7,764-4,886
Ellenburger—
Fusselman—
Wolfcamp—
Strawn—

9 TOPS · FIRST 8

TXL State U A542-461-40980

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

Yates2,79187
Grayburg3,000-122
San Andres4,769-1,891
Spraberry8,323-5,445
Devonian—
Ellenburger—
Fusselman—
Strawn—

9 TOPS · FIRST 8

TXL State U A842-461-40978

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

Yates2,772101
Grayburg3,000-127
San Andres4,753-1,880
Spraberry7,927-5,054
Wolfcamp8,654-5,781
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

TXL State U A742-461-40977

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

Yates2,772101
Grayburg3,000-127
San Andres4,753-1,880
Spraberry7,927-5,054
Wolfcamp—
Strawn—
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

TXL Holzgraf Y12R42-461-42219

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

Yates1,7281,151
Grayburg4,170-1,291
San Andres4,804-1,925
Spraberry7,790-4,911
Devonian—
Strawn—
Ellenburger—
Fusselman—

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/46142125, documented in the API reference.