TEXAS · WELLS · UPTON COUNTY · API 42-461-03349 · DISTRICT 6E

TXL U #501

Shut in

Upton County · Pegasus (Consolidated) field · Shut In  · Vertical

Txl U #501 (API 42-461-03349) is a well in Upton County operated by Cog Operating LLC, completed November 22, 2003 and listed as shut in on the RRC schedule, shut in January 1, 2025.

The RRC has issued one drilling permit, issued October 8, 2003, permitted to 10,593 ft.

It was permitted by Henry Petroleum LP and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.

Its 3 leases have reported 2.02M barrels of oil and 19M mcf of gas since January 1993, last reporting volume in December 2024. The leases carry 102 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Permitted by Henry Petroleum LP; the EWA schedule now lists a different operator.

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 Dec 2024
Latest permitHenry Petroleum LPOct 8, 2003

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,593
total depth, ft
1
permits on file
Oct 8, 2003
last permit issued
Nov 22, 2003
completed
2.02M
cumulative oil, bbl
19M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2024

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 22, 2003
Shut in
Jan 1, 2025
Plugged
—

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

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 102 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
TXL "U" O-9-17144Pegasus (Consolidated)COG Operating LLC280.4K206KMay 2010 – Dec 2024
Pegasus Pennsylvanian Unit O-9-1178Pegasus (Pennsylvanian)COG Operating LLC991.9M18.7MJan 1993 – Apr 2010
T X L "U" O-9-15487Spraberry (Trend Area)COG Operating LLC135.5K56.6KNov 2003 – Apr 2010

Oil, barrels lease total

Last 12 months 0 · prior 12 933(-100%)

0200400202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 3,445(-100%)

05001K202420252026

Chain of custody

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

  1. 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Mar 1998
  2. 2Henry Petroleum Corp.Apr 1998 → Mar 2001
  3. 3Henry Petroleum LPApr 2001 → Dec 2008
  4. 4COG Operating LLCJan 2009 → Dec 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
537273-99RecompletionHenry Petroleum LPOct 7, 2003Oct 8, 2003Nov 10, 200310,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 22, 2003TXL U O-9-17144Pegasus (Consolidated)COG Operating LLCShut In · shut in Jan 1, 202510,593
Nov 22, 2003T X L U O-9-15487Spraberry (Trend Area)COG Operating LLCNot on Schedule—
Jul 3, 1990Pegasus Pennsylvanian Unit O-9-1178Pegasus (Pennsylvanian)COG Operating LLCNot on Schedule—
—Pegasus Pennsylvanian Unit O-9-1178Pegasus (Pennsylvanian)COG Operating LLCNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,876 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,708-4,832
Dean9,014-6,138
Wolfcamp9,128-6,252
WolfcampLOWER WOLFCAMP9,486-6,610

Perforations

Perforated and open-hole intervals.

FromToType
8,3609,814Perforated
10,46210,559Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7544112.25350 S
10.75441—350 S
7.6254,6889.8751,459 S
7.6254,688—1,459 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
00Jun 2, 2010Dec 10, 2003Yes
00Jan 29, 2004Dec 10, 2003Yes
00Jan 8, 2004Sep 28, 1990—
00Nov 1, 1990Sep 28, 1990—
00Aug 17, 1990Jul 30, 1990—
00Aug 10, 1990——
00Jan 12, 1984——

Well logs

1 log loaded from the RRC's log index, the latest received Dec 14, 2006. Neutron. 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
Neutron PorosityC.P.N.L.Spans Spraberry, Dean, WolfcampTIFF6,750 to 10,033Dec 14, 2006run Nov 10, 2003—

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

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. The University Lands library has no per-well link: then paste it into its search.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
1.02M
bbl, all reported
Aug 2004
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000073007H-1 InjectionCanceled Dec 13, 20041,0005,23110,468–10,537

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

Last 12 months 0 · prior 12 0

0120032004

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/46103349, documented in the API reference.