TEXAS · WELLS · UPTON COUNTY · API 42-461-33193 · DISTRICT 6E

Pegasus Pennsylvanian Unit #1803W

Plugged

Upton County · Pegasus (Consolidated) field  · Vertical

Pegasus Pennsylvanian Unit #1803W (API 42-461-33193) is a plugged well in Upton County, plugged January 23, 2015, last operated by Cog Operating LLC.

The RRC has issued one drilling permit, issued October 30, 1991, permitted to 11,000 ft.

It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including San Andres, Spraberry, Wolfcamp, Strawn.

Its 2 leases have reported 2.29M barrels of oil and 30.1M mcf of gas since January 1993, last reporting volume in April 2026. The leases carry 145 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Permitted by Mobil Producing TX. & N.M. Inc.; 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 Apr 2026
Latest permitMobil Producing TX. & N.M. Inc.Oct 30, 1991

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

11,000
total depth, ft
1
permits on file
Oct 30, 1991
last permit issued
Apr 20, 1992
completed
2.29M
cumulative oil, bbl
30.1M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 20, 1992
Shut in
—
Plugged
Jan 23, 2015

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 2 leases this well is completed on; they carry 145 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Pegasus Pennsylvanian Unit O-9-17148Pegasus (Consolidated)COG Operating LLC46386K11.4MMay 2010 – Apr 2026
Pegasus Pennsylvanian Unit O-9-1178Pegasus (Pennsylvanian)COG Operating LLC991.9M18.7MJan 1993 – Apr 2010

Gas, mcf lease total

Last 12 months 195,448 · prior 12 272,799(-28%)

020K40K60K202420252026

Oil, barrels lease total

Last 12 months 5,010 · prior 12 8,187(-39%)

01K2K3K202420252026

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 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
393357-99DrillMobil Producing TX. & N.M. Inc.Oct 28, 1991Oct 30, 1991Dec 29, 199111,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 20, 1992Pegasus Pennsylvanian Unit O-9-17148Pegasus (Consolidated)COG Operating LLCPlugged—
Apr 20, 1992Pegasus Pennsylvanian Unit O-9-1178Pegasus (Pennsylvanian)COG Operating LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,868 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres4,774-1,906
Spraberry7,698-4,830
Wolfcamp9,254-6,386
Strawn10,278-7,410
Atoka10,410-7,542
Pennsylvanian10,489-7,621

Perforations

Perforated and open-hole intervals.

FromToType
10,50410,594Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37539017.5500 S
8.6254,824111,750 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, 2010May 7, 1992Yes
00May 29, 1992May 7, 1992Yes
00May 13, 1992——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

81.3K
bbl, last 12 reported months
1.75M
bbl, all reported
Aug 2009
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000076181H-1 InjectionPlugged Feb 9, 20151,0005,00010,504–10,594

MONTHLY INJECTED, BBL · H-10 · LAST 12 REPORTED MONTHS

Last 12 months 81,312

05K10K2009

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/46133193, documented in the API reference.