WELL · 42-003-44222 · DISTRICT 8

University Ruth #423

Y

Andrews County · Spraberry (Trend Area) field · Shut IN  · Vertical

University Ruth #423 (API 42-003-44222) is a well in Andrews County operated by Cog Operating LLC, completed August 13, 2012 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued April 24, 2012, permitted to 12,000 ft.

Completion filings report 4 formation tops, including Clear Fork, Spraberry, Wolfcamp, Strawn.

Its lease has reported 357K barrels of oil and 544K mcf of gas since May 2010, last reporting in July 2026. The lease carries 8 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 LLCApr 24, 2012
12,000
total depth, ft
2
permits on file
Apr 24, 2012
last permit issued
Aug 13, 2012
completed
357K
cumulative oil, bbl
544K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 13, 2012
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

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 lease this well is completed on; they carry 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University Ruth O-10-40164Spraberry (Trend Area)COG Operating LLC8357K544KMay 2010 – Jul 2026

Oil, barrels lease total

Last 12 months 3,743 · prior 12 9,363(-60%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 5,114 · prior 12 12,619(-59%)

01K2K202420252026

Chain of custody

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

  1. 1Summit Petroleum LLCMay 2010 → Oct 2010
  2. 2PDC EnergyNov 2010 → Jan 2012
  3. 3COG Operating LLCFeb 2012 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
738076-98DrillCOG Operating LLCOct 29, 2013Apr 24, 2012May 14, 201212,000
738076-99DrillCOG Operating LLCApr 12, 2012Apr 24, 2012May 14, 201212,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-40164————

Formation tops

As filed on W-2/G-1. Subsea from 3,108 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK7,120-4,012
Spraberry8,365-5,257
Wolfcamp9,660-6,552
Strawn10,775-7,667

Perforations

Perforated and open-hole intervals.

FromToType
8,47011,370Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,80217.51,350 S
8.6255,09010.625968 S
5.511,5007.8751,100 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 5, 2013Dec 4, 2012Yes

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.

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/00344222, documented in the API reference.