TEXAS · WELLS · ATASCOSA COUNTY · TOM "A" GU 4 LEASE · API 42-013-33924 · DISTRICT 01

Tom a GU 4 #4

Shut in

Atascosa County · Fashing (Edwards Lime -A-) field · Temp Abandoned  · Vertical

Tom A GU 4 #4 (API 42-013-33924) is a well in Atascosa County operated by Capital Star Oil & Gas Inc., completed February 20, 1990 and listed as temp abandoned on the RRC schedule, shut in January 1, 2022.

The RRC has issued one drilling permit, issued October 25, 1989, permitted to 10,900 ft.

It was permitted by EP Operating Company and has since transferred to Capital Star Oil & Gas Inc. on the wellbore schedule.

Completion filings report one formation top, including Edwards.

No lease production has been reported under this well’s leases.

Operator of record

Capital Star Oil & Gas Inc.

Permitted by EP Operating Company; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 19, 2026
Permits on file
49
Phone
(713) 554-4620

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCapital Star Oil & Gas Inc.
Production reportsCapital Star Oil & Gas, Inc.through Dec 2021
Latest permitEP Operating CompanyOct 25, 1989

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

10,900
total depth, ft
1
permits on file
Oct 25, 1989
last permit issued
Feb 20, 1990
completed
0
cumulative oil, bbl
1.25M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 20, 1990
Shut in
Jan 1, 2022
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 lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tom "a" GU 4 G-1-133675Fashing (Edwards Lime -A-)Capital Star Oil & Gas, Inc.101.25MJan 1993 – Jul 2026

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1EP Operating Limited PartnershipJan 1993 → Feb 1995
  2. 2Enserch Exploration, IncMar 1995 → Mar 1998
  3. 3Eex CorporationApr 1998 → Feb 2000
  4. 4Eex Operating, L.P.Mar 2000 → Jul 2003
  5. 5Newfield Exploration CompanyAug 2003 → Oct 2010
  6. 6Momentum Oil & Gas, LLCOct 2011 → Oct 2011
  7. 7Capital Star Oil & Gas, Inc.Jan 2017 → Dec 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
364436-99DrillEP Operating CompanySep 27, 1989Oct 25, 1989Dec 17, 198911,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 20, 1990Tom a GU 4 G-1-133675Fashing (Edwards Lime -A-)Capital Star Oil & Gas Inc.Temp Abandoned · shut in Jan 1, 202210,900

Formation tops

As filed on W-2/G-1. Subsea from 412 ft elevation.Download CSV →

FormationMD ftSubsea
EdwardsEDWARDS LIME -A-10,478-10,066
EdwardsEDWARDS LIME -B-10,730-10,318

Perforations

Perforated and open-hole intervals.

FromToType
10,48010,568Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,28012.25600 S
5.510,9008.75400 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
00Apr 5, 1990Mar 1, 1990Yes
00Mar 15, 1990——

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). 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/01333924, documented in the API reference.