TEXAS · WELLS · ATASCOSA COUNTY · TOM "A" GU 4 LEASE · API 42-013-33924 · DISTRICT 01
Tom a GU 4 #4
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
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 schedule | Capital Star Oil & Gas Inc. |
| Production reports | Capital Star Oil & Gas, Inc.through Dec 2021 |
| Latest permit | EP 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tom "a" GU 4 G-1-133675 | Fashing (Edwards Lime -A-) | Capital Star Oil & Gas, Inc. | 1 | 0 | 1.25M | Jan 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.
- 1EP Operating Limited PartnershipJan 1993 → Feb 1995
- 2Enserch Exploration, IncMar 1995 → Mar 1998
- 3Eex CorporationApr 1998 → Feb 2000
- 4Eex Operating, L.P.Mar 2000 → Jul 2003
- 5Newfield Exploration CompanyAug 2003 → Oct 2010
- 6Momentum Oil & Gas, LLCOct 2011 → Oct 2011
- 7Capital Star Oil & Gas, Inc.Jan 2017 → Dec 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 364436-99 | Drill | EP Operating Company | Sep 27, 1989 | Oct 25, 1989 | Dec 17, 1989 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 20, 1990 | Tom a GU 4 G-1-133675 | Fashing (Edwards Lime -A-) | Capital Star Oil & Gas Inc. | Temp Abandoned · shut in Jan 1, 2022 | 10,900 |
Formation tops
As filed on W-2/G-1. Subsea from 412 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,480 | 10,568 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,280 | 12.25 | 600 S |
| 5.5 | 10,900 | 8.75 | 400 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 5, 1990 | Mar 1, 1990 | Yes |
| 00 | Mar 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.
- Wellbore filings for 42-013-33924 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-33924 → scanned completion filings
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.