WELL · 42-391-00658 · DISTRICT 2
Tom O Connor (4150 Ft. Sd.) Unit #31
Refugio County · Tom O Connor (4150) field · Shut IN · Vertical
Tom O Connor (4150 FT. SD.) Unit #31 (API 42-391-00658) is a well in Refugio County operated by Hilcorp Energy Company, completed January 24, 2005 and listed as shut in on the RRC schedule, shut in October 1, 2010.
The RRC has issued one drilling permit (amended once), issued August 29, 2002, permitted to 6,390 ft.
Completion filings report 7 formation tops, including Surface Sand Clay, Lagarto, Oakville, Catahaula (Miocene).
Its 3 leases have reported 23.3M barrels of oil and 15.4M mcf of gas since January 1993, last reporting in July 2026. The leases carry 663 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Quintana Pet. Corp. |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyAug 29, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,390
- total depth, ft
- 2
- permits on file
- Aug 29, 2002
- last permit issued
- Jan 24, 2005
- completed
- 23.3M
- cumulative oil, bbl
- 15.4M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 24, 2005
- Shut in
- Oct 1, 2010
- 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 663 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | 594 | 22.8M | 14.9M | Jan 1993 – Jul 2026 |
| Tom O'Connor (4150 Ft. Sd.) Unit O-2-8874 | Tom O'Connor (4150) | Hilcorp Energy Company | 68 | 512K | 461K | Jun 2004 – Jul 2026 |
| Heard, Claude E. et AL O-2-8743 | Tom Oconnor (5450 Sand) | Hilcorp Energy Company | 1 | 1.08K | 13K | Oct 2002 – Aug 2004 |
Oil, barrels lease total
Last 12 months 673,302 · prior 12 529,221(+27%)
Gas, mcf lease total
Last 12 months 117,612 · prior 12 84,078(+40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Quintana Pet. Corp.Jan 1993 → Nov 2000
- 2Hilcorp Energy CompanyDec 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 523162-98 | Recompletion | Hilcorp Energy Company | Oct 29, 2002 | Aug 29, 2002 | Oct 4, 2002 | 6,390 |
| 523162-99 | Recompletion | Hilcorp Energy Company | Aug 27, 2002 | Aug 29, 2002 | — | 6,390 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 24, 2005 | Tom O Connor (4150 Ft. Sd.) Unit O-2-8874 | Tom O Connor (4150) | Hilcorp Energy Company | Shut IN · shut in Oct 1, 2010 | 6,390 |
| Oct 25, 2002 | Heard Claude E. et AL O-2-8743 | Tom Oconnor (5450 Sand) | Hilcorp Energy Company | Not on Schedule | — |
| Oct 25, 2002 | Tom O Connor (4150 Ft. Sd.) Unit O-2-8874 | Tom O Connor (4150) | Hilcorp Energy Company | Not on Schedule | — |
| — | Heard Claud E. Etal O-2-5009 | Tom Oconnor (5800) | Quintana Pet. Corp. | Not on Schedule | — |
| — | Tom Oconnor (5800 SD) Fld. Unit O-2-5280 | Tom Oconnor (5800) | Hilcorp Energy Company | Not on Schedule | — |
| — | Heard Claude E. et AL O-2-1539 | Tom Oconnor | Hilcorp Energy Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 60 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,150 | 4,160 | Perforated |
| 5,590 | 5,605 | Perforated |
| — | 5,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,022 | 12.25 | 325 S |
| 2.875 | 6,301 | 6.75 | 760 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 | Jul 11, 2005 | Apr 11, 2005 | — |
| 00 | Apr 14, 2005 | Nov 8, 2002 | Yes |
| 00 | Aug 16, 2004 | Nov 8, 2002 | Yes |
| 00 | Dec 16, 2002 | Nov 8, 2002 | Yes |
| 00 | Nov 19, 2002 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-391-00658 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00658 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 33.8K
- bbl, all reported
- Sep 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000094692 | H-1 Injection | Active | 10,000 | 2,000 | 4,126–4,180 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/39100658, documented in the API reference.