TEXAS · WELLS · REFUGIO COUNTY · API 42-391-00721 · DISTRICT 02
Tom O Connor (4150 Ft. Sd.) Unit #75
Refugio County · Tom O Connor (4150) field · Shut In · Vertical
Tom O Connor (4150 FT. SD.) Unit #75 (API 42-391-00721) is a well in Refugio County operated by Hilcorp Energy Company, completed December 5, 1997 and listed as shut in on the RRC schedule, shut in December 1, 2006.
The RRC has issued 2 drilling permits between 1978 and 1998, permitted to 4,515 ft.
It was permitted by Quintana Pet. Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 5 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 4 leases have reported 2.79M barrels of oil and 2.28M mcf of gas since January 1993, last reporting in July 2026. The leases carry 122 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Quintana Pet. Corp.; the EWA schedule now lists a different operator.
- 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 | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Quintana Pet. Corp.Feb 26, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,515
- total depth, ft
- 2
- permits on file
- Feb 26, 1998
- last permit issued
- Dec 5, 1997
- completed
- 2.79M
- cumulative oil, bbl
- 2.28M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 5, 1997
- Shut in
- Dec 1, 2006
- 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 4 leases this well is completed on; they carry 122 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Heard, Fannie V. W., Mrs. O-2-2546 | Tom Oconnor (4500 Greta Mass.) | Hilcorp Energy Company | 46 | 2.17M | 929K | 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 Fannie V.W. Mrs O-2-6800 | Tom O'Connor (4150) | Hilcorp Energy Company | 7 | 101K | 892K | Jan 1993 – Sep 2004 |
| Heard, Mrs. Fannie V. W. G-2-101692 | Greta (O-4) | Quintana Pet. Corp. | 1 | 0 | 0 | Jan 1993 – Dec 1997 |
Oil, barrels lease total
Last 12 months 20,294 · prior 12 28,039(-28%)
Gas, mcf lease total
Last 12 months 1,717 · prior 12 2,714(-37%)
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 |
|---|---|---|---|---|---|---|
| 473462-99 | Recompletion | Quintana Pet. Corp. | Feb 17, 1998 | Feb 26, 1998 | Nov 20, 1997 | 4,515 |
| 37393-99 | Recompletion | Quintana Pet. Corp. | Nov 22, 1978 | Nov 22, 1978 | Jan 2, 1979 | 4,510 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 5, 1997 | Tom O Connor (4150 Ft. Sd.) Unit O-2-8874 | Tom O Connor (4150) | Hilcorp Energy Company | Shut In · shut in Dec 1, 2006 | 4,515 |
| Dec 5, 1997 | Heard Fannie V.W. Mrs O-2-6800 | Tom O Connor (4150) | Hilcorp Energy Company | Not on Schedule | — |
| Jan 8, 1979 | Heard Mrs. Fannie V. W. G-2-101692 | Greta (O-4) | Quintana Pet. Corp. | Not on Schedule | — |
| Jan 5, 1979 | Heard Fannie V. W. Mrs. O-2-2546 | Tom Oconnor (4500 Greta Mass.) | Hilcorp Energy Company | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 52 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,189 | 3,195 | Perforated |
| 3,189 | 3,222 | Perforated |
| 3,198 | 3,222 | Perforated |
| 4,092 | 4,102 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,030 | 12.25 | 400 S |
| 2.375 | 3,209 | — | — |
| 4.5 | 4,510 | 6.75 | 650 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 | Sep 9, 2004 | Mar 27, 1998 | Yes |
| 00 | May 22, 1998 | Mar 27, 1998 | Yes |
| 00 | Apr 14, 1998 | — | — |
| 00 | Jun 30, 1993 | Mar 11, 1993 | — |
| 00 | Jan 12, 1984 | Apr 22, 1982 | — |
| 00 | Jan 12, 1984 | Jan 17, 1979 | — |
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 42-391-00721 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-00721 → 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
- 7.32M
- bbl, all reported
- Nov 1997
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000001968 | UIC Permit | Canceled Feb 16, 1984 | 0 | 0 | 3,125–0 |
| 000044743 | H-1 Injection | Canceled Jan 30, 1998 | 2,000 | 1,000 | 3,198–3,222 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 126,665(-100%)
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/39100721, documented in the API reference.