WELL · 42-391-01515 · DISTRICT 2
Thomas O'Connor 'A' #37
Refugio County · Vertical
Thomas O'Connor 'A' #37 (API 42-391-01515) is a former disposal or injection well in Refugio County, last operated by Hilcorp Energy Company; its UIC permit is no longer active.
The RRC has issued 6 drilling permits (amended once) between 1989 and 2017, permitted to 5,921 ft.
Completion filings report 8 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 7 leases have reported 24.2M barrels of oil and 15.7M mcf of gas since January 1993, last reporting in July 2026. The leases carry 678 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyNov 20, 2017 |
- 5,921
- total depth, ft
- 7
- permits on file
- Nov 20, 2017
- last permit issued
- —
- completed
- 24.2M
- cumulative oil, bbl
- 15.7M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
28.357947, -97.161884
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Refugio County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 7 leases this well is completed on; they carry 678 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oconnor, Thomas, -A- O-2-2627 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | 9 | 151K | 150K | Jan 1993 – Jul 2026 |
| Oconnor, Thomas, -A- O-2-2875 | Tom Oconnor (5900 Sand) | Hilcorp Energy Company | 11 | 107K | 236K | Jan 1993 – Jul 2026 |
| 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(5600 Foot Sand)unit O-2-8950 | Tom O'Connor (5600 Foot Sand) | Hilcorp Energy Company | 59 | 1.13M | 357K | Mar 2005 – Jul 2026 |
| Thomas O'Connor 'A' O-2-11391 | Tom Oconnor (5200, East) | Hilcorp Energy Company | 3 | 22.2K | 17.1K | May 2016 – Jul 2026 |
| Tom O'Connor "A" G-2-261129 | Tom Oconnor (5275) | Hilcorp Energy Company | 1 | 0 | 11.4K | May 2011 – Oct 2017 |
| O'Connor, Thomas "A" G-2-195711 | Tom Oconnor (5300, East) | Hilcorp Energy Company | 1 | 0 | 2.42K | Apr 2003 – Oct 2005 |
Oil, barrels lease total
Last 12 months 686,241 · prior 12 539,718(+27%)
Gas, mcf lease total
Last 12 months 117,797 · prior 12 84,166(+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 |
|---|---|---|---|---|---|---|
| 833176-99 | Recompletion | Hilcorp Energy Company | Nov 14, 2017 | Nov 20, 2017 | Oct 25, 2017 | 5,921 |
| 716766-98 | Recompletion | Hilcorp Energy Company | May 31, 2011 | May 23, 2011 | May 16, 2011 | 5,921 |
| 716766-99 | Recompletion | Hilcorp Energy Company | May 18, 2011 | May 23, 2011 | — | 5,921 |
| 603082-99 | Recompletion | Hilcorp Energy Company | Jul 6, 2005 | Jul 8, 2005 | May 13, 2005 | 5,921 |
| 530282-99 | Recompletion | Hilcorp Energy Company | Apr 3, 2003 | Apr 9, 2003 | Apr 16, 2003 | 5,921 |
| 443644-99 | Recompletion | Quintana Pet. Corp. | Jan 12, 1996 | Feb 29, 1996 | — | 5,921 |
| 366484-99 | Recompletion | Quintana Pet. Corp. | Nov 15, 1989 | Dec 29, 1989 | — | 5,921 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-195711 | — | — | — | — |
| — | — G-2-261129 | — | — | — | — |
| — | — O-2-2627 | — | — | — | — |
| — | — O-2-2875 | — | — | — | — |
| — | — O-2-5280 | — | — | — | — |
| — | — O-2-8950 | — | — | — | — |
| — | — O-2-11391 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LagartoLARGARTO | 1,500 | -1,447 |
| Oakville | 2,750 | -2,697 |
| CatahoulaCATAHOULA (MIOCENE) | 3,300 | -3,247 |
| CatahoulaCATAHOULA(MIOCENE) | 3,300 | -3,247 |
| Oakville | 3,300 | -3,247 |
| Catahoula | 3,586 | -3,533 |
| AnahuacANAHUAC (MIOCENE) | 4,100 | -4,047 |
| AnahuacANAHUAC(MIOCENE) | 4,100 | -4,047 |
| FrioFRIO-GRETA | 4,365 | -4,312 |
| FrioFRIO-GRETA (OLIGOCENE) | 4,365 | -4,312 |
| FrioFRIO-GRETA(OLIGOCENE) | 4,365 | -4,312 |
| Frio | 4,375 | -4,322 |
| FrioMIDDLE FRIO (SINTO) | 5,000 | -4,947 |
| FrioMIDDLE FRIO (SINTON) | 5,000 | -4,947 |
| Top 5200 East | 5,137 | -5,084 |
| FrioLOWER FRIO (OLIGOCENE) | 5,880 | -5,827 |
| JacksonJACKSON/YEGUA | — | — |
| NO Change | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,137 | 5,142 | Perforated |
| 5,220 | 5,225 | Perforated |
| 5,255 | 5,275 | Perforated |
| 5,518 | 5,524 | Perforated |
| 5,572 | 5,584 | Perforated |
| 5,737 | 5,745 | Perforated |
| 5,852 | 5,860 | Perforated |
| 5,854 | 5,860 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 631 | 12 | 150 S |
| 5 | 5,919 | 7.875 | 500 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 | May 30, 2018 | Nov 27, 2017 | — |
| 00 | Oct 26, 2011 | Jun 15, 2011 | — |
| 00 | May 5, 2006 | Oct 7, 2005 | Yes |
| 00 | Jan 13, 2006 | — | — |
| 00 | Sep 24, 2003 | May 15, 2003 | Yes |
| 00 | Jul 30, 2003 | — | — |
| 00 | Nov 2, 1990 | Jun 21, 1990 | Yes |
| 00 | Jul 10, 1990 | — | Yes |
| 00 | Jun 27, 1985 | Jun 17, 1985 | — |
| 00 | Jun 7, 1985 | May 17, 1985 | — |
| 00 | May 25, 1985 | Jun 7, 1972 | — |
| 00 | Jan 12, 1984 | Jun 7, 1972 | — |
| 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 42-391-01515 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01515 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Thomas O'Connor 'A'42-391-01460
0.3 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,448 |
| Oakville | 2,750 | -2,698 |
| Catahoula | 3,300 | -3,248 |
| Catahoula | 3,300 | -3,248 |
| Catahoula | 3,590 | -3,538 |
| Anahuac | 4,100 | -4,048 |
| Anahuac | 4,100 | -4,048 |
| Frio | 4,342 | -4,290 |
14 TOPS · FIRST 8
Tom O'Connor (5800 SD) Fld. Unit42-391-01487
0.3 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,447 |
| Oakville | 2,750 | -2,697 |
| Catahoula | 3,300 | -3,247 |
| Catahoula | 3,596 | -3,543 |
| Anahuac | 4,100 | -4,047 |
| Frio | 4,341 | -4,288 |
| Anahuac | 4,365 | -4,312 |
| Frio | 4,365 | -4,312 |
14 TOPS · FIRST 8
Thomas O'Connor 'A'42-391-01467
0.5 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,448 |
| Oakville | 2,750 | -2,698 |
| Catahoula | 3,300 | -3,248 |
| Catahoula | 3,600 | -3,548 |
| Anahuac | 4,100 | -4,048 |
| Anahuac | 4,100 | -4,048 |
| Catahoula | 4,100 | -4,048 |
| Greta | 4,300 | -4,248 |
19 TOPS · FIRST 8
Tom Oconnor (5800 SD) Fld. Unit42-391-31896
0.6 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,445 |
| Oakville | 2,750 | -2,695 |
| Catahoula | 3,300 | -3,245 |
| Anahuac | 4,100 | -4,045 |
| Frio | 4,365 | -4,310 |
| Frio | 5,000 | -4,945 |
| Frio | 5,880 | -5,825 |
| NO Change | — |
Tom OCONNOR(5800 Sand)field Unit42-391-01514
0.7 KM · Quintana Pet. Corp. · Section with this well →
| Surface Sand Clay | 1,500 | -1,449 |
| Lagarto | 1,500 | -1,449 |
| Oakville | 2,750 | -2,699 |
| Catahoula | 3,300 | -3,249 |
| Catahoula | 3,300 | -3,249 |
| Anahuac | 4,100 | -4,049 |
| Greta | 4,362 | -4,311 |
| Frio | 4,365 | -4,314 |
15 TOPS · FIRST 8
O'Connor, Thomas 'C'42-391-01167
0.8 KM · Quintana Pet. Corp. · Section with this well →
| Lagarto | 1,500 | -1,446 |
| Oakville | 2,750 | -2,696 |
| Catahoula | 3,300 | -3,246 |
| Catahoula | 3,565 | -3,511 |
| Anahuac | 4,100 | -4,046 |
| Frio | 4,329 | -4,275 |
| Frio | 4,365 | -4,311 |
| Frio | 4,785 | -4,731 |
12 TOPS · FIRST 8
M. F. Lambert42-391-01422
0.9 KM · Pennzoil Producing Co. · Section with this well →
| Catahoula | 3,628 | -3,574 |
| Frio | 4,352 | -4,298 |
| 5,250 | 5,226 | -5,172 |
| 5,900 | 5,841 | -5,787 |
| Jackson | — | |
| NO Change | — |
O'Connor, Thomas 'A'42-391-01502
0.9 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,628 | -3,575 |
| Frio | 4,387 | -4,334 |
| Jackson | — |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 16.8K
- bbl, last 12 reported months
- 361K
- bbl, all reported
- Nov 2011
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000094738 | H-1 Injection | Canceled Jun 14, 2012 | 10,000 | 2,000 | 5,150–5,635 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 16,764 · prior 12 93,020(-82%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
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/39101515, documented in the API reference.