WELL · 42-391-01399 · DISTRICT 2
Tom Oconnor (5800 SD) Fld. Unit #120
Refugio County · Tom Oconnor (5800) field · Vertical
Tom Oconnor (5800 SD) Fld. Unit #120 (API 42-391-01399) is a well in Refugio County operated by Hilcorp Energy Company, completed March 24, 2010.
The RRC has issued 5 drilling permits between 1994 and 2011, permitted to 5,840 ft.
Completion filings report 6 formation tops, including Lagarto, Oakville, Catahoula, Anahuac.
Its 5 leases have reported 23.4M barrels of oil and 17M mcf of gas since January 1993, last reporting in July 2026. The leases carry 642 wells, so these are lease totals, not this well alone.
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 | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyAug 25, 2011 |
- 5,840
- total depth, ft
- 5
- permits on file
- Aug 25, 2011
- last permit issued
- Mar 24, 2010
- completed
- 23.4M
- cumulative oil, bbl
- 17M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 24, 2010
- Shut in
- —
- Plugged
- —
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 5 leases this well is completed on; they carry 642 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Lambert, M. F. O-2-2590 | Tom Oconnor (5500 Sand) | Hilcorp Energy Company | 39 | 446K | 1.58M | Jan 1993 – Jul 2026 |
| Lambert, M. F. O-2-4958 | Tom Oconnor (5450 Sand) | Hilcorp Energy Company | 7 | 166K | 421K | 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 |
| Lambert Gas Unit G-2-240709 | Tom Oconnor (5680) | Hilcorp Energy Company | 1 | 0 | 21.2K | Mar 2007 – Mar 2010 |
| Lambert Gas Unit G-2-206530 | Tom Oconnor (5050, East) | Hilcorp Energy Company | 1 | 0 | 36.4K | Oct 2004 – Mar 2007 |
Oil, barrels lease total
Last 12 months 676,554 · prior 12 531,668(+27%)
Gas, mcf lease total
Last 12 months 117,562 · prior 12 84,317(+39%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
- 2Quintana Pet. Corp.Jan 1993 → Nov 2000
- 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 4Devon Energy Production Co, L.P.Apr 2000 → Jul 2002
- 5Hilcorp Energy CompanyDec 2000 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 722854-99 | Recompletion | Hilcorp Energy Company | Aug 22, 2011 | Aug 25, 2011 | Aug 5, 2011 | 5,840 |
| 687242-99 | Recompletion | Hilcorp Energy Company | Nov 11, 2009 | Nov 16, 2009 | Jan 13, 2010 | 5,840 |
| 627905-99 | Recompletion | Hilcorp Energy Company | Oct 20, 2006 | Oct 27, 2006 | Nov 7, 2006 | 5,840 |
| 551301-99 | Recompletion | Hilcorp Energy Company | Sep 21, 2004 | Sep 23, 2004 | — | 5,840 |
| 426884-99 | Recompletion | Quintana Pet. Corp. | Aug 12, 1994 | Aug 17, 1994 | Dec 5, 1994 | 5,840 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-206530 | — | — | — | — |
| — | — G-2-240709 | — | — | — | — |
| — | — O-2-2590 | — | — | — | — |
| — | — O-2-2590 | — | — | — | — |
| — | — O-2-4958 | — | — | — | — |
| — | — O-2-5280 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 49 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,019 | 5,028 | Perforated |
| 5,487 | 5,497 | Perforated |
| 5,524 | 5,530 | Perforated |
| 5,663 | 5,670 | Perforated |
| 5,756 | 5,764 | Perforated |
| 5,757 | 5,764 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,000 | 15 | 460 S |
| 7 | 5,840 | 9.875 | 500 S |
| 7 | 5,840 | 9.625 | 732 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 | Jan 24, 2012 | Sep 6, 2011 | — |
| 00 | Nov 12, 2010 | Sep 15, 2010 | Yes |
| 00 | Feb 5, 2009 | Oct 6, 2008 | Yes |
| 00 | Oct 20, 2008 | — | — |
| 00 | May 12, 2005 | Nov 10, 2004 | Yes |
| 00 | Mar 2, 2005 | — | — |
| 00 | May 10, 1995 | Jan 24, 1995 | Yes |
| 00 | Feb 6, 1995 | — | — |
| 00 | Jan 12, 1984 | Jan 14, 1976 | — |
| 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 42-391-01399 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01399 → 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/39101399, documented in the API reference.