WELL · 42-391-31935 · DISTRICT 2
O Connor Dennis et al N #N 13
Refugio County · Huff (5290) field · Vertical
O Connor Dennis ET AL N #N 13 (API 42-391-31935) is a well in Refugio County operated by T - C Oil Company, completed November 24, 1992.
The RRC has issued 5 drilling permits (amended once) between 1986 and 2004, permitted to 6,100 ft.
Completion filings report 9 formation tops, including Lagarto, Lararto, Miocene (undifferentiated), Eocene.
Its 5 leases have reported 143K barrels of oil and 396K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Refugio, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Nov 7, 2011
- Permits on file
- 1,009
- Phone
- (361) 578-6271
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T - C Oil Company |
| Production reports | T-C Oil Company, LLCthrough Apr 2026 |
| Latest permit | T - C Oil CompanySep 8, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,100
- total depth, ft
- 6
- permits on file
- Sep 8, 2004
- last permit issued
- Nov 24, 1992
- completed
- 143K
- cumulative oil, bbl
- 396K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 24, 1992
- 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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Connor, Dennis et al -N- G-2-200149 | Huff (3250) | T-C Oil Company, LLC | 1 | 0 | 44.4K | Sep 2003 – Jul 2026 |
| O'Connor, Dennis et al -N- O-2-8931 | Huff (2950 Sand) | T-C Oil Company, LLC | 1 | 122K | 128K | Nov 2004 – Jul 2026 |
| O'Connor, Dennis et al -N- G-2-192571 | Huff (5100) | T - C Oil Company | 1 | 0 | 63.5K | Nov 2002 – Apr 2004 |
| O'Connor, Dennis et al "N" O-2-7844 | Huff (5290) | T - C Oil Company | 1 | 20.2K | 159K | Jan 1993 – Mar 2003 |
| O'Conner, Dennis Etal -N- O-2-7214 | Huff ( 612) | T - C Oil Company | 1 | 0 | 0 | Jan 1993 – Mar 1993 |
Oil, barrels lease total
Last 12 months 4,741 · prior 12 3,665(+29%)
Gas, mcf lease total
Last 12 months 5,867 · prior 12 5,543(+6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1T - C Oil CompanyJan 1993 → Dec 2011
- 2T-C Oil Company, LLCJan 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 550644-99 | Recompletion | T - C Oil Company | Sep 8, 2004 | Sep 8, 2004 | — | 3,200 |
| 536165-99 | Recompletion | T - C Oil Company | Sep 8, 2003 | Sep 11, 2003 | Aug 4, 2003 | 4,929 |
| 525904-99 | Recompletion | T - C Oil Company | Nov 26, 2002 | Nov 26, 2002 | Nov 15, 2002 | 5,194 |
| 403015-99 | Recompletion | T - C Oil Company | Sep 1, 1992 | Sep 3, 1992 | Nov 10, 1992 | 5,400 |
| 323842-98 | Drill | T - C Oil Company | Jan 7, 1987 | Dec 8, 1986 | — | 6,100 |
| 323842-99 | Drill | T - C Oil Company | Dec 3, 1986 | Dec 8, 1986 | — | 6,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-192571 | — | — | — | — |
| — | — G-2-200149 | — | — | — | — |
| — | — O-2-7214 | — | — | — | — |
| — | — O-2-7844 | — | — | — | — |
| — | — O-2-8931 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 70 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lagarto | 1 | 69 |
| Lararto | 1 | 69 |
| Miocene (undifferentiated)MIOCENE | 1,960 | -1,890 |
| Eocene | 2,190 | -2,120 |
| Catahoula | 2,920 | -2,850 |
| CatahoulaCATAHOULA - DISPOSAL | 2,920 | -2,850 |
| Miocene (undifferentiated)MIOCENE | 2,930 | -2,860 |
| Greta | 3,710 | -3,640 |
| Catahoula | 3,740 | -3,670 |
| Sinton | 4,372 | -4,302 |
| Greta | 4,375 | -4,305 |
| Frio | 5,040 | -4,970 |
| FrioFRIO - DISPOSAL | — | — |
| JacksonJACKSON-YEGUA - DISPOSAL | — | — |
| Lagarto | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,958 | 2,964 | Perforated |
| 3,246 | 3,251 | Perforated |
| 5,040 | 5,043 | Perforated |
| 5,315 | 5,318 | Perforated |
| 6,032 | 6,035 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,368 | 13.5 | 592 S |
| 5.5 | 6,103 | 8.75 | 1,226 S |
| 5.5 | 6,104 | 8.75 | 1,226 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 31, 2024 | Jan 24, 2024 | — |
| 00 | Apr 5, 2005 | Dec 6, 2004 | Yes |
| 00 | Dec 30, 2004 | — | — |
| 00 | Apr 22, 2004 | Sep 5, 2003 | Yes |
| 00 | Apr 1, 2004 | — | — |
| 00 | Mar 18, 2003 | Dec 10, 2002 | Yes |
| 00 | Feb 5, 2003 | — | — |
| 00 | Mar 1, 1993 | Dec 11, 1992 | Yes |
| 00 | Jan 5, 1993 | Jan 20, 1987 | Yes |
| 00 | Feb 20, 1987 | Jan 20, 1987 | Yes |
| 00 | Jan 29, 1987 | — | — |
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 42-391-31935 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-31935 → 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/39131935, documented in the API reference.