WELL · 42-391-33224 · DISTRICT 2
O Connor #91
Refugio County · McFaddin (4400) field · Vertical
O Connor #91 (API 42-391-33224) is a well in Refugio County operated by T-C Oil Company LLC, completed September 2, 2020.
The RRC has issued 2 drilling permits between 2020 and 2025, permitted to 6,500 ft.
Completion filings report 6 formation tops, including Jackson, Miocene (undifferentiated), Catahoula, Frio.
Its 2 leases have reported 354K barrels of oil and 223K mcf of gas since July 2019, last reporting in July 2026. The leases carry 16 wells, so these are lease totals, not this well alone.
Operator of record
Refugio, TX · P-5 Y, filed Oct 4, 2025 · 287 permits on file · (361) 646-9296
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T-C Oil Company LLC |
| Production reports | T-C Oil Company, LLCthrough Apr 2026 |
| Latest permit | T-C Oil Company, LLCFeb 11, 2025 |
- 6,500
- total depth, ft
- 2
- permits on file
- Feb 11, 2025
- last permit issued
- Sep 2, 2020
- completed
- 354K
- cumulative oil, bbl
- 223K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2019 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 2, 2020
- Shut in
- —
- Plugged
- —
Surface location
28.489860, -97.023196
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 2 leases this well is completed on; they carry 16 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| O'Connor G-2-299201 | Huff (3600) | T-C Oil Company, LLC | 1 | 0 | 59.3K | Feb 2025 – Jul 2026 |
| O'Connor O-2-11800 | McFaddin (4400) | T-C Oil Company, LLC | 15 | 354K | 164K | Jul 2019 – Jul 2026 |
Oil, barrels lease total
Last 12 months 63,469 · prior 12 66,891(-5%)
Gas, mcf lease total
Last 12 months 74,771 · prior 12 18,199(+311%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1T-C Oil Company, LLCJul 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 905838-99 | Recompletion | T-C Oil Company, LLC | Feb 10, 2025 | Feb 11, 2025 | — | 5,903 |
| 862094-99 | Drill | T-C Oil Company, LLC | Feb 20, 2020 | Feb 20, 2020 | Feb 28, 2020 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-299201 | — | — | — | — |
| — | — O-2-11800 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 59 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| JacksonJACKSON-YEGUA - DISPOSAL | 2,950 | -2,891 |
| Miocene (undifferentiated)MIOCENE | 2,950 | -2,891 |
| CatahoulaCATAHOULA - DISPOSAL | 3,600 | -3,541 |
| FrioFRIO - DISPOSAL | 3,600 | -3,541 |
| CatahoulaCATAHOULA - DISPOSAL | 4,360 | -4,301 |
| Greta | 4,360 | -4,301 |
| Frio | 5,005 | -4,946 |
| FrioFRIO - DISPOSAL | 5,005 | -4,946 |
| JacksonJACKSON-YEGUA - DISPOSAL | 5,950 | -5,891 |
| Lagarto | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,612 | 3,616 | Perforated |
| 4,456 | 4,463 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,392 | 12.25 | 590 S |
| 4.5 | 5,903 | 7.875 | 1,170 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 | Oct 14, 2025 | Oct 2, 2025 | — |
| 00 | May 19, 2025 | Feb 20, 2025 | — |
| 00 | Sep 23, 2020 | Sep 17, 2020 | Yes |
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 42-391-33224 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-33224 → 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.
O'Connor42-391-33219
0.2 KM · T-C Oil Company, LLC · Section with this well →
| Miocene (undifferentiated) | 2,230 | -2,171 |
| Jackson | 2,230 | -2,171 |
| Catahoula | 3,700 | -3,641 |
| Frio | 4,400 | -4,341 |
| Greta | 5,200 | -5,141 |
O'Connor42-391-33202
0.4 KM · T-C Oil Company, LLC · Section with this well →
| Jackson | 2,150 | -2,091 |
| Frio | 3,744 | -3,685 |
| Catahoula | 4,407 | -4,348 |
Fagan42-391-32994
0.8 KM · Great Bay Operations, LLC · Section with this well →
| Catahoula | 3,709 | -3,649 |
| Catahoula | 3,720 | -3,660 |
| Anahuac | 4,200 | -4,140 |
| Frio | 4,404 | -4,344 |
| Greta | 4,460 | -4,400 |
| McFaddin (4400) | 4,466 | -4,406 |
| McFaddin 4500 | 4,466 | -4,406 |
| McFaddin 5050 | 5,025 | -4,965 |
13 TOPS · FIRST 8
Fagan42-391-33171
0.9 KM · Frostwood Energy, LLC · Section with this well →
| Catahoula | 3,732 | -3,672 |
| Anahuac | 4,066 | -4,006 |
| Frio | 4,476 | -4,416 |
| Jackson | — |
Fagan42-391-32901
1.0 KM · Great Bay Operations, LLC · Section with this well →
| Catahoula | 3,720 | -3,659 |
| Anahuac | 4,400 | -4,339 |
| Greta | 4,460 | -4,399 |
| McFaddin N 4450 | 4,460 | -4,399 |
| McFaddin N 4450' | 4,466 | -4,405 |
Fagan42-391-32811
1.2 KM · McDonald & Johnson Resources,llc · Section with this well →
| Catahoula | 3,710 | -3,644 |
| Anahuac | 4,100 | -4,034 |
| Greta | 4,470 | -4,404 |
| McFaddin (4400) | 4,470 | -4,404 |
Marberry B42-391-33040
1.2 KM · Great Bay Operations, LLC · Section with this well →
| Jackson | 1,990 | -1,928 |
| Catahoula | 3,710 | -3,648 |
| Frio | 4,404 | -4,342 |
| 4400 Sand | 4,466 | -4,404 |
| 5050 Sand | 5,042 | -4,980 |
| 5400 Sand | 5,430 | -5,368 |
Marberry42-391-33122
1.4 KM · Great Bay Operations, LLC · Section with this well →
| Catahoula | 3,962 | -3,902 |
| Frio | 4,477 | -4,417 |
| Jackson | — |
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/39133224, documented in the API reference.