WELL · 42-391-01644 · DISTRICT 2
Oconnor Thomas -E- #18
Refugio County · Tom Oconnor (5800) field · Vertical
Oconnor Thomas -E- #18 (API 42-391-01644) is a plugged well in Refugio County, plugged July 5, 2017, last operated by T - C Oil Company.
The RRC has issued one drilling permit, issued March 4, 1994, permitted to 5,640 ft.
It was permitted by Copano Gas Unit and has since transferred to T - C Oil Company on the wellbore schedule.
Completion filings report 6 formation tops, including Lagarto, Miocene (undifferentiated), Eocene, Catahoula.
Its 2 leases have reported 116K barrels of oil and 484K mcf of gas since January 1993, last reporting in July 2026. The leases carry 30 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Copano Gas Unit; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Aug 2, 2013 · 1,009 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | T - C Oil Company |
| Production reports | T - C Oil Companythrough Nov 2010 |
| Latest permit | Copano Gas UnitMar 4, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,640
- total depth, ft
- 1
- permits on file
- Mar 4, 1994
- last permit issued
- —
- completed
- 116K
- cumulative oil, bbl
- 484K
- 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
- Jul 5, 2017
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 2 leases this well is completed on; they carry 30 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oconnor, Thomas -E- O-2-1526 | Tom Oconnor | T-C Oil Company, LLC | 29 | 116K | 317K | Jan 1993 – Jul 2026 |
| Thomas O'Connor -E- G-2-149301 | Tom Oconnor (4200) | T-C Oil Company, LLC | 1 | 0 | 166K | Apr 1994 – Jul 2017 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Copano CompanyJan 1993 → Mar 1998
- 2Copano Gas UnitApr 1994 → Aug 1999
- 3T - C Oil CompanyJun 2005 → Nov 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 421564-99 | Recompletion | Copano Gas Unit | Feb 28, 1994 | Mar 4, 1994 | Mar 29, 1994 | 5,640 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-149301 | — | — | — | — |
| — | — O-2-1526 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 45 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lagarto | 1 | 44 |
| Miocene (undifferentiated)MIOCENE | 2,360 | -2,315 |
| Eocene | 2,500 | -2,455 |
| Miocene (undifferentiated)MIOCENE | 2,975 | -2,930 |
| Catahoula | 3,635 | -3,590 |
| Catahoula | 3,650 | -3,605 |
| Greta | 4,390 | -4,345 |
| Greta | 4,402 | -4,357 |
| Frio | 5,100 | -5,055 |
| Frio | 5,110 | -5,065 |
| Lagarto | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,192 | 4,195 | Perforated |
| — | 5,774 | Perforated |
| — | 5,800 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,045 | 16 | 500 S |
| 5.5 | 5,877 | 9.875 | 632 S |
| 5.5 | 5,877 | — | 632 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 | Jun 12, 2013 | Jan 3, 2013 | — |
| 00 | Sep 28, 1994 | May 6, 1994 | Yes |
| 00 | Jun 1, 1994 | — | — |
| 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 42-391-01644 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01644 → 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/39101644, documented in the API reference.