WELL · 42-391-00266 · DISTRICT 2

T-C Oil Co.-Oconnor #12

Plugged

Refugio County · Lake Pasture (FT-590) field · Vertical

T-C Oil CO.-Oconnor #12 (API 42-391-00266) is a plugged well in Refugio County, plugged June 21, 2011, last operated by T - C Oil Company.

The RRC has issued 2 drilling permits between 1979 and 1984, permitted to 6,502 ft.

Completion filings report 6 formation tops, including Lagarto, Eocene, Miocene (undifferentiated), Catahoula.

Operator of record

T - C Oil Company

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	none
Latest permit	T - C Oil CompanyMar 7, 1984

6,502: total depth, ft
2: permits on file
Mar 7, 1984: last permit issued
—: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2011

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: Jun 21, 2011

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 lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
T-C Oil Co.-O'Connor O-2-6637	Lake Pasture (FS-515)	T - C Oil Company	2	0	0	Jan 1993 – Nov 2011

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
231569-99	Recompletion	T - C Oil Company	Mar 5, 1984	Mar 7, 1984	—	6,502
60944-99	Recompletion	T - C Oil Company	Oct 17, 1979	Oct 17, 1979	—	6,502

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-2-6637	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 58 ft elevation.Download CSV →

Formation	MD ft	Subsea
Lagarto	1	57
Eocene	2,250	-2,192
Miocene (undifferentiated)MIOCENE	3,010	-2,952
Catahoula	3,710	-3,652
Greta	4,370	-4,312
Frio	4,910	-4,852

Perforations

Perforated and open-hole intervals.

From	To	Type
2,846	2,854	Perforated
5,220	5,226	Perforated
—	5,931	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	1,517	13.75	550 S
2.375	2,811	—	—
5.5	6,000	8.75	1,000 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 →

Filed	W-2 / G-1 date	Logs referenced
Sep 25, 1984	Aug 28, 1984	—
Sep 13, 1984	Aug 28, 1984	—
Jan 12, 1984	Oct 23, 1979	—
Jan 12, 1984	Aug 10, 1972	—
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 42-391-00266 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-391-00266 → 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/39100266, documented in the API reference.