42-391-00264

T-C OIL CO.-O'CONNOR

REFUGIO County · District 2 · T - C OIL COMPANY

Permits

Max Depth

6,510 ft

First Permit

1979-08-21

Latest Activity

2003-06-12

Lifespan

24 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

T - C OIL COMPANY 1993-2011→ T-C OIL COMPANY, LLC 2012-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (6) Elevation 58 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+57 ft
EOCENE	2,475 ft	-2,417 ft
MIOCENE (Miocene (undifferentiated))	3,030 ft	-2,972 ft
CATAHOULA	3,670 ft	-3,612 ft
GRETA	4,375 ft	-4,317 ft
FRIO	4,940 ft	-4,882 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (2)

Interval	Type
4,510–4,518 ft	Perforated
4,929–4,937 ft	Perforated

Casing (4)

Size	Set Depth	Cement
10.75"	1,520 ft	635 sx
2.375"	4,460 ft	—
2.375"	4,959 ft	55 sx
5.5"	5,971 ft	1,025 sx

Permit History (3)

#532933 Recompletion

T-C OIL CO.-O'CONNOR · 4,299 ft

2003-06-12

#375500 Recompletion Final Completion

T-C OIL COMPANY-O'CONNOR · 6,510 ft

1990-07-19

#56097 Recompletion Final Completion

T-C OIL COMPANY - O'CONNOR · 6,510 ft

1979-08-21

Applications (3)

#532933 A T - C OIL COMPANY

received 2003-06-09

#375500 A T - C OIL COMPANY

received 1990-07-13

#56097 A T - C OIL COMPANY

received 1979-08-21

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 1990-08-30 log on file

W-2/G-1 1990-09-18

W-2/G-1 1979-09-04

W-2/G-1 1984-01-12

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in REFUGIO County.

Well Details

Well Number: 10
Max Depth: 6,510 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T - C OIL COMPANY

Operator

Name: T - C OIL CO
Location: REFUGIO
P-5 Status: Inactive (filed 2011-11-07)
Cum Oil (all leases): 15,292,994 bbl
Cum Gas (all leases): 112,873,669 mcf
Total Permits: 1,009