42-391-31260

Final Completion

T-C OIL COMPANY-O CONNOR

REFUGIO County · District 2 · T - C OIL COMPANY · LAKE PASTURE (FS-503)

Permits

Max Depth

7,954 ft

First Permit

1978-05-30

Latest Activity

1984-06-29

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1978-09-10

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000055176 permitted 1984-08-09

Permitted Volume

8,000 bbl/d

Max Pressure

1,000 psi

Injection Interval

3,466–3,546 ft

Injected (12mo)

—

W-14 Disposal Cancelled 1986-02-10 UIC #000053452 permitted 1984-08-09

Permitted Volume

—

Max Pressure

—

Injection Interval

3,466–3,546 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Lease Production

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

Gas

production & DCA →

Formation Tops (8) Elevation 59 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+58 ft
EOCENE	2,250 ft	-2,191 ft
MIOCENE (Miocene (undifferentiated))	3,050 ft	-2,991 ft
CATAHOULA	3,770 ft	-3,711 ft
GRETA	4,200 ft	-4,141 ft
OLIGOCENE	4,200 ft	-4,141 ft
FRIO	5,000 ft	-4,941 ft
LAGARTO	—	—

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 (5)

Interval	Type
3,466–3,476 ft	Perforated
3,466–3,546 ft	Perforated
3,480–3,500 ft	Perforated
3,534–3,546 ft	Perforated
5,230–5,233 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,521 ft	725 sx
2.375"	5,135 ft	—
5.5"	5,385 ft	1,165 sx

Permit History (2)

#243510 Recompletion Final Completion

T-C OIL CO.-O'CONNOR · 7,954 ft

1984-06-29

#25381 Drill Final Completion

T-C OIL COMPANY- O'CONNOR · 7,954 ft

1978-05-30

Spud 1978-06-21

Applications (2)

#243510 A T - C OIL COMPANY

received 1984-06-20

#25381 A T - C OIL COMPANY

received 1978-05-30

Records & Logs

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

W-2/G-1 2014-07-21

W-2/G-1 2013-07-11

W-2/G-1 1985-02-11 log on file

W-2/G-1 1985-02-28

W-2/G-1 1979-10-02

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: 60
Max Depth: 7,954 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T - C OIL COMPANY
Completed: 1978-09-10

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