42-391-00401

Final Completion

O CONNOR DENNIS ETAL -G-

REFUGIO County · District 2 · T - C OIL COMPANY · LAKE PASTURE WEST (4450)

Permits

Max Depth

6,050 ft

First Permit

1983-09-06

Latest Activity

1991-07-18

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1969-08-14

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000090917 permitted 2001-04-24

Permitted Volume

6,000 mcf/d

Max Pressure

3,250 psi

Injection Interval

4,468–4,512 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.

Formation Tops (9) Elevation 63 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+62 ft
ECOCENE	2,680 ft	-2,617 ft
EOCENE	2,680 ft	-2,617 ft
LAGARTO	2,680 ft	-2,617 ft
MIOCENE (Miocene (undifferentiated))	3,050 ft	-2,987 ft
CATAHOULA	3,730 ft	-3,667 ft
CATAHOULA	3,740 ft	-3,677 ft
GRETA	4,450 ft	-4,387 ft
FRIO	5,200 ft	-5,137 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 (4)

Interval	Type
2,999–3,002 ft	Perforated
4,480–4,484 ft	Perforated
4,490–4,494 ft	Perforated
4,500–4,504 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,111 ft	360 sx
5.5"	4,534 ft	821 sx
5.5"	4,534 ft	821 sx

Permit History (2)

#389968 Recompletion Final Completion

O'CONNOR, DENNIS ET AL -G- · 6,050 ft

1991-07-18

Spud 1991-06-26

#210023 Recompletion Final Completion

O'CONNOR, DENNIS ET AL -G- · 6,050 ft

1983-09-06

Applications (2)

#389968 A T - C OIL COMPANY

received 1991-07-17

#210023 A T - C OIL COMPANY

received 1983-08-24

Records & Logs

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

W-2/G-1 2015-01-30

W-2/G-1 1996-12-05 log on file

W-2/G-1 1997-02-03

W-2/G-1 1984-08-06

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: 4
Max Depth: 6,050 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T - C OIL COMPANY
Completed: 1969-08-14

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