42-391-00223

Final Completion

OCONNOR -D-

REFUGIO County · District 2 · T-C OIL COMPANY LLC · LAKE PASTURE (H-440 SAND)

Permits

Max Depth

6,202 ft

First Permit

1978-11-17

Latest Activity

2006-04-05

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-08-22

Shut-In

—

Plugged

2008-05-01

EWA / Permit operator mismatch

Scheduling: T-C OIL COMPANY LLC ≠ Permit: T - C OIL COMPANY

Resolved via: production → T-C OIL COMPANY, LLC

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 (5) Elevation 58 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+57 ft
MIOCENE (Miocene (undifferentiated))	2,060 ft	-2,002 ft
CATAHOULA	3,769 ft	-3,711 ft
GRETA	4,435 ft	-4,377 ft
FRIO	4,910 ft	-4,852 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 (8)

Interval	Type
4,438–4,448 ft	Perforated
4,454–4,465 ft	Perforated
4,497–4,501 ft	Perforated
4,505–4,507 ft	Perforated
5,148–5,154 ft	Perforated
?–5,444 ft	Perforated
?–5,742 ft	Perforated
?–5,750 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,515 ft	635 sx
2.75"	4,477 ft	—
5.5"	5,811 ft	975 sx

Permit History (3)

#617067 Recompletion Final Completion

O'CONNOR -D- · 4,500 ft

2006-04-05

#605386 Recompletion Final Completion

O'CONNOR-D- · 4,800 ft

2005-08-24

Spud 2005-08-15

#37827 Recompletion Final Completion

O'CONNOR "D" · 6,202 ft

1978-11-17

Spud 1978-11-28

Applications (3)

#617067 A T - C OIL COMPANY

received 2006-04-05

#605386 A T - C OIL COMPANY

received 2005-08-24

#37827 A T - C OIL COMPANY

received 1978-11-17

Records & Logs

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

W-2/G-1 2006-04-07 log on file

W-2/G-1 2006-10-12

W-2/G-1 2005-09-02

W-2/G-1 1979-11-16

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: D 2
Max Depth: 6,202 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T-C OIL COMPANY LLC
Completed: 2005-08-22

Operator

Name: T-C OIL CO, LLC
Location: REFUGIO
P-5 Status: Active (filed 2025-12-03)
Cum Oil (all leases): 13,683,333 bbl
Cum Gas (all leases): 22,912,895 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 283