42-391-32598

Final Completion

O CONNOR DENNIS ET AL -L-

REFUGIO County · District 2 · T-C OIL COMPANY LLC · LAKE PASTURE (H-434)

Permits

Max Depth

4,900 ft

First Permit

2004-06-17

Latest Activity

2007-04-11

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2007-04-13

Shut-In

—

Plugged

—

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

Injection / Disposal

H-1 Injection Active UIC #000102557 permitted 2012-03-02

Permitted Volume

10,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

3,730–4,030 ft

Injected (12mo)

89,005 bbl

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

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 51 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LAGARTO	1 ft	+50 ft
LAGATO	1 ft	+50 ft
MIOCENE (Miocene (undifferentiated))	2,115 ft	-2,064 ft
CATAHOULA	3,725 ft	-3,674 ft
GRETA	4,413 ft	-4,362 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 (7)

Interval	Type
3,870–3,890 ft	Perforated
3,984–3,998 ft	Perforated
4,414–4,418 ft	Perforated
4,421–4,429 ft	Perforated
4,429–4,431 ft	Perforated
4,433–4,439 ft	Perforated
4,474–4,483 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,577 ft	705 sx
5.5"	4,715 ft	970 sx

Permit History (2)

#636484 Recompletion Final Completion

O'CONNOR, DENNIS ET AL -L- · 4,475 ft

2007-04-11

#547067 Drill Final Completion

O'CONNOR, DENNIS ET AL -L- · 4,900 ft

2004-06-17

Spud 2004-07-16

Applications (2)

#636484 A T - C OIL COMPANY

received 2007-04-04

#547067 A T - C OIL COMPANY

received 2004-06-17

Records & Logs

7 completion filings on record · 2 with log images at RRC.

W-2/G-1 2015-10-02

W-2/G-1 2012-11-21

W-2/G-1 2009-11-03

W-2/G-1 2007-05-04 log on file

W-2/G-1 2007-06-26

W-2/G-1 2004-08-23 log on file

+1 more filings

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: L 87
Max Depth: 4,900 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T-C OIL COMPANY LLC
Completed: 2007-04-13

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