← Wells

42-391-31942

Final Completion

OCONNOR

REFUGIO County · District 2 · T-C OIL COMPANY LLC · T-C (5600)

Permits

7

Max Depth

5,850 ft

First Permit

1987-04-17

Latest Activity

2005-08-03

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-06-10

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

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.

Gas
production & DCA →
Gas
production & DCA →
Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (13) Elevation 63 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LAGARTO 1 ft+62 ft
LARGARTO (Lagarto)1 ft+62 ft
MIOCENE (Miocene (undifferentiated))2,055 ft-1,992 ft
ECOCENE2,310 ft-2,247 ft
EOCENE2,310 ft-2,247 ft
LAGARTO 2,310 ft-2,247 ft
MIOCENE (Miocene (undifferentiated))2,980 ft-2,917 ft
CATAHOULA 3,710 ft-3,647 ft
CATAHOULA 3,720 ft-3,657 ft
GRETA 4,380 ft-4,317 ft
GRETA 4,405 ft-4,342 ft
FRIO 4,770 ft-4,707 ft
FRIO 4,799 ft-4,736 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 (6)

IntervalType
4,189–4,192 ftPerforated
4,406–4,415 ftPerforated
4,461–4,464 ftPerforated
5,316–5,319 ftPerforated
5,379–5,383 ftPerforated
5,623–5,628 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,361 ft643 sx
5.5"5,813 ft1,225 sx

Permit History (7)

#604279 Recompletion Final Completion

O'CONNOR · 4,500 ft

2005-08-03

Spud 2005-07-13

#533654 Recompletion Final Completion

O'CONNOR · 4,336 ft

2003-07-02

Spud 2003-06-18

#457111 Recompletion Final Completion

O'CONNOR · 5,600 ft

1997-01-14

Spud 1996-12-23

#392866 Recompletion

O'CONNOR · 5,850 ft

1991-10-16

#392866 Recompletion Final Completion

O'CONNOR · 5,770 ft

1991-10-16

Spud 1992-05-27

#389001 Recompletion Final Completion

O'CONNOR · 5,850 ft

1991-06-24

Spud 1991-06-25

#329178 Drill Final Completion

O'CONNOR, TOM · 5,850 ft

1987-04-17

Applications (7)

#604279 A T - C OIL COMPANY
received 2005-08-02
#533654 A T - C OIL COMPANY
received 2003-06-30
#457111 A T - C OIL COMPANY
received 1997-01-08
#392866 A T - C OIL COMPANY
received 1992-05-20
#392866 A T - C OIL COMPANY
received 1991-10-14
#389001 A T - C OIL COMPANY
received 1991-06-17
#329178 A T - C OIL COMPANY
received 1987-04-17

Records & Logs

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

W-2/G-1 2005-08-04
W-2/G-1 2005-09-28
W-2/G-1 2003-07-16 log on file
W-2/G-1 2003-10-27
W-2/G-1 1997-01-21 log on file
W-2/G-1 1997-01-21 log on file

+7 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
66
Max Depth
5,850 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
T-C OIL COMPANY LLC
Completed
1992-06-10

Operator

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
282