42-391-00346

Final Completion

OCONNOR DENNIS ETAL -L-

REFUGIO County · District 2 · T - C OIL COMPANY · LAKE PASTURE (FS-545)

Permits

1

Max Depth

5,900 ft

First Permit

1986-10-13

Latest Activity

1986-10-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1972-04-21

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: T - C OIL COMPANY ≠ Production: T-C OIL COMPANY, LLC (reported 2026-04)

Resolved via: productionT-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

Lease Production

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

Formation Tops (10) Elevation 52 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LAGARTO 1 ft+51 ft
MIOCENE (Miocene (undifferentiated))2,095 ft-2,043 ft
EOCENE2,140 ft-2,088 ft
MIOCENE (Miocene (undifferentiated))3,000 ft-2,948 ft
CATAHOULA 3,715 ft-3,663 ft
CATAHOULA 3,720 ft-3,668 ft
GRETA 4,375 ft-4,323 ft
FRIO 5,075 ft-5,023 ft
FRIO 5,080 ft-5,028 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 (6)

IntervalType
4,455–4,462 ftPerforated
4,473–4,479 ftPerforated
4,515–4,520 ftPerforated
5,552–5,556 ftPerforated
?–5,317 ftPerforated
?–5,436 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,538 ft650 sx
5.5"5,803 ft850 sx

Permit History (1)

Applications (1)

#321342 A T - C OIL COMPANY
received 1986-10-02

Records & Logs

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

W-2/G-1 2017-07-24
W-2/G-1 2012-10-11
W-2/G-1 1987-01-05 log on file
W-2/G-1 1987-01-13
W-2/G-1 1972-05-03
W-2/G-1 1984-01-12

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 28
Max Depth
5,900 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
1972-04-21

Operator

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