42-391-31821

PRODUCING

T-C OIL CO.- O CONNOR

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

Permits

1

Max Depth

4,600 ft

First Permit

1984-11-21

Latest Activity

1984-11-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-05-26

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

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 55 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LAGARTO 1 ft+54 ft
EOCENE2,475 ft-2,420 ft
MIOCENE (Miocene (undifferentiated))3,030 ft-2,975 ft
MIOCENE (Miocene (undifferentiated))3,055 ft-3,000 ft
CATAHOULA 3,690 ft-3,635 ft
CATAHOULA 3,705 ft-3,650 ft
GRETA 4,375 ft-4,320 ft
GRETA 4,395 ft-4,340 ft
GRETA 4,396 ft-4,341 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 (3)

IntervalType
4,452–4,458 ftPerforated
4,468–4,480 ftPerforated
4,505–4,511 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,519 ft700 sx
8.625"1,519 ft700 sx
5.5"4,613 ft873 sx

Permit History (1)

Applications (1)

#258369 A T - C OIL COMPANY
received 1984-11-06

Records & Logs

4 completion filings on record.

W-2/G-1 2018-05-30
W-2/G-1 2004-06-10
W-2/G-1 1985-01-31
W-2/G-1 1985-02-20

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
80
Max Depth
4,600 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2018-05-26

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