42-391-32535

INJECTION

OCONNOR DENNIS ETAL -L-

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

Permits

1

Max Depth

4,800 ft

First Permit

2003-09-25

Latest Activity

2003-09-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2009-08-21

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

Injection / Disposal

H-1 Injection Active UIC #000100706 permitted 2009-04-30

Permitted Volume

10,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

4,526–4,610 ft

Injected (12mo)

153,382 bbl

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

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 (4) Elevation 49 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LAGARTO 1 ft+48 ft
OAKVILLE 2,040 ft-1,991 ft
CATAHOULA 2,980 ft-2,931 ft
GRETA 4,430 ft-4,381 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 (2)

IntervalType
4,489–4,498 ftPerforated
4,565–4,585 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,558 ft725 sx
5.5"4,708 ft985 sx

Permit History (1)

Applications (1)

#536797 A T - C OIL COMPANY
received 2003-09-25

Records & Logs

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

W-2/G-1 2009-09-04
W-2/G-1 2004-02-27 log on file
W-2/G-1 2004-04-15

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 77
Max Depth
4,800 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2009-08-21

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