42-391-01574

Final Completion

O CONNOR THOMAS -C-

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

3

Max Depth

5,912 ft

First Permit

2000-01-26

Latest Activity

2008-06-12

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-02-28

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (9) Elevation 52 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)2,750 ft-2,698 ft
OAKVILLE 3,300 ft-3,248 ft
CATAHOULA (MIOCENE) (Catahoula)4,100 ft-4,048 ft
FRIO 4,362 ft-4,310 ft
ANAHUAC(MIOCENE) (Anahuac)4,365 ft-4,313 ft
FRIO-GRETA (OLIG) (Frio)4,785 ft-4,733 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,348 ft
LOWER FRIO (Frio)5,912 ft-5,860 ft
NO CHANGE

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 (4)

IntervalType
5,277–5,283 ftPerforated
5,808–5,818 ftPerforated
5,841–5,845 ftPerforated
5,897–5,901 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,049 ft350 sx
5.5"5,910 ft500 sx

Records & Logs

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

W-2/G-1 2024-11-13
W-2/G-1 2008-09-05 log on file
W-2/G-1 2002-03-06 log on file
W-2/G-1 2002-03-22
W-2/G-1 2001-03-22 log on file
W-2/G-1 2001-04-03

+1 more 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
Q254
Max Depth
5,912 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2002-02-28

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,436