42-391-01512

TOM O'CONNOR (4150 FT. SD.) UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

3

Max Depth

5,893 ft

First Permit

1987-07-27

Latest Activity

2016-02-24

Lifespan

29 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Cancelled 2006-03-20 UIC #000073103 permitted 1990-07-13

Permitted Volume

5,000 bbl/d

Max Pressure

2,250 psi

Injection Interval

5,740–5,749 ft

Injected (12mo)

Lease Production

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

Formation Tops (8) Elevation 52 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,448 ft
OAKVILLE 2,750 ft-2,698 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,248 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,048 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,313 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,948 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,828 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 (6)

IntervalType
5,258–5,268 ftPerforated
5,270–5,276 ftPerforated
5,279–5,282 ftPerforated
5,285–5,290 ftPerforated
5,740–5,745 ftPerforated
5,740–5,749 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"508 ft100 sx
7"5,728 ft450 sx

Permit History (3)

Applications (3)

#813509 A HILCORP ENERGY COMPANY
received 2016-01-27
#501565 A QUINTANA PET. CORP.
received 2000-11-03
#333187 A QUINTANA PET. CORP.
received 1987-07-20

Records & Logs

6 completion filings on record · 2 with log images at RRC.

W-2/G-1 2002-03-07 log on file
W-2/G-1 2002-06-10
W-2/G-1 1993-03-11
W-2/G-1 1987-10-27 log on file
W-2/G-1 1987-11-06
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
W019A
Max Depth
5,893 ft
Drill Type
Vertical
County
REFUGIO
District
2

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
3,428