42-391-00726

TOM O'CONNOR (4150 FT.SD.)

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

2

Max Depth

5,985 ft

First Permit

1991-06-17

Latest Activity

2007-08-11

Lifespan

16 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 Inactive UIC #000098079 permitted 2007-10-18

Permitted Volume

3,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

4,080–4,105 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (8) Elevation 54 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,446 ft
OAKVILLE 2,750 ft-2,696 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,246 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,046 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,311 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,946 ft
LOWER FRIO (OLIGOCENE) (Frio)5,400 ft-5,346 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,826 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 (4)

IntervalType
4,384–4,395 ftPerforated
5,039–5,060 ftPerforated
5,069–5,076 ftPerforated
5,222–5,232 ftPerforated

Casing (4)

SizeSet DepthCement
10.75"1,205 ft350 sx
10.75"1,220 ft350 sx
7"5,339 ft930 sx
7"5,967 ft672 sx

Permit History (2)

Applications (2)

#643949 A HILCORP ENERGY COMPANY
received 2007-08-07
#388924 A QUINTANA PET. CORP.
received 1991-06-13

Records & Logs

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

W-2/G-1 1991-08-14 log on file
W-2/G-1 1991-08-21
W-2/G-1 1987-07-01
W-2/G-1 1987-05-07
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
W305G
Max Depth
5,985 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