42-391-00491

TOM O'CONNOR (5730 FT. SD.) UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

2

Max Depth

5,937 ft

First Permit

1990-04-09

Latest Activity

2012-03-23

Lifespan

22 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

Lease Production

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

Formation Tops (7) Elevation 66 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,434 ft
OAKVILLE 2,750 ft-2,684 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,234 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,034 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,299 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,934 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,814 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 (1)

IntervalType
5,680–5,694 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,046 ft350 sx
5"5,936 ft500 sx

Permit History (2)

Applications (2)

#735789 A HILCORP ENERGY COMPANY
received 2012-03-09
#370723 A QUINTANA PET. CORP.
received 1990-03-09

Records & Logs

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

W-2/G-1 1990-04-27 log on file
W-2/G-1 1990-05-09
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
B 3
Max Depth
5,937 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