42-391-31850

TOM O'CONNOR (5800 SD) FLD. UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

8

Max Depth

6,100 ft

First Permit

1985-04-30

Latest Activity

2015-08-28

Lifespan

30 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 (9) 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
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
4,379–4,385 ftPerforated
5,214–5,228 ftPerforated
5,406–5,411 ftPerforated
5,456–5,462 ftPerforated
5,495–5,501 ftPerforated
5,801–5,807 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,485 ft770 sx
7"6,084 ft1,334 sx

Records & Logs

12 completion filings on record · 4 with log images at RRC.

W-2/G-1 2009-03-27 log on file
W-2/G-1 2009-06-05
W-2/G-1 2005-01-06 log on file
W-2/G-1 2005-01-20
W-2/G-1 2001-04-13 log on file
W-2/G-1 2002-01-11

+6 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
3106Q
Max Depth
6,100 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