← Wells

42-391-00649

Final Completion

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

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

8

Max Depth

6,169 ft

First Permit

1983-08-10

Latest Activity

2010-04-12

Lifespan

27 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

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

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

Gas
production & DCA →
Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (11) Elevation 58 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,442 ft
OAKVILLE 2,750 ft-2,692 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,242 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,242 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,042 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,307 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,307 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,942 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,822 ft
FRIO 6,169 ft-6,111 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
2,619–2,625 ftPerforated
4,134–4,148 ftPerforated
4,385–4,393 ftPerforated
5,852–5,865 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,052 ft350 sx
5"5,936 ft700 sx
2.875"6,168 ft105 sx

Permit History (8)

#693967 Recompletion Final Completion

TOM O'CONNOR (4150 FT. SD.) UNIT · 6,169 ft

2010-04-12

Spud 2010-05-03

#693967 Recompletion

CLAUDE E. HEARD ET AL · 6,169 ft

2010-04-12

#540196 Recompletion

HEARD, CLAUDE E. ET AL · 6,169 ft

2004-01-07

#524626 Recompletion

HEARD, CLAUDE E. ET AL · 6,169 ft

2002-10-25

#524626 Recompletion Final Completion

HEARD, CLAUDE E. ET AL · 6,169 ft

2002-10-25

Spud 2003-03-21

#524626 Recompletion

HEARD, CLAUDE E. ET AL · 6,169 ft

2002-10-25

#231093 Recompletion U

TOM O'CONNOR (5800 SD)FIELD UNIT · 6,169 ft

1984-03-01

Spud 1984-03-15

#205050 Recompletion

HEARD, CLAUDE E., ET AL · 5,938 ft

1983-08-10

Applications (8)

#693967 A HILCORP ENERGY COMPANY
received 2010-07-29
#693967 A HILCORP ENERGY COMPANY
received 2010-04-06
#540196 A HILCORP ENERGY COMPANY
received 2003-12-29
#524626 A HILCORP ENERGY COMPANY
received 2003-03-13
#524626 A HILCORP ENERGY COMPANY
received 2003-02-07
#524626 A HILCORP ENERGY COMPANY
received 2002-10-15
#231093 A QUINTANA PET. CORP.
received 1984-02-29
#205050 A QUINTANA PET. CORP.
received 1983-08-10

Records & Logs

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

W-2/G-1 2012-01-26 log on file
W-2/G-1 2003-04-07 log on file
W-2/G-1 2003-05-07
W-2/G-1 1994-02-14
W-2/G-1 1994-04-05
W-2/G-1 1988-03-25

+3 more filings

Completion packets + logs ↗ Wellbore 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
W403A
Max Depth
6,169 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY

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