← Wells

42-391-01154

Final Completion

THOMAS O'CONNOR 'C'

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

5

Max Depth

5,916 ft

First Permit

1991-10-10

Latest Activity

2016-04-01

Lifespan

24 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 →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (20) Elevation 54 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,446 ft
LARGARTO (Lagarto)2,750 ft-2,696 ft
OAKVILLE 2,750 ft-2,696 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,246 ft
OAKVILLE 3,300 ft-3,246 ft
CATAHOULA 3,558 ft-3,504 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,046 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,046 ft
CATAHOULA 4,100 ft-4,046 ft
FRIO 4,329 ft-4,275 ft
ANAHUAC 4,365 ft-4,311 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,311 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,311 ft
FRIO GRETA (Frio)4,785 ft-4,731 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,946 ft
MIDDLE FRIO (Frio)5,400 ft-5,346 ft
LOWER FRIO ( OLIGOCENE) (Frio)5,880 ft-5,826 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,826 ft
LOWER FRIO (Frio)5,916 ft-5,862 ft
JACKSON/YEGUA (Jackson)——

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
5,150–5,156 ftPerforated
5,436–5,446 ftPerforated
5,530–5,537 ftPerforated
5,698–5,705 ftPerforated
5,709–5,712 ftPerforated
5,810–5,819 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,022 ft250 sx
5"5,913 ft500 sx

Permit History (5)

#814423 Recompletion Final Completion

THOMAS O'CONNOR 'C' · 5,916 ft

2016-04-01

Spud 2016-03-29

#706146 Recompletion

THOMAS O'CONNOR "C" · 5,916 ft

2010-12-08

#487388 Recompletion Final Completion

O'CONNOR, THOMAS 'C' · 5,916 ft

1999-09-13

Spud 2000-07-14

#445018 Recompletion Final Completion

TOM O'CONNOR (5800 SD)FIELD UNIT · 5,916 ft

1996-03-01

Spud 1996-03-06

#392651 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,916 ft

1991-10-10

Spud 1992-08-11

Applications (5)

#814423 A HILCORP ENERGY COMPANY
received 2016-03-16
#706146 A HILCORP ENERGY COMPANY
received 2010-12-01
#487388 A QUINTANA PET. CORP.
received 1999-09-09
#445018 A QUINTANA PET. CORP.
received 1996-02-20
#392651 A QUINTANA PET. CORP.
received 1991-10-07

Records & Logs

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

W-2/G-1 2017-01-11
W-2/G-1 2000-08-24 log on file
W-2/G-1 2000-11-10
W-2/G-1 1996-08-14 log on file
W-2/G-1 1996-09-03 log on file
W-2/G-1 1992-11-12 log on file

+4 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
10
Max Depth
5,916 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