← Wells

42-391-01140

Final Completion

O CONNOR THOMAS -C-

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

10

Max Depth

5,900 ft

First Permit

1987-07-21

Latest Activity

2009-11-13

Lifespan

22 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1995-07-24

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000066569 permitted 2013-02-26

Permitted Volume

10,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,000–4,050 ft

Injected (12mo)

694,342 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

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

Formation Tops (24) Elevation 53 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,447 ft
LARGARTO (Lagarto)2,750 ft-2,697 ft
OAKVILLE 2,750 ft-2,697 ft
OAKVILLE 2,900 ft-2,847 ft
CATAHOULA 3,300 ft-3,247 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,247 ft
CATAHOULA-MIOCENE (Catahoula)3,300 ft-3,247 ft
OAKVILLE 3,300 ft-3,247 ft
CATAHOULA 3,599 ft-3,546 ft
CATAHOULA 3,600 ft-3,547 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,047 ft
CATAHOULA 4,100 ft-4,047 ft
FRIO 4,345 ft-4,292 ft
ANAHAUC4,365 ft-4,312 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO-GRETA (Frio)4,785 ft-4,732 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,947 ft
MIDDLE FRIO (Frio)5,400 ft-5,347 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,827 ft
FRIO 5,900 ft-5,847 ft
LOWER FRIO (Frio)5,900 ft-5,847 ft
JACKSON/YEGUA (Jackson)——
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 (14)

IntervalType
3,990–4,010 ftPerforated
4,900–4,906 ftPerforated
5,070–5,090 ftPerforated
5,340–5,347 ftPerforated
5,354–5,361 ftPerforated
5,372–5,380 ftPerforated
5,385–5,392 ftPerforated
5,428–5,435 ftPerforated
5,451–5,457 ftPerforated
5,508–5,514 ftPerforated
5,570–5,575 ftPerforated
5,743–5,748 ftPerforated
5,743–5,757 ftPerforated
5,848–5,852 ftPerforated

Casing (4)

SizeSet DepthCement
9.625"1,411 ft700 sx
5.5"5,898 ft840 sx
5.5"5,898 ft840 sx
5.5"5,899 ft840 sx

Permit History (10)

#687118 Recompletion Final Completion

THOMAS O'CONNOR 'C' · 5,900 ft

2009-11-13

Spud 2011-10-31

#687118 Recompletion

THOMAS O'CONNOR "C" · 5,900 ft

2009-11-13

#687118 Recompletion

THOMAS O'CONNOR "C" · 5,900 ft

2009-11-13

#544295 Reenter Final Completion

O'CONNOR, THOMAS "C" · 5,900 ft

2004-04-12

Spud 2004-08-24

#516138 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,900 ft

2001-12-19

Spud 2002-01-23

#499552 Recompletion Final Completion

O'CONNOR, THOMAS 'C' · 5,900 ft

2000-09-14

Spud 2000-08-14

#443782 Recompletion Final Completion

TOM OCONNOR(5800 SAND)FIELD UNIT · 5,900 ft

1996-01-24

Spud 1996-03-04

#437868 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,900 ft

1995-07-18

Spud 1995-05-17

#405103 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,900 ft

1992-10-26

Spud 1992-11-19

#333181 Recompletion Final Completion

TOM OCONNOR(5800 SAND)FIELD UNIT · 5,900 ft

1987-07-21

Applications (10)

#687118 A HILCORP ENERGY COMPANY
received 2011-06-21
#687118 A HILCORP ENERGY COMPANY
received 2010-08-10
#687118 A HILCORP ENERGY COMPANY
received 2009-11-09
#544295 A HILCORP ENERGY COMPANY
received 2004-04-09
#516138 A HILCORP ENERGY COMPANY
received 2001-12-14
#499552 A QUINTANA PET. CORP.
received 2000-09-13
#443782 A QUINTANA PET. CORP.
received 1996-01-17
#437868 A QUINTANA PET. CORP.
received 1995-07-14
#405103 A QUINTANA PET. CORP.
received 1992-10-23
#333181 A QUINTANA PET. CORP.
received 1987-07-20

Records & Logs

19 completion filings on record · 7 with log images at RRC.

W-2/G-1 2017-02-10
W-2/G-1 2013-05-30
W-2/G-1 2012-10-12
W-2/G-1 2004-09-27 log on file
W-2/G-1 2005-03-01
W-2/G-1 2002-03-01 log on file

+13 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
3G
Max Depth
5,900 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY
Completed
1995-07-24

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
3,436