42-391-01128

Final Completion

O'CONNOR, THOMAS "C"

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

Max Depth

5,940 ft

First Permit

1990-01-09

Latest Activity

2002-01-24

Lifespan

12 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.

Formation Tops (9) Elevation 58 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,442 ft
CATAHOULA	2,750 ft	-2,692 ft
OAKVILLE	2,750 ft	-2,692 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
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,942 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,822 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 (3)

Interval	Type
5,778–5,790 ft	Perforated
5,909–5,918 ft	Perforated
5,922–5,930 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,043 ft	350 sx
5"	5,938 ft	500 sx

Permit History (4)

#516431 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,940 ft

2002-01-24

Spud 2002-01-24

#480334 Recompletion

O'CONNOR, THOMAS 'C' · 5,940 ft

1998-10-22

#428170 Recompletion U

TOM O'CONNOR(5800 SAND)FLD. UNIT · 5,940 ft

1994-09-22

Spud 1993-12-09

#365663 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,940 ft

1990-01-09

Applications (4)

#516431 A HILCORP ENERGY COMPANY

received 2001-12-27

#480334 A QUINTANA PET. CORP.

received 1998-10-21

#428170 A QUINTANA PET. CORP.

received 1994-09-19

#365663 A QUINTANA PET. CORP.

received 1989-10-26

Records & Logs

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

W-2/G-1 2002-04-02 log on file

W-2/G-1 2002-04-18

W-2/G-1 1994-09-27 log on file

W-2/G-1 1990-01-22 log on file

W-2/G-1 1990-02-28

+1 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: 17
Max Depth: 5,940 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY

Operator

Name: HILCORP ENGY CO
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: 3,429