42-391-01466

Final Completion

TOM OCONNOR (5800 SD) FLD. UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)

Permits

Max Depth

5,896 ft

First Permit

1995-08-21

Latest Activity

1997-11-06

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: QUINTANA PET. CORP.

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Inactive UIC #000116408 permitted 2018-06-20

Permitted Volume

10,000 bbl/d

Max Pressure

2,900 psi

Injection Interval

5,800–5,895 ft

Injected (12mo)

—

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 (12) Elevation 51 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	2,750 ft	-2,699 ft
OAKVILLE	3,300 ft	-3,249 ft
CATAHOULA	4,100 ft	-4,049 ft
CATAHOULA (MIOCENE) (Catahoula)	4,100 ft	-4,049 ft
CATAHOULD (MIOCENE)	4,100 ft	-4,049 ft
ANAHUAC	4,365 ft	-4,314 ft
ANAHUAC (MIOCENE) (Anahuac)	4,365 ft	-4,314 ft
FRIO-GRETA (OLIG) (Frio)	4,785 ft	-4,734 ft
MIDDLE FRIO (Frio)	5,400 ft	-5,349 ft
MIDDLE FRIO (SINTON) (Frio)	5,400 ft	-5,349 ft
LOWER FRIO (OLIG) (Frio)	5,896 ft	-5,845 ft
LWR FRIO (OLIG)	5,896 ft	-5,845 ft

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)

Interval	Type
4,856–4,863 ft	Perforated
5,813–5,819 ft	Perforated
5,839–5,853 ft	Perforated
5,861–5,866 ft	Perforated
5,872–5,879 ft	Perforated
?–5,821 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	622 ft	150 sx
9.625"	622 ft	150 sx
5.5"	5,896 ft	600 sx

Permit History (2)

#469627 Recompletion Final Completion

TOM O'CONNOR (5800 SD)FLD. UNIT · 5,896 ft

1997-11-06

Spud 1998-04-17

#439037 Recompletion Final Completion

O'CONNOR, THOMAS "A" · 5,896 ft

1995-08-21

Spud 1995-08-14

Applications (2)

#469627 A QUINTANA PET. CORP.

received 1997-11-03

#439037 A QUINTANA PET. CORP.

received 1995-08-17

Records & Logs

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

W-2/G-1 2023-05-30

W-2/G-1 2022-02-03

W-2/G-1 1998-07-01 log on file

W-2/G-1 1998-07-16

W-2/G-1 1996-11-12 log on file

W-2/G-1 1997-01-15

+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: Q041
Max Depth: 5,896 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: 3,436