42-391-01175

Final Completion

O CONNOR THOMAS -C-

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

Permits

Max Depth

5,925 ft

First Permit

1983-05-06

Latest Activity

1983-05-09

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-04-07

Shut-In

—

Plugged

2000-08-29

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 Plugged 2001-04-09 UIC #000084475 permitted 1996-03-12

Permitted Volume

5,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

5,684–5,708 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 (7) Elevation 55 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,445 ft
OAKVILLE	2,750 ft	-2,695 ft
CATAHOULA(MIOCENE) (Catahoula)	3,300 ft	-3,245 ft
ANAHUAC(MIOCENE) (Anahuac)	4,100 ft	-4,045 ft
FRIO-GRETA(OLIGOCENE) (Frio)	4,365 ft	-4,310 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,945 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,825 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 (4)

Interval	Type
5,684–5,692 ft	Perforated
5,697–5,706 ft	Perforated
5,814–5,822 ft	Perforated
?–5,800 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	1,021 ft	350 sx
1.5"	5,637 ft	—
1.5"	5,780 ft	—
5"	5,923 ft	460 sx

Permit History (2)

#193910 Recompletion Final Completion

TOM O'CONNOR (5800'SD)FIELD UNIT · 5,925 ft

1983-05-09

#194767 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 5,925 ft

1983-05-06

Applications (2)

#193910 A QUINTANA PET. CORP.

received 1983-05-09

#194767 A QUINTANA PET. CORP.

received 1983-05-06

Records & Logs

4 completion filings on record.

W-2/G-1 1996-08-27

W-2/G-1 1983-05-18

W-2/G-1 1984-01-12

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: Q231
Max Depth: 5,925 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 1983-04-07

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: 3,428