42-391-01462

Final Completion

O'CONNOR, THOMAS "A"

REFUGIO County · District 2 · QUINTANA PET. CORP.

Permits

Max Depth

5,901 ft

First Permit

1988-02-26

Latest Activity

1989-12-21

Lifespan

2 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

Injection / Disposal

H-1 Injection Active UIC #000116257 permitted 2018-05-15

Permitted Volume

5,000 bbl/d

Max Pressure

2,025 psi

Injection Interval

4,050–4,200 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

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.

Formation Tops (17) Elevation 53 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTA (Lagarto)	1,500 ft	-1,447 ft
LARGARTO (Lagarto)	1,500 ft	-1,447 ft
ANAHUAC	2,750 ft	-2,697 ft
OAKVILLE	2,750 ft	-2,697 ft
CATAHOULA (MIOCENE) (Catahoula)	3,300 ft	-3,247 ft
CATAHOULA(MIOCENE) (Catahoula)	3,300 ft	-3,247 ft
CATAHOULA	3,614 ft	-3,561 ft
ANAHUAC (MIOCENE) (Anahuac)	4,100 ft	-4,047 ft
ANAHUAC(MIOCENE) (Anahuac)	4,100 ft	-4,047 ft
FRIO	4,351 ft	-4,298 ft
FRIO-GRETA (OLIGOCENE) (Frio)	4,365 ft	-4,312 ft
FRIO-GRETA(OLIGOCENE) (Frio)	4,365 ft	-4,312 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,947 ft
MIDDLE FRIO(SINTON) (Frio)	5,000 ft	-4,947 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,827 ft
LOWER FRIO(OLIGOCENE) (Frio)	5,880 ft	-5,827 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 (2)

Interval	Type
4,125–4,135 ft	Perforated
5,699–5,703 ft	Perforated