← Wells

42-391-01518

Final Completion

O'CONNOR, THOMAS "A"

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

6

Max Depth

5,925 ft

First Permit

1988-02-26

Latest Activity

2001-02-15

Lifespan

13 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 Cancelled 1995-01-24 UIC #000081513 permitted 1994-09-21

Permitted Volume

6,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,749–5,760 ft

Injected (12mo)

—

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2022

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 →

Formation Tops (9) Elevation 50 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTA (Lagarto)1,500 ft-1,450 ft
LARGARTO (Lagarto)1,500 ft-1,450 ft
OAKVILLE 2,750 ft-2,700 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,250 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,050 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,315 ft
MIDDLE FRIO (SINTO) (Frio)5,000 ft-4,950 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,950 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,830 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)

IntervalType
3,952–3,958 ftPerforated
4,139–4,158 ftPerforated
5,063–5,067 ftPerforated
5,564–5,570 ftPerforated
5,860–5,866 ftPerforated
?–5,536 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,031 ft250 sx
5"5,923 ft500 sx

Permit History (6)

#505220 Recompletion Final Completion

O'CONNOR, THOMAS "A" · 5,925 ft

2001-02-15

Spud 2001-03-06

#505220 Recompletion

O'CONNOR, THOMAS "A" · 5,925 ft

2001-02-15

#430019 Recompletion Final Completion

O'CONNOR, THOMAS "A" · 5,925 ft

1994-12-08

Spud 1994-10-12

#425664 Recompletion

TOM O'CONNOR (5800 SAND)FLD.UNIT · 5,925 ft

1994-07-11

#392789 Recompletion Final Completion

O'CONNOR, THOMAS "A" · 5,925 ft

1991-10-17

Spud 1991-10-14

#343119 Recompletion

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

1988-02-26

Applications (6)

#505220 A HILCORP ENERGY COMPANY
received 2001-03-19
#505220 A HILCORP ENERGY COMPANY
received 2001-02-12
#430019 A QUINTANA PET. CORP.
received 1994-11-14
#425664 A QUINTANA PET. CORP.
received 1994-07-08
#392789 A QUINTANA PET. CORP.
received 1991-10-10
#343119 A QUINTANA PET. CORP.
received 1988-02-24

Records & Logs

9 completion filings on record · 3 with log images at RRC.

W-2/G-1 2001-03-30 log on file
W-2/G-1 2001-07-17
W-2/G-1 1995-03-07 log on file
W-2/G-1 1991-10-24 log on file
W-2/G-1 1985-05-17
W-2/G-1 1985-05-17

+3 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
43
Max Depth
5,925 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY

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
3,428