42-391-01520

Final Completion

TOM O'CONNOR (5800 SD) FLD. UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

6

Max Depth

5,925 ft

First Permit

1983-10-19

Latest Activity

2024-04-18

Lifespan

40 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

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (13) Elevation 50 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,450 ft
OAKVILLE 2,750 ft-2,700 ft
CATAHOULA 3,300 ft-3,250 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,250 ft
ANAHUAC 4,100 ft-4,050 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,050 ft
FRIO 4,365 ft-4,315 ft
FRIO-GRETA (Frio)4,365 ft-4,315 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,315 ft
MIDDLE FRIO (Frio)5,000 ft-4,950 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,950 ft
KIWER FRIO5,880 ft-5,830 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-391-01514 TOM OCONNOR(5800 SAND)FIELD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Oakville 3,300'Catahoula 4,100'Anahuac 4,100'Greta 4,362'Anahuac 4,365'Frio 4,365' +8 more
42-391-01167 O'CONNOR, THOMAS 'C' · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,565'Anahuac 4,100'Catahoula 4,100'Frio 4,329'Anahuac 4,365'Frio 4,365'Frio 4,785' +6 more
42-391-01502 O'CONNOR, THOMAS 'A' · HILCORP ENERGY COMPANY
0.5 mi
Catahoula 3,628'Frio 4,387'Jackson
42-391-01564 OCONNOR, THOMAS -C- · HILCORP ENERGY COMPANY
0.5 mi
Oakville 2,750'Catahoula 3,300'Frio 4,365'
42-391-31613 TOM O'CONNOR (5800 SAND) FIELD U · QUINTANA PET. CORP.
0.5 mi
SURFACE, SAND & CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,560'Catahoula 4,100'Frio 4,325'Anahuac 4,365'Frio 4,785'Frio 5,400'Frio 6,110'Jackson
42-391-01148 TOM O'CONNOR (5800 SD)FIELD UNIT · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 4,366'Catahoula 4,566'TOP PF 4900 4,739'Frio 5,000'Frio 5,880'Jackson NO CHANGE
42-391-01171 TOM O'CONNOR (4150 FT. SD.) UNIT · HILCORP ENERGY COMPANY
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,559'Anahuac 4,100'Frio 4,332'Frio 4,365'Frio 5,000'Frio 5,880'Jackson
42-391-01147 THOMAS O'CONNOR 'C' · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,538'Anahuac 4,100'Catahoula 4,100'Frio 4,321'Anahuac 4,365'Frio 4,365'Frio 4,785' +5 more

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (6)

IntervalType
5,372–5,382 ftPerforated
5,722–5,730 ftPerforated
5,765–5,775 ftPerforated
5,770–5,775 ftPerforated
?–5,780 ftPerforated
?–5,800 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,038 ft250 sx
5"5,923 ft500 sx

Records & Logs

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

W-2/G-1 2024-10-08
W-2/G-1 1991-08-29 log on file
W-2/G-1 1991-09-27
W-2/G-1 1988-03-07 log on file
W-2/G-1 1988-03-30
W-2/G-1 1984-02-02

+4 more 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.

Lat 28.359936
Lon -97.152402

Well Details

Well Number
Q045
Max Depth
5,925 ft
Drill Type
Vertical
County
REFUGIO
District
2

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