42-391-01567

O CONNOR THOMAS -C-

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

Permits

2

Max Depth

5,925 ft

First Permit

1991-02-20

Latest Activity

2023-09-18

Lifespan

33 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 #000124343 permitted 2023-08-08

Permitted Volume

10,000 bbl/d

Max Pressure

1,800 psi

Injection Interval

5,719–5,732 ft

Injected (12mo)

438,670 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Lease Production

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

Formation Tops (8) Elevation 48 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,452 ft
OAKVILLE 2,750 ft-2,702 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,252 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,052 ft
FRIO 4,365 ft-4,317 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,317 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,952 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,832 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
42-391-01153 OCONNOR, THOMAS -C- · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 1,500'Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,540'Anahuac 4,100'Anahuac 4,150'Frio 4,365'Frio 5,000'Frio 5,880'
42-391-01564 OCONNOR, THOMAS -C- · HILCORP ENERGY COMPANY
0.2 mi
Oakville 2,750'Catahoula 3,300'Frio 4,365'
42-391-01152 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,599'Anahuac 4,100'Frio 4,353'Frio 4,365'Frio 5,000'5800 FRIO 5,750'Frio 5,880'Jackson NO CHANGE
42-391-01148 TOM O'CONNOR (5800 SD)FIELD UNIT · QUINTANA PET. CORP.
0.4 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
42-391-01158 THOMAS O'CONNOR 'C' · HILCORP ENERGY COMPANY
0.5 mi
Oakville 2,900'Catahoula 3,548'Catahoula 3,600'Anahuac 4,100'Greta 4,300'Frio 4,330'Frio 5,000'Frio 5,800'Jackson Jackson
42-391-01551 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 2,880'Oakville 3,300'Catahoula 3,300'Catahoula 3,655'Catahoula 4,100'Anahuac 4,100'Anahuac 4,230'Frio 4,365'Anahuac 4,365' +9 more
42-391-01539 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.6 mi
Catahoula 3,650'Greta 4,362'Frio 4,402'Frio 5,068'Frio 5,891'NO CHANGE Jackson
42-391-01147 THOMAS O'CONNOR 'C' · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Oakville 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 (3)

IntervalType
5,719–5,732 ftPerforated
5,795–5,800 ftPerforated
?–5,500 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,036 ft350 sx
5"5,923 ft500 sx

Permit History (2)

Applications (2)

#893733 A HILCORP ENERGY COMPANY
received 2023-09-14
#384602 A QUINTANA PET. CORP.
received 1991-02-13

Records & Logs

5 completion filings on record · 1 with log images at RRC.

W-2/G-1 2023-09-22
W-2/G-1 1993-03-08 log on file
W-2/G-1 1993-03-11
W-2/G-1 1976-08-20
W-2/G-1 1984-01-12

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 28.366596
Lon -97.143434

Well Details

Well Number
39
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
3,435