42-391-02036

TOM OCONNOR (5800SD) FLD. UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

3

Max Depth

6,500 ft

First Permit

1990-01-15

Latest Activity

2025-09-18

Lifespan

36 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 Inactive UIC #000127092 permitted 2025-04-03

Permitted Volume

10,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,890–5,990 ft

Injected (12mo)

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

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 (15) Elevation 48 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,452 ft
SURFACE SD CLAY1,500 ft-1,452 ft
LARGARTO (Lagarto)2,750 ft-2,702 ft
OAKVILLE 2,750 ft-2,702 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,252 ft
OAKVILLE 3,300 ft-3,252 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,052 ft
CATAHOULA 4,100 ft-4,052 ft
ANAHUAC 4,365 ft-4,317 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,317 ft
FRIO-GRETA (Frio)4,785 ft-4,737 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,952 ft
MIDDLE FRIO (Frio)5,400 ft-5,352 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,832 ft
LOWER FRIO (Frio)5,912 ft-5,864 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
42-391-01579 TOM OCONNOR (5800SD) FLD. UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'Frio 5,880'
42-391-32502 TOM OCONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,688'Catahoula 3,690'Catahoula 4,100'Anahuac 4,365'Greta 4,420'Frio 4,421'Frio 4,785'SINTON 5,200'Frio 5,400'5500 5,650' +3 more
42-391-01553 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.3 mi
Catahoula 3,672'Frio 4,419'M. FRIO SINTON 5,030'NO CHANGE Jackson
42-391-01546 O'CONNOR, THOMAS 'A' · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,676'Anahuac 4,100'Frio 4,365'Frio 4,452'Frio 5,000'Frio 5,880'Jackson
42-391-01552 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.4 mi
Anahuac 2,252'Anahuac 2,252'Catahoula 3,609'Frio 4,265'Frio
42-391-01551 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 2,880'Catahoula 3,300'Oakville 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'Jackson NO CHANGE
42-391-33233 TOM O'CONNOR -D- · HILCORP ENERGY COMPANY
0.7 mi
Catahoula 3,691'Frio 4,413'GRETTA 4,661'Jackson

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 (2)

IntervalType
5,483–5,489 ftPerforated
5,850–5,857 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,014 ft350 sx
5.5"5,909 ft500 sx

Permit History (3)

Applications (3)

#910354 A HILCORP ENERGY COMPANY
received 2025-09-11
#529981 A HILCORP ENERGY COMPANY
received 2003-03-26
#365380 A QUINTANA PET. CORP.
received 1989-10-19

Records & Logs

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

W-2/G-1 2003-04-11 log on file
W-2/G-1 2003-04-23
W-2/G-1 1989-10-23
W-2/G-1 1990-04-12
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 28.354256
Lon -97.132825

Well Details

Well Number
Q106E
Max Depth
6,500 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