42-391-01498

THOMAS O'CONNOR 'A'

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

3

Max Depth

5,910 ft

First Permit

2007-11-12

Latest Activity

2024-11-04

Lifespan

17 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 #000117657 permitted 2024-12-20

Permitted Volume

10,000 bbl/d

Max Pressure

2,800 psi

Injection Interval

5,665–5,799 ft

Injected (12mo)

65,784 bbl

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 (4) Elevation 51 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,665 ft-3,614 ft
FRIO 4,457 ft-4,406 ft
JACKSON/YEGUA (Jackson)
NO CHANGE

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
42-391-01501 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,655'Catahoula 3,655'Frio 4,403'M. FRIO SINTON 5,062'Jackson Jackson
42-391-01502 O'CONNOR, THOMAS 'A' · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,628'Frio 4,387'Jackson
42-391-01524 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Catahoula 3,688'Anahuac 4,100'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 4,432'Frio 5,000'Frio 5,000' +3 more
42-391-01546 O'CONNOR, THOMAS 'A' · QUINTANA PET. CORP.
0.5 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
42-391-01520 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,000'Frio 5,880' +1 more
42-391-01514 TOM OCONNOR(5800 SAND)FIELD UNIT · QUINTANA PET. CORP.
0.6 mi
SURFACE SAND CLAY 1,500'Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,300'Catahoula 4,100'Anahuac 4,100'Greta 4,362'Anahuac 4,365'Frio 4,365' +8 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
42-391-01553 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.7 mi
Catahoula 3,672'Frio 4,419'M. FRIO SINTON 5,030'NO CHANGE 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 (4)

IntervalType
5,000–5,006 ftPerforated
5,519–? ftPerforated
5,772–5,783 ftPerforated
5,801–5,806 ftPerforated

Casing (6)

SizeSet DepthCement
10.75"748 ft250 sx
10.75"750 ft250 sx
10.75"1,245 ft400 sx
7"5,789 ft500 sx
5"5,909 ft125 sx
7"5,948 ft980 sx

Permit History (3)

Applications (3)

#903613 A HILCORP ENERGY COMPANY
received 2024-10-29
#852683 A HILCORP ENERGY COMPANY
received 2019-05-01
#649040 A HILCORP ENERGY COMPANY
received 2007-11-06

Records & Logs

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

W-2/G-1 2023-03-22
W-2/G-1 2022-07-20
W-2/G-1 2019-05-06
W-2/G-1 2008-03-19 log on file
W-2/G-1 2008-05-01
W-2/G-1 1968-12-18

+1 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 28.352678
Lon -97.148115

Well Details

Well Number
5
Max Depth
5,910 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