42-391-01460

Final Completion

OCONNOR THOMAS -A-

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

Permits

3

Max Depth

5,950 ft

First Permit

1985-12-12

Latest Activity

2021-11-22

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 Active UIC #000080329 permitted 2021-07-22

Permitted Volume

15,000 bbl/d

Max Pressure

2,200 psi

Injection Interval

4,400–4,850 ft

Injected (12mo)

2,543,524 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 (14) Elevation 52 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,448 ft
OAKVILLE 2,750 ft-2,698 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,248 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,248 ft
CATAHOULA 3,590 ft-3,538 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,048 ft
ANAHUAC SHALE (Anahuac)4,100 ft-4,048 ft
FRIO 4,342 ft-4,290 ft
FRIO - GRETA (OLIGOCENE) (Frio)4,365 ft-4,313 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,313 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,313 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,948 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,828 ft
JACKSON/YEGUA (Jackson)

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
42-391-01487 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.0 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Catahoula 3,596'Oakville 4,100'Anahuac 4,100'Frio 4,341'Frio 4,365'Frio 4,365'Anahuac 4,365'Frio 5,000' +5 more
42-391-01467 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Oakville 2,900'Oakville 3,300'Catahoula 3,300'Catahoula 3,600'Catahoula 3,602'Catahoula 4,100'Anahuac 4,100'Anahuac 4,100'Greta 4,300' +13 more
42-391-01515 TOM O'CONNOR "A" · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,300'Catahoula 3,586'Anahuac 4,100'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 4,365'Frio 4,375' +6 more
42-391-01422 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.4 mi
Catahoula 3,628'Frio 4,352'5,250 5,226'5,900 5,841'NO CHANGE Jackson
42-391-01502 O'CONNOR, THOMAS 'A' · HILCORP ENERGY COMPANY
0.5 mi
Catahoula 3,628'Frio 4,387'Jackson
42-391-01514 TOM OCONNOR(5800 SAND)FIELD UNIT · QUINTANA PET. CORP.
0.5 mi
SURFACE SAND CLAY 1,500'Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 3,300'Catahoula 4,100'Anahuac 4,100'Greta 4,362'Frio 4,365'Anahuac 4,365' +8 more
42-391-01473 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.5 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,635'Anahuac 4,100'Frio 4,365'Frio 4,398'Frio 5,000'Frio 5,880'Jackson
42-391-31896 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE

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 (8)

IntervalType
4,650–4,750 ftPerforated
5,130–5,135 ftPerforated
5,243–5,251 ftPerforated
5,474–5,479 ftPerforated
5,712–5,720 ftPerforated
5,740–5,750 ftPerforated
5,740–5,752 ftPerforated
?–5,748 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"684 ft150 sx
7"5,948 ft500 sx

Permit History (3)

Applications (3)

#874514 A HILCORP ENERGY COMPANY
received 2021-11-11
#818936 A HILCORP ENERGY COMPANY
received 2016-09-29
#292620 A QUINTANA PET. CORP.
received 1985-12-06

Records & Logs

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

W-2/G-1 2021-12-10
W-2/G-1 2017-10-09 log on file
W-2/G-1 2003-10-09
W-2/G-1 1994-02-01
W-2/G-1 1986-02-07
W-2/G-1 1986-02-07

+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 28.355183
Lon -97.162104

Well Details

Well Number
33
Max Depth
5,950 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