42-391-01515

Final Completion

THOMAS O'CONNOR 'A'

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

7

Max Depth

5,921 ft

First Permit

1989-12-29

Latest Activity

2017-11-20

Lifespan

28 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 Cancelled 2012-06-14 UIC #000094738 permitted 2005-09-21

Permitted Volume

10,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,150–5,635 ft

Injected (12mo)

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 (18) Elevation 53 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,447 ft
OAKVILLE 2,750 ft-2,697 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,247 ft
CATAHOULA(MIOCENE) (Catahoula)3,300 ft-3,247 ft
OAKVILLE 3,300 ft-3,247 ft
CATAHOULA 3,586 ft-3,533 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,047 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,047 ft
FRIO-GRETA (Frio)4,365 ft-4,312 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO 4,375 ft-4,322 ft
MIDDLE FRIO (SINTO) (Frio)5,000 ft-4,947 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,947 ft
TOP 5200 EAST5,137 ft-5,084 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,827 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
42-391-01460 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Catahoula 3,590'Anahuac 4,100'Anahuac 4,100'Frio 4,342'Frio 4,365'Frio 4,365'Frio 4,365'Frio 5,000' +2 more
42-391-01487 TOM O'CONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Catahoula 3,596'Anahuac 4,100'Oakville 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.
0.3 mi
Lagarto 1,500'Oakville 2,750'Lagarto 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
42-391-31896 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.4 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'Frio 5,880'NO CHANGE
42-391-01514 TOM OCONNOR(5800 SAND)FIELD UNIT · QUINTANA PET. CORP.
0.4 mi
SURFACE SAND CLAY 1,500'Lagarto 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.
0.5 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Oakville 3,300'Catahoula 3,300'Catahoula 3,565'Catahoula 4,100'Anahuac 4,100'Frio 4,329'Anahuac 4,365'Frio 4,365'Frio 4,785' +6 more
42-391-01422 M. F. LAMBERT · PENNZOIL PRODUCING CO.
0.5 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
0.6 mi
Catahoula 3,628'Frio 4,387'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 (8)

IntervalType
5,137–5,142 ftPerforated
5,220–5,225 ftPerforated
5,255–5,275 ftPerforated
5,518–5,524 ftPerforated
5,572–5,584 ftPerforated
5,737–5,745 ftPerforated
5,852–5,860 ftPerforated
5,854–5,860 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"631 ft150 sx
5"5,919 ft500 sx

Records & Logs

13 completion filings on record · 4 with log images at RRC.

W-2/G-1 2017-11-27
W-2/G-1 2011-06-15
W-2/G-1 2005-10-07 log on file
W-2/G-1 2006-01-13
W-2/G-1 2003-05-15 log on file
W-2/G-1 2003-07-30

+7 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 28.357947
Lon -97.161884

Well Details

Well Number
37
Max Depth
5,921 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