← Wells

42-391-32533

Final Completion

TOM O'CONNOR (4150 FT. SD.) UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

8

Max Depth

6,400 ft

First Permit

2003-09-12

Latest Activity

2017-11-17

Lifespan

14 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

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (14) Elevation 58 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)2,750 ft-2,692 ft
OAKVILLE 3,300 ft-3,242 ft
CATAHOULA 3,566 ft-3,508 ft
CATAHOULA (MIOCENE) (Catahoula)4,100 ft-4,042 ft
CATAHOULA(MIOCENE) (Catahoula)4,100 ft-4,042 ft
GRETA 4,300 ft-4,242 ft
FRIO 4,318 ft-4,260 ft
ANAHUAC (MIOCENE) (Anahuac)4,365 ft-4,307 ft
FRIO-GRETA (OLIG) (Frio)4,785 ft-4,727 ft
UPPER FRIO (Frio)5,000 ft-4,942 ft
MIDDLE FRIO (SINTON) (Frio)5,400 ft-5,342 ft
LOWER FRIO (Frio)5,800 ft-5,742 ft
LOWER FRIO (OLIGOCENE) (Frio)6,200 ft-6,142 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
✓ 42-391-32518 HEARD, CLEMENT · HILCORP ENERGY COMPANY
0.0 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,560'Catahoula 3,563'Oakville 4,100'Frio 4,316'Anahuac 4,365'ANANHUAC 4,365'Anahuac 4,365'Frio 4,785'Frio 4,785'Frio 5,400' +4 more
✓ 42-391-33211 CLEMENT HEARD 42 · HILCORP ENERGY COMPANY
0.1 mi
Catahoula 3,544'Frio 4,320'Jackson —
✓ 42-391-32492 HEARD, CLEMENT · HILCORP ENERGY COMPANY
0.2 mi
SURFACE SD CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,533'Catahoula 4,100'Frio 4,313'Anahuac 4,365'Frio 4,785'Frio 4,785'Frio 6,202'Jackson —
✓ 42-391-33207 CLEMENT HEARD 41 · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,528'Frio 4,316'Jackson —
✓ 42-391-31248 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 3,300'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,000'Frio 5,880'
✓ 42-391-31609 TOM O'CONNOR (5800'SD)FIELD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,609'Anahuac 4,100'Frio 4,365'Frio 5,000'Frio 5,068'Frio 5,880'NO CHANGE —
✓ 42-391-32503 BAUER, MARY CLAIRE ET VIR · HILCORP ENERGY COMPANY
0.2 mi
SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,544'Catahoula 4,100'Frio 4,320'ANAHAUAC 4,365'Anahuac 4,365'TOP 4500 4,379'Frio 4,785'5200 TOP 5,096'Frio 5,400' +2 more
✓ 42-391-31860 TOM O'CONNOR (5800'SAND)FIELD UT · QUINTANA PET. CORP.
0.3 mi
Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,880'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 (6)

IntervalType
4,092–4,102 ftPerforated
4,379–4,384 ftPerforated
4,380–4,392 ftPerforated
5,155–5,159 ftPerforated
5,466–5,474 ftPerforated
5,816–5,820 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,418 ft670 sx
7"6,195 ft1,115 sx

Permit History (8)

#833145 Recompletion Final Completion

TOM O'CONNOR (4150 FT. SD.) UNIT · 6,200 ft

2017-11-17

Spud 2017-11-16

#770841 Recompletion Final Completion

CLEMENT HEARD · 6,200 ft

2013-10-11

Spud 2013-10-08

#716414 Recompletion

CLEMENT HEARD · 6,200 ft

2011-05-18

#656925 Recompletion Final Completion

CLEMENT HEARD · 6,200 ft

2008-03-19

Spud 2008-03-07

#616777 Recompletion Final Completion

CLEMENT HEARD · 6,200 ft

2006-04-04

Spud 2006-02-15

#610158 Recompletion Final Completion

HEARD, CLEMENT · 6,400 ft

2005-11-30

Spud 2005-12-08

#536221 Drill

HEARD, CLEMENT · 6,400 ft

2003-09-12

Spud 2003-09-18

#536221 Drill Final Completion

HEARD, CLEMENT · 6,400 ft

2003-09-12

Applications (9)

#833145 A HILCORP ENERGY COMPANY
received 2017-11-13
#770841 A HILCORP ENERGY COMPANY
received 2013-09-30
#716414 Z HILCORP ENERGY COMPANY
received 2012-03-12
#716414 A HILCORP ENERGY COMPANY
received 2011-05-13
#656925 A HILCORP ENERGY COMPANY
received 2008-03-07
#616777 A HILCORP ENERGY COMPANY
received 2006-03-30
#610158 A HILCORP ENERGY COMPANY
received 2005-11-29
#536221 A HILCORP ENERGY COMPANY
received 2003-10-06
#536221 A HILCORP ENERGY COMPANY
received 2003-09-09

Records & Logs

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

W-2/G-1 2018-09-05
W-2/G-1 2013-10-17
W-2/G-1 2008-03-26 log on file
W-2/G-1 2008-05-01
W-2/G-1 2006-04-21 log on file
W-2/G-1 2006-09-18

+4 more filings

Completion packets + logs ↗ Wellbore 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.

Google Maps → Explorer Map →
Lat 28.375478
Lon -97.153564

Well Details

Well Number
W536A
Max Depth
6,400 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY

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