42-391-01501

Final Completion

TOM OCONNOR (5800 SD) FLD. UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5800)

Permits

Max Depth

5,895 ft

First Permit

2019-06-13

Latest Activity

2021-03-10

Lifespan

2 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.

Formation Tops (6) Elevation 53 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CATAHOULA	3,655 ft	-3,602 ft
CATAHOULA - DISPOSAL (Catahoula)	3,655 ft	-3,602 ft
FRIO	4,403 ft	-4,350 ft
M. FRIO SINTON	5,062 ft	-5,009 ft
JACKSON/YEGUA (Jackson)	—	—
JACKSON/YEGUA - DISPOSAL (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

✓ 42-391-01498 THOMAS OCONNOR "A" · HILCORP ENERGY COMPANY

0.2 mi

Catahoula 3,665'Frio 4,457'NO CHANGE —Jackson —

✓ 42-391-01502 O'CONNOR, THOMAS 'A' · HILCORP ENERGY COMPANY

0.2 mi

Catahoula 3,628'Frio 4,387'Jackson —

✓ 42-391-01524 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.

0.4 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

✓ 42-391-01473 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 —

✓ 42-391-01514 TOM OCONNOR(5800 SAND)FIELD UNIT · QUINTANA PET. CORP.

0.5 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

✓ 42-391-01520 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'KIWER FRIO 5,880' +1 more

✓ 42-391-01546 O'CONNOR, THOMAS 'A' · QUINTANA PET. CORP.

0.7 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 —

✓ 42-391-01460 THOMAS O'CONNOR 'A' · QUINTANA PET. CORP.

0.7 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

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 (3)

Interval	Type
5,470–5,484 ft	Perforated
5,873–5,883 ft	Perforated
?–5,800 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	511 ft	250 sx
7"	5,797 ft	500 sx
5"	5,895 ft	75 sx

Permit History (2)

#868229 Recompletion Final Completion

TOM O'CONNOR (5800 SD) FLD UNIT · 5,895 ft

2021-03-10

#854024 Recompletion Final Completion

O'CONNOR, THOMAS 'A' · 5,895 ft

2019-06-13

Spud 2019-02-25

Applications (2)

#868229 A HILCORP ENERGY COMPANY

received 2021-03-08

#854024 A HILCORP ENERGY COMPANY

received 2019-06-10

Records & Logs

5 completion filings on record.

W-2/G-1 2021-04-29

W-2/G-1 2019-10-16

W-2/G-1 2019-09-06

W-2/G-1 2019-06-19

W-2/G-1 1984-01-12

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 28.351500

Lon -97.150880

Well Details

Well Number: Q008
Max Depth: 5,895 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY

Operator

Name: HILCORP ENGY CO
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