42-391-01539

Final Completion

TOM OCONNOR (5800 SD) FLD. UNIT

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

Permits

3

Max Depth

5,891 ft

First Permit

2003-03-05

Latest Activity

2023-07-14

Lifespan

20 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

Lease Production

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

Formation Tops (7) Elevation 50 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CATAHOULA 3,650 ft-3,600 ft
GRETA 4,362 ft-4,312 ft
FRIO 4,402 ft-4,352 ft
FRIO 5,068 ft-5,018 ft
FRIO 5,891 ft-5,841 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
42-391-01551 TOM OCONNOR (5800 SD) FLD. UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Oakville 2,880'Catahoula 3,300'Oakville 3,300'Catahoula 3,655'Anahuac 4,100'Catahoula 4,100'Anahuac 4,230'Frio 4,365'Anahuac 4,365' +9 more
42-391-01552 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.2 mi
Anahuac 2,252'Anahuac 2,252'Catahoula 3,609'Frio 4,265'Frio
42-391-01553 TOM O'CONNOR (5800 SD) FLD UNIT · HILCORP ENERGY COMPANY
0.3 mi
Catahoula 3,672'Frio 4,419'M. FRIO SINTON 5,030'Jackson NO CHANGE
42-391-01546 O'CONNOR, THOMAS 'A' · QUINTANA PET. CORP.
0.4 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
42-391-01564 OCONNOR, THOMAS -C- · HILCORP ENERGY COMPANY
0.4 mi
Oakville 2,750'Catahoula 3,300'Frio 4,365'
42-391-01579 TOM OCONNOR (5800SD) 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'
42-391-01567 TOM O'CONNOR(5800'SAND)FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,880'
42-391-02036 TOM OCONNOR (5800SD) FLD. UNIT · QUINTANA PET. CORP.
0.6 mi
SURFACE SD CLAY 1,500'Lagarto 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 4,100'Anahuac 4,100'Frio 4,365'Anahuac 4,365'Frio 4,785'Frio 5,000' +3 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 (5)

IntervalType
5,241–5,250 ftPerforated
5,296–5,300 ftPerforated
5,311–5,315 ftPerforated
5,322–5,330 ftPerforated
5,803–5,824 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"503 ft100 sx
7"5,801 ft400 sx
7"5,801 ft400 sx

Records & Logs

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

W-2/G-1 2023-08-24
W-2/G-1 2020-12-15
W-2/G-1 2011-06-29
W-2/G-1 2003-07-03 log on file
W-2/G-1 2003-10-09
W-2/G-1 1984-01-12

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 28.358794
Lon -97.141047

Well Details

Well Number
Q023 E
Max Depth
5,891 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