42-391-80645

TOM O'CONNOR(5600 FOOT SAND)UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

2

Max Depth

5,920 ft

First Permit

2011-03-09

Latest Activity

2020-08-19

Lifespan

9 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 #000126747 permitted 2024-08-02

Permitted Volume

15,000 bbl/d

Max Pressure

2,225 psi

Injection Interval

5,690–5,890 ft

Injected (12mo)

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 (3) Elevation 55 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)2,750 ft-2,695 ft
CATAHOULA 3,300 ft-3,245 ft
FRIO 4,265 ft-4,210 ft

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
42-391-00519 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.3 mi
SURFACE SD CLAY 1,500'Lagarto 2,750'Oakville 3,300'Catahoula 3,697'Catahoula 4,100'Anahuac 4,365'Frio 4,441'Frio 4,785'Frio 5,400'Frio 5,923'Jackson
42-391-00546 HEARD CLAUDE E., ET AL · HILCORP ENERGY COMPANY
0.4 mi
Catahoula 3,617'Frio 4,374'Frio 5,925'Jackson
42-391-00529 WILLIAMS, MAUDE, ET AL -B- · HILCORP ENERGY COMPANY
0.5 mi
Catahoula 11'Frio 11'Oakville 2,750'Catahoula 3,609'Frio 4,785'Jackson
42-391-00528 WILLIAMS, MAUDE ET AL 'B' · 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
42-391-33181 HEARD, CLAUDE E. ET AL · HILCORP ENERGY COMPANY
0.7 mi
Catahoula 3,582'Catahoula 3,595'Frio 4,432'Jackson
42-391-33136 TOM O'CONNOR (5800 SD) FLD. UNIT · HILCORP ENERGY COMPANY
0.8 mi
Catahoula 3,595'Frio 4,372'Jackson Jackson Jackson
42-391-00556 TOM O'CONNOR(5800 SD)FLD UNIT · HILCORP ENERGY COMPANY
0.8 mi
Catahoula 3,588'Frio 4,331'Frio 5,980'NO CHANGE. Jackson NO CHANGE
42-391-00470 WILLIAMS, MAUDE ET AL "A" · QUINTANA PET. CORP.
0.8 mi
SURFACE SAND & CLAY 1'Lagarto 1,500'Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Anahuac 4,100'Frio 4,365'Frio 5,000'5800 SAND 5,700'Frio 5,880'

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 (2)

IntervalType
5,693–5,697 ftPerforated
5,860–5,886 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,034 ft350 sx
5.5"5,917 ft500 sx

Permit History (2)

Applications (2)

#864636 A HILCORP ENERGY COMPANY
received 2020-08-11
#711302 A HILCORP ENERGY COMPANY
received 2011-03-02

Records & Logs

2 completion filings on record.

W-2/G-1 2024-10-10
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 28.409441
Lon -97.124938

Well Details

Well Number
W913B
Max Depth
5,920 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