42-391-00514

Final Completion

TOM O'CONNOR (5600 FT. SD.) UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

3

Max Depth

5,928 ft

First Permit

1979-07-02

Latest Activity

2005-09-15

Lifespan

26 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 #000094739 permitted 2005-02-02

Permitted Volume

10,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,634–5,670 ft

Injected (12mo)

207,730 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Lease Production

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

Formation Tops (11) Elevation 58 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,442 ft
OAKVILLE 2,750 ft-2,692 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,242 ft
CATAHOULA 3,624 ft-3,566 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,042 ft
FRIO-GRETA (OLIGOCEE) (Frio)4,365 ft-4,307 ft
FRIO 4,370 ft-4,312 ft
MIDDLE FRIO(SINTON (Frio)5,000 ft-4,942 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,822 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 ↗

Perforations (2)

IntervalType
5,643–5,655 ftPerforated
5,915–5,923 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,004 ft350 sx
9.625"1,015 ft350 sx
5"5,926 ft500 sx

Records & Logs

8 completion filings on record · 5 with log images at RRC.

W-2/G-1 2019-04-30
W-2/G-1 2005-10-03 log on file
W-2/G-1 1993-10-21 log on file
W-2/G-1 1993-10-21 log on file
W-2/G-1 1993-10-21 log on file
W-2/G-1 1993-10-21 log on file

+2 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in REFUGIO County.

Well Details

Well Number
W907B
Max Depth
5,928 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