42-391-01483

Final Completion

TOM OCONNOR (5800 SD) FLD. UNIT

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

Permits

2

Max Depth

4,477 ft

First Permit

1996-06-13

Latest Activity

2001-12-13

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2002-05-08

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 #000092306 permitted 2005-09-16

Permitted Volume

3,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

4,140–4,170 ft

Injected (12mo)

381,752 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (16) Elevation 53 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,447 ft
OAKVILLE 2,750 ft-2,697 ft
OAKVILLE 2,900 ft-2,847 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,247 ft
CATAHOULA 3,600 ft-3,547 ft
CATAHOULA 3,620 ft-3,567 ft
ANAHUAC 4,100 ft-4,047 ft
ANAHUAC(MIOCENE) (Anahuac)4,100 ft-4,047 ft
GRETA 4,300 ft-4,247 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,312 ft
FRIO 4,381 ft-4,328 ft
UPPER FRIO (Frio)5,000 ft-4,947 ft
LOWER FRIO (Frio)5,800 ft-5,747 ft
JACKSON/YEGUA (Jackson)
M FRIO SINTON
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 (3)

IntervalType
4,148–4,160 ftPerforated
4,175–4,191 ftPerforated
?–4,383 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,222 ft400 sx
5.5"4,477 ft900 sx

Permit History (2)

Applications (2)

#516028 A HILCORP ENERGY COMPANY
received 2001-12-11
#449108 A QUINTANA PET. CORP.
received 1996-06-10

Records & Logs

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

W-2/G-1 2020-08-07
W-2/G-1 2019-06-06
W-2/G-1 2013-07-30
W-2/G-1 2009-02-12
W-2/G-1 2008-06-02
W-2/G-1 2005-10-03

+7 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
111
Max Depth
4,477 ft
Drill Type
Vertical
County
REFUGIO
District
2
Completed
2002-05-08

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
3,436