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42-391-00574

Final Completion

TOM OCONNOR (5800 SD) FLD. UNIT

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

Permits

5

Max Depth

5,927 ft

First Permit

1989-11-13

Latest Activity

2016-06-09

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-04-16

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Cancelled 1991-05-14 UIC #000001950 permitted 1972-05-01

Permitted Volume

7,000 bbl/d

Max Pressure

600 psi

Injection Interval

3,778–3,808 ft

Injected (12mo)

—

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.

Gas
production & DCA →
Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (13) Elevation 49 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,451 ft
OAKVILLE 2,750 ft-2,701 ft
CATAHOULA(MIOCENE (Catahoula)3,300 ft-3,251 ft
CATAHOULA 3,624 ft-3,575 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,051 ft
FRIO-GRETA(OLIGOCENE) (Frio)4,365 ft-4,316 ft
FRIO 4,384 ft-4,335 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,951 ft
LOWER FRIO ( OLIGOCENE) (Frio)5,400 ft-5,351 ft
JACKSON/YEGA (Jackson)——
JACKSON/YEGUA (Jackson)——
NO CHANGE——
NOT 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 (7)

IntervalType
5,278–5,286 ftPerforated
5,368–5,376 ftPerforated
5,489–5,499 ftPerforated
5,515–5,522 ftPerforated
5,536–5,546 ftPerforated
5,710–5,718 ftPerforated
5,864–5,874 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,034 ft350 sx
5.5"5,925 ft500 sx

Permit History (5)

#816118 Recompletion Final Completion

MRS. FANNIE V. W. HEARD · 5,927 ft

2016-06-09

Spud 2016-07-13

#810190 Recompletion Final Completion

MRS. FANNIE V. W. HEARD · 5,927 ft

2015-09-17

Spud 2015-10-19

#661009 Recompletion Final Completion

HEARD, FANNIE V. W. MRS. · 5,927 ft

2008-05-21

Spud 2008-05-30

#616914 Recompletion Final Completion

HEARD, MRS. FANNIE V. W. · 5,927 ft

2006-04-10

#366248 Recompletion Final Completion

TOM O'CONNOR(5800SAND) FIELDUNIT · 5,927 ft

1989-11-13

Spud 1990-03-19

Applications (5)

#816118 A HILCORP ENERGY COMPANY
received 2016-06-07
#810190 A HILCORP ENERGY COMPANY
received 2015-09-09
#661009 A HILCORP ENERGY COMPANY
received 2008-05-02
#616914 A HILCORP ENERGY COMPANY
received 2006-04-03
#366248 A QUINTANA PET. CORP.
received 1989-11-09

Records & Logs

13 completion filings on record · 2 with log images at RRC.

W-2/G-1 2016-09-07
W-2/G-1 2015-10-27
W-2/G-1 2008-06-12 log on file
W-2/G-1 2008-07-22
W-2/G-1 2006-09-19
W-2/G-1 2006-09-18

+7 more filings

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.

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
57
Max Depth
5,927 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY
Completed
1990-04-16

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