42-391-31191

Final Completion

TOM O'CONNOR (5800 SD) FLD UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

Max Depth

6,500 ft

First Permit

1977-11-17

Latest Activity

2006-01-13

Lifespan

28 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

Operator History

Chain of Custody

PENNZOIL EXPLORATION & PROD. CO. 1993-1999→ QUINTANA PET. CORP. 1993-2000→ PENNZENERGY EXP. & PROD., L.L.C. 1999-2000→ DEVON ENERGY PRODUCTION CO, L.P. 2000-2002→ 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.

Formation Tops (1) Elevation 65 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
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)

Interval	Type
5,765–5,769 ft	Perforated
5,870–5,873 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,298 ft	780 sx
5.5"	6,006 ft	300 sx

Permit History (2)

#612359 Recompletion Final Completion

TOM O'CONNOR (5800 SD) FLD UNIT · 6,500 ft

2006-01-13

Spud 2006-01-11

#7235 Drill Long String Casing

LAMBERT, M. F. · 6,500 ft

1977-11-17

Applications (2)

#612359 A HILCORP ENERGY COMPANY

received 2006-01-12

#7235 A PENNZOIL PRODUCING CO.

received 1977-11-17

Records & Logs

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

W-2/G-1 2006-01-26 log on file

W-2/G-1 2006-03-02

W-2/G-1 1978-02-03

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: P143
Max Depth: 6,500 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY

Operator

Name: HILCORP ENGY CO
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: 3,429