42-391-00520

Final Completion

TOM O'CONNOR (5730 FT. SD.)UNIT

REFUGIO County · District 2 · HILCORP ENERGY COMPANY

Permits

Max Depth

5,918 ft

First Permit

1979-07-18

Latest Activity

2003-06-11

Lifespan

24 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 #000094110 permitted 2005-02-04

Permitted Volume

5,000 bbl/d

Max Pressure

2,000 psi

Injection Interval

5,765–5,790 ft

Injected (12mo)

—

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

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.

Formation Tops (1) Elevation 59 ft

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 (1)

Interval	Type
5,771–5,783 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	1,052 ft	350 sx
5.5"	5,918 ft	500 sx

Permit History (3)

#532910 Recompletion Final Completion

TOM O'CONNOR (5730 FT. SD.)UNIT · 5,918 ft

2003-06-11

Spud 2003-06-02

#94629 Other

WILLIAMS, MAUDE ET AL "B" · 5,918 ft

1980-10-03

#53208 Other

WILLIAMS, MAUDE, ET AL "B" · 5,918 ft

1979-07-18

Applications (3)

#532910 A HILCORP ENERGY COMPANY

received 2003-06-09

#94629 A QUINTANA PET. CORP.

received 1980-10-03

#53208 A QUINTANA PET. CORP.

received 1979-07-18

Records & Logs

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

W-2/G-1 2005-08-10

W-2/G-1 2003-07-09 log on file

W-2/G-1 2003-08-19

W-2/G-1 1984-01-12

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: B 18
Max Depth: 5,918 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: 3,428