42-391-31879

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,448 ft
OAKVILLE	2,750 ft	-2,698 ft
CATAHOULA (MIOCENE) (Catahoula)	3,300 ft	-3,248 ft
CATAHOULA	3,550 ft	-3,498 ft
ANAHUAC (MIOCENE) (Anahuac)	4,100 ft	-4,048 ft
FRIO	4,315 ft	-4,263 ft
FRIO-GRETA (OLIGOCENE) (Frio)	4,365 ft	-4,313 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,948 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,828 ft
FRIO	7,982 ft	-7,930 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 (5)

Interval	Type
5,520–5,525 ft	Perforated
5,680–5,690 ft	Perforated
5,806–5,812 ft	Perforated
6,500–6,503 ft	Perforated
6,593–6,598 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,516 ft	750 sx
7"	6,726 ft	1,520 sx

Permit History (7)

#780120 Recompletion Final Completion

TOM O'CONNOR(5600 FOOT SAND)UN · 7,982 ft

2014-05-02

Spud 2014-03-06

#780120 Recompletion

ANNIE REILLY ET VIR · 7,982 ft

2014-05-02

#734607 Recompletion Final Completion

ANNIE REILLY ET VIR · 7,982 ft

2012-03-07

Spud 2012-03-07

#660975 Recompletion Final Completion

REILLY, ANNIE ET VIR · 7,982 ft

2008-06-16

Spud 2008-05-08

#353995 Recompletion

REILLY, ANNIE ET VIR · 7,982 ft

1989-01-04

#353995 Recompletion Final Completion

TOM O'CONNOR(5800'SD) FIELD UNIT · 7,982 ft

1989-01-04

#282348 Drill Long String Casing

REILLY, ANNIE ET VIR · 8,200 ft

1985-08-12

Spud 1985-08-21

Applications (7)

#780120 A HILCORP ENERGY COMPANY

received 2014-11-10

#780120 A HILCORP ENERGY COMPANY

received 2014-02-19

#734607 A HILCORP ENERGY COMPANY

received 2012-02-23

#660975 A HILCORP ENERGY COMPANY

received 2008-05-01

#353995 A HILCORP ENERGY COMPANY

received 2002-03-18

#353995 A QUINTANA PET. CORP.

received 1988-12-06

#282348 A QUINTANA PET. CORP.

received 1985-07-15

Records & Logs

11 completion filings on record · 6 with log images at RRC.

W-2/G-1 2014-11-26

W-2/G-1 2013-01-29

W-2/G-1 2012-03-26 log on file

W-2/G-1 2008-06-30 log on file

W-2/G-1 2008-07-28

W-2/G-1 1989-04-11 log on file

+5 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: W718B
Max Depth: 8,200 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 2008-05-27

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: 3,436

42-391-31879

Regulatory Status

Production SummaryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Operator History

Lease Production

Formation Tops (12) Elevation 52 ft (GL)