42-391-00650

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,429 ft
OAKVILLE	2,750 ft	-2,679 ft
CATAHOULA	3,300 ft	-3,229 ft
ANAHUAC (MIOCENE)` (Anahuac)	4,100 ft	-4,029 ft
FRIO-GRETA(OLIGOCENE) (Frio)	4,365 ft	-4,294 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,929 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,809 ft
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 (6)

Interval	Type
2,983–2,987 ft	Perforated
3,578–3,584 ft	Perforated
4,395–4,402 ft	Perforated
4,795–4,800 ft	Perforated
5,143–5,163 ft	Perforated
5,878–5,881 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,048 ft	350 sx
2.375"	4,311 ft	—
5"	5,923 ft	500 sx

Permit History (6)

#680453 Recompletion Final Completion

CLAUDE E. HEARD ET AL · 5,925 ft

2009-04-23

Spud 2009-05-15

#636689 Recompletion Final Completion

HEARD, CLAUDE E. ET AL · 5,925 ft

2007-04-14

#557681 Recompletion Final Completion

HEARD, CLAUDE E. · 5,925 ft

2005-02-16

#488190 Recompletion

HEARD, CLAUDE E. · 5,925 ft

1999-10-11

#378266 Recompletion Final Completion

TOM O'CONNOR(5800SAND)FIELD UNIT · 5,925 ft

1990-09-25

Spud 1990-12-12

#24642 Recompletion

HEARD, CLAUDE E, ET AL · 5,925 ft

1978-05-18

Applications (6)

#680453 A HILCORP ENERGY COMPANY

received 2009-04-16

#636689 A HILCORP ENERGY COMPANY

received 2007-04-09

#557681 A HILCORP ENERGY COMPANY

received 2005-02-14

#488190 A QUINTANA PET. CORP.

received 1999-10-05

#378266 A QUINTANA PET. CORP.

received 1990-09-21

#24642 A QUINTANA PET. CORP.

received 1978-05-18

Records & Logs

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

W-2/G-1 2009-06-11 log on file

W-2/G-1 2009-08-20

W-2/G-1 2007-04-20 log on file

W-2/G-1 2007-06-04

W-2/G-1 2006-05-19 log on file

W-2/G-1 2006-11-06

+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: 19
Max Depth: 5,925 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

42-391-00650

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 (8) Elevation 71 ft (KB)