42-391-00704

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LARGARTO (Lagarto)	1,500 ft	-1,447 ft
SURFACE SAND CLAY	1,500 ft	-1,447 ft
LARGARTO (Lagarto)	2,750 ft	-2,697 ft
OAKVILLE	2,750 ft	-2,697 ft
CATAHOULA	3,300 ft	-3,247 ft
CATAHOULA (MIOCENE) (Catahoula)	3,300 ft	-3,247 ft
OAKVILLE	3,300 ft	-3,247 ft
ANAHUAC (MIOCENE) (Anahuac)	4,100 ft	-4,047 ft
CATAHOULA	4,100 ft	-4,047 ft
OAKVILLE	4,100 ft	-4,047 ft
ANAHUAC	4,365 ft	-4,312 ft
FRIO-GRETA (OLIGOCENE) (Frio)	4,365 ft	-4,312 ft
FRIO-GRETA (Frio)	4,785 ft	-4,732 ft
MIDDLE FRIO (SINTON) (Frio)	5,000 ft	-4,947 ft
MIDDLE FRIO (Frio)	5,400 ft	-5,347 ft
LOWER FRIO (OLIGOCENE) (Frio)	5,880 ft	-5,827 ft
FRIO	5,895 ft	-5,842 ft
LOWER FRIO (Frio)	5,895 ft	-5,842 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 (10)

Interval	Type
3,528–3,534 ft	Perforated
3,545–3,550 ft	Perforated
4,108–4,114 ft	Perforated
4,118–4,124 ft	Perforated
4,322–4,338 ft	Perforated
5,464–5,474 ft	Perforated
5,701–5,706 ft	Perforated
5,723–5,729 ft	Perforated
5,807–5,817 ft	Perforated
?–5,817 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	1,470 ft	500 sx
1.5"	5,446 ft	—
1.5"	5,770 ft	—
5.5"	5,893 ft	700 sx

Permit History (6)

#711268 Recompletion Final Completion

MRS. FANNIE V. W. HEARD · 5,895 ft

2011-03-04

Spud 2011-03-01

#660944 Recompletion Final Completion

HEARD, FANNIE V. W. MRS. · 5,895 ft

2008-05-20

Spud 2008-06-03

#513510 Recompletion Final Completion

TOM O'CONNOR 440 SAND GAS UNIT · 5,895 ft

2001-09-12

Spud 2001-09-13

#391678 Recompletion Final Completion

HEARD, MRS. FANNIE V. W. · 5,895 ft

1991-09-19

Spud 1991-09-23

#326832 Recompletion Final Completion

TOM O'CONNOR (5800'SD)FIELD UNIT · 5,895 ft

1987-02-20

#50593 Recompletion Final Completion

HEARD, MRS. FANNIE V. W. · 5,893 ft

1979-06-12

Applications (6)

#711268 A HILCORP ENERGY COMPANY

received 2011-03-02

#660944 A HILCORP ENERGY COMPANY

received 2008-05-01

#513510 A HILCORP ENERGY COMPANY

received 2001-09-11

#391678 A QUINTANA PET. CORP.

received 1991-09-06

#326832 A QUINTANA PET. CORP.

received 1987-02-19

#50593 A QUINTANA PET. CORP.

received 1979-06-12

Records & Logs

14 completion filings on record · 5 with log images at RRC.

W-2/G-1 2011-03-18

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

W-2/G-1 2008-07-25

W-2/G-1 2001-10-01 log on file

W-2/G-1 2002-01-15

W-2/G-1 2000-08-04

+8 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: 51
Max Depth: 5,895 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: HILCORP ENERGY COMPANY
Completed: 2000-07-25

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

42-391-00704

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 (19) Elevation 53 ft