42-131-35405

Final Completion

MARSHALL STATE

DUVAL County · District 4 · HILCORP ENERGY COMPANY · HERMANAS SIETE (WILCOX 14500)

Permits

Max Depth

15,500 ft

First Permit

1981-09-03

Latest Activity

1998-01-23

Lifespan

16 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-01-24

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Production: OPEN CHOKE EXPLORATION, LLC (reported 2011-05)

Resolved via: scheduling → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CITRUS ENERGY CORPORATION 1993-1997→ HILCORP ENERGY COMPANY 1997-1999→ CLAY EXPLORATION, INC. 1999-2005→ ROCKWELL ENERGY, LLC 2005-2008→ OPEN CHOKE EXPLORATION, LLC 2008-2011

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (2) Elevation 588 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WILCOX	8,820 ft	-8,232 ft
WILCOX SD. (Wilcox)	14,500 ft	-13,912 ft

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
13,252–13,280 ft	Perforated
14,501–14,580 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.375"	1,949 ft	1,240 sx
13.375"	1,990 ft	1,240 sx
9.625"	9,800 ft	1,730 sx
9.625"	9,816 ft	1,730 sx
2.875"	13,892 ft	—

Permit History (2)

#472587 Recompletion Final Completion

MARSHALL-STATE · 14,666 ft

1998-01-23

Spud 1997-12-11

#132440 Drill Final Completion

MARSHALL-STATE · 15,500 ft

1981-09-03

Spud 1981-09-09

Applications (2)

#472587 A HILCORP ENERGY COMPANY

received 1998-01-23

#132440 A HAMILTON BROTHERS OIL CO.

received 1981-09-03

Records & Logs

3 completion filings on record · 2 with log images at RRC.

W-2/G-1 1998-02-20 log on file

W-2/G-1 1998-03-31 log on file

W-2/G-1 1982-02-16

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 DUVAL County.

Well Details

Well Number: 1
Max Depth: 15,500 ft
Drill Type: Vertical
County: DUVAL
District: 4
Operator: HILCORP ENERGY COMPANY
Completed: 1982-01-24

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