42-297-33275

HERRING RANCH A

LIVE OAK County · District 2 · ACOCK OPERATING LIMITED

Permits

Max Depth

10,317 ft

First Permit

1982-12-31

Latest Activity

2010-02-09

Lifespan

27 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2015-01

Operator History

Chain of Custody

NUECES OIL COMPANY 1993-1995→ MUELLER ENGINEERING CORP. 1995-1996→ ACOCK ENGINEERING & ASSOC., INC. 1996-2002→ ACOCK/ANAQUA OPERATING CO., LC 2002-2004→ ACOCK/ANAQUA OPERATING CO., LP 2004-2006→ ACOCK OPERATING LIMITED 2006-2010

Lease Production

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

Formation Tops (5) Elevation 296 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
EOCENE SAND & SHALE	5,450 ft	-5,154 ft
WILCOX	6,850 ft	-6,554 ft
WILCOX SANDS & SHALE (Wilcox)	8,000 ft	-7,704 ft
LOWER WILCOX SHALE (Wilcox)	8,740 ft	-8,444 ft
MATULA	9,910 ft	-9,614 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 (4)

Interval	Type
6,959–6,964 ft	Perforated
8,684–8,704 ft	Perforated
9,928–9,936 ft	Perforated
9,940–9,942 ft	Perforated

Casing (7)

Size	Set Depth	Cement
10.75"	1,300 ft	905 sx
10.75"	1,300 ft	905 sx
2.375"	6,881 ft	—
7.625"	7,993 ft	505 sx
7.625"	7,993 ft	605 sx
4.5"	10,317 ft	310 sx
4.5"	10,317 ft	360 sx

Permit History (4)

#689299 Recompletion

HERRING RANCH A · 10,317 ft

2010-02-09

#458056 Recompletion Final Completion

HERRING RANCH -A- · 10,317 ft

1997-02-05

Spud 1997-01-25

#273142 Recompletion Long String Casing

HERRING RANCH "A" · 10,300 ft

1985-04-24

#183896 Drill Final Completion

HERRING RANCH 67 · 8,000 ft

1982-12-31

Spud 1983-02-23

Applications (5)

#689299 A ACOCK OPERATING LIMITED

received 2010-01-05

#458056 A ACOCK ENGINEERING & ASSOC., INC.

received 1997-01-31

#273142 A FLYNN ENERGY CORP.

received 1985-07-02

#273142 A FLYNN ENERGY CORP.

received 1985-04-12

#183896 A FLYNN ENERGY CORP.

received 1982-12-31

Records & Logs

7 completion filings on record.

W-2/G-1 1997-10-01

W-2/G-1 1997-05-12

W-2/G-1 1997-06-12

W-2/G-1 1985-06-17

W-2/G-1 1985-08-03

W-2/G-1 1983-04-04

+1 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 LIVE OAK County.

Well Details

Well Number: 6704
Max Depth: 10,317 ft
Drill Type: Vertical
County: LIVE OAK
District: 2
Operator: ACOCK OPERATING LIMITED

Operator

Name: ACOCK OPER LTD
Location: SAN ANTONIO
P-5 Status: Inactive (filed 2022-04-11)
Cum Oil (all leases): 131,977 bbl
Cum Gas (all leases): 5,474,552 mcf
Total Permits: 27