42-501-33308

Final Completion

ARMSTRONG ANNIE B

YOAKUM County · District 8 · APACHE CORPORATION · EMERALD (SILURIAN)

Permits

Max Depth

14,200 ft

First Permit

1987-11-24

Latest Activity

2010-04-15

Lifespan

22 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2009-03-06

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: APACHE CORPORATION ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-1998→ APACHE CORPORATION 1998-2024→ HILCORP ENERGY COMPANY 2024-2026

Lease Production

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

Formation Tops (8) Elevation 3,507 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,790 ft	-1,283 ft
ABO	8,321 ft	-4,814 ft
STRAWN	10,796 ft	-7,289 ft
ATOKA	11,151 ft	-7,644 ft
L. MISSISSIPPAIN	11,677 ft	-8,170 ft
L MISSISSIPPIAN	11,677 ft	-8,170 ft
L. MISSISSIPPIAN	11,677 ft	-8,170 ft
SILURIAN (Silurian (undifferentiated))	12,307 ft	-8,800 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 (6)

Interval	Type
10,564–10,728 ft	Perforated
12,310–12,375 ft	Perforated
12,310–? ft	Perforated
12,313–12,324 ft	Perforated
12,316–12,356 ft	Perforated
12,372–12,313 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.875"	368 ft	400 sx
13.375"	368 ft	400 sx
13.038"	368 ft	400 sx
8.625"	5,350 ft	2,500 sx
5.5"	12,375 ft	1,400 sx

Permit History (2)

#694148 Recompletion Final Completion

ARMSTRONG, ANNIE "B" · 12,430 ft

2010-04-15

Spud 2010-03-04

#339240 Drill Final Completion

ARMSTRONG, ANNIE "B" · 14,200 ft

1987-11-24

Applications (2)

#694148 A APACHE CORPORATION

received 2010-04-08

#339240 A EXXON CORP.

received 1987-11-23

Records & Logs

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

W-2/G-1 2010-04-19 log on file

W-2/G-1 2010-02-08 log on file

W-2/G-1 2008-06-05

W-2/G-1 1996-03-05

W-2/G-1 1993-12-17

+3 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 YOAKUM County.

Well Details

Well Number: 1
Max Depth: 14,200 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: APACHE CORPORATION
Completed: 2009-03-06

Operator

Name: APC OPER PARTNERSHIP
Location: HOUSTON
P-5 Status: Active (filed 2025-12-03)
Cum Oil (all leases): 615,928,793 bbl
Cum Gas (all leases): 2,702,742,169 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 9,662