42-483-32016

Final Completion

STILES 4

WHEELER County · District 10 · APACHE CORPORATION · STILES RANCH (GRANITE WASH CONS)

Permits

Max Depth

18,000 ft

First Permit

2006-01-06

Latest Activity

2007-07-27

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-02-24

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: APACHE CORPORATION ≠ Production: FORMENTERA OPERATIONS LLC (reported 2026-04)

Resolved via: production → FORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2006-07

Last Production

2026-07

Operator History

Chain of Custody

APACHE CORPORATION 2006-2014→ TAPSTONE ENERGY, LLC 2015-2021→ FORMENTERA OPERATIONS LLC 2021-2026

Lease Production

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

Formation Tops (19) Elevation 2,288 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER CALDWELL	12,514 ft	-10,226 ft
CALDWELL	12,651 ft	-10,363 ft
CHEROKEE	12,800 ft	-10,512 ft
GRANITE WASH A (Granite Wash)	12,875 ft	-10,587 ft
GRANITE WASH B (Granite Wash)	13,098 ft	-10,810 ft
GRANITE WASH C (Granite Wash)	13,546 ft	-11,258 ft
GRANITE WASH D (Granite Wash)	14,078 ft	-11,790 ft
GRANITE WASH E (Granite Wash)	14,248 ft	-11,960 ft
ATOKA	14,726 ft	-12,438 ft
ATOKA A (Atoka)	14,726 ft	-12,438 ft
ATOKA WASH A (Atoka)	14,726 ft	-12,438 ft
ATOKA B (Atoka)	15,070 ft	-12,782 ft
ATOKA WASH B (Atoka)	15,070 ft	-12,782 ft
ATOKA C (Atoka)	15,311 ft	-13,023 ft
ATOKA WASH C (Atoka)	15,311 ft	-13,023 ft
ATOKA D (Atoka)	15,692 ft	-13,404 ft
ATOKA WASH D (Atoka)	15,692 ft	-13,404 ft
ATOKA E (Atoka)	16,076 ft	-13,788 ft
ATOKA WASH E (Atoka)	16,076 ft	-13,788 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 (5)

Interval	Type
12,658–14,987 ft	Perforated
15,077–15,461 ft	Perforated
15,077–16,618 ft	Perforated
15,562–15,977 ft	Perforated
16,115–16,618 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	315 ft	500 sx
9.625"	8,315 ft	610 sx
4.5"	16,700 ft	1,800 sx

Permit History (2)

#642668 Recompletion Final Completion

STILES 4 · 18,000 ft

2007-07-27

Spud 2008-01-25

#611992 Drill Final Completion

STILES 4 · 18,000 ft

2006-01-06

Spud 2006-05-02

Applications (2)

#642668 A APACHE CORPORATION

received 2007-07-17

#611992 A APACHE CORPORATION

received 2006-01-06

Records & Logs

6 completion filings on record · 1 with log images at RRC.

W-2/G-1 2010-12-13

W-2/G-1 2008-03-27

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

W-2/G-1 2006-09-08 log on file

W-2/G-1 2006-09-18

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 WHEELER County.

Well Details

Well Number: 504
Max Depth: 18,000 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: APACHE CORPORATION
Completed: 2008-02-24

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: 9,705