42-483-30617

Final Completion

STILES 16

WHEELER County · District 10 · FORMENTERA OPERATIONS LLC · STILES RANCH (GRANITE WASH CONS)

Permits

Max Depth

16,767 ft

First Permit

1979-02-28

Latest Activity

1991-06-06

Lifespan

12 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2005-01-06

Shut-In

—

Plugged

2022-02-11

EWA / Production operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: TAPSTONE ENERGY, LLC (reported 2015-04)

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: APACHE CORPORATION

Resolved via: scheduling → FORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2022-02

Operator History

Chain of Custody

APACHE CORPORATION 1993-2013→ TAPSTONE ENERGY, LLC 2015-2015

Lease Production

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

Formation Tops (6) Elevation 2,197 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
DOUGLAS	9,000 ft	-6,803 ft
HOGSHOOTER	10,416 ft	-8,219 ft
CHECKERBOARD	11,370 ft	-9,173 ft
GRANITE WASH	12,311 ft	-10,114 ft
ATOKA	14,450 ft	-12,253 ft
MORROW	16,490 ft	-14,293 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
12,508–12,615 ft	Perforated
13,022–13,232 ft	Perforated
13,642–13,437 ft	Perforated
15,319–16,067 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	6,554 ft	3,450 sx
7"	14,893 ft	1,750 sx

Permit History (2)

#388292 Recompletion Final Completion

STILES RANCH · 16,767 ft

1991-06-06

Spud 1991-06-10

#43495 Drill H

STILES RANCH 16 · 16,767 ft

1979-02-28

Spud 1979-04-13

Applications (2)

#388292 A APACHE CORPORATION

received 1991-05-24

#43495 A APACHE CORPORATION

received 1979-02-28

Records & Logs

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

W-2/G-1 2005-02-08

W-2/G-1 1991-09-23 log on file

W-2/G-1 1991-11-27

W-2/G-1 1984-01-12

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: 5
Max Depth: 16,767 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: FORMENTERA OPERATIONS LLC
Completed: 2005-01-06

Operator

Name: FORMENTERA OPERATIONS LLC
Location: AUSTIN
P-5 Status: X (filed 2026-06-11)
Cum Oil (all leases): 7,170,117 bbl
Cum Gas (all leases): 53,235,974 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 80