42-483-32495

PRODUCING

HEFLEY 34

WHEELER County · District 10 · UNBRIDLED RESOURCES LLC · BUFFALO WALLOW (GRANITE WASH)

Permits

Max Depth

14,500 ft

First Permit

2007-10-30

Latest Activity

2011-10-11

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-01-10

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Permit: LINN OPERATING, INC.

Resolved via: scheduling → UNBRIDLED RESOURCES LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-01

Last Production

2026-07

Operator History

Chain of Custody

LINN OPERATING, INC. 2008-2014→ ENERVEST OPERATING, L.L.C. 2015-2018→ 4P ENERGY TEXAS, LLC 2018-2020→ UNBRIDLED RESOURCES, LLC 2020-2024

Lease Production

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

Gas

production & DCA →

Formation Tops (9) Elevation 2,560 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
T/BROWN DOLOMITE	4,585 ft	-2,025 ft
B/HEEBNER-T/DOUGLAS	8,191 ft	-5,631 ft
T/TONKAWA	9,016 ft	-6,456 ft
AVANT LS	9,674 ft	-7,114 ft
T/BRITT GRANITE WASH	11,405 ft	-8,845 ft
T/ATOKA WASH	12,887 ft	-10,327 ft
T/BRITT GRANITE WASH	—	—
T/BROWN DOLOMITE	—	—
T/TONKAWA	—	—

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 (1)

Interval	Type
11,412–13,688 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	3,230 ft	1,875 sx
5.5"	13,825 ft	620 sx

Permit History (2)

#724734 Field Transfer Final Completion

HEFLEY 34 · 14,500 ft

2011-10-11

Spud 2007-11-12

#647845 Drill Final Completion

HEFLEY 34 · 14,500 ft

2007-10-30

Spud 2007-11-12

Applications (2)

#724734 A LINN OPERATING, INC.

received 2011-09-21

#647845 A LINN OPERATING, INC.

received 2007-10-16

Records & Logs

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

W-2/G-1 2013-10-10

W-2/G-1 2011-10-20

W-2/G-1 2008-04-02 log on file

W-2/G-1 2009-07-27

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: 8
Max Depth: 14,500 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: UNBRIDLED RESOURCES LLC
Completed: 2008-01-10

Operator

Name: UNBRIDLED RES, LLC
Location: OKLAHOMA CI, TY
P-5 Status: Active (filed 2025-12-17)
Cum Oil (all leases): 2,156,940 bbl
Cum Gas (all leases): 150,390,040 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 6