42-483-32678

PRODUCING

HEFLEY 34

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

Permits

Max Depth

14,652 ft

First Permit

2008-06-24

Latest Activity

2011-12-22

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-09-02

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Production operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: ENERVEST OPERATING, L.L.C. (reported 2016-10)

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

2008-09

Last Production

2026-07

Operator History

Chain of Custody

LINN OPERATING, INC. 2008-2014→ ENERVEST OPERATING, L.L.C. 2015-2016

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 (16) Elevation 2,604 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BROWN DOLOMITE	4,524 ft	-1,920 ft
T/BROWN DOLOMITE	4,524 ft	-1,920 ft
T/TONKAWA	9,068 ft	-6,464 ft
ATOKA WASH (Atoka)	11,293 ft	-8,689 ft
T/CARR GW	11,320 ft	-8,716 ft
T/BRITT GRANITE WASH	11,460 ft	-8,856 ft
T/BRITT GW	11,460 ft	-8,856 ft
GRANITE WASH "A" (Granite Wash)	11,568 ft	-8,964 ft
T/GRANITE WASH	11,568 ft	-8,964 ft
GRANITE WASH "B" (Granite Wash)	11,802 ft	-9,198 ft
GRANITE WASH "C" (Granite Wash)	11,998 ft	-9,394 ft
GRANITE WASH "D" SHALE (Granite Wash)	12,284 ft	-9,680 ft
T/GRANITE WASH D	12,284 ft	-9,680 ft
GRANITE WASH "E" SHALE (Granite Wash)	12,350 ft	-9,746 ft
GRANITE WASH "F" SHALE (Granite Wash)	12,500 ft	-9,896 ft
ATOKA WASH (Atoka)	12,936 ft	-10,332 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 (1)

Interval	Type
11,380–13,716 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	3,314 ft	1,875 sx
5.5"	13,847 ft	550 sx

Permit History (2)

#729996 Field Transfer Final Completion

HEFLEY 34 · 14,652 ft

2011-12-22

Spud 2008-07-05

#663829 Drill Final Completion

HEFLEY 34 · 14,652 ft

2008-06-24

Spud 2008-07-05

Applications (2)

#729996 A LINN OPERATING, INC.

received 2011-12-14

#663829 A LINN OPERATING, INC.

received 2008-06-05

Records & Logs

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

W-2/G-1 2017-03-09

W-2/G-1 2014-01-27

W-2/G-1 2014-09-11

W-2/G-1 2011-12-30

W-2/G-1 2008-11-24 log on file

W-2/G-1 2009-04-06

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: 10
Max Depth: 14,652 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: UNBRIDLED RESOURCES LLC
Completed: 2008-09-02

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