42-483-32715

PRODUCING

HEFLEY 34

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

Permits

Max Depth

14,800 ft

First Permit

2008-08-04

Latest Activity

2011-10-04

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-11-13

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

2008-10

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 2022-2023

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 (19) Elevation 2,597 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
T/BROWN DOLOMITE	4,537 ft	-1,940 ft
TONKAWA	9,060 ft	-6,463 ft
T/TONKAWA	9,060 ft	-6,463 ft
CARR GW	11,282 ft	-8,685 ft
T/CARR GW	11,282 ft	-8,685 ft
BRITT GRANITE WASH	11,421 ft	-8,824 ft
T/BRITT GRANITE WASH	11,421 ft	-8,824 ft
GRANITE WASH "A" (Granite Wash)	11,528 ft	-8,931 ft
GRANITE WASH "B" (Granite Wash)	11,762 ft	-9,165 ft
GRANITE WASH "C" (Granite Wash)	11,979 ft	-9,382 ft
GW D SHALE	12,283 ft	-9,686 ft
GW D SHALE "E"	12,336 ft	-9,739 ft
GW D SHALE "F"	12,472 ft	-9,875 ft
ATOKA WASH (Atoka)	12,904 ft	-10,307 ft
THIRTEEN FINGERS	14,123 ft	-11,526 ft
T/BRITT GRANITE WASH	—	—
T/BROWN DOLOMITE	—	—
T/CARR GW	—	—
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
11,426–13,850 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	3,250 ft	1,875 sx
5.5"	14,300 ft	540 sx

Permit History (2)

#724666 Field Transfer Final Completion

HEFLEY 34 · 14,800 ft

2011-10-04

Spud 2008-08-28

#666829 Drill Final Completion

HEFLEY 34 · 14,800 ft

2008-08-04

Spud 2008-08-28

Applications (2)

#724666 A LINN OPERATING, INC.

received 2011-09-21

#666829 A LINN OPERATING, INC.

received 2008-07-16

Records & Logs

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

W-2/G-1 2017-03-16

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

W-2/G-1 2011-10-12

W-2/G-1 2008-12-17 log on file

W-2/G-1 2009-03-11

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: 11
Max Depth: 14,800 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: UNBRIDLED RESOURCES LLC
Completed: 2008-11-13

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