42-483-32383

PRODUCING

DONELSON 15

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

Permits

Max Depth

15,113 ft

First Permit

2007-06-11

Latest Activity

2011-04-14

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-09-24

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Production operator mismatch

Scheduling: UNBRIDLED RESOURCES LLC ≠ Production: ENERVEST OPERATING, L.L.C. (reported 2018-03)

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

2007-09

Last Production

2026-07

Operator History

Chain of Custody

LINN OPERATING, INC. 2007-2014→ ENERVEST OPERATING, L.L.C. 2015-2018

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 (6) Elevation 2,592 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
T/BROWN DOLOMITE	4,710 ft	-2,118 ft
B/HEEBNER-T/DOUGLAS	8,475 ft	-5,883 ft
T/BRITT GRANITE WASH	11,834 ft	-9,242 ft
GRANITE WASH A (Granite Wash)	12,014 ft	-9,422 ft
GRANITE WASH D SHALE (Granite Wash)	12,733 ft	-10,141 ft
ATOKA WASH (Atoka)	13,387 ft	-10,795 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
11,860–14,108 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	3,312 ft	1,875 sx
5.5"	14,280 ft	735 sx

Permit History (2)

#713441 Field Transfer Final Completion

DONELSON 15 · 15,113 ft

2011-04-14

Spud 2007-07-10

#639997 Drill Final Completion

DONELSON 15 · 15,113 ft

2007-06-11

Spud 2007-07-10

Applications (2)

#713441 A LINN OPERATING, INC.

received 2011-04-04

#639997 A DOMINION OKLAHOMA TEXAS E&P, INC

received 2007-06-01

Records & Logs

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

W-2/G-1 2011-04-20

W-2/G-1 2007-12-03 log on file

W-2/G-1 2008-03-04

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: 1
Max Depth: 15,113 ft
Drill Type: Vertical
County: WHEELER
District: 10
Operator: UNBRIDLED RESOURCES LLC
Completed: 2007-09-24

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