42-483-33120

Final Completion Horizontal

LEDBETTER 66

WHEELER County · District 10 · CHESAPEAKE OPERATING INC. · MILLS RANCH (GRANITE WASH CONS.)

Permits

1

Max Depth

12,000 ft

First Permit

2010-11-18

Latest Activity

2010-11-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2011-02-07

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: CHESAPEAKE OPERATING INC. ≠ Production: UNBRIDLED RESOURCES, LLC (reported 2026-04)

Resolved via: productionUNBRIDLED RESOURCES, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-02

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 2,268 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE HEEBNER9,145 ft-6,877 ft
TONKAWA 10,354 ft-8,086 ft
UPPER MISSOURIAN10,508 ft-8,240 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)

IntervalType
10,662–14,983 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"913 ft690 sx
5.5"9,608 ft
7"10,100 ft445 sx

Permit History (1)

Applications (1)

#705362 A CHESAPEAKE OPERATING, INC.
received 2010-11-15

Records & Logs

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

W-2/G-1 2011-05-09
W-2/G-1 2011-03-02 log on file

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
14H
Max Depth
12,000 ft
Drill Type
Horizontal
County
WHEELER
District
10
Completed
2011-02-07

Operator

Location
OKLAHOMA CI, TY
P-5 Status
Delinquent (filed 2024-12-10)
Cum Oil (all leases)
120,218,990 bbl
Cum Gas (all leases)
5,501,647,035 mcf
Total Permits
13,061