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SONDRA JANE #1-1

API 3504522191 · Ellis County, Oklahoma

ACOIL
API
3504522191
Operator
UNBRIDLED RESOURCES LLC
County
Ellis
Location
Sec 1 23N 23W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 7 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.

Filed 2001-06-15

WRADR
Permit API
35045221910000
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2001-06-15
Expires
2001-12-15
Proposed depth
8,200 ft
Surface casing
1,000 ft
Ground elevation
2,082 ft

Target formations

FormationExpected top (ft)
HEEBNER5,510
TONKAWA6,000
OSWEGO6,885
ATOKA7,575
MORROW SD7,575
MORROW SD7,875
CHESTER8,000

An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.

Location

36.496506, -99.611170

36.49651, -99.61117 · Surface location as filed with Oklahoma

Every well in Ellis County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.