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LILLIAN #1-11

API 3515322555 · Woodward County, Oklahoma

SIFORDERGAS
API
3515322555
Operator
CHANGO'S L.L.C.
County
Woodward
Location
Sec 11 20N 21W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 5 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 2003-09-10

WRADR
Permit API
35153225550000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2003-09-10
Expires
2004-03-10
Proposed depth
9,950 ft
Surface casing
1,200 ft
Ground elevation
2,240 ft

Target formations

FormationExpected top (ft)
TONKAWA6,988
COTTAGE GROVE7,553
OSWEGO8,166
MORROW9,253
CHESTER9,875

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

36.229817, -99.407010

36.22982, -99.40701 · Surface location as filed with Oklahoma

Every well in Woodward County, Oklahoma

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