KOCH #1-20

API 3505922047 · Harper County, Oklahoma

EXNT
API
3505922047
Operator
CHESAPEAKE OPERATING LLC
County
Harper

Drilling permit

Oklahoma files 1 application to drill this well, naming 2 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 1999-02-26

WRADR
Permit API
35059220470000
Operator
CHESAPEAKE OPERATING LLC
Well type
NT
Approved
1999-02-26
Expires
1999-08-26
Proposed depth
6,600 ft
Surface casing
700 ft
Ground elevation
2,135 ft

Target formations

FormationExpected top (ft)
MORROW SD6,187
CHESTER6,270

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

36.895485, -99.912699

36.89549, -99.91270 · Surface location as filed with Oklahoma

Every well in Harper County, Oklahoma

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