SHERILYN 3-18-25 #1H

API 3504523259 · Ellis County, Oklahoma

EXNT
API
3504523259
Operator
CHESAPEAKE OPERATING LLC
County
Ellis

Drilling permit

Oklahoma files 1 application to drill this well, naming 3 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 2012-10-08

WRADRHorizontal hole
Permit API
35045232590000
Operator
CHESAPEAKE OPERATING LLC
Well type
NT
Approved
2012-10-08
Expires
2013-10-08
Proposed depth
14,200 ft
Surface casing
690 ft
Ground elevation
2,195 ft

Target formations

FormationExpected top (ft)
DOUGLAS6,870
COTTAGE GROVE8,335
CLEVELAND9,032

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.

Every well in Ellis County, Oklahoma

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