MineralRecord
Log inSign up

RW KNOWLES 2-19-25 #1H

API 3504523301 · Ellis County, Oklahoma

EXNT
API
3504523301
Operator
CHESAPEAKE OPERATING LLC
County
Ellis
Location
Sec 2 19N 25W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 4 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 2013-01-29

WRADRHorizontal hole
Permit API
35045233010000
Operator
CHESAPEAKE OPERATING LLC
Well type
NT
Approved
2013-01-29
Expires
2014-01-29
Proposed depth
13,900 ft
Surface casing
890 ft
Ground elevation
2,398 ft

Target formations

FormationExpected top (ft)
TONKAWA7,500
COTTAGE GROVE8,000
CLEVELAND8,550
MARMATON8,700

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.