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THOMSEN TRUST #1-6

API 3503921972 · Custer County, Oklahoma

ACOIL
API
3503921972
Operator
CHISHOLM TRAIL ENERGY OPS, LLC
County
Custer
Location
Sec 6 15N 18W (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 2002-05-14

WRADR
Permit API
35039219720000
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2002-05-14
Expires
2002-11-14
Proposed depth
12,250 ft
Surface casing
450 ft
Ground elevation
1,887 ft

Target formations

FormationExpected top (ft)
TONKAWA7,950
COTTAGE GROVE8,700
CLEVELAND9,200
CHEROKEE SD10,500
MORROW SD11,600

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

35.801399, -99.150715

35.80140, -99.15072 · Surface location as filed with Oklahoma

Every well in Custer County, Oklahoma

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