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MARK #1-5

API 3503922128 · Custer County, Oklahoma

ACGAS
API
3503922128
Operator
CHISHOLM TRAIL ENERGY OPS, LLC
County
Custer
Location
Sec 5 15N 18W (IM)

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 2004-08-25

WRADR
Permit API
35039221280000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2004-08-25
Expires
2005-02-25
Proposed depth
11,500 ft
Surface casing
550 ft
Ground elevation
1,897 ft

Target formations

FormationExpected top (ft)
CLEVELAND9,617
CHEROKEE10,637
ATOKA11,017

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

35.799621, -99.141800

35.79962, -99.14180 · 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.