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JOHNSON #1-21ST

API 3503922226 · Custer County, Oklahoma

PADRY
API
3503922226
Operator
DUNCAN OIL PROPERTIES INC
County
Custer
Location
Sec 21 15N 16W (IM)

Drilling permits

Oklahoma files 2 applications to drill this well, naming 18 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 2006-09-12

WRADR
Permit API
35039222260000
Operator
DUNCAN OIL PROPERTIES INC
Well type
DRY
Approved
2006-09-12
Expires
2007-03-12
Proposed depth
11,800 ft
Surface casing
1,500 ft
Ground elevation
1,828 ft

Target formations

FormationExpected top (ft)
COTTAGE GROVE8,310
TRUE LAYTON8,689
CLEVELAND8,985
MARMATON9,207
SKINNER9,812
RED FORK10,075
ATOKA10,412
MORROW SD10,863
CHESTER11,750

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.

Filed 2006-09-12

WRAAM
Permit API
35039222260001
Operator
DUNCAN OIL PROPERTIES INC
Well type
GAS
Approved
2006-09-12
Expires
2007-03-12
Proposed depth
11,900 ft
Surface casing
1,500 ft
Ground elevation
1,828 ft

Target formations

FormationExpected top (ft)
COTTAGE GROVE8,310
TRUE LAYTON8,689
CLEVELAND8,985
MARMATON9,207
SKINNER9,812
RED FORK10,075
ATOKA10,412
MORROW SD10,863
CHESTER11,750

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

35.757984, -98.902643

35.75798, -98.90264 · 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.