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SHEPHERD #1-27

API 3503922200 · Custer County, Oklahoma

ACOIL
API
3503922200
Operator
DUNCAN OIL PROPERTIES INC
County
Custer
Location
Sec 27 14N 18W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 9 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 2006-01-27

WRADR
Permit API
35039222000000
Operator
DUNCAN OIL PROPERTIES INC
Well type
OIL
Approved
2006-01-27
Expires
2006-07-27
Proposed depth
12,700 ft
Surface casing
1,500 ft
Ground elevation
1,620 ft

Target formations

FormationExpected top (ft)
DOUGLAS7,880
TONKAWA8,300
COTTAGE GROVE9,140
LAYTON9,500
CLEVELAND9,970
OSWEGO11,090
SKINNER11,120
RED FORK11,500
ATOKA12,250

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

35.658365, -99.097775

35.65837, -99.09777 · 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.