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WRIGHT #1-31

API 3503922344 · Custer County, Oklahoma

PAOIL
API
3503922344
Operator
DUNCAN OIL PROPERTIES INC
County
Custer
Location
Sec 31 15N 18W (IM)

Drilling permit

Oklahoma files 1 application to drill this well, naming 10 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 2008-10-15

WRADRStraight hole
Permit API
35039223440000
Operator
DUNCAN OIL PROPERTIES INC
Well type
OIL
Approved
2008-10-15
Expires
2009-04-15
Proposed depth
11,500 ft
Surface casing
1,500 ft
Ground elevation
1,855 ft

Target formations

FormationExpected top (ft)
HEEBNER7,543
DOUGLAS7,683
TONKAWA8,171
AVANT8,846
COTTAGE GROVE9,025
LAYTON9,390
CHECKERBOARD9,721
CLEVELAND9,794
MARMATON10,095
CHEROKEE11,195

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

35.735902, -99.151686

35.73590, -99.15169 · 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.