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ISAAC #1-5

API 3503920577 · Custer County, Oklahoma

PATM
API
3503920577
Operator
PRIMARY NATURAL RESOURCES IV LLC
County
Custer
Location
Sec 5 13N 20W (IM)

Drilling permits

Oklahoma files 4 applications to drill this well, naming 13 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 2015-05-21

WRAREStraight hole
Permit API
35039205770001
Operator
PRIMARY NATURAL RESOURCES IV LLC
Well type
TM
Approved
2015-05-21
Expires
2015-11-21
Proposed depth
14,025 ft
Surface casing
4,278 ft
Ground elevation
1,793 ft

Target formation

FormationExpected top (ft)
BROWN DOLOMITE5,500

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 2015-12-22

WRAREStraight hole
Permit API
35039205770002
Operator
PRIMARY NATURAL RESOURCES IV LLC
Well type
TM
Approved
2015-12-22
Expires
2016-06-22
Proposed depth
14,025 ft
Surface casing
4,278 ft
Ground elevation
1,793 ft

Target formation

FormationExpected top (ft)
BROWN DOLOMITE5,500

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.

Application

REJREStraight hole
Permit API
35039205770000
Operator
PRIMARY NATURAL RESOURCES IV LLC
Well type
TM
Proposed depth
1,850 ft
Surface casing
105 ft
Ground elevation
728 ft

Target formations

FormationExpected top (ft)
DEWEY390
WAYSIDE450
PERU710
OSWEGO812
SQUIRREL1,050
BARTLESVILLE1,170
BURGESS1,350
MISSISSIPPI CHAT1,390
MISSISSIPPI1,400
ARBUCKLE1,650

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.

Application

REJREStraight hole
Permit API
35039205770000
Operator
PRIMARY NATURAL RESOURCES IV LLC
Well type
TM
Expires
2016-06-22
Proposed depth
5,800 ft
Surface casing
4,278 ft
Ground elevation
1,793 ft

Target formation

FormationExpected top (ft)
BROWN DOLOMITE5,500

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

35.635333, -99.346282

35.63533, -99.34628 · 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.