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Surface Bumper Jar Type DJ


Product Number: KW-DE-35 It can be only used on drill platform, producing the downward jarring force.


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KINGWELL Surface Bumper Jar Type DJ
 
Surface Bumper Jar Type DJ can be only used on drill platform, producing the downward jarring force. The jarring tonnage should be adjusted momentarily on drill stand for reliable
property and usableness. The accidents for key-seating stuck, necked-in stuck and sucking stuck can be handled effectively. It can be mounted on drill string as to realize the jarring operation
when accident happened.



KINGWELL Surface Bumper Jar Type DJ Technical Data:

Model O.D.
mm(in)
I.D.
mm(in)
Connecti
on
API
Max.
Jarring
Force
kN
Max working
Load
kN(lbf)
Tensie Yield
Strength
kN(lbf)
Max.Worki
ng Torgue
kN·m(lbf·ft)
Torsional
Yield
Strength
kN·m(lbf·ft)
Max.
Stroke
mm
length
mm
DJ46 121
(4-3/4)
31.8
(1-1/4)
NC38 400
(90000)
1000
(225000)
1950
(438000)
15
(11000)
27
(20000)
1800
(70-7/8)
3395
(133-11/16)
DJ159 159
(5-1/4)
50.8
(2)
NC50 600
(135000)
1600
(360000)
2700
(600000)
25
(18000)
65
(48000)
1223
(48-1/8)
3030
(119-5/16)
DJ70Ⅱ 178
(7)
50.8
(2)
NC50 700
(160000)
2400
(540000)
4650
(1050000)
30
(22000)
80
(59000)
1222
(48-1/8)
3030
(119-5/16)
DJ80 203
(8)
50.8
(2)
6 5/8REG 800
(180000)
2800
(630000)
6100
(1370000)
35
(26000)
145
(100000)
1200
(47-1/4)
3248
(127-7/8)

 

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