Hardware & Tools
Description
The Hydraulic Shock Sub type YJ is fully hydraulic and is used for reducing vibrations caused by hard formation drilling and keeping the drill bit firmly on the bottom, so that it helps to reduce drill string connection fatigue and prolong drill string life.
Type
O.D.
mm
(in.)
Water
Hole
mm
(in.)
Max. Working
Stroke
mm
(in.)
Connection
API
Working
Temperature
0C
Max. Drilling
Pressure
kN
(Lbf)
Max. Tensile
Load
kN
(Lbf)
Max. Working
Torque
kN· m
(Lbf· m)
YJ121
121
(4 3/4)
38
(1 1/2)
100
(3 15/16)
3 1/2REG
-40～+150
260
(58500)
980
(220500)
10
(2250)
YJ178Ⅲ
178
(7)
57
(2 1/4)
125
(4 15/16)
NC50
-40～+150
390
(87750)
1470
(330750)
14.7
(3307.5)
YJ203Ⅲ
203
(8)
68
(211/16)
140
(5 1/2)
6 5/8REG
-40～+150
490
(110250)
1960
(441000)
19.6
(4410)
YJ229Ⅲ
229
(9)
70
(2 3/4)
140
(5 1/2)
7 5/8REG
-40～+150
540
(121500)
1960
(441000)
19.6
(4410)
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Guizhou Viton Industrial Co.,Ltd
drilling tools , well drilling , fishing tools , cutting tools , shock absorber , workover tools , washover cutters , drilling equipment , drilling accessery , completion tools
Address: Floor 7,Building C ,Fortune center, Century city Guiyang Guizhou 550022 China,
Guiyang, Guizhou
China, 550022
Tel: 8608514826443
Fax: 8608514826443
