SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION

Two-action Drill Accelerator Type SZJQ

Two-action Drill Accelerator Type SZJQ Two-action Drill Accelerator Type SZJQ can be stored energy by hydraulic spring. It should be applied with Model QYⅡ Hydraulic Drilling Jar jointly. The drill collar and Hydraulic Jar (below the Drill Accelerator ) can function an accelerated effect when jarring operates as for making the stuck point gain more jarring force. Meanwhile, it can decrease the damage of tremor produced by up-down jarring for drill tools above Drill Accelerator

Specifications of Two-action Drill Accelerator Type SZJQ


MODELO.D. MM(IN)I.D.MM(IN)CONNECTIONMAX. UP-JARRING STROKE   MM(IN)MAX. DOWN-JARRING STROKE   MM(IN)HOLE SEAL PRESSURE  MPA(PSI)MAX WORKING LOAD  KN(LBF)YIELD TENSION   KN(LBF)MAX TORQUE  KN﹒M(LBF·FT)YIELD TORQUE   KN﹒M(LBF·FT)LENGTH   MM(IN)
SZJQ9595(3-3/4)31.8(1-1/4)NC26178(7)178(7)35(5000)600(135000)800(180000)4(3000)40(29500)6651(261-7/8)
SZJQ121121(4-3/4)50.8(2)NC38178(7)178(7)1100(247000)1560(350000)15(11000)27(20000)7185(282-3/4)
SZJQ165165(6-1/2)57.2(2-1/4)NC50165(6-1/2)165(6-1/2)2000(450000)3750(700000)25(18400)75(55300)7476(294-3/8)
SZJQ197197(7-3/4)71.4(2-13/16)6 5/8REG203(8)203(8)2600(585000)4000(900000)30(22100)100(73700)8000(315)
SZJQ203203(8)71.4(2-13/16)6 5/8REG203(8)203(8)2600(585000)4000(900000)30(22100)100(73700)8000(315)
SZJQ241241(9-1/2)76.2(3)7 5/8REG254(10)254(10)3500(787000)5800(1300000)40(29500)180(133000)7259(285-3/4)


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