Model “ZJQ” Drilling Accelerator

Model “ZJQ” Drilling Accelerator

Model “ZJQ” Drilling Accelerator can be stored energy by hydraulic spring as to increase the jarring force for Hydraulic Jar. It should be applied with Hydraulic Drilling Jar Type QY? 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 that can increase force for two times at the highest. Meanwhile, it can decrease the bounce-back shock after jarring as to protect the drill tools above Drill Accelerator.

Specifications of Model “ZJQ” Drilling  Accelerator

MODELO.D. MM(IN)I.D.MM(IN)CONNECTIONMAX. STROKE    MMTENSION OF FULL STROKEKN (LBF)HOLE SEAL PRESSURE  MPA(PSI)MAX WORKING LOAD  KN(LBF)MAX TORQUE  KN﹒M(LBF·FT)LENGTH   MM(IN)
ZJQ46121(4-3/4)50.8(2)NC38350(13-3/4)350(78700)301100(247000)15(11000)7430(292-1/2)
ZJQ62159(6-1/4)57.2(2-1/4)NC50350(13-3/4)700(157400)301900(420000)25(18400)7780(306-1/4)
ZJQ64165(6-1/2)57.2(2-1/4)NC50350(13-3/4)700(157400)302000(449600)25(18400)7780(306-1/4)
ZJQ76197(7-3/4)61.9(2-7/16)6 5/8REG350(13-3/4)1000(224800)302600(584500)30(22120)7630(300-3/8)
ZJQ80203(8)76.2(3)6 5/8REG350(13-3/4)1000(224800)303000(674400)45(33200)7752(305-3/16)
ZJQ95241(9-1/2)76.2(3)7 5/8REG350(13-3/4)1200(270000)304000(900000)60(44200)6752(265-13/16)


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Contact Us

sales@saigaogroup.com susan@saigaogroup.com
+86-531-69959201
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China