Product Description

Product Description Our products include Drill Collar,Drill pipe,kelly,Non-Magnetic Drill collar,drill pipe,Stabilizer,subs,all kinds of stabilizer,Hole opener, Roller reamer, Casing scraper,Key seat Reamer,Kelly Valve,Full opening safety Valve,FT type Drop-in Check Valve,FJ type-Arrow back PressureValve,Inside Bop,Float Valve sub,By pass Valve,Cup tester,Wear Sub,Circulating sub,cross over sub,Reduce sub,saver sub,lift sub,Different of drilling jar,Fishing jar,Shock absorber,bumper Jar,Oil Jar,Bumper sub,Jar Intensifiers,

We also manufacture Bowen **0,Bowen*0,bowen *0,Overshot and spear,Also Different king of oilfield fishing tools,Fishing magnet,Milling tools(different kind of mill shoe and tap),Internal Casing Cutter,External Casing cutter,Marine or Mechanical,Hydraulic Bucking Unit,Downhole motor and tester,Jar tester...

We also trade for drill bit and BOP,Drilling rig......Include nearly all Equipment you could see for oilfield drilling work. ZSJ/ZXJ Type Drilling Jar (hydraulic-mechanically)       The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .It is a first selected tool for directional well,complicated well and deep well.The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar,both they can be used mutually or operated separately .The up jarring section takes use of hydraulic mechanism,the jarring force can be adjusted according to up elevating load but can not exceed the max.load for tool load rated .The down jarring section takes use of mechanical friction mechanism, the jarring force is well preadjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.

Up jarring test data
Type ZSJ*0 ZSJ*6 ZSJ*0 ZSJ*2 ZSJ*6 ZSJ*6 Rated release force(KN) **0~**0 **0~**0 **0~**0 **0~**0 **0~**0 **0~**0
Down jarring test data
Type ZXJ*0 ZXJ*6 ZXJ*0 ZXJ*2 ZXJ*6 ZXJ*6 Max.release force(KN) **0 **0 **0 **0 **0 **0
Thechnical specifications and parameters
Type
Parameters
Item ZSJ *0
ZXJ *0 ZSJ *6
ZXJ *6 ZSJ *0
ZXJ *0 ZSJ *2
ZXJ *2 ZSJ *6
ZXJ *6 ZSJ *6
ZXJ *6 O.D.(mm) **3 **7 **8 **0 **6 **1 I.D(mm) *1.4 *1.4 *0 *7 *7 *1 Pull down
overall length
(mm) Up ***5 ***5 ***4 ***0 ***0 ***0 Down ***0 ***0 ***5 ***8 ***0 ***5 Pull down
stroke(mm) Up **8 **8 **4 **4 **2 **5 Down **8 **8 **8 **8 **0 **8 Thread conn. API 6 5/8"REG 6 5/8"REG NC*0 NC*6 6 5/8"REG NC*8 Max.tensile load(KN) ***0   ***0   ***0   ***0  ***0   ***0   Max.Working Torque(N.m) *0 x *0 3 *8 x *0 3 *5 x *0 3 *5 x *0 3 *5 x *0 3 *3 x *0 3 Weight(KG) Up ***5 **0 **0 **0 **0 **0 Down ***7 **0 **5 **0 **7 **0