Improvement and application of hydraulic jar for high-pressure ultra-deep well;
高压超深井液压震击器的改进及应用
By example of 95 mm TR jar and calcu lation of it, it is thought that by selecting type and number of washer accordi ng to number of its slot, the scope of packaged angle of the jar can be reached.
在保养TR调时震击器时,常遇到如何将组装角调整到45°~60°之间的问题,通过以95mmTR调时震击器为例,经计算可知根据垫圈槽数,选择垫圈的类型和数量,可将震击器组装角调整到合适的范围。
Jarring tool may use to unfreeze effectively, So how to calculate the dynamic Ioading accurately in jarring is an important work in jarring.
关于震击动载荷的计算说法不一,本文根据震击器上击器的工作原理,应用动力学分析方法,建立了向上震击作用中钻柱的动力学方程,分析了震击作用时弹性波在钻柱中的传播情况。
Development and application of the fully hydraulic while-drilling bumper sub
全液压式随钻震击器的研制与应用
In light of the commonly seen downhole breakdown of drilling pipe sticking in the drilling process,the new-type fully hydraulic while-drilling bumper sub was developed.
针对钻井过程中常见的井下卡钻事故,研制了新型全液压式随钻震击器。
Development and application of integral mechanical jar while drilling;
QJ159A整体机械式随钻震击器的研制及应用
To solve this problem,QJ159A integral mechanical jar while drilling is developed.
针对液压式、机械式随钻震击器因密封材料受介质腐蚀和井底高温的影响,技术性能不稳定,使用寿命低的问题,研制了QJ159A整体机械式随钻震击器。
Development and application of new surface jar;
一种新型地面震击器的开发与应用
The common surface jar cannot realize the normal resetting due to small hook weight in the shallow well below 3000 m.
针对某些3000m以内的浅井,因大钩悬重小,采用常规地面震击器无法实现正常复位的问题,研制了一种新型地面震击器。
pressure balanced drilling bumpersub
压力平衡式钻井震击器
oil-sealed jar safety joint
油封式震击器安全接头
fishingcoring jar
打捞和取心用震击器
An analysis of the failure of the while-drilling bumper sub and damper and its solution
随钻震击器及减震器失效分析与解决方案
By using this jar together with Model YJQ jar accelerator, more remarkable effect can be obtained.
这种震击器与YJQ型震击加速器一同使用，可获得更显著的效果。
Improvement and Application of Hydraulic Jar for High Pressure and Super Deep Wells
高压、超深井液压震击器的改进及应用
Analysis on the Fracture of Two Drilling Jar's Splined Mandrel and Improvement Measures
2起震击器花键心轴断裂原因分析及改进措施
Something that lessens or absorbs the shock of an impact.
缓冲器可以减轻或吸收冲击的震动的东西
It is used in measurement of pressure tronsients, such as in shock tubes, wind tunnels, and seismograph equipment.
它广泛用于瞬态压力测量，如冲击管、风洞以及地震仪器设备中。
Dynamic loading is produced by seismic forces, non-steady wind, blast, reciprocating machinery.
动荷载是由于地震力、不稳定的风、冲击波，往复式机器所产生。
In this paper, the nonlinear models of the leaf-spring shock absorber, elastic stop shocking and wheel hop are established.
本文建立了板簧、减震器和撞击限位块、车轮跳离现象的非线性模型;
Numerical Simulation of Double Layer Vibration Isolation Systems with MRD Subjected to Ground Shock
地冲击荷载作用下双层结构磁流变阻尼器隔震效果的数值模拟
An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
脑震荡脑震荡，对器官特别是大脑因受猛烈撞击而造成暂时或长期的功能丧失伤害
A blow with a blunt object.
重击，捶击用钝器的一击
diamod-enhanced hammer bit
金刚石镶齿震击钻头
pneumatic shockless jolt-squeeze moulding machine
气动无冲击震实造型机
telescopic shock absorber
伸缩筒式减震器;可伸缩减震器;筒式减震器
Inspect/replace the vibration damper.
检视/更换减震器。