rod string的例句大全

Apparatus for centralization and thread off prevention of rod string in screw pump holes

螺杆泵杆柱扶正防脱扣装置及其应用

The new device uses a rotary mechanism similar to ball joint to eliminate the unscrewing torque caused by the reciprocating motion of the rod string.

这种装置采用类似球形关节的旋转机构，消除了抽油杆柱上下往复运动产生的倒扣扭矩；

Force measure and analysis on sucker rod string in off-center wear well

偏磨油井抽油杆受力实测分析

Discussion on rod string rotary drilling technology for pumping well

抽油机井抽油杆柱旋转工艺技术初探

Studies on heat transfer calculation and thermal design on gravity heat pipe sucker rod string are carried out, and the method of heat transfer calculation for gravity pipe made from hollow sucker rod is put forward.

进行了重力热管式抽油杆柱传热计算和热工设计研究，提出了由空心抽油杆制成的重力热管的传热计算方法。

The paper gives a detailed analysis of the design method causing rod string dropout and points out its inadequacies.

文章对抽油杆柱断脱的设计方法进行了详细的理论分析，指出了其中存在的问题。

Rod string bears alternating load which usually results in material fatigue. The fatigued life of rod string is directly related with the load alternating times and range.

抽油杆承受交变载荷，而交变载荷往往造成材料的疲劳损坏，杆柱的疲劳寿命与变载循环次数和变载幅度直接相关。

Analysis of Centralizer Mount Position of Rod String of Screw Pump Based on Rotor Dynamics Method

基于转子动力学方法研究螺杆泵抽油杆柱扶正器的布置

The visual setting of centralizer and the friction simulation of sucker rod string in directional well

定向井有杆抽油系统扶正器可视化设置及仿真

Main Positions of Pumping Rod String Friction in Deviated well

斜井抽油杆柱主要摩擦位置确定方法

Problems of centering rod string and tubing string in straight holes The influences of running conditions of the oil wells on the wear of rod string and tubing were systematically analyzed.

直井中抽油杆柱和油管柱的扶正问题系统分析了油井生产条件与生产参数对杆管偏磨的临界轴向压力与柱塞下行阻力的影响。

The feature of the progressive cavity pump mobile intermittent recovery technique is using a tractor as power unit, adopting a double universal coupling transmitting the power to a drive head to make the rod string rotate and thereby drive the progressive cavity pump for pumping.

新开发的螺杆泵机动间歇采油技术及设备的主要特征是用拖拉机做动力源，用双万向联轴器把动力传递给驱动头，由驱动头带动抽油杆柱旋转，进而驱动螺杆泵旋转抽油。

Tentative Researches in the Design Criteria of a tapered Rod String in a Straight well

直井深抽杆柱设计准则初探

The design of tapered thread rod string used in screw pump and its application

螺杆泵锥螺纹抽油杆的设计与应用

the twisting vibration characteristic analysis of the sucker rod string for progressing cavity pump oil production system

螺杆泵采油系统杆柱的扭转振动特性分析

analysis of twisting vibration eigenfrequencies of rotary sucher-rod string

旋转抽油杆柱扭转振动固有频率分析

on the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.

在对旋转抽油杆柱的扭转振动分析的基础上，给出了各阶扭转振动固有特性参数的计算式。

the static weight of the sucker rod string minus the maximum downward inertial force during the pumping cycle on a beam pumping unit.

在游梁式抽油机抽油循环期间，抽油杆柱的静止重量减去最大向下惯性力。

the rod provides a connection on a sucker-rod pump between the sucker-rod string and the bridle on the pumping unit.

光杆提供在抽油杆柱与抽油机上的钢丝绳之间提供连接。

the horsehead is used to insure that the pull on the sucker rod string is vertical.

驴头用来确保抽油杆柱沿垂直方向被提拉。