这种转向系统主要由圆筒式壳体、定位器、螺旋转套、斜向器和造斜组合钻具等组成。
The new whipstock system is mainly comprised of cylindrical case, localizer, spiral rotating sleeve, whipstock and deflecting tools.
利用多轴组合钻解决瓶颈结构中螺孔的钻削问题，以提高劳动生产率，满足零件大批量生产的需要。
Describes how to solve the problems of drilling and cutting for screws in the structure of bottle neck, to improve production rate and meet the demand of batch production for spare parts.
采用组合钻具进行跟管钻进，通过随钻跟入的套管保护孔壁，解决因钻孔垮塌导致钻探效率和岩心采取率低等技术难题。
The problems of low drilling efficiency and low core recovery due to borehole collapse were solved with pulling in casing while drilling through using combined BHA with casing.
并给出计算任意组合钻柱系统的轴向振动稳态响应的一般方法，提供不同测量条件下分析钻柱轴向振动状态的不同方法。
The calculation method of drilling string axial vibration is given. Meanwhile, the different methods of analysing drilling string axial vibration state are supplied in different surveying condition.
堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。
Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.
对处于不同工艺条件下的钻柱、套管、油管的强度设计和组合使用等均有实际意义。
It has a practical meaning for the strength design and combination usage of drill string, casing and tubing under different technological conditions.
扶正器组合设计是钻定向井基本而关键的工作。
The design of centralizer assembly is the basic and key job for directional drilling.
对深孔钻屑组合机床分级进给机构进行改进后，达到了简化结构、方便调整、减少故障的目的。
After the modification of step feed mechanism of deep drill combined machine tool, simplifying structure, convenient adjustment and reducing fault rate have been proved.
根据新钻遇断点资料对断层进行重新组合，原井网条件下控制的部分断层的数量、延伸长度、走向发生了变化。
After recombination of faults according to new penetrated breakpoints data, the number, extension length and trend of some faults controlled by original patterns changed.
本文探讨一种便于使用和推广的多轴钻组合机床计算机辅助设计的过程、步骤和方法以及其它一些基本问题的处理。
This article probes into the process step, method and the disposal of some other basic problems of a computer-aided design for multiple spindle drill unit, which is easy to use and popularize.
根据新钻遇中断点资料对断层进行重新组合，原井网条件下控制的部分断层的数量、延伸长度、走向发生了变化。
After recombination of faults according to new penetrated breakpoints data, the number, extension length and trend of some faults controlled by original patterns changed.
给出了3种钻具组合形式，分析了井下导向技术的优势，探讨了携岩等技术问题并推荐了解决办法。
The paper presented 3 kinds of bottom hole assembly, analysed the advantages of downhole steering technique, discussed the problems such as rock carrying and recommended some solutions.
利用平衡侧向力方法和SA BHA软件系统，对曙古11水平井定向造斜段钻具组合的导向能力进行了预测分析。
The steering ability of BHA in build up section of horizontal well Shugu 11 has been predicted and analyzed by balanced side force method and SABHA software.
计算和实例分析表明，该方法分析结果准确，可以有效地对钻具组合设计是否最优做出评价。
The practical application shows that the result is accurate and the method can tell whether the design of BHA is proper effectively.
同时以一组双稳定器钻具组合为例，分析钻具节点的位移变化图、弯矩图和应力分布图可得出钻具上的受力变形情况。
Moreover, taking the BHA with two stabilizers for example, based on analyzing the displacement, bending moment and stress on the nodes of BHA, the force and deformation of BHA are obtained.
利用平衡侧向力方法和SABHA软件系统，对曙古11水平井定向造斜段钻具组合的导向能力进行了预测分析。
The steering ability of BHA in build up section of horizontal well Shugu 11 has been predicted and analyzed by balanced side force method and SABHA software.
经现场5口井试验表明，不弯曲钻铤能够起到增大下部钻具组合刚度，控制直井段井斜的作用；
The on-site tests of 5 wells showed that the stiffness of lower drill pipe assembly was increased to control deviation in the straight hole.
钻具组合上有扶正器可使套管鞋反向定位以减少套管内钻具组合的侧向移动。
A stabilizer on the BHA positioned opposite the casing shoe reduces lateral motion of the assembly inside the casing.
钻井工艺参数及合理的钻具组合对井眼轨迹的控制至关重要。
Drilling technology parameter and rational combination of drilling tools is a key for controlling the borehole track controlling.
钟摆钻具是一种常用的纠斜钻具组合，在钻井中应用极为广泛。
Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
应用数值计算方法，分析了偏心钻头底部钻具组合的受力和变形特性。
The mechanical properties and the deformation characteristics of the BHA with the eccentric bit are analyzed.
运用纵横弯曲连续梁理论和达朗伯原理，建立了偏轴钟摆钻具组合动力学分析模型。
A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the d.
作为井下闭环钻井系统核心部分的下部导向钻具组合的力学特性，则成为形成井下闭环控制的基础。
The steering assembly is the key tool of the downhole closed-loop drilling system, and its mechanics properties are the base of downhole closed-loop control.
通过优化双稳定器滑动导向钻具组合的结构参数，可以获得较单稳定器滑动导向钻具组合更高的导向能力。
Comparing with single stabilizer slide - and -guide BHA, a better steering ability can be achieved through optimizing the structure parameters of double stabilizer slide - and - guide BHA.
预测下部钻具组合(BHA)的造斜能力对准确控制井眼轨迹十分重要。
Accurate prediction of BHA deflecting capacity is very important for precise well trajectory control.
探讨了小眼井井身结构、钻具组合、钻头选型、钻井参数等问题。
It discussed problems about wellbore structure, BHA, bit selection, drilling parameters and so on.
文中详细介绍导向钻井系统在港深24 -26井的应用情况、钻具组合、参数优选，并进行效果分析。
The paper presents the application, bottom hole assembly and parameter optimum of steering drilling system in Gangshen well 24-26. Meanwhile, the applied effect is analysed.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
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