重点介绍了其井眼轨迹控制技术。
讨论了井眼轨迹预测和控制计算方法。
This paper discusses the basic principles of predicting and controlling the wellbore trajectory.
对于大多数直井，倾角其实也只是对井眼轨迹的测量。
For most vertical wellbores, inclination is the only measurement of the path of the wellbore.
介绍了历年来江苏探区三段制定向井井眼轨迹控制情况。
This paper reviewed the hole trajectory control of three interval profiles directional Wells that drilled in past years in Jiangsu exploration area.
地层可钻性各向异性的评价对井眼轨迹控制具有重要意义。
The evaluation of drillability anisotropy of the formation is very important for well trajectory control.
地面与井下的信息传输是井眼轨迹监测与控制的重要环节。
Information transmission along well bore plays a very important role in measuring and controlling a well trajectory.
重点介绍了该井定向侧钻及井眼轨迹控制的设计与施工情况。
This paper mainly discussed the designation and operation of directional sidetracking and well track control.
对比分析了两种坐标系下测量和计算井眼轨迹参数的优缺点。
The advantages and disadvantages of the surveying and calculating well trajectory parameters in two coordinates are also comparatively analyzed.
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.
定量计算钻头与地层之间的作用力对井眼轨迹控制具有重要意义。
The quantitative calculation of the forces between drill bit and formation is vital for drilling trajectory control.
研究结果对直井的防斜打直、斜井的井眼轨迹控制具有指导意义。
The research result has a guiding significance about preventive inclination of vertical well and wellbore trajectory control of inclined well.
由此得出，决定井眼轨迹的是钻头合位移方向，而不必是合力方向。
The trajectory of bore hole is proved to be formed by the resultant displacement of the bit instead of the resultant force.
应用地应力分布指导钻井轨迹，为井眼轨迹优化提供了新的研究方法。
Geostress distribution is used to guide drill track, offering a new method to optimize well track.
借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.
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.
在水平井作业过程中，准确判断井眼轨迹方向，有效控制层位尤为重要。
It is most important to accurately determine the well bore path and effectively control the layers while horizontal well drilling.
根据地层岩石特性及钻头与地层的相互作用关系，完成井眼轨迹控制方法。
Completing control method of well path due to the rock characters and the interaction between bit and formation.
复合式滑动导向钻井方式在定向井、水平井井眼轨迹控制中有其独特的优点。
The compounding slide steering drilling mode has its specific advantages in trajectory control of directional well and horizontal well.
所建立的圆弧模型及求解方法可应用于定向井井眼轨迹控制和中靶质量评价等。
The established arc model and its solving method can be applied to directional well trajectory control and target hitting quality evaluation, etc.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
地层可钻性各向异性评价在直井防斜以及定向井井眼轨迹控制中具有重要的意义。
Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional Wells.
地层自然造斜规律和造斜能力是定向井井眼轨迹控制和直井防斜打直的基本地质依据。
The formation natural deflecting law and force are the basic geological foundation for the well trajectory control in directional wells and deflecting-protection in vertical wells.
对现有抽油杆柱设计方法进行改进与补充，给出基于实际井眼轨迹的抽油杆柱设计模型。
This paper given an improvement and supplement to design methods of rod string in existence, established a rod string design model based on actual well path.
可在钻进过程中起到修整井壁的作用，使井眼轨迹尽量达到理想状态，防止出现狗腿现象。
Making trajectory of borehole as far as possible to achieve ideal condition an preventing the phenomenon of dogleg .
介绍了该井工程设计、地质设计、主要技术难点、施工概况、井眼轨迹测量及控制技术等。
The engineering design, geology design, main technique difficulty, operation general situation, well track measurement and control technique of the well are introduced.
靶心距是衡量井眼轨迹质量的一个关键指标，计算靶心距的核心问题是求解入靶点的坐标。
Off-target distance is a key index for measuring quality of borehole trajectory, of which the key is to find out solution to coordinates of target points.
弯曲平面倾角和井眼曲率的有机结合可以很好的描述井眼轨迹空间形状对钻头侧向力的影响。
The curvature rate and well curvature plane Angle can be used to make a good description of the influence of the well trajectory parameters on the side fo.
弯曲平面倾角和井眼曲率的有机结合可以很好的描述井眼轨迹空间形状对钻头侧向力的影响。
The curvature rate and well curvature plane Angle can be used to make a good description of the influence of the well trajectory parameters on the side force acting on bit.
系统分析了水平井井眼尺寸、井眼轨迹、水平井水平段长度和偏心距对水平井产量造成的影响。
This paper studies systematically the effects of wellbore diameter, wellbore trace, horizontal section length and eccentricity on production of horizontal well.
为了实现依据钻柱动力学的井眼轨迹控制，应特别重视钻柱振动特性与钻头受力状况的相互影响。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
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