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2 Single bore-hole technology The simplest ...

11.4.2 单钻孔技术开发地热能最简单之系。

Keywords: bore-hole trajectory;guidance;computer simulation;rotary drilling steering tool;close-loop drilling

中文关键词：井身轨迹；制导；计算机仿真；旋转导向钻井工具；闭环钻井

Scientific bore-hole trajectory can not only guide trajectory and predict drilling trajectory parameters, but also optimize bottomhole assembly and improve trajectory control accuracy.

科学的井眼轨迹反演不仅可以指导轨迹设计、反演实钻井眼轨迹参数，而且可以优化钻柱底部组合、提高轨迹控制精度。

The research presented in this thesis concentrates mainly on two fundamental subjects on technology of filling bed separation with waste through bore-hole to reduce surface subsidence. One involves the dynamic principles of development of strata separation and the other is related to ascertaining method of parameter of grouting.

本文重点研究了覆岩离层注浆减小地表沉陷技术的两个最基本的问题，其一是采动覆岩离层的动态发展规律；其二是注浆参数的确定方法。

It sy stematicaly instructs the construction method of bore-hole filling pile in the rock area with under-earth mined-out layer.

文摘：笔者以神延铁路W8标段多座桥梁工程实践为基础，系统介绍了有地下采空层的岩石地区钻孔灌注桩施工的方法。

The information of bore-hole inclination measured by the downhole apparatus is transferred to the pulse signal generator , and then sent to the pressure sensor on the stand in a form of pressure pulse and recorded by the electronic recorder finally the drift angle is indicated according to the pulse signal .

其工作原理为：通过精密的测量机构测量井斜，测得的井斜信息由控制机构传递给脉冲信号发生装置，该装置发出的信号通过钻井液以压力脉冲的形式传递给立管上的压力传感器，接收的信号由电子记录仪记录，由记录的脉冲信号读出井斜角。

The thesis is organized as follows:In Chapter 1,a new partial differential equation model for Spontaneous Potential log in heterogeneous formations is introduced.At the same time,the existence and uniqueness of weak solution to the problem are proved,and the problem of resistance identification in SP log is studied.Furthermore,a jump condition capturing finite difference scheme is proposed and applied to solve such elliptic interface problems.The effects of various factors on SP response,which include objective layers resistivity,bed thickness,bore-hole diameter,invasion and water-flooded zones and so on,are investigated quantitatively by the proposed method, and satisfactory results are obtained.

具体安排如下：第一章首先建立复杂地层中自然电位测井的偏微分方程数学模型，证明了该边值问题弱解的存在唯一性，在此基础上研究了自然电位测井电阻率识别问题：然后发展了用于求解椭圆交界面问题的间断捕捉有限差分方法，利用该方法定量分析了目的层电阻率、地层厚度、井径、侵入带和水淹层等因素对自然电位测井响应的影响，取得了满意的结果。

From studies on the tidal models and observed results ,the spatial variation of Love number is not great because of the influence of the greater tectonics in the earth ,the modeled stress can be evaluated with the model values of the bore-hole strain without the mechanical properties of the coupled media .

从潮汐模型研究和潮汐观测结果来看，勒夫数受地球大结构的影响，空间变化不大，据此可用勒夫数的模型值去求定标定应力。

The coal seam floor surfaces reconstructed by general interpolation methods of GIS with bore-hole datasets usually do not fit with the datasets collected by mine geological survey.

常用GIS曲面建模方法采用钻孔数据构建煤层底板高程曲面，在局部地区往往不能与矿井地质手段获得的其它数据相契合。

According to the experi ence of my long term career of geotech drilling and tunneling engineering technique work and manage ment, and the characteristics of plum blossom-type section borehole grouting pile construction technolo gy, and in accordance with 《Construction Foundation Pile Technique Standards》, and 《Standards for Grouting Pile Foundation Construction Technique》, the research work has set up the work process technique demands for the new piling making technalogy's bore-hole drilling, steel cage's making and placing, and concret grouting etc.

根据研究者多年从事岩土钻掘工程技术工作和管理工作的丰富经验，鉴于梅花断面钻孔灌注桩施工技术的特点，依据《建筑桩基技术规范》和《灌注桩基础技术规程》，提出了梅花断面钻孔桩施工技术的钻进成孔、钢筋笼制作与吊放、混凝土灌注等方面的具体操作技术要求。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。