这种“定向钻取”的优势如下
总结了该定向钻穿越施工的成功经验。
最后，优选安全性最高的定向钻穿越方案。
Finally, the optimization of the most secure directional drilling program.
同时介绍了定向钻图形显示系统的特色及主要功能。
It also introduces the main characteristics of the directional drilling graphics display system and its main functions.
介绍了采用定向钻非开挖技术的基本工作原理与设备组成。
The basic work principle and equipment composition of non-excavation technique of directional drilling machine have been introduced in this paper.
对定向井压差卡钻的分析有利于更好的进行定向钻井的施工。
It is beneficial to carry out the construction of directional well through the analysis of directional differential pipe-sticking.
介绍了定向钻穿越控制系统、主要施工程序、作业原理和作业方法。
Introduced control system, main construction process, working theory and working method.
根据穿越处地貌及地层特性决定将努比亚砂岩作为定向钻穿越的围岩。
Based on the features of geomorphology and strata in the crossing area, the Nubia sandstone is selected to be the surrounding rock.
用螺杆钻具组合实施煤矿工程孔定向钻进时，钻头侧向力是其主要力学特性。
The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively.
钻架是水平定向钻的主要承载部件，其强度和刚度对钻机能否正常工作影响很大。
The drilling frame is the main load-carrying part in horizontal directional drill, its strength and stiffness have great effect on the performance of the drill.
它是将陆地定向钻技术与水下人工攻泥器技术相结合，构成一种新的可控穿千斤攻泥器。
It is a combine of directional drilling technique on land and manual mud-penetrator technique undersea.
水平定向钻由于具有高精确，高效率，环保，安全等特点，已经越来越受到人们的重视。
Horizontal directional drilling, with its accurate boring, high efficiency, comparative safety in construction and less damage to the environment, has attract more and more people's attention.
在水平定向钻穿越管道回拖环节中，容易出现卡管现象，导致穿越失败，造成巨大的经济损失。
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
文章介绍了水平定向钻施工中各种导向技术的基本原理和各自的特点，并对其适用性进行了比较。
The article introduces the principles and peculiarities of some guiding techniques in horizon directional drilling project with comparison of their applicability.
通过分析定向井使用常规钻具组合的局限性，提出在冀东油田定向钻井中引入导向钻具的必要性。
This paper gives the necessity of using steering drilling tool in directional well drilling in Jidong Oilfield through the analysis of the limits in using conventional BHA.
井底钻具组合经常包括一个泥浆马达、定向钻进及测量设备、随钻测量工具、随钻测井工具和其它特殊的装置。
Oftentimes the assembly includes a mud motor, directional drilling and measuring equipment, measurements-while-drilling tools, logging-while-drilling tools and other specialized devices.
高效钻速与专业化的MWD组件，使得SRT较于常规型旋转导向系统能够以更低成本完成更加高效的定向钻进。
With targeted bit speed and specialized MWD components, the SRT provides efficient directional drilling at a lower cost than rotary-steerable systems.
由中国石油天然气管道科学研究院最新研制的DZ - 1小型定向钻为各类地下管道的敷设提供了一种先进的方法。
DZ-1 small -sized directional drilling newly developed by China Petroleum pipeline Scientific Research Institute provides an advanced method for laying of various pipelines.
按照以上方法，并结合现场的实际情况，对盘-锦输油管道的绕阳河和东郭镇鱼塘进行了定向钻穿越施工，取得了一次性成功。
Directional drilling crossing on Raoyang rive and Dongguo pound of Pan-Jin oil transporting pipeline successed the first time based on the above theory and the situation on the worksite.
在定向井轨道设计、实钻轨迹监控等一系列问题中，圆弧井段参数计算是一个最基础的问题。
Circular arc well section parameter calculation is the most primary question among a series of questions of directional orbit design and actual surveyed trajectory.
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.
为了恢复王云2井的生产，确定在套管内开窗定向侧钻王云2B井。
In order to recover its production, it was determined to drilling a directional side tracking well Wangyun 2b well inside casings.
钻井中，需要对将要钻达的下部地层深度进行预测，特别是在定向井的钻探过程中显得尤为重要。
In the process of drilling, it is important to predict the drilling formation depth, especially directional drilling.
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.
为了快速拆除杭州市内一幢内部框架加固的四层古式建筑楼房，原设计采用向南侧定向坍塌的爆破方案，并已钻眼确定爆破缺口。
In order to demolish an old internally frame reinforced four story building complex in the city, at first, the directional blast was adopted and the blasting drills had been practised.
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.
救援井是在地面与野喷井相距一个安全距离处所钻的一口定向井。
The relief well is a directional well drilled at a safe distance on the surface from the wild well.
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.
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.
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