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Improvements of normal surface scan algorithm for directional drilling;

定向钻井法面距离扫描算法的改进

This paper mainly introduces the application of naturally-communicated well pair and directional drilling communicated well pair in Jiangxi Salt Mine Co.

文章主要介绍了自然连通井组,定向钻井连通井组在江西盐矿有限责任公司的应用实际,分析了各自在多层薄层盐矿床开采中的特点,提出定向钻井连通井组为最佳开采工艺选择。

During directional drilling,tool face often deviated from the desired direction due to the friction caused by the relative motion(rolling and sliding) between the bit and the formation.

定向钻井中,钻头与地层之间的相对运动(滚动和滑动)所产生的反扭矩导致工具面不断偏离井眼设计轨道,为解决该问题,国外石油公司研制出了一种全新的无反扭矩钻井装置,并进行了初步的现场试验。

The common drilling assembly was introduced used in directional well drilling in the"straight-by-steady-down-stability"phase.

介绍了定向井钻井过程中"直-增-稳-降-稳"阶段常用的钻具组合,结合现场所用钻具,分析了各个阶段所用钻具的特点,并优选了钻具组合。

Using advanced sidetracking directional well techniques can make full use of abandoned well resources and reduce development cost of oil/gas field.

如何充分利用报废资源降低油气田开发投资和成本 ,运用先进的套管开窗侧钻定向井技术 ,能有效地解决川西地区失去开采价值的近百口生产井进一步挖潜的技术难题。

Application of Directional Drilling Technology in Coal-bed Methane Vertical Well Construction

定向钻井技术在煤层气垂直井施工中的应用

Study on Dirctional Well Drilling Design and Construction of Terrestrial Heat at Linyi Shandong;

山东临沂地热定向钻井设计与施工研究

Stduy on Geothermal Well Directional Drilling with Air Foam in Kenya Olkaria

肯尼亚OLKARIA地热井空气泡沫流体定向钻井综合技术研究

Study on Vertical Structural Stability of a Super-deep Drilled Shaft in Slurry

泥浆中超深钻井井壁竖向稳定性分析

3D visualization of hole trajectory in directional well drilling

定向井实钻井眼轨迹三维可视化描述

DRILLING TECHNOLOGY OF THE DEEPEST DIRECTIONAL WELL-LONGGANG 8 IN SICHUAN

四川超深定向井龙岗8井钻井技术实践

Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine

煤矿井下定向钻进通缆钻杆关键技术研究

The measurement while drilling technology in nearly horizontal directional drilling in coal mines

煤矿井下近水平定向钻进中的随钻测量技术

AN ALGEBRAIC METHOD OF BOREHOLE TRAJECTORY DESIGN WITH DEFINED BOREHOLE DIRECTION

限定井眼方向待钻轨道设计的代数法

APPLICATION OF DIRECTIONAL AND HORIZONTAL WELL DRILLING TECHNOLOGY IN THE RIGHT BANK OF AMDA RIVER

阿姆河右岸定向水平井钻井工艺技术实践

In drilling high angle deviated holes, friction is the main factor affecting the effective WOB.

在大斜度定向井钻井过程中，摩擦阻力是影响有效钻压的主要因素。

Brief Discussion on the Application of Wired Drilling Technology in Directio nal Horizontally-butted Wells

浅谈有线随钻技术在定向水平对接井中的应用

Design of Directional Drill of Data Acquisition Based on C8051F320

基于C8051F320的钻井定向数据采集系统的设计

Study on dynamic characteristics of controlled objects in stabilized platform of rotary steerable drilling system

旋转导向钻井稳定平台控制对象动态特性研究

Mechanism Research of Gas Drainage by Drilling Long Holes

井下预抽瓦斯定向长钻孔的合理性参数研究

Feedforward fuzzy algorithms research of stabilized platform in rotary steering drilling system

旋转导向钻井稳定平台前馈模糊算法研究

medium-radius lateral drilling

中曲率半径侧向钻井

bottom supporting drilling platform

定柱沉垫式钻井平台