reverse rotary boring是什么意思

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用法例句

Study on ground monitoring system of rotary steering drilling;

旋转导向钻井地面监控系统研究

Determination of eccentric displacement vector in rotary steering drilling;

旋转导向钻井偏心位移的测定方法

An advanced method for planning and surveying well trajectories of rotary steering drilling;

旋转导向钻井轨道设计及监测方法

Study on the transverse vibration of eccentric stabilizer in rotary navigation drilling;

旋转导向钻井偏心稳定器横向振动研究

Research on rotary navigation drilling tools and its application;

旋转导向钻井工具系统的研究及应用

Rotary steerable drilling technology that developed to be the top-level one in last century is now the main content of closed-loop control automatic drilling.

旋转导向钻井技术是上个世纪末期发展起来的一项尖端自动化钻井新技术,是当今世界上闭环自动钻井的主要内容,它的出现是世界钻井技术的一次质的飞跃。

The impact-rotary drilling technique and its tendency;

液动冲击旋转钻井技术及其发展趋势

The developing trend and inherent drive force for rotary drilling are pointed out.

对油气钻井的关键技术、理论基础及多学科的交叉特点进行了阐述 ,指明了旋转钻井的发展趋势与内在动力 ,并对 2 1世纪油气钻井技术进行了展望。

Based on analysis of application prospects of rotary drilling in petroleum drilling, this paper presents the structure and working principle of the new hydraulic kicker.

在分析了冲击旋转钻井技术在石油钻井中的应用前景的基础上，介绍了新型液动冲击器结构及工作原理；并根据往复泵的能量方程推导了液动冲击器的单次冲击功、能量利用率和冲击频率的计算公式，并利用实测数据进行了验证。

Mechanics Model of Rotation Axis in Directive Rotary Steerable Drilling System

指向式旋转导向钻井系统旋转轴力学模型

Study on the storage function of the measurement while drilling (MWD) system in rotary steerable drilling tool

旋转导向钻井工具随钻测量系统存储功能研究

Approaching of Dynamic Point-the-bit Rotary Steering Drilling Tool

动态指向式旋转导向钻井工具设计探讨

Method for eliminating centrifugal acceleration in rotary steerable drilling system.

旋转导向钻井系统中离心加速度消除方法研究

Analog computation of the attitude parameters of rotary steering drilling tool

旋转导向钻井工具姿态参数的模拟解算

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

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

Contactless power transmission method for rotary steering drilling tool

适用于旋转导向钻井工具的非接触式电能传输方法

Design of testing system of oriented experimental rotary table for petroleum drilling

石油钻井旋转导向实验转台测试系统设计

Study of the Hydraulic Systems of Well Drilling and the CFD Simulation of the Revolving Guide Sleeve;

自动防斜钻井液压系统研究及其旋转导向套CFD仿真分析

kelly for well-drilling machiens

旋转钻孔,钻井机用

Study on Trajectory Measurement Technology of the Point-the-Bit Rotary Steerable Drilling System

指向式旋转导向钻具钻孔轨迹测量研究

DEVELOPMENT OF VARIABLE-ANGLE BENT SUB OF ROTARY STEERING DRILLING TOOL

基于旋转导向钻进方式的可控弯接头发展现状

C_1+GAMMA geosteering drilling technology for Wei360-H1 well

卫360-平1井C_1+GAMMA地质导向钻井技术

The Study on Position Measurement and Control System of Bias Unit in the Rotary Steerable Drilling Tool

指向式旋转导向钻具偏置机构位置测控系统的研究

The Research on Logging Geosteering of Drilling Horizontal Well;

水平井钻井的测井地质导向方法与技术研究

Orientation Role of Comprehensive Logging Technique in Horizontal Well Drilling in Western Sichuan Basin

综合录井技术在川西水平井钻井中的导向作用

auger with valve

(钻浅井用) 带阀螺旋钻具