rotating shut-in tool

Experimental study on control function of stabilized platform for rotary steering drilling tool;

旋转导向钻井工具稳定平台控制功能试验研究

Mechanism of rotary steering drilling tool;

旋转导向钻井工具的研制原理

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

Finite element simulation of lateral force on BHA of rotary steering drilling system;

旋转导向钻井工具BHA侧向力的有限元仿真

Vibration modal calculation for stabilizing platform on rotary steering drilling system;

旋转导向钻井工具稳定平台振动模态计算

Analysis of thrust force of actuating mechanism on rotary steering drilling system;

旋转导向钻井工具执行机构推靠力分析

Reasonab ly use the means of shut in well is premise ensur e high quality well testing achievem ent.

井下关井是煤层气注入压降试井的重要环节之一,井下关井工具的合理使用,是确保高质量试井成果的前提,针对不同的地层条件及施工情况使用不同种类的关井工具并辅以正确的操作方法,能有效降低试井的风险性,提高试井的成功率并获得高质量、高精度的试井曲线。

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

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

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

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 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

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

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

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

auger with valve

(钻浅井用) 带阀螺旋钻具

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

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

steerable downhole motor assembly

可转向的井下马达钻具组合

Investigation of Dynamic Characteristics on the Hydraulic Control Steering Mechanisms of Automatic Vertical Drilling Tools;

自动垂直钻井工具的液控导向机构动态特性研究

wireline downhole guidance tool

钢丝绳井底导向工具

In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.

除快速接单根外，还可用在打捞作业，找寻方向或需要慢转的钻井工具上，以及钻大小鼠洞用。