螺杆钻具

首先，本文整体上介绍了国内外螺杆钻具应用与发展现状，分析了本文研究内容的必要性，提出了一种新型的螺杆钻具定子加工方法。

Firstly , this paper introduces developing situation of PDM , analyses the necessity of the research content , and brings forward a kind of new stator processing method of PDM .

弯外壳螺杆钻具在套管内通过能力的有限元分析

Finite element analysis of bend PDM running into casing

螺杆钻具Tc轴承的研制

Development of Tc bearings for downhole drilling motors

使用设计的CAD可提供所需的参数及数据，有助于提高设计质量和缩短开发螺杆钻具的周期；

The given CAD software provides the required parameters and data and can optimize the design feature and speed up the operational development .

PDM在螺杆钻具生产中的运用

PDM Application in the Production of Screw-Drilling

螺杆钻具中的径向Tc轴承是影响螺杆钻具使用寿命的关键部件。

Radial Tc bearings are the key parts influencing the service life of a downhole drilling motor .

爆炸喷涂WC-Co涂层研究及在螺杆钻具中的应用

Investigation in WC-Co coating of detonation spraying and its application on screw drills

中速螺杆钻具配钢体PDC钻头现场试验

A field testing of medium speed screw drill tool combined with DBS PDC bit with steel matrix

介绍了PDC钻头配合螺杆钻具在吐哈油田中深井中的快速钻进试验情况。

Fast drilling experiments of PDC bit cooperating with screw drill tool in deep wells in Tuha Oilfield are introduced .

螺杆钻具的高转速可以为PDC钻头提高切削速度提供井下动力保障。

High rotate speeds of dynamical drilling tools can improve PDC bit 's cutting rates , and also can provide downhole motives .

5LZ95×7.0同体双弯螺杆钻具研制

The development of model 5lz95 × 7.0 integrate double bend screw drill

该井采用了地质跟踪、无线随钻测量技术、螺杆钻具定向技术与DF-1多分支井完井技术等。

This well employed Measured While Drilling , geologic followup , screw drill direction technology and DF-1 multilateral well completion technology .

当今，螺杆钻具匹配PDC钻头复合钻进技术已经成为钻井界的主流工艺技术，实践应用证明其能有效地提高钻井速度、缩短钻井周期以及降低钻井综合成本。

Abstract : Nowadays the compound drilling technique with screw drilling tool combined with PDC bit has become a main current technology in drilling . Practical application shows that it can seriously improve the drilling rate , shorten drilling period and reduce drilling comprehensive cost .

中短半径双弯螺杆钻具在套管内的通过能力分析

The Analysis of PDM with Double Bent Angle Running into Casing

单螺杆钻具马达普通内摆线等距线型分析

Study on Common Internal Cycloid Isometric Contour-Pattern of Downhole Driling Motors

螺杆钻具传动轴的结构分析与改进设计

Structural analysis and improved design for transmission shaft of screw-drilling device

螺杆钻具转子的旋风式等法曲率铣削技术

Whirlwind Type Equivalent Normal Curvature Milling Technique on PDM 'S Rotors

水平井螺杆钻具的受力特征

Characteristic of force applied on positive displacement drill in horizontal drilling

螺杆钻具挠性轴断裂失效分析及预防措施

Failure analysis and precautions for the flexible shaft on screw drills

螺杆钻具和螺杆泵挠性轴的等应力设计

Even stress design of flexible shaft on screwdrill and screw pump

螺杆钻具挠性轴强度校核及干涉量计算

Strength check and interference calculation of flexible shaft on screw drill

螺杆钻具马达线型分析基础及研究方法

Basic Research on the Contour-pattern of Downhole Drilling Screw Motor s

降低螺杆钻具使用费用的有效方法

A Method to Decrease the Using Expense of the Screw Drill

侧钻水平井螺杆钻具组合设计及应用

Design and application of positive displacement motor in side-tracking horizontal well

螺杆钻具传动轴断裂分析

Fracture Analysis of the Transmission Shaft in Screw - Drilling Device

钻直井螺杆钻具止推轴承载荷计算

Calculation of load on thrust bearing of screw drills in straight hole

中空转子螺杆钻具转速软特性的改善

Improvement of soft characteristic of rotary speed of screwdrill with hollow rotor

等壁厚螺杆钻具定子加工工艺研究

Study on the Process Technics of Uniform Wall Thick PDM

螺杆钻具马达砂卡原因分析及预防措施

Failure analysis and precaution measures of sand jamming for screw drill motors

第一次侧钻因螺杆钻具事故而失败。

The first sidetracked is failure because of downhole motor .