钻杆

该焊机拥有2套自动焊接装置，1套用于TIG打底焊，1套用于CO2填充盖面焊，完全可以满足方钻杆对焊接质量的要求；

It has two sets of automatic welding devices , of which one is used for TIG back welding and the other is used for CO2 filling capping welding . It can completely meet the demand of kelly bar on welding quality .

方钻杆环缝自动焊机的研制

Development of automatic welding machine for welding circular seam of kelly bar

API钻杆接头连接几何参数误差的相互关系

Mutuality between Element Errors of Rotary Shouldered Connections of API Tool Joints

最小弯曲半径R在所设计的范围内变动时，钻杆通过转向器的阻力随着R的增大而减小；

F z decreases with the increase of R when R changes in the design range ;

面阵CCD在钻杆直径测量中的应用研究

Application of area array CCD on drill pipe diameter measurement

基于ANSYS的钻杆螺纹结构形式分析

Analysis of Screw Thread Structure of Drilling Stem with ANSYS

高强度钻杆在含H2S介质中的应力腐蚀试验研究

Stress Corrosion Test and Study of High Strength Drilling Rod in Sour Medium

钻杆摩擦焊生产线自动监控是基于PLC的集散式控制系统；

The drill pipe frictional weld production line automatic monitoring system is based on the PLC distributed control system .

基于T-S模型的钻杆对中自适应预测控制

T-S model based adaptive predictive control in drill stems windage adjusting

钻杆工具接头的抗扭强度普遍低于管体，为满足使用需要，考虑选择非API双台肩高抗扭矩接头。

The torsional strength of the drill stem tool joint is generally lower than that of the pipe body thereof .

鉴于此，采用面阵CCD对钻杆受磨损部位的直径进行非接触式测量。

Therefore area array CCD is adopted for the non-contact measurement of the diameter of the abrading section of the drill pipe .

MTD型钻杆无损检测设备在钻杆分级管理中的应用

Application of MTD Non-destructive testing equipment in classification of drilling pipes

200m水下机井钻杆爆破实践

Practice of Blasting Cutting the Rod in Zoom Underwater Downhole

鄂北工区钻杆WC耐磨环的耐磨材料及敷焊工艺分析

Analyses on Welding Techniques and High-abrasive Materials of WC Anti-friction Rings on Drilling Pipes at Northern Erdos Work Area

钻杆40Cr钢在含H2S钻井液中的腐蚀疲劳

On Corrosion Fatigue of Drill Pipe Made of Steel Type 40 Cr in Drilling Fluids Containing H_2S

2000m水井钻机的钻杆仿真研究

Simulation Research on Drill Pipe of 2000 Meter Water Well Rig

研究开发成功的SQ系列高强度绳索取心钻杆首次采用了薄壁钻杆内镦粗技术。

Inner upsetting technology for thin wall drilling pipes was used in Series SQ high strength wire line drilling pipes .

采用金相分析并结合X射线衍射、扫描电镜和电子探针能谱分析等方法，分析了某油田G105钻杆的腐蚀失效原因。

The corrosion failure of G-105 drill pipes in deposited in oil field was analyzed by means of the metallography analysis , XRD ( X-ray diffraction ), EPMA ( Electro-probe microanalyzer ), as well as TEM and SEM .

传统的DST钻杆测试作业时间长、测试费用高、易造成环境污染。

The traditional DST ( Drill Stem Test ) is long in operation time , high in cost and easy of polluting environments .

基于土壤与空气之间的对流和扩散原理，利用标有尺度的钻杆，从不同度试土壤中取得CO2样品，用胶管直接通入便携式红外CO2分析器进行测定。

Samples of CO2 in soil at different depths are extracted by a drilling pole ( with depth scale on it ) and transfered directly into a portable infrared CO2 gas analyzer through a rubber tube .

WSP总部位于江苏，主要生产油气勘探行业所用的套管、油管和钻杆。

Based in Jiangsu province , the company makes casing , tubing and drill pipes for the oil-and natural-gas-exploration industry .

研究表明，在新钻杆的热处理控温过程中可采用PID技术，通过选择合适的P、I、D参数，有效的抗干扰措施可实现：温度控制精度±5℃，时间控制精度±0.5s。

When appropriate parameter of P.I and D and effective anti-interaction method have been adopted , we can attain the consequence that temperature controlled precision is ± 5 ℃ and time controlled precision is ± 0.5s .

石油钻杆曲率的检测是石油勘探中一项关键的技术，本文提出了一种新的基于二维位置敏感探测器PSD的石油钻杆曲率检测系统。

Curvature of oil drill pipe testing is an important technology in oil prospecting . In this paper , a new curvature testing system based on PSD is developed in oil drill pipe detection .

S-135钻杆应力腐蚀与纵向开裂失效分析

Failure analysis on stress corrosion and longitudinal cracking of Model S-135 drill pipe

开发了钻杆适用性评价软件，其功能有：（1）损伤钻杆的安全状态评价（FAD评价与极限缺陷尺寸曲线）；

The functions of developed fitness-for-service assessment software of drill pipe : ( 1 ) safety status assessment of damaged drill pipes ( FAD assessment and limit defect dimension curve );

本文介绍摩擦焊接地质钻杆上下料机械手的主要结构特点及其所采用的PLC控制系统，并指出该机械手的二次开发前景。

The paper introduces the main structure and feature of the charge / discharge manipulator of friction welding geological drill stem as well as the PLC control system used by the manipulator . The foreground of secondary development of the manipulator is also pointed out .

应用失效评估图技术估算表明，横向材料V型缺口夏比试样室温冲击功大于100J时，将显著减少钻杆内螺纹接头纵裂破坏，失效案例统计数据验证了这一结果。

It is found that 100J Charpy impacts energy of transverse material at room temperature may decrease the longitudinal crack of drill pipe box joint . Failure cases analysis prove the result .

ZY-200型旋挖钻机钻杆应力的有限元分析

Finite Element Stress Analysis for Drill Rod on Model ZY-200 Piling Rig

钻杆加厚过渡区的内过渡半径（R）及内锥体（Miu）过小，导致表面应力高度集中，引发该区域疲劳失效严重，大大缩短了钻具的使用寿命。

By reason of the smallness of transitional radius and inner pyramid , too much surface-stress concentrate on the Inner upset transitional area is concentrated , that causes many fatigue failure accidents , and severely shortens drill-pipe life .

本文对摩擦力矩进行了计算，同时利用ABAQUS仿真的方法获得了高压下方钻杆旋塞阀的密封接触分析结果，两种方法得到的结果基本吻合。

The friction torque is calculated in this paper , and Using ABAQUS simulation method is obtained under high-pressure kelly cock sealing contact analysis results , Two results coincide .