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1)  mock tool joint
假钻杆接头
2)  drill rod joint
钻杆接头
1.
Wearing resistance of drill rod joint is an important study in drill machine manufacture for years.
以钻杆接头常用材料40Cr为试验材料,对其经粉末固体渗硼后的耐磨性、耐蚀性进行了研究,结果表明,渗硼后其耐磨性提高7倍以上,耐蚀性也有明显提高。
2.
The three fail form of scoring,fillister and corrosion for 127 mm(5″) S135 drill rod joint,corrosion rate and corrosion production have been researched by means of analysis of chemical composition and microstructure,testing of mechanical property.
通过化学成分分析、力学性能测试、组织结构分析和高温高压模拟试验,对127 mm(5″)S135钻杆接头内壁出现划痕、凹槽和腐蚀三种失效形式,钻杆的腐蚀速率和腐蚀产物进行分析研究。
3)  drill pipe joint
钻杆接头
1.
Reasons of wear-reistant zone dropout in spray-welding coating on drill pipe joint and its preventive measures;
钻杆接头喷焊层耐磨带脱落原因及预防措施
2.
There are geometric defects at the shoulder of drill pipe joint.
针对钻杆接头反台肩处存在的外加厚过渡不全及几何缺陷 ,在静态纯弯曲条件下 ,用电阻应变片测试了所引起的应力集中系数 。
3.
Based on the theory of contact non-linear finite element, the non-linear finite element analysis model of drill pipe joint screw was established, and the effect regular of external diameter of drill pipe joint on the its strength was researched by means of large general-purpose finite element analysis software .
以接触非线性有限元理论为基础,建立了钻杆接头螺纹非线性有限元分析模型。
4)  drill pipe tool joint
钻杆接头
1.
Study of the torsion strength and material toughness criteria of drill pipe tool joint;
钻杆接头抗扭强度及材料韧性指标研究——系列专题之八
2.
Due to the increasing number of deep wells and directional wells being drilled,longitudinal fracture occurred on the box-ended drill pipe tool joint is often reported.
对钻杆接头材料进行SSC试验,发现如果将材料硬度限制在HB310以内,将明显减少钻杆内螺纹接头纵向应力腐蚀开裂失效。
5)  tool joint
钻杆接头
1.
This paper discusses how to establish the methods and parameters of heat treatment of petroleum tool joint based on selecting material and elementary analysis,and how to improve the technology by analyzing the results of practice.
以材料选择、化学成分分析为基础,确定钻杆接头的热处理工艺方法和工艺参数,并通过实践结果分析,改进工艺,满足技术条件要求。
2.
Analyses of longitudinal cracks of tool joints were performed based on field background search, macro and micro crack morphology analysis and material testing of both cracked and not cracked tool joints.
对某油田发生的钻杆接头纵向开裂事故进行了系统调查,对钻杆接头裂纹宏观形貌和微观形貌进行了分析,对开裂钻杆接头和未开裂的钻杆接头材质进行了对比。
3.
Based on the planar beam theory, the models for calculating the maximum bending stress of drilling rod under axial tensile load, compressive load, and zero load are given, in consideration of the effects of tool joint, axial force, drilling rod weight, and attachment of drilling rod with the wall of wellbore on bending stress of drilling rod.
在考虑了钻杆接头、轴向力、钻杆重量以及钻杆本体与井壁接触等因素的前提下 ,应用平面弹性梁理论建立了钻杆在轴向拉力、轴向压力和轴向力为零时钻杆的最大弯曲应力计算模型。
6)  drill pipe joints
钻杆接头
1.
Defects in 37CrMnMo4 drill pipe joints are investigated by using optical microscope(OM),scan electron microscope(SEM),energy-dispersive X-ray spectrometry(EDS) and wave-dispersive X-ray spectrometry(WDS).
利用金相显微镜、扫描电镜以及能谱和波谱分析手段详细研究了37CrMnMo4钻杆接头生产过程中的缺陷问题,结果表明,37CrMnMo4钻杆接头组织局部呈过烧状态,自由结晶面周围及晶界熔融处有P、Mo、Cr等元素的偏聚,由于钻杆接头材料中合金元素的偏析导致后续锻造过程中材料发生"形变过烧"。
2.
The resulting drill pipe joints showed satisfactory corro-sion resistance in service.
钻杆接头是石油钻柱的重要组成部分,而耐蚀性是钻杆接头性能的重要指标。
补充资料:钻杆摩耗
分子式:
CAS号:

性质:又称钻杆摩阻或钻杆摩耗。在钻杆或钻柱中发生的压力损失。

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