全钛合金钻杆性能测试试验研究  

The Experimental Study on Full Titanium Alloy Drill Pipe Performance Test

作　　者：杨晓勇 陈世春 冯强 刘永峰 张恒 张文华 YANG Xiaoyong;CHEN Shichun;FENG Qiang;LIU Yongfeng;ZHANG Heng;ZHANG Wenhua(Engineering Technology Research Institute,BHDC,Tianjin 300280,China)

机构地区：[1]渤海钻探工程技术研究院

出　　处：《石油管材与仪器》2019年第4期30-33,共4页Petroleum Tubular Goods & Instruments

摘　　要：在对现有钛合金钻杆特点及其国内外发展现状和特殊区块钻井难点分析的基础上,提出了全钛合金钻杆(接头、管体均为钛合金材质)制造技术的研究,采用摩擦焊接技术完成了全钛合金钻杆的制造,测试了全钛合金钻杆抗拉强度、抗内压强度、抗扭强度。试验结果表明:全钛合金钻杆的抗拉、抗扭、抗内压性能参数达到了同规格105(G)级钢制钻杆性能参数水平。Based on the characteristics of titanium alloy drill pipe and its development status at home and abroad as well as the difficulties of drilling in special blocks,the manufacturing technology research of full titanium alloy drill pipe (The joint and tube are all made by titanium alloy) was put forward.Friction welding technology was used to manufacture the full titanium alloy drill pipe.Tensile strength,internal compressive strength and torsional strength of the full titanium alloy drill pipe were tested.The results indicated that the tensile strength,internal compressive strength and torsional strength of full titanium alloy drill pipe reached 105 (G) level of steel drill pipe performance parameters.

关 键 词：全钛合金钻杆 抗拉强度 抗内压强度 抗扭强度 

分 类 号：TE921[石油与天然气工程—石油机械设备]