中空转子螺杆钻具工作特性分析  

Working Performance of Screw Drilling Tool Using Hollow Rotor

作　　者：张玉英[1] 王永宏[1] 

机构地区：[1]胜利石油管理局渤海钻井管具公司,山东东营257200

出　　处：《石油矿场机械》2007年第9期28-29,44,共3页Oil Field Equipment

摘　　要：介绍了中空转子螺杆钻具的结构、原理,导出了转矩、转速、功率、效率与马达两端压降的关系式,分析了其工作特性。为了改善该类螺杆钻具转速软特性,对中空转子分流嘴结构提出了改进建议。This paper presents formulations of the structure, principle, output torque, speed, power and pressure drop between both ends of motor, including working performance as well. In order to improve soft performance of drilling tools of such kind, a hollow rotor distributary＇s nozzle is put forward for improvement.

关 键 词：中空 螺杆钻具 特性 分析 

分 类 号：TE921.2[石油与天然气工程—石油机械设备]