【作者】 贾光政； 王宣银；

【Author】 JIA Guang-zheng,WANG Xuan-yin (Department of Mechanical Engineering, Daqing Petroleum Institute, Anda 151400, China; The State Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China)

【机构】 大庆石油学院机械工程学系； 浙江大学流体传动及控制国家重点实验室；

【摘要】 研制了一种新型液压控制可循环调层的堵水开关．介绍了单元开关和组合液压开关的基本结构和工作原理,说明了开关的设计特点和应用场合,给出了几何参数和力学参数的计算公式,从而为该类井下工具的设计提供了参考．更多还原

【Abstract】 A new type of hydraulic control switch with circular adjustment for blocking water in oil well is developed. The structure and principle of the unit switch and the assembled switch are introduced. The design features and application are explained. The equations used for calculating the geometry parameters and the mechanics parameters are obtained, which can give a guidance to the design of this kind of downhole tool.更多还原