Invention Grant
US08967241B2 Junk basket with self clean assembly and methods of using same 有权
垃圾篮自清洁组装及使用方法

Junk basket with self clean assembly and methods of using same
Abstract:
A downhole tool for removing debris from fluid flowing through the downhole tool uses a screen member and wiper member, the wiper member having at least one window disposed through the inner and outer wall surfaces of the wiper member. Either the screen member or the wiper member is rotatable such that rotation of the screen member or the wiper member causes debris disposed on the outer wall surface of the screen member to fall-off the screen member. At least one direction port disposed at either the upper end of the screen member or the upper end of the wiper member causes rotation of the screen member or wiper member when fluid flows through the downhole tool.
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