发明名称 RESETTABLE CIRCULATION TOOL
摘要 The present invention generally relates to an abrasive jet drilling assembly. In one aspect, a resettable circulation tool for use in an abrasive jet drilling assembly is provided. The resettable circulation tool includes an inner body having a first port in fluid communication with a bore. The resettable circulation tool further includes an outer body having a second port. Additionally, the resettable circulation tool includes a cam member configured to move along one or more slots, wherein the bodies move relative to each other to selectively align and misalign the first port and the second port as the cam member moves along the slots. In another aspect, a method of using a resettable circulation tool disposed in an abrasive jet drilling assembly includes moving the first and second ports into and out of alignment.
申请公布号 US2012160568(A1) 申请公布日期 2012.06.28
申请号 US201113338116 申请日期 2011.12.27
申请人 BOTTOS RICHARD DENNIS;BLACKLAW DAVID WILLIAM 发明人 BOTTOS RICHARD DENNIS;BLACKLAW DAVID WILLIAM
分类号 E21B7/18 主分类号 E21B7/18
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