发明名称 Position indicator for drilling tool
摘要 A position indicator for use in a dowhole tool and method for use is provided. The position indicator has a sensor that detects the position of a portion of the tool as the tool rotates. The sensor sends a signal to a controller to relay the position of the tool to a controller and/or operator. The rotational position of the tool may be controlled in order to perform downhole operations.
申请公布号 US8528662(B2) 申请公布日期 2013.09.10
申请号 US20090428455 申请日期 2009.04.22
申请人 CAMP DAVID M;AMKIN TECHNOLOGIES, LLC 发明人 CAMP DAVID M
分类号 E21B25/16 主分类号 E21B25/16
代理机构 代理人
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