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公开(公告)号：US09617815B2
公开(公告)日：2017-04-11
申请号：US14223431
申请日：2014-03-24
CPC分类号： E21B29/005
摘要： In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
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2.发明申请DOWNHOLE TOOLS WITH INDEPENDENTLY-OPERATED CUTTERS AND METHODS OF MILLING LONG SECTIONS OF A CASING THEREWITH 有权具有独立操作的切割器的切割工具和铣削长度的切割方法公开(公告)号：US20150267493A1
公开(公告)日：2015-09-24
申请号：US14223431
申请日：2014-03-24
IPC分类号： E21B29/00
CPC分类号： E21B29/005
摘要： In one aspect, an apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a plurality of cutters, each cutter having expandable cutting elements, a control unit associated with each cutter to expand the cutting elements of its associated cutter and a controller that controls each of the control units to independently activate and deactivate each cutter in the plurality of cutters to expand the cutting elements of each such cutter.
摘要翻译： 在一个方面，公开了一种在井眼中使用的装置，在一个非限制性实施例中包括多个切割器，每个切割器具有可扩展切割元件，与每个切割器相关联的控制单元，用于扩展其相关联的切割器的切割元件， 控制器，其控制每个控制单元以独立地激活和停用多个切割器中的每个切割器，以使每个这样的切割器的切割元件膨胀。
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