公开(公告)号：US20170183929A1

公开(公告)日：2017-06-29

申请号：US15348867

申请日：2016-11-10

申请人： NCS MULTISTAGE INC.

发明人： Michael WERRIES ,  Juan MONTERO

IPC分类号： E21B23/03

摘要： There is provided a locator comprising a wellbore coupler including an engagement member that is biased by a biasing member for becoming disposed in a locating position within a locate profile within a wellbore, and a displacement impeding member for impeding displacement of the engagement member relative to the locate profile, while the engagement member is being supported by the displacement impeder, wherein the displacement is for effecting retraction of the engagement member from the locate profile.

公开(公告)号：US20160333679A1

公开(公告)日：2016-11-17

申请号：US15151799

申请日：2016-05-11

申请人： NCS MULTISTAGE INC.

发明人： Don GETZLAF ,  John Edward RAVENSBERGEN ,  Brock GILLIS ,  Michael WERRIES

IPC分类号： E21B43/25 ,  E21B43/14 ,  E21B34/10

CPC分类号： E21B43/255 ,  E21B34/10 ,  E21B2034/007

摘要： There is provided a downhole flow control apparatus comprising: a housing; a port extending through the housing; a passage disposed within the housing for conducting material to and from the port; a flow control member displaceable relative to the port; and a flow control member actuator configured for producing a pressurized fluid for urging the displacement of the flow control member.

摘要翻译： 提供了一种井下流量控制装置，包括：壳体; 一个延伸穿过外壳的端口; 设置在所述壳体内的通道，用于将物质传送到所述端口; 流量控制构件可相对于所述端口移位; 以及流量控制构件致动器，其构造成用于产生用于推动流量控制构件的位移的加压流体。