公开(公告)号：US20160237763A1

公开(公告)日：2016-08-18

申请号：US15023296

申请日：2014-09-18

Applicant: STATOIL PETROLEUM AS

Inventor： Gjermund GRIMSBO ,  Pål Viggo HEMMINGSEN ,  Rune GODØY

IPC: E21B17/10 ,  E21B33/13

CPC classification number: E21B17/1014 ,  E21B17/10 ,  E21B17/1021 ,  E21B17/1078 ,  E21B33/13 ,  E21B43/103

Abstract: A method of centralising tubing (10) in a wellbore comprises either providing one or more expandable elements (14) between a tubing and a surrounding casing (12) located in a wellbore and expanding the expandable elements against the casing so as to cause the tubing to centre within the casing; or expanding one or more portions (20) of a tubing against a surrounding casing located in a wellbore so as to cause the tubing to centre within the casing.

Abstract translation: 将管道（10）集中在井眼中的方法包括在管道和位于井眼中的周围壳体（12）之间提供一个或多个可膨胀元件（14），并将可膨胀元件膨胀到壳体上，以使管道 以套管为中心; 或将管道的一个或多个部分（20）膨胀到位于井筒中的周围的壳体上，以使管道在壳体内居中。