公开(公告)号：US09784058B2

公开(公告)日：2017-10-10

申请号：US14515055

申请日：2014-10-15

Applicant: Sercel

Inventor： Jean-Eric Negre ,  Ronan Affre De Saint Rome ,  Thierry De Kimpe

IPC: E21B23/01 ,  G01V1/52 ,  G01V11/00 ,  E21B23/14

CPC classification number: E21B23/01 ,  E21B23/14 ,  G01V1/52 ,  G01V11/005

Abstract: Method and down-hole tool for use inside a well, the down-hole tool including a housing; an anchoring arm rotatably attached to the housing and configured to move between an open position and a closed position; a spring block configured to have a central part that moves along a longitudinal axis (X) of the housing which results in the movement of the anchoring arm between the open or closed positions; and an actuating mechanism connected to the central part and configured to move the central part along the longitudinal axis. The spring block is detachably attached to the housing.