| 摘要 |
There is disclosed an expandable centraliser for locating a body within a borehole, and a method of centralising tubing in a borehole. In an embodiment of the invention, an expandable centraliser ( 10 ) is disclosed, the centraliser ( 10 ) comprising a deformable body ( 12 ), and at least one abutment portion in the form of a shoulder ( 14 ) on the body ( 12 ), the shoulder ( 14 ) adapted to be urged radially outwardly on deformation of the body ( 12 ), to centralise tubing ( 28 ) coupled to the centraliser ( 10 ) within a borehole ( 15 ).
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