Wells – Processes – Placing or shifting well part
Reexamination Certificate
2008-05-27
2008-05-27
Thompson, Kenneth (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S241600
Reexamination Certificate
active
10877319
ABSTRACT:
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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Abercrombie Simpson Neil Andrew
Mackay Alexander Craig
Trinder Duncan James
Patterson & Sheridan L.L.P.
Thompson Kenneth
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