E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2472547
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).
Abercrombie Simpson Neil Andrew
Mackay Alexander Craig
Trinder Duncan James
Marks & Clerk
Weatherford/lamb Inc.
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