#$%^&*AU2011200624B220120412.pdf#####ABSTRACT 5 A method for fluid supply to the interior of a portion of a tubular body portion comprising: providing an element extending along a longitudinal axis and having at least one first selectably extendible tubular body portion sealing element associated therewith at a first axial location therealong and at least one second tubular body portion sealing element associated 10 therewith at a second axial location therealong extending said at least one first and second tubular body portion sealing elements within a tubular body portion to define a sealed region therebetween and supplying a fluid to said sealed region.