Abstract: A method employing tool (10) for taking an impression of an area of the internal bore of a tubular member (16) or a joint between two such members comprising means for directing a casting compound between two flexible membranes (20, 22) which are then forced outwardly so that the outer membrane (22) engages the area to be inspected within a bore where the compound forms a resilient mold (cast). When the force against the membranes and mold is removed, the membranes and mold collapse allowing the mold and tool (10) to be retrieved out the bore.

Abstract: A tool (10) for taking an impression of an area of the internal bore of a tubular member (16) or a joint between two such members comprising means for directing a casting compound between two flexible membranes (20, 22) which are then forced outwardly so that the outer membrane (22) engages the area to be inspected within a bore where the compound forms a resilient mold (cast). When the force against the membranes and mold is removed, the membranes and mold collapse allowing the mold and tool (10) to be retrieved out the bore.The tool (10) carries casting compound in two parts unmixed to the area to be inspected where a selected amount of working fluid (60) under preselected pressure from a fluid source (18) of a selected volume will open a valve (42) then force the two parts to be mixed and directed between two flexible membranes (20, 22).