Patent ID: 7308755
Filing Date: 2007-12-18
Classification: E21B,Y10T

Abstract:
1. An apparatus for plastically deforming and radially expanding a tubular member, comprising: a tubular support member including a first passage; an expansion cone coupled to a lower end of the tubular support member and having a second passage fluidicly coupled to the first passage and an outer conical surface; an annular expansion cone launcher movably coupled to the outer conical surface of the expansion cone; an expandable tubular member coupled to an upper end of the annular expansion cone launcher; a shoe coupled to a lower end of the annular expansion cone launcher and having a valveable fluid passage fluidicly coupled to the second passage, the first passage, second passage and valveable fluid passage being operative to permit upward flow of a fluid therethrough in response to downward movement of the apparatus through the fluid; and another annular expansion cone movably coupled to the tubular support member; wherein the annular expansion cones are positioned in opposite orientations.