Patent ID: 8550172
Filing Date: 2013-10-08
Classification: E21B

Abstract:
1. A barrier valve system comprising: two or more barrier valves; a connection sub having a first portion and a second portion connecting one or more control lines to each other; and a replacement portion of the connection sub connectable to the first portion subsequent to retrieval of the second portion, the replacement portion having a port from an outside diameter of the replacement portion to an inside diameter of the replacement portion and a first seal and a second seal disposed to define an annular space between the first seal, the second seal, the replacement portion and the first portion encompassing two or more valve opening ports in the first portion, the two or more valve opening ports in the first portion being operably connected to the two or more barrier valves and configured to open the two or more barrier valves in response to pressure supplied through the two or more valve opening ports.