Multiple shunt pressure assembly for gravel packing

The present disclosure relates to screen assemblies of lower production systems used in wellbore gravel packing, and more particularly to shunt tube systems utilized in the sand screen assemblies. A completion assembly for deployment in a wellbore, comprises a first sand screen assembly including the shunt tube assembly having a transport tube and a packing tube, and a second sand screen assembly including the shunt tube assembly having a transport tube and a packing tube, wherein the first and second sand screen assemblies are arranged end to end relative to one another. And the transport tube of the first sand screen assembly has a first wall thickness and the transport tube of the second sand screen assembly has a second wall thickness, the first wall thickness being greater than the second wall thickness.