of the expanded portions 22 which may in turn be associated individually with production zones a packer 38 or other seal device is arranged on the inner string 34 and arranged to engage against each unexpanded portion 24 in order to isolate the screen assemblies 36 and or their corresponding zones from each other the screen assemblies 36 are arranged with a filter or mesh 40 e g wire wrap screen narrow slots permeable foam etc in order to impede the passage of solids e g sand therethrough while permitting fluid flow the screen assemblies 36 can each be provided with a first valve 42 arranged for enabling selective fluid communication directly with the formation 28 bypassing the filter or mesh 40 e g in order perform a treatment stimulation fracturing or other operation on the formation 28 and a second valve 44 arranged for enabling selective fluid communication through the mesh or filter 40 of the screen assemblies 36 e g in order to produce fluid from the formation 28 as well as create a circulation flow path for a gravel or frac pack or other stimulation or treatment operation the valves 42 and 44 can be opened and or closed.