Sand control system and methodology

A method for use in a well, comprising:

• pumping a gravel slurry into a wellbore and down to an annulus surrounding a sand control system having at least one dehydration tube positioned externally of filter media associated with a plurality of sand control assemblies;
• using the at least one dehydration tube to separate gravel from a carrier fluid of the gravel slurry and to direct the carrier fluid along a flow path routed through the interior of the dehydration tube and to an interior of a base pipe of at least one sand control assembly of the plurality of sand control assemblies;
• providing a flow control mechanism along the dehydration tube;
• and
• employing an inflow control device to control fluid flow from the annulus surrounding the sand control system to the interior of the base pipe separately from the flow path through the interior of the dehydration tube.

A method, comprising:

• locating at least one dehydration tube along an exterior of filter media associated with a plurality of screen assemblies;
• fluidly coupling the at least one dehydration tube to a base pipe of a selected screen assembly via a base pipe opening of the selected screen assembly;
• controlling a fluid flow along the at least one dehydration tube with a flow control mechanism;
• and
• separately controlling inflow of fluid from an exterior to an interior of certain screen assemblies with corresponding inflow control devices.