Patent ID: 8490694

Claim:
A system for collecting fluid from a specific region of wellbore, comprising: a single packer having: an outer structural layer expandable in a wellbore across an expansion zone, the outer structural layer comprising a plurality of drains within the expansion zone wherein the plurality of drains are located at different distances along a packer axial direction from a mechanical fitting; an inflatable bladder disposed within the outer structural layer, the inflatable bladder inflatable with fluid delivered into the inflatable bladder through an inner mandrel; and a seal layer disposed on the outer structural layer, each drain cooperating with the seal layer and a drain feature comprising a surrounding edge arranged around each drain to penetrate into a wall of the wellbore and to prevent extrusion of the seal layer when the single packer is inflated the seal layer having at least one passage to allow fluid passage along the packer axial direction.