Packer variable volume excluder and sampling method therefor

Details Packer variable volume excluder and sampling method therefor Packer variable volume excluder and sampling method therefor

2011-01-11

2011-01-11

Thompson, Kenneth (Department: 3672)

Wells

Processes

Separating material entering well

C166S191000, C166S054100

Reexamination Certificate

active

07866387

ABSTRACT:
A down hole apparatus includes a first expandable packer and a second expandable packer, where the first expandable packer longitudinally spaced from the second expandable packer. The apparatus further includes an optional expandable bladder disposed at a longitudinal location between the first expandable packer and the second expandable packer. The expandable bladder inflates to displace drilling fluid between the first and second bladder elements. The down hole apparatus can optionally displace drilling fluid between the first and second bladder elements with another fluid. Fluids and/or slurry can be selectively removed using ports between the first and second expandable packers, and optionally placed in sample chambers, or expelled to the bore hole.

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