Flexible liner for drilled drainhole deployment

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 43/08 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2628983

A liner for inserting into a drain hole, comprising a resilient tubular member with a central bore; wherein the tubular member is formed from a first continuous helically wound wire provided with a passageway to allow fluid communication across the member.

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