Debris barrier for downhole tools

Details Debris barrier for downhole tools Debris barrier for downhole tools

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 23/06 (2006.01) E21B 33/10 (2006.01)

Patent

CA 2720443

A debris barrier assembly for use downhole includes a single body annular barrier having a bore; an extension tubular inserted through the bore; an upper tubular coupled to an upper end of the extension tubular; and a lower tubular coupled to a lower end of the extension tubular, wherein the lower tubular includes a release valve. In one embodiment, the release valve is mechanically opened. In another embodiment, a torque connection is used to couple the upper tubular to the extension tubular.

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