Hole opener and drillable casing guide and methods of use

Details Hole opener and drillable casing guide and methods of use Hole opener and drillable casing guide and methods of use

2007-08-21

2007-08-21

Neuder, William (Department: 3672)

Wells

Means for guiding insertable element laterally of well axis

C175S057000, C175S073000, C175S385000, C175S326000, C175S171000

Reexamination Certificate

active

11036450

ABSTRACT:
A down-hole tool guide is disclosed for deflecting various down-hole tools having a tendency to hang or bind in uncased bore holes. The down-hole tool guide or ball guide assembly, being adaptive to the down-hole tools, extends forwardly there from and includes an eccentric rotatable ball and high-pressure jets. In cases where the guide is used to guide casing, the ball guide assembly is constructed from a drillable material thereby allowing the hole bore to be extended beyond the last set casing depth without side deviation from the original bore.

REFERENCES:
patent: 4114705 (1978-09-01), Milan
patent: 4433738 (1984-02-01), Moreland
patent: 4640371 (1987-02-01), Moraly
patent: 4768599 (1988-09-01), Eischeid
patent: 6722451 (2004-04-01), Saugier
patent: 2005/0133268 (2005-06-01), Moriarty
patent: 3927625 (1991-02-01), None

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