Method and apparatus for horizontal drilling

E - Fixed Constructions – 21 – B

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E21B 7/20 (2006.01) E21B 7/04 (2006.01) E21B 7/06 (2006.01)

Patent

CA 2008977

The present invention comprises a novel method and apparatus for forming a perimeter lined, generally horizontally directed drill hole in a variety of soil formations. More particularly, the present invention discloses a method and apparatus for horizontal drilling which allows for the preparation of reinforced drill holes of a small diameter and precise heading by the use of a directed drilling tool seated within a mantle tube and the simultaneous advancement into various soil formations of this combination.

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