Turbodrill

Details Turbodrill Turbodrill

E - Fixed Constructions

21

B

255/12

E21B 4/02 (2006.01) E21B 7/04 (2006.01) E21B 47/022 (2006.01) F03B 13/02 (2006.01)

Patent

CA 1174230

ABSTRACT OF THE DISCLOSURE A turbodrill comprising turbine sections, a spindle and a non-magnetic pipe which, according to the invention, is formed by two coaxially arranged pipes provided between the spindle and the adjacent turbine section and coupled to components of the turbodrill. The invention may be most advantageously used in turbodrills designed for directional drilling wherein the well bore is to be drilled with minimum deviation from a predetermined path.

385545

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