Horizontal drilling method and apparatus

Details Horizontal drilling method and apparatus Horizontal drilling method and apparatus

1990-10-15

1991-08-27

Kisliuk, Bruce M.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

175 62, 175 74, 175 75, 175408, E21B 708

Patent

active

050425978

ABSTRACT:
A method and apparatus for drilling highly deviated wells is disclosed. A drilling assembly is attached to a drill string. The drilling assembly includes a bent sub, a pony collar attached to the bent sub, a motor with a bent housing, and a bit. Improved survey collars and bits are also disclosed.

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