In-drilling alignment

Details In-drilling alignment In-drilling alignment

2008-06-24

2010-11-02

Bomar, Shane (Department: 3676)

Boring or penetrating the earth

Processes

Boring curved or redirected bores

C175S045000, C073S152460

Reexamination Certificate

active

07823661

ABSTRACT:
To limit the growth of errors of an inertial navigation system for measurement-while-drilling, in-drilling alignment methods can be used. A pneumatics-based design of an apparatus for an in-drilling alignment method and its implementation downhole are described.

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