Directional casing drilling

Details Directional casing drilling Directional casing drilling

2006-08-08

2006-08-08

Neuder, William (Department: 3672)

Boring or penetrating the earth

Processes

Boring curved or redirected bores

C175S062000, C175S258000

Reexamination Certificate

active

07086485

ABSTRACT:
A directional drilling system, including a casing string, a casing latch disposed inside the casing string proximate a lower end of the casing string and coupled to the casing string, a rotary steerable system disposed inside the casing string and coupled to the casing latch, and a drill bit coupled to the rotary steerable system.

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