Method and system of controlling drilling direction using...

Details Method and system of controlling drilling direction using... Method and system of controlling drilling direction using...

2008-03-18

2008-03-18

Patidar, Jay M (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

Reexamination Certificate

active

07345487

ABSTRACT:
A method and system of controlling drilling direction using directionally sensitive resistivity readings. At least some of the illustrative embodiments are methods comprising transmitting an interrogating electromagnetic wave from a tool in a borehole into a formation surrounding the borehole, receiving a first responsive electromagnetic wave from the formation by a first receiving antenna having a sensitivity pattern with a single primary lobe, determining proximity of a bed boundary using the first responsive electromagnetic wave, and controlling drilling direction based on the proximity of the bed boundary.

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