Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate
2008-05-20
2010-10-19
Thompson, Kenneth (Department: 3672)
Boring or penetrating the earth
With signaling, indicating, testing or measuring
Tool position direction or inclination measuring or...
C175S061000, C702S009000
Reexamination Certificate
active
07814989
ABSTRACT:
The invention relates to a method for performing a drilling operation at a wellsite having a drilling rig configured to advance a drilling tool into a subsurface. The method steps include obtaining a well trajectory associated with a first volume, obtaining information related to a first subsurface entity associated with a second volume, using a three-dimensional relational comparison to determine that the first volume intersects the second volume to define a first intersection information, updating the well trajectory, based on the first intersection information, to obtain an updated well trajectory, and advancing the drilling tool into the subsurface based on the updated well trajectory.
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International Search Report dated Sep. 29, 2008 (3 pages).
Chapman Clinton
Nikolakis-Mouchas Christos
Repin Dmitriy
Singh Vivek
Galloway Bryan P.
Lord Robert P
Nguyen Cuong Lam
Schlumberger Technology Corporation
Thompson Kenneth
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