E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/024 (2006.01) E21B 47/01 (2006.01)
Patent
CA 2692196
An apparatus for initializing a wellbore survey tool comprises a base portion and a first mounting portion mechanically coupled to the base portion. The first mounting portion can be adapted to be mechanically coupled to at least one directional reference system configured to provide data indicative of an orientation of the at least one directional reference system with respect to a reference direction. The apparatus of certain embodiments further comprises a second mounting portion mechanically coupled to the base portion, the second mounting portion configured to be mechanically coupled to a wellbore survey tool such that the wellbore survey tool has a predetermined orientation with respect to the at least one directional reference system.
Ekseth Roger
Weston John Lionel
Gyrodata Incorporated
Robic
LandOfFree
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