E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) E21B 7/00 (2006.01)
Patent
CA 2683711
According to the invention, a system for drilling a cavity in a medium is disclosed. The system may include a bottom hole assembly. The bottom hole assembly may include a first longitudinal segment and at least one drill bit. The first longitudinal segment may include a first length of chassis having a first cross section. The first cross section may be configured such that the first longitudinal segment may have a greater stiffness in a first lateral direction than in a lateral direction different than the first lateral direction.
L'invention concerne un système pour forer une cavité dans un milieu. Le système peut comprendre un ensemble de fond de puits. L'ensemble de fond de puits peut comprendre un premier segment longitudinal et au moins un trépan. Le premier segment longitudinal peut comprendre une première longueur de châssis comprenant une première section transversale. La première section transversale peut être configurée de sorte que le premier segment longitudinal puisse présenter une plus grande rigidité dans un premier sens latéral que dans un sens latéral différent du premier sens latéral.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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