Corebarrel

Details Corebarrel Corebarrel

E - Fixed Constructions

21

B

255/5

E21B 49/02 (2006.01) E21B 25/16 (2006.01)

Patent

CA 1249261

ABSTRACT Corebarrel A corebarrel for use downhole and having an outer tube and an inner tube which are relatively rotatable and interconnected through a bearing assembly, and a solid state survey device for use in oriented coring and disposed within the inner tube below the bearing assembly.

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