E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/3
E21B 25/00 (2006.01)
Patent
CA 2006607
The present invention comprises a novel core drilling tool system which allows for less stressful extended axial settings and adjustments in a core barrel environment. More particularly, the present invention discloses the formation of the setting device as a separate spacer apparatus which provides a setting method independent of the suspension of the inner unit in the outer housing of a core drilling tool thereby allowing for axial settings over a long adjustment path which are generally free of stress due to the weight of the inner unit.
Behre Hans-Ulf
Laukart Jakob
Baker Hughes Incorporated
Behre Hans-Ulf
Laukart Jakob
Swabey Ogilvy Renault
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