E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/08 (2006.01)
Patent
CA 2740409
In at least one example, an isolation system includes at least one air bladder assembly including at least one air bladder and at least one coupling member coupling the air bladder to a drill head, wherein the air bladder is configured to compress and expand to counter oscillating forces generated by the drill head.
Dans au moins une forme de réalisation exemplaire, l'invention concerne un système d'isolation qui comprend au moins un ensemble ballonnet incluant au moins un ballonnet et au moins un élément de couplage couplant le ballonnet à une tête de forage, ce ballonnet étant conçu pour être comprimé et gonflé afin de s'opposer aux forces d'oscillation produites par la tête de forage.
Able Robert Eugene
Oothoudt Thomas J.
Bennett Jones Llp
Longyear Tm Inc.
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