Wellsite systems utilizing deployable structure

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 23/14 (2006.01) E21B 4/18 (2006.01)

Patent

CA 2715497

An apparatus for deploying an instrument usable with a well comprises at least one reversibly expandable structure, at least one actuator operable to change a perimeter dimension of the at least one reversibly expandable structure, at least one instrument disposed interior of the at least one reversibly expandable structure, and having an axial dimension, and tractoring fluid disposed between the at least one reversibly expandable structure and the at least one instrument. The apparatus is operable to perform at least one of exerting thrust to convey the at least one instrument with respect to at least one adjacent surface, creating compensating pressure between the at least one instrument and the at least one adjacent surface, and sealing between the at least one instrument and the at least one adjacent surface.

L'invention concerne un appareil pour déployer un instrument à utiliser avec un puits de forage, cet appareil comprenant : au moins une structure extensible de manière réversible; au moins un actionneur conçu pour changer une dimension du périmètre de la ou des structures extensibles de manière réversible; au moins un instrument disposé à l'intérieur de la ou des structures extensibles de manière réversible, et présentant une dimension axiale; et un fluide de traction disposé entre la ou les structures extensibles de manière réversible et le ou les instruments. L'appareil est conçu pour réaliser au moins une des actions suivantes : exercer une poussée pour transporter le ou les instruments par rapport à au moins une surface adjacente, créer une pression de compensation entre le ou les instruments et la ou les surfaces adjacentes, et assurer une étanchéité entre le ou les instruments et la ou les surfaces adjacentes.

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