System and method for drilling a borehole

Details System and method for drilling a borehole System and method for drilling a borehole

E - Fixed Constructions

21

B

E21B 7/04 (2006.01) E21B 7/06 (2006.01) E21B 47/00 (2006.01) E21B 47/024 (2006.01) E21B 47/12 (2006.01)

Patent

CA 2732036

A technique facilitates drilling in a wide variety of applications and environments. The technique utilizes a coiled tubing bottom hole assembly constructed with a sensor system that provides the ability to steer a borehole within a reservoir. An orienter is connected to a top end of the bottom hole assembly to provide rotational movement of the bottom hole assembly. The orienter can be designed to provide continuous and bidirectional rotational movement of the coiled tubing bottom hole assembly. A telemetry system is provided to enable high data rate telemetry between the orienter and a surface location as well as communication between the bottom hole assembly and the orienter.

Linvention concerne une technique permettant de forer plus facilement dans une grande variété dapplications et denvironnements. Cette technique utilise un ensemble de fond de trou de tubage enroulé construit avec un système de capteur permettant de guider un trou de forage à lintérieur dun réservoir. Une sonde dorientation est raccordée à une extrémité supérieure de lensemble de fond de trou pour en permettre la rotation. La sonde dorientation peut être conçue pour assurer un mouvement rotatif continu bidirectionnel de lensemble de fond de trou de tubage enroulé. Un système de télémétrie est prévu pour permettre une télémétrie avec un taux de transmission de données élevé entre la sonde dorientation et un point de la surface ainsi que la communication entre lensemble de fond de trou et la sonde dorientation.

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