A well bore servicing apparatus comprising a housing having a longitudinal axis and a through bore, and a movable member disposed in said housing, said movable member having a through bore and a fluid aperture therein, wherein said movable member is movable between a first stop position and a second...http://www.google.fr/patents/US7849924?utm_source=gb-gplus-shareBrevet US7849924 - Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool
Method and apparatus for moving a high pressure fluid aperture in a well ...
