Patent ID: 8662178
Filing Date: 2014-03-04
Classification: E21B

Abstract:
1. A wellbore servicing apparatus comprising: a housing substantially defining an axial flowbore and comprising one or more ports, wherein the housing further comprises an expandable seat recess; an expandable seat; and a sliding sleeve slidably fitted within the housing, the sliding sleeve being transitional from a first position relative to the housing to a second position relative to the housing and from the second position to a third position relative to the housing, wherein, in the first position, the sliding sleeve does not permit fluid communication from the axial flowbore to an exterior of the housing via the one or more ports and the expandable seat is retained in a narrower, non-expanded conformation, wherein, in the second position, the sliding sleeve is downward relative to when in the first position, the sliding sleeve permits fluid communication from the axial flowbore to the exterior of the housing via the one or more ports, and the expandable seat is retained in a narrower, non-expanded conformation, and wherein, in the third position, the sliding sleeve is upward relative to when in the second position, the sliding sleeve does not permit fluid communication from the axial flowbore to the exterior of the housing via the one or more ports, and the expandable seat is allowed to expand into a wider, expanded conformation.