| 摘要 |
An apparatus for holding and launching down-hole actuation devices that has a body, a bottom end, a top end and a long bore between the ends. Moveable and protruding into the long bore are retainers upon which down-hole actuation devices may rest. Retainers are moved by a lockable hydraulic drive system. Additionally, a method for loading the apparatus with down-hole actuation devices and for launching said devices into a well bore is provided. |
