主权项 |
1. A running tool for a casing hanger, the running tool comprising:
securement means to secure a casing hanger to the running tool, the securement means being movable between a secured position in which a casing hanger is secured to the running tool and an unsecured position in which a casing hanger is unsecured to the running tool; wherein, in the secured position, a casing hanger is suspendable from the running tool and the running tool supports a suspension weight of the casing hanger; activation means in order to enable the securement means to move from a secured position to an unsecured position, wherein the activation means is axially moveable between the secured position and the unsecured position; and release prevention means in order to prevent the movement of the securement means from the secured position to the unsecured position whilst the suspension weight of the casing hanger is suspended from the running tool. |