LEVER ASSEMBLY Russian patent published in 2016 - IPC E21B23/14 E21B4/18 

FIELD: tools.

SUBSTANCE: invention is related to the downhole tool, elongated in longitudinal direction, with a tool case, a lever assembly configured to move between retracted position and extended position relative to the tool case. Latter contains the lever element connected by one end with tool body, a unit for activation of the lever, arranged in tool body for movement of the lever assembly between the retracted position and extended position, a pump ensuring circulation of fluid. Lever assembly contains a hydraulic mechanism located in connection with the lever element, and a supply channel implemented in the clamping element. Supply channel is connected with the possibility to transfer fluid medium with hydraulic mechanism for feeding hydraulic fluid from the pump to the hydraulic mechanism. Invention is also related to a tool of a shell containing multiple downhole tools. Besides, at least one of downhole tools is a downhole tool according to the invention.

EFFECT: technical result is in improvement of efficiency of delivering the downhole tool.

15 cl, 13 dwg