PANEL FOR MAINTENANCE Russian patent published in 2017 - IPC E21B23/14 

FIELD: mining.

SUBSTANCE: invention relates to a downhole tool comprising a tool housing adapted for placement of a downhole tool component, wherein the tool body comprises a first portion of the tool body having a first end surface and second end surface, and activating module connected detachably to the first portion of the tool body. Wherein the activating unit comprises: a second portion of the tool body and a closing element connected removably to the second portion of the tool body. Wherein the second portion of the tool body and the closure element form a sealed chamber together, in which the fluid is held. Herewith, the sealing chamber comprises a mechanical and/or hydraulic components. Wherein the activating module can be separated from the first portion of the tool body, while the closing element is connected with the second part of the tool body. Furthermore, the present invention relates to a downhole system and a method for performing maintenance of the downhole tool.

EFFECT: increased efficiency of the downhole tool.

14 cl, 7 dwg