PIN INDICATOR FOR SUSPENSION INSTALLATION Russian patent published in 2022 - IPC E21B33/04 

FIELD: mining.

SUBSTANCE: system for installing a suspension of wellhead equipment, an indicator node for installing the suspension of wellhead equipment and a method for installing the suspension of wellhead equipment are claimed. The system for installing the suspension of wellhead equipment contains an annular case of wellhead equipment, containing: a ledge and the first channel passing radially through the case of wellhead equipment from the outer surface of the case of wellhead equipment to the inner surface of the case of wellhead equipment; a round indicator ring located along the axis next to the suspension, wherein the suspension and the indicator ring are made with the possibility of attaching to a tool for lowering the suspension, the tool for lowering the suspension contains an annular recess; the indicator node, made with the possibility of passing through the first channel, the indicator node, when it is operated radially inward, is made with the possibility of passing into the annular recess of the tool for lowering the suspension to indicate that the suspension located inside the case of wellhead equipment has descended to the ledge.

EFFECT: increase in the accuracy during the descent work of the suspension of wellhead equipment.

17 cl, 7 dwg