DOWNHOLE EQUIPMENT EXTRACTION TOOL Russian patent published in 2025 - IPC E21B31/20 

FIELD: oil, gas and coke-chemical industry.

SUBSTANCE: invention relates to oil and gas industry and is intended for extraction of packer-anchor and other downhole equipment. Device comprises a rod with a groove made along the outer diameter, a body resting against an outer ledge made in the upper part of the rod, collet, which is installed on the rod and is limited in movement by the external protrusion of the rod and the internal protrusion of the housing. Housing is made with possibility of splined connection with downhole equipment to be extracted and has threaded connection with rod fixed by shear elements. In the lower part of the rod, a blind plug is installed by means of shear elements, which closes the through channel of the tool, above which circulation holes are made on the rod, on both sides of which sealing elements are installed. In the lower part of the stock there is a lead-in cone.

EFFECT: increased reliability of the tool due to provision of possibility of its emergency disconnection and accurate orientation, expanded functionality at maintaining circulation of liquid through the tool.

3 cl, 1 dwg