TOOL FOR INSTALLING COLUMN OF DIRECTIONAL PIPES INTO SHELF WELL Russian patent published in 2021 - IPC E21B23/02 E21B19/24 

FIELD: drilling.

SUBSTANCE: invention relates to a tool for installing a column of directional pipes in a shelf well. The tool contains a case, in which a core, lock rods, locks, pins are installed in such a way that lock rods with locks at ends are located along the circumference of the tool case, made with the possibility of radial extension from the tool case due to the interaction with a conical surface of a sliding nut during its movement along thread on the core, when rotating the core relatively to the tool case, and possibility of fixation of the tool in corresponding grooves on the inner surface of the pipe column. The core is fixed against the axial displacement by a support sleeve interacting with core grooves, placed in the support sleeve case that is fixed to the tool case, while the core is made in such a way that outer diameters of core necks are gradually decreased to one of part ends.

EFFECT: manufacturability of the core and the tool in general is increased.

1 cl, 3 dwg