WELLHEAD GLAND REPLACEMENT DEVICE Russian patent published in 2025 - IPC E21B33/03 

FIELD: obtaining oil and gas from wells.

SUBSTANCE: invention relates to oil and gas industry, in particular to a device for servicing a wellhead gland of an oil and gas producing well. Device for replacing a wellhead gland of an oil and gas production well includes a hollow housing and rods connected to it with a working end, in which tooth-shaped notches are directed along the outer diameter of the gland ring, having the form of a fishing hook tip, and stops made with possibility of interaction with corresponding wellhead packing rings during installation. Rods above working end are equipped with bulge with external thread. Stops are made in the form of hollow caps, which are put on working ends during installation of gland rings and transportation with internal thread for external thread of the corresponding rod. Hollow body is made in the form of two hingedly connected halves, made with possibility of covering from outside the body of the wellhead gland and fixation on it. Each half of the hollow housing is equipped from above with paired protrusions with an axis installed between them for the corresponding lever with a hinged joint inside. Rods are connected to the hollow body through a hinged joint of the lever.

EFFECT: provision of reliability due to use of only external thicker rods-pullers, simplification of removal and installation of glands due to use of levers, excluding human factor.

1 cl, 4 dwg