MOBILE WELL SERVICING UNIT Russian patent published in 2020 - IPC E21B19/22 

FIELD: oil, gas and coke-chemical industries.

SUBSTANCE: invention relates to oil and gas industry, namely, to operation and underground repair of oil and gas wells by means of continuous steel pipes and/or drilling rods or pipes. Mobile plant for repair of wells includes a transport base with a platform equipped with retractable outriggers, on which the operator's cabin, a flexible tube winding drum are located, injector, guide arc, pump drive reduction gear, well head sealer, blowout prevention equipment, U-shaped mast hingedly connected in aft part with platform. Drum for pipe winding and operator cabin in transport position are located between poles of U-shaped mast. Injector is installed on platform located in lower part of U-shaped mast and hingedly fixed by one ends and connected to stern part of platform, and in upper part of mast there is lifting mechanism with hook suspension. Guide arc is rigidly connected to the injector and is made in the form of two sections hinged to each other and equipped with a hydraulic drive. Platform stern is equipped with vertical supports with stop arranged ahead of them. Extensible hydraulic outriggers are located at corners of platform and are made with possibility of independent operation from each other. Lifting mechanism with hook suspension is rigidly fixed on upper part of U-shaped mast, which is hingedly connected in aft part with platform through vertical supports, hingedly connected to stern part of platform, in front part of which there is a limiter, made with possibility of resting on platform stop with fixation in transport position. U-shaped mast is equipped with rope pulls fixing it relative to platform in working position - location of hook suspension above well mouth.

EFFECT: technical result is broader functional capabilities and high reliability of the apparatus.

4 cl, 3 dwg