DEVICE FOR GUIDANCE AND DELIVERY OF FLEXIBLE PIPE IN SIDE WELLBORE Russian patent published in 2017 - IPC E21B7/08 E21B19/22 E21B19/24 

FIELD: oil and gas industry.

SUBSTANCE: device includes a rotary body provided with a guiding element for the passage of the flexible pipe in the side wellbore, a driving mechanism for the body turn at a discrete angle, a driving mechanism for fixing the rotary body in the desired position and comprises control devices for its movement in the wellbore and setting in the correct position, an electronic functional block diagram with a uninterrupted power supply and components for wireless two-way electromagnetic communication on the subsurface rock with a ground control unit. The device is suspended on a flexible pipe via a stop collar fixed on the rotary body and ensuring the passage of the flexible tube in the side wellbore, moreover the flexible pipe is equipped with a limited coupling adapted to abut the stop collar. The driving mechanism for fixing the rotary body in the desired position is designed in depth as an electromechanical anchor with advancing locking rams. The control devices for the device movement in the well and setting in the necessary position include a flaw detector electromagnetic sensor mounted on the rotary body, and a gyroscopic inclinometer. The wireless two-way electromagnetic communication with the ground control unit includes a transceiver and a dipole transmitter of electromagnetic waves controlled by an electronic functional block diagram.

EFFECT: simplified process of guidance and delivery of flexible pipe in the side wellbore and reduced labour costs.

3 dwg