DEVICE FOR Xmas TREE INTERNAL WALLS AND OTHER PRESSURE TANKS EXAMINATION Russian patent published in 2017 - IPC E21B47/02 

FIELD: oil and gas industry.

SUBSTANCE: device includes the video camera connected to the cable, located in the internal channel, the gateway, configured to be installed with its flange section to the Xmas tree valve flange section, the threaded rods, mounted on the gateway body, the sliding nuts with the ability to move along the threaded rods by rotating the handwheels, the external rod, the internal rod with the cable placed therein, the support plate with the steel cup, configured to transfer the movement to the main rod, fixed on the support plate, the video camera rotation handwheel, configured to be mounted on the internal rod, the three-way valve for the excess pressure relief, the laptop computer, connected to the camera through the USB port. The video camera is attached to the bracket, fixed to the internal rod end. The sealing between the rods is provided by the rubber sealing rings and gaskets. The cable is sealed with the rubber sealing washer.

EFFECT: expansion of the possibilities and the information content of the Xmas tree internal walls and other pressure tanks visual examination for various types of failures.

7 dwg