FIELD: oil and gas industry.
SUBSTANCE: protectoliser for protection of power extension cable in a well contains two-piece body, a detachable locking connection with fastening elements. At that, the body consists of hinged articulated body and a braket, in addition, the body and the braket of the protectoliser are connected together by hinged bolt and adjusting screw, screwed into the body and connected to the braket by means of an axle. The adjusting screw can be adjusted axially by screwing in the body or unsrewing out of it in case diameter of the pump neck is changed. The detachable tool joint is made as a hinged bolt and a hold-down nut with spring lock to prevent uncontrolled turning off. In the upper part of the body there is an open longitudinal groove on one side, into which the electric cable is layed fixed in the groove by the clamping bar and two screws. The transverse grooves in the upper part of the body are made along its surface, in which mobile stops are fixed with screws to prevent the protectoliser against angular rotation on the tubing string surface.
EFFECT: increase reliability of the protectoliser at the UCN and SEM flanges and increase versatility of the device.
2 cl, 8 dwg
