Off-center rotation wellhead equipment is specially designed for annular logging. Its main function is moving the tubing string to one side of internal wall of casing string, so that the other side of annual space between tubing string and casing string can be enlarged. By the enlarged channel, downhole tools can be put into well easily to ensure success of annular logging operation. The product has advantages such as simple structure, reliable seal, flexible rotation and convenient operation.

Technical Specifications