DUAL TUBING HANGER

摘要

Embodiments of the present invention provide a dual tubing hanger mounted in a wellhead having a cylindrical bore with an inner diameter. The dual tubing hanger may include: a cylindrical hanger body having an outer diameter less than the inner diameter of the cylindrical bore; a first mandrel located within the hanger body, the first mandrel capable of transporting a first fluid and having a first outlet at a first elevation extending through the cylindrical hanger body; a second mandrel located within the hanger body, the second mandrel capable of transporting a second fluid and having a second outlet extending through the cylindrical hanger body at substantially the first elevation; and sealing means between the hanger body and the cylindrical bore; wherein the sealing means is capable of isolating the first fluid from the second fluid.