1. Product Description
the tubing head is the cross connected by flange both at top and bottom. The tubing head is installed on the flange of the casing head, so as to hang the tubing string and seal the annular space between the tubing string and the production casing. The tubing head is made up of the tubing head cross and the tubing hanger.

2. Functions of Tubing Head

1) to hang the tubing string;

2) to seal the annular space;

3) to connect the casing head and the Christmas tree;

3. Design Standard:API 6A