API Pup Joint 5CRA Group 2 25-7-4 PSL2 tubing pup joint
API Casing pup joint useage:
The upper part of the casing pup joint connection is threaded with the lower flange of the cross, and the lower part is connected with the casing. The casing pup joint connection can be adjusted according to the height of the well pad and the operation construction to meet the requirements of improvement or reduction.
steel plate supporting effect of surface casing and production casing
This structure connects the production casing and the surface casing to prevent the Christmas tree from vibration.