Double pipe wellhead equipment
Double pipe wellhead is an important device for heavy oil recovery, which is mainly composed of tubing head, casing head, Christmas tree and gate valve. The big cross and double pipe structure are the main components of the Christmas tree and the main pressure bearing parts of the whole plant.
Basic parameters
Working pressure: 2000psi ~ 20000psi
Temperature class: Lu
Material grade: AA, BB, CC, DD, EE, FF, HH
Specification level: PSL1 ~ psl4
Performance level: PR1 ~ PR2
Executive standard: API Spec 6A