• Solid installation so that save the installation time • No need to replace BOP during the drilling
• There is me cycle groove in mandrel casing hanger • Mating emergency slip so that casing is locked when put down
• It is supply for all kind of casing , tubing procedure
• It can choice all kind of seal
•working pressure：2000PSI～20000PSI
• working medium : oil , nature gas , mud , consist of H2S CO2gas
•working temp.：
•material class ：AA、BB、CC、DD、EE、FF、HH
•products specification level ：PSL1～4
•performance requirement level ：PR1～2
Msn service