API6A Casing head & Casing Spool

API6A Casing head & Casing Spool The Casing Head Series are used to fasten the wellhead of drilling intervals, to connect wellhead casing string, to support the gravity of intermediate casing and oil-string casing, to seal the annular space between the pipe layers, to provide filtering connections for the installation of BOP, tubing head and X-tree.In addition,it is also available to perform squeeze slurry,monitor and fill equilibrium liquid and other construction operations through two lateral holes on the casing head body. Specifications and parameters Working Pressure 2000Psi - 15000Psi(14 - 105 Mpa) Nominal Diameter  4.1/16" -20" (114.3mm ~ 508mm) Working Medium  petroleum, natural gas, slurry, containing H2S and CO2 Working Temperature  L·U (-46℃~ 121℃) Material Grade AA~FF Product Specification Level PSL1~4 Performance Requirement PR1~2 Or as per customer's requirements A casing head…