cbs casing buoyancy system

CBS Casing Buoyancy System Oilfield Use Casing Buoyancy

CBS,CASING BUOYANCY SYSTEM, OILFIELD USE The casing buoyancy system The SWS's casing buoyancy system is used for lessening the weight of the casing string as it is lowered into the wellbore. The float shoes's nose is designed to withstand high differencial pressure and has a bullet shape to guide the leading end of the casing to tottom The nose is sheared off once the floatation collar valve has been deactivated The floatation collar incorporates the control valve with air