Floatingcollar and
Floatingshoes: Theinner core has
gooddrillability; Antibackpressure levels of *5MPa, *0MPa,
*0MPa; Equippedwith rubber stopper anti rotation
structure.
Type:
Metal or
Cementfloatingcollar andfloating shoes,
plug-in; Specification:
*0
"~**1/2"; Buckletype:API buckle,
airtight seal buckle; Material:
Normal,
H2S
resistant, CO2resistant;