دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a joint to connect blowout preventers of different sizes or pressure ratings to the casing head.

n: A joint used to connect BOPs with different sizes or working pressures and casing head.

n: A cementing tool used to clean the drilling fluid in the wellface and prevent drilling fluid invading cement slurry. Installed in the cement casing head and threw into the wellbore before cementing.

n: A old kind of method of cementing. Packing cement into the formation by closing the casing head and annular and appling pressure to borehole. This method does not need packer, but it cannt gurrantee that cement slurry can be packed into the bed of intere

n: A special component made up on top of the casing string to suspend the casing when it is landed in the previous casing housing.

a support that is screwed onto the casing and fits into the casing head.

n: A heavy flanged connection that is installed on top of a casing string. Once it is installed, it provides a housing for the next casing string, which is suspended from it. Also called a spool.

a term that applies to the wellhead flange that forms the transition between pipe and the flange-build tree. It may be attached by threads, welding, pressure forming or lock-ring/screw devices.

n: A component of inner or outer circular conical surface and parabola in casing head. Used for sustaining slip hanging casing.