The tie-back assembly is a special cementing tool for tieback operation. Tieback equipment allows existing liners with a receptacle to be extended to the surface or farther up hole, and provides a high-pressure seal at the top of a cemented or uncemented liner. TIW offers ...
The casing spool assembly comprises shell and pack off bushing and is used to seal the annular clearance between polished nipple and liner hanger body so as to build pressure after the ball reaches the landing collar, preventing current from passing through upward. There are ...
polished bore receptacle liner hanger Mated with tie-back assembly, it can tieback the liner to the top of well and act as efficiency sealing. The polished bore receptacle (PRB) is a highly machined component with a polished bore. Frequently, a liner system mainly consists of ...