Polyacrylamide PAM Used as Flocculating agent
Non-magnetic Drill Collar
Vacuum Insulated Tubing is used for injecting high-temperature and high-pressure vapor to oil producing formation.
outside diameter of external pipe （mm) 114.3
Bore diameter of internal pipe（mm) 62
Outside diameter of collar（mm) 127
Connection tread 4-1/2BCSG
The shank adapter is the component that enables percussive impact and rotation to be transmitted from the rock drill to the drill string.
Integral Pup Joint
Impression block Used to determine the shape of fish top.
Reverse circulation junk basket used to retrieve small-size fishes