Drop-in check valves prevent return flow during a kick and allowing fluid to be pumped downward to circulate the well.
Mittleman or SALA brand product
Two-way Shock Absorber Connected with the drilling string close to the bit. It can absorb or reduce both transversal and longitudinal vibration of the drilling string in drilling operations. Permits use of optimum combination of drill pressure and drill speed, reduces the drilling cost and promotes the drilling efficiency.
Widely used in the following fields: geology, coal, metallurgy, non-ferrous metal, petroleum, hydrology and engineering.
Reamer Drilling String type and Near Bit type Used to centralizing and reaming. OD size from 3-3/4 to 24inch
Comply to API Spec.4F,8C.
Suit for -20~55℃, or -45~40℃
Rotary Hose,Jumper Hose for Drillling Rig High Pressure System
Comply to API Spec 7K
Fire Fight Water System, Fire Fight Foam System