As the professional manufacture of non-excavation drilling tools, we can produce and modify all specification of non-excavation drill pipes, non-excavation special non-magnetic short bent collar and....
Our company mainly produces drilling tools: square and hexagonal kellys, heavy weight drill pipes, spiral heavy weight drill pipes, non-magnetic integral heavy weight drill pipes, all kinds of....
Lifting Sub is the special tool in the drilling of petroleum, natural gas and geology exploration. Integral-structure lifting sub can be divided into two types: Type B with 90Â ° shoulder. Customers....
Drill pipe is the basic part of drill stem, used for deepening well bore, transmitting the torque and shaping the recirculation channel of drilling fluid. Itâ € ™ s composed by tube and connection, ....
Description: Itâ € ™ s made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and microelement is controlled efficiently throughout the whole process. ....
Spiral drill collar is one kind of our product series. Itâ € ™ s processed with three right-hand spiral grooves on the outer cylindrical surface of the circle drill collar, in order to reduce the....
Kelly is on the top of drill stem, transmitting torque and supporting drill stemâ € ™ s suspension weight. Itâ € ™ s the drive section of the whole drill stem. We can manufacture square Kelly and....
We mainly manufacture non-excavation drilling tools, and have cooperated with many famous domestic non-excavation enterprises. One of these products, non-excavation & non-magnetic pilot guide drill....
Itâ € ™ s made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties. It has favorable low-permeability, high-strength mechanical....
Made from AISI 4145H alloy steel and fully heat treated, all its physical properties conform to the latest API Spec7. Heavy drill pipe is the transition section between ordinary kelly and drill....
Drill-stem sub is the essential part during the drilling operation of petroleum, natural gas and geology exploration. It is one of the main parts of drill stem. It performs the function of connection....