Shanxi Weigao Petroleum Drilling Tools CO., LTD

As the professional manufacture of non-excavation drilling tools, we can produce and modify all specification of non-excavation drill pipes, non-excav

We mainly manufacture non-excavation drilling tools, and have cooperated with many famous domestic non-excavation enterprises. One of these products,

Description: Its made from rolled or forged AISI4145H chrome-molybdenum steel. The content of chemical composition and microelement is controlled effi

Spiral drill collar is one kind of our product series. Its processed with three right-hand spiral grooves on the outer cylindrical surface of the circ

Its made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties. It has favorable low-pe

Kelly is on the top of drill stem, transmitting torque and supporting drill stems suspension weight. Its the drive section of the whole drill stem. We

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 t

Drill pipe is the basic part of drill stem, used for deepening well bore, transmitting the torque and shaping the recirculation channel of drilling fl

Lifting Sub is the special tool in the drilling of petroleum, natural gas and geology exploration. Integral-structure lifting sub can be divided into

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 d