China spiral drill collar manufacturer & supplier

WEIGAO drill pipe for hot sale

2 3/8-6 5/8

Drill pipe is the basic part of drill stem, used for deepening well bore,.

2013-12-31

Φ121 drill collar for hot sale

Φ121

Description: It's made from rolled or forged AISI4145H chrome-molybdenum steel.

2013-12-31

non-excavation&Non-magnetic pilot guide drill bit body

121, 165

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

2013-12-31

non-excavation drilling tool for sale

all

It is a professional manufacture of non-excavation drilling tools.

2013-12-31

lifting sub for sale

2 7/8-5

Lifting Sub is the special tool in the drilling of petroleum, natural gas and geology exploration.

2013-12-28

drill-stem sub for sale

all

Drill-stem sub is the essential part during the drilling operation of petroleum, natural gas and geology exploration.

2013-12-31

drill pipe for sale

2 3/8-6 5/8

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

2013-12-31

integral heavy weight drill pipe

2 7/8-6 5/8

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 transiti

2013-12-31

square kelly and hexagonal kelly

7 3/4

Kelly is on the top of drill stem, transmitting torque and supporting drill stem's suspension weight. It's the drive section of the whole drill stem.

2013-12-31

non-magnetic drill collar for sale

3 1/8-11

It's made from N1310 low carbon alloy-steel, refined and forged by strict chemical analysis to reach its mechanical properties.

2013-12-31

spiral driil collar for sale

3 7/8-11

It's processed with three right-hand spiral grooves on the outer cylindrical surface of the circle drill collar, in order to reduce the contacting are

2013-12-31

Shanxi Weigao Driling Tools

89-203

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

2013-12-31