Drilling rig mast

Drilling rig mast
1.Conform to API Spec.
2.highly praised
3.best price
Features of mast:

Derrick consists of“A” type,“K” type and tower type etc.
“A” type
derrick's leg section has rectangle or triangle. It has good bearing capacity and stability. Each section is connected by bolt. The derrick is installed at low position. And make us of winch power to up and down.

“K” type
derrick's section is“K”section. Each section is connected by bolt. The derrick is installed at low position. And make us of winch power to up and down.
The power derrick is tower steel structure. It adopts bolt to connect. And has
good stability and big bearing capacity.