Application Range
It is suitable for drilling in where rock formation is overburden and need casing tube to support
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools, and long service life.
Different structures
Concentric system with ring bits, with wings and with blocks.
Operation Procedure
Main Parts
Specifications
Main markets
Chile, Brazil, South Africa, Nigerial, Italy, Russia, Canada, Austrialia, Korea, Mongolia, Turkey, and etc.
Main items
Symmetrix casing system 90-815.
Other specifications can be available according to your project requirements.
Welcome to test our symmetrix system!
Enclosed photoes
Pilot bit
Ring bit
Inner packing
Outer packing
On spot