Leader configurations

Combined applications LB 20.1

Standard LeaderKelly
CFA
FDD
CCFA
DTH
WSM
                                            
Special upper part of the LeaderKelly
CFA
FDD
CCFA
DTH
WSM
    
Low HeadKelly    
Ultra Low HeadKelly    
Single PassCFA
FDD
DTH
WSM
    
* Distane from drilling axis to front edge of leader    
Kelly
CFA
FDD
CCFA
DTH
WSM
Kelly drilling
Continuous flight auger drilling
Full displacement drilling
Double rotary drilling
Down-the-hole drilling
Wet Soil Mixing