Horizontal Directional Drilling Design Calculation

Ds mm
 
ts mm
 
CA mm
 

SMYS MPa
 
ρs kg/m3
 
Es MPa
 
ν --
 
tcoat1 mm
 
ρcoat1 kg/m3
 
tcoat2 mm
 
ρcoat2 kg/m3
 
Pd MPa
 
Ph MPa
 
Td oC
 
Tamb oC
 
μsoil -
 
μroller -
 
Lroller m
 
Ro m
 
μmud N/m2
 
ρbent kg/m3
 
FL % SMYS
 
FH % SMYS
 
FO % SMYS
 
FEBR times
 
HDD Crossing

Fig. Typical Horizontal Directional Drilling Crossing


Lh m
Depth m
θin deg
θout deg
Rin m
Rout m
hin m
hout m
Hsoil m
 
Hwater m
 
ρsoil kg/m3
 
ρwater kg/m3
 
D mm
t mm
ρ kg/m3


ρfluid kg/m3