Influence of Wellbore Dogleg Severity on Drilling Friction in Horizontal Wells

Table 1

values of different diameter drilling pipes at different dogleg severity.

Drilling pipes	Outside diameter (mm)	Inside diameter (mm)	k ()	k ()	k ()
Drilling pipe	127	108	0.024	0.120	0.241
Heavy weight drilling pipe	127	76.5	0.019	0.095	0.190
Drilling collar	159	71.4	0.026	0.131	0.262