Simulation Analysis of Combined Mechanics of the Thrust Rotary Guide Drill

Table 1

Specific parameters of rotary guide drill combination.

Parameter	Value (unit)
(A) PDC drill bit diameter/length	215.9 (mm)/0.25 (m)
(G) lower joint diameter/length	171 (mm)/0.2065 (m)
(F) diameter/length of the rotary guide tool	197 (mm)/1.63 (m)
(E) central pipe diameter/length	187 (mm)/1.24 (m)
(D) drilling collar diameter/length	171.45 (mm)/1.42 (m)
Stabilizer diameter	212 (mm)
(C) flexible short section diameter/length	135 (mm)/1.03 (m)
(B) No drill-free collar diameter/length	171.45 (mm)/7.776 (m)
Bit weight	120 (kN)
Density of drilling fluid	1.13 (kg·L^−1)