[Retracted] Dynamic Simulation Analysis of Carbon-Steel Hybrid Sucker Rod String in Vertical and Directional Wells

Figure 8

Simulation results of carbon-steel hybrid rod string. (a) Transverse displacement varies with well depth and time. (b) The impact force varies with well depth and time. (c) Rod-tubing contact force varies with well depth and time.

(a)

(b)

(c)