Figure 16

Acceleration curve of the flexible drill pipe. (a) Effective values of acceleration at various well angles, (b) Time history curve at point Ary1, (c) Time history curve at point Ary2, (c) Time history curve at point Ary3.

Acceleration curve of the flexible drill pipe. (a) Effective values of acceleration at various well angles, (b) Time history curve at point Ary1, (c) Time history curve at point Ary2, (c) Time history curve at point Ary3.