Research Article
Experimental Investigation and Analysis of Dynamic Buckling of Drill String in Horizontal Well
Figure 12
Axis trajectory of the dynamic buckling at different speeds (dynamic).
(a) 50 r/min |
(b) 100 r/min |
(c) 150 r/min |
(d) 200 r/min |
(e) 250 r/min |
(f) 300 r/min |