00794nab a2200193 4500 20260520003859.0 260224s2007 xxu Rotating while packed off may cause unexpected heat-induced drill pipe tensile failures Metallographic examination of a drill pipe reveals that frictional forces produced while rotating drillstring induced sufficient heat to either locally temper the pipe or cause a phase transformation of the drill pipe material oct. 2007 21/04/2008 ; 21/04/2008 5 p. ; 57-64 10 World Oil 228 ARTICULO Gokhale, Samit 39348 Ellis, Sean 25155 Reynolds, Nicholas 25154 167882 167882 0 0 0 0 235701 BAAB BAAB 2026-03-05 200042634 0 200042634 2026-03-05 14:47:19 2026-03-05 ARTICULO