Development of universal application for drillstring dynamics simulation

VS Tikhonov, AI Safronov, KR Valiullin… - SPE Russian …, 2014 - onepetro.org
One of the most topical problems of drilling mechanics is development of a software program
for 3D string dynamic simulation in a 3D well on various operation regimes with maximum …

A new model of high-frequency torsional oscillations (HFTO) of drillstring in 3-D wells

VS Tikhonov, OS Bukashkina - International Petroleum Technology …, 2014 - onepetro.org
Drillstring with polycrystalline diamond cutter (PDC) bit can cause severe torsional
oscillations accompanying by periodic slowing down of the bit rotation up to its sticking and …