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Keywords: drilling string system
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Proceedings Papers

Proc. ASME. OPTC2021, ASME 2021 Onshore Petroleum Technology Conference, V001T07A001, September 27–29, 2021
Paper No: OPTC2021-67533
...Abstract Abstract In view of the vibration failure of drilling string system in ultra-high temperature and high pressure (ultra-HPHT) curved wells, an axial-lateral-torsion coupling (ALTC) nonlinear vibration model of drilling string system was established using energy method and Hamiltonian...