Fatigue life optimization towards rubber core sealing surface of under-balanced drilling rotating blowout preventer
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DOI: 10.1016/j.engfailanal.2020.104965
Abstract: Abstract In the process of under-balanced drilling, the rubber core of rotating blowout preventer (RBOP) subject to the alternating cycle load was prone to fatigue failure. Firstly, the sealing principle of RBOP was analyzed and… read more here.
Keywords: optimization; balanced drilling; rubber; life ... See more keywords
Reservoir characterization in under-balanced drilling with nonlinear Moving Horizon Estimation with manual and automatic control conditions
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.107248
Abstract: Abstract This paper discusses the state estimation of the Under-Balanced Drilling (UBD) system in the presence of parametric uncertainties. During this process, the production indices of oil and gas from the reservoir into the well… read more here.
Keywords: estimation; control conditions; automatic control; balanced drilling ... See more keywords