Non-smooth dynamics modeling of drill-string systems in interbedded formations

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Abstract

The loads acting on Polycrystalline-Diamond-Compact (PDC) bits in rotary drilling systems (see Figure 1-left) change abruptly when drilling into interbedded rock formations consisting of hard and soft layers. Such fast load changes due to formation heterogeneity can significantly affect the dynamic response of the system and therewith the vibrational signature at the bit, which in turn may influence the durability of the bit and drilling efficiency. Therefore in this abstract we develop a dynamic model for drill-string systems for such drilling scenarios.
Original languageEnglish
Pages25
Number of pages1
Publication statusPublished - 16 Jun 2021
Event40th Benelux Meeting on Systems and Control 2021 - Rotterdam, Netherlands
Duration: 29 Jun 202129 Jun 2021
Conference number: 40
https://www.beneluxmeeting.nl/2021/

Workshop

Workshop40th Benelux Meeting on Systems and Control 2021
Country/TerritoryNetherlands
CityRotterdam
Period29/06/2129/06/21
Internet address

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