Mitigating lost circulation: A numerical assessment of wellbore strengthening
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2017.07.052
Abstract: Abstract Drilling in complex geological settings often possesses significant risk for unplanned events that could potentially impede already cost-demanding operations. Lost circulation, a major challenge in well construction, refers to the loss of drilling fluid… read more here.
Keywords: wellbore strengthening; fracture; fracture sealing; lost circulation ... See more keywords
Simplified Lamé’s equations to determine contact pressure and hoop stress in thin-walled press-fits
Sign Up to like & getrecommendations! Published in 2019 at "Thin-Walled Structures"
DOI: 10.1016/j.tws.2019.02.008
Abstract: Abstract A simplification of Lame’s equation to determine radial and hoop stress due to interference on press-fits is introduced. The two novel simplified equations introduced in this paper provide a method to quickly and accurately… read more here.
Keywords: simplified equations; hoop stress; stress; press ... See more keywords
Simulation studies of mechanical stresses in REBaCuO superconducting ring bulks with infinite and finite height reinforced by metal ring during field-cooled magnetization
Sign Up to like & getrecommendations! Published in 2017 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/aa76a2
Abstract: We have performed the numerical simulation of mechanical stresses (hoop stress, σ θ and radial stress, σ r) in REBaCuO ring bulks with an infinite and finite height reinforced by metal (aluminum alloy or stainless… read more here.
Keywords: finite height; hoop stress; ring bulk; metal ring ... See more keywords