Results 11 to 20 of about 9,794,287 (242)
Sand transport in multiphase pipelines [PDF]
, 2010 Over the life of an oil and gas reservoir, it is likely to encounter sand production. In offshore production fields, as there are lack of processing facilities nearby, gas, liquid and sand are often transported together in long distance pipelines.
Yan, Wei
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Numerical simulation of drifting sand [PDF]
, 2000 Two-phase flows are involved in many industrial and natural flow phenomena varying from as specific as the transport of crude oil in pipelines to as general as the dispersion of pollutants in the atmosphere.
Alhajraf, Salem
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Energies, 2023 There are many technologies to implement sand control in sand-prone wells, drilled in either weakly or nonconsolidated sandstones. Technologies that are used to prevent sanding can be divided into the following groups: screens (wire-wrapped screens ...
Dmitry Tananykhin +5 more
doaj +1 more source
Topical insecticide treatments to protect dogs from sand fly vectors of leishmaniasis. [PDF]
, 2001 We compared the susceptibility of sand fly vectors to four topical insecticide treatments applied to domestic dogs, a reservoir of human leishmaniasis. Dogs were exposed to sand flies pretreatment and at 1 week, 1 month, and 2 months posttreatment.
Teodoro, U +5 more
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Frontiers in Environmental Science, 2022 Dynamic of sandy alpine grasslands affect the progress and reversal of desertification in source regions of the Yangtse Rivers. To understand geomorphic driving mechanism of species distribution pattern, we examined the species compositions and ...
Peng Zhao +6 more
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Nonlinear dynamics of sand banks and sand waves [PDF]
, 2000 Sand banks and sand waves are two types of sand structures that are commonly observed on an off-shore sea bed. We describe the formation of these features using the equations of the fluid motion coupled with the mass conservation law for the sediment ...
Newell, Alan C., Komarova, Natalia L.
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Investigating the role of the Leishmania (Leishmania) major HASP and SHERP genes during metacyclogenesis in the sand fly vectors, Phlebotomus (Phlebotomus) papatasi and Ph. (Ph.) duboscqi [PDF]
, 2013 Leishmania parasites are the causative agents of a diverse spectrum of infectious diseases termed the leishmaniases. These digenetic parasites exist as intracellular, aflagellate amastigotes in a mammalian host and as extracellular flagellated ...
Doehl, Johannes
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State‐of‐the‐art brief review on sanding problem of offshore natural gas hydrates sediments
Energy Science & Engineering, 2022 As the natural gas hydrate (NGH) resources show a bright future, more and more commercial and technical focuses have been devoted to this area. The low productivity, the sanding problem, and the poor economic performance are vital problems hindering the ...
Jinze Song +9 more
doaj +1 more source
Regeneration of sand waves after dredging [PDF]
, 2002 Sand waves are large bed waves on the seabed, being a few metres high and lying hundreds of metres apart. In some cases, these sand waves occur in navigation channels.
Knaapen, M.A.F., Hulscher, S.J.M.H.
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Journal of Marine Science and Engineering, 2022 Sand production is one of the main problems restricting the safe, efficient and sustainable exploitation of marine natural gas hydrate. To explore the sand-control effects of gravel packing, experiments that simulate hydrate extraction in the water-rich ...
Yiqun Zhang +6 more
doaj +1 more source