Migrant Labour in the Russian Economy: a Burden or a Blessing? [PDF]
, 2016 The article discusses the potential threats and benefits of external labour migration for the Russian economy through establishing cause-effect relations between the migration processes and the current economic situation. The analysis of statistical data
Koretskaya-Garmash, V. A.
core +2 more sources
Broken lines of Il/Legality and the reproduction of state sovereignty: the impact of visa policies on immigrants to Turkey from Bulgaria [PDF]
, 2009 After the granting of citizenship to the 300,000 Turkish migrants from Bulgaria in 1989, the Turkish state has proceeded to enact a series of visa regime changes concerning more recent migrants from Bulgaria, who, according to the most recent ...
Kasli, Zeynep Ulker +3 more
core +1 more source
Contrasting the conceptualisation of victims of trafficking for sexual exploitation: a case study of Brazilians in Spain and Portugal [PDF]
, 2014 Despite the significant emphasis given to the trafficking of Brazilians to the sex industry of the Iberian Peninsula, the concepts of “victim of trafficking for sexual exploitation” used in these three countries vary.
Lima De Perez, Julie
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Permeability Decline by Clay Fines Migration around a Low‐Salinity Fluid Injection Well
Ground Water, 2021 Migration of clay fines can be a concern when less saline fluids are injected into brine‐saturated sandstone formations containing clays. If the salinity near fluid injection wells decreases below a critical value, the clay fines near the injection may ...
A. Cihan +5 more
semanticscholar +1 more source
Application of silica nanofluid to control initiation of fines migration
Petroleum Exploration and Development, 2017 : Core flooding experiment was carried out through SiO2 nanofluid, which was used to change the surface properties of the pore walls, improve the attractive force between fines and pores walls against the hydrodynamic repulsive force in order to increase
Reza HASANNEJAD +3 more
doaj +1 more source
Effect of hydrochemical properties on the migration of coal fines in propped fractures
Meitan xuebao, 2023 The problem of coal fines restricts the efficient development of coalbed methane in China. The coal sample of No. 3 coal seam in the Shanxi Formation in the Hancheng mining area was selected for carrying out a physical simulation experiment on the effect
Ziliang LIU +5 more
doaj +1 more source
Fines Migration: Problems and Treatments
Oil & Gas Research, 2017 Fines migration can cause severe damage to formation permeability and can plug the formation under certain circumstances. To effectively address this address, the mechanisms of fines migration and factors that causing fines migration were analyzed in this study.
Jie Xiao, Jianghong Wang, Xin Sun
openaire +1 more source
Fines migration and permeability decline during reservoir depletion coupled with clay swelling due to low-salinity water injection: An analytical study [PDF]
Journal of Petroleum Science and Engineering, 2020 Fines migration is crucial for reservoir permeability, involving both fine particle detachment and re-deposition along the flow channels. Fines migration behavior can either promote or obstruct fluid flow within the reservoir and is crucial for ...
S. Tangparitkul +4 more
semanticscholar +1 more source
Evidence, Mechanisms and Improved Understanding of Controlled Salinity Waterflooding Part 1 : Sandstones [PDF]
, 2016 Acknowledgements TOTAL are thanked for partial supporting Jackson through the TOTAL Chairs programme at Imperial College London, for supporting Vinogradov through the TOTAL Laboratory for Reservoir Physics at Imperial College London, and for granting ...
Chamerois, M +3 more
core +1 more source
Landfill aeration for emission control before and during landfill mining [PDF]
, 2015 The landfill of Modena, in northern Italy, is now crossed by the new high velocity railway line connecting Milan and Bologna. Waste was completely removed from a part of the landfill and a trench for the train line was built. With the aim of facilitating
Cossu, Raffaello +4 more
core +1 more source