Finally, microvisual and core-flood displacement tests were performed to evaluate the efficacy of emulsion flooding to recover the residual oil bypassed or trapped after water flooding.
Chemical flooding displacement experiment system produced by the American TEMECO was used in the experiments.
So in order to design a cost-effective polymeric surfactant slug that offers a favorable mobility ratio, a polymeric surfactant concentration of 0.4 wt% was chosen as the optimum concentration for the chemical flooding displacement of the crude oil used in this work.
The climate change we see now, which has caused droughts, floods, displacement, and loss of lives and livelihoods to those in the Global South, arises from CO2 that has spewed into the atmosphere over the past 160 years.
Zimbabwe also faces high levels of vulnerability to other shocks, such as diarrheal diseases, flooding, displacement and the unstable political and socioeconomic situation.
The magnitude and rate of current climate change, combined with additional environmental, social and political issues, are making many traditional coping strategies ineffective and/or unsustainable, amplifying environmental degradation and flood-displacement.
Some 2.4 million children remain very vulnerable to the effects of high food prices compounded by epidemics, floods, displacements and conflicts, and at least 100,000 children will be likely to suffer from severe acute malnutrition on a monthly basis.
After this flood and displacement, UNICEF in cooperation with the Ministry of Education & Science of Tajikistan and in partnership with OCHA and DFID supported the establishment of a temporary tent for the Child-Friendly Space in Rasht including the one in Amina's village.
Ultimately, though, this meant that public housing residents were not just underwater economically, but facing a greater environmental threat of flooding and displacement long before the Sandy storm surge.
In my work as the UN's co-ordinator for development and humanitarian action, I travel to some of the remotest parts of the country, visiting communities affected by floods and displacement.
At the micro-scale, polymer flooding improves displacement efficiency due to the elasticity of the polymer solution.
