With the support by the National Natural Science Foundation of China,the research team led by Prof.Wang Di(王迪)at the Immuno metabolism Lab,Institute of Immunology,Zhejiang University School of Medicine,uncovered the...With the support by the National Natural Science Foundation of China,the research team led by Prof.Wang Di(王迪)at the Immuno metabolism Lab,Institute of Immunology,Zhejiang University School of Medicine,uncovered the mystery of Bile Acids control inflammation and metabolic disorder,which was published in Immunity(2016,45:802—816)).展开更多
To solve the problem whereby an oil reservoir with applicable boundaries of the current sand-inhibiting and water-control agent is unclear,a supramolecular sand-inhibiting and water-control agent PDKM was prepared usi...To solve the problem whereby an oil reservoir with applicable boundaries of the current sand-inhibiting and water-control agent is unclear,a supramolecular sand-inhibiting and water-control agent PDKM was prepared using acrylamide(AM),methacryloxyethyltrimethyl ammonium chloride(DMC),styrene(SM),and γ-methacryloyloxypropyltrimethoxysilane(KH570)as comonomers.The molecular structure of PDKM was verified by ^(1)H-NMR and FT-IR.On the basis of establishing an evaluation method that can screen the performance of sand-inhibiting agent at a flow rate of 100 mL/min,the oil reservoir applicable boundaries of PDKM were obtained through the evaluation of sand-inhibiting and water-control performance.The experimental results show that when the concentration of PDKM is 5000 mg/L,the oil reservoir conditions are temperature≤90℃,formation water salinity≤21,249 mg/L,the degree of sand production corresponding to slight sand production and particle migration,crude oil viscosity≤50 mPa⋅s,primary water flooding water cut≥75%,and formation permeability contrast≤2.The performance with respect to sand inhibiting and water control can all reach an excellent level.There-fore,the PDKM solves the problem whereby the applicability of the current sand-inhibiting and water-control agent is unclear,and provides direction for the selection of suitable products in the oilfield production site.展开更多
文摘With the support by the National Natural Science Foundation of China,the research team led by Prof.Wang Di(王迪)at the Immuno metabolism Lab,Institute of Immunology,Zhejiang University School of Medicine,uncovered the mystery of Bile Acids control inflammation and metabolic disorder,which was published in Immunity(2016,45:802—816)).
基金supported by the National Natural Science Foundation of China(General Program)(Grant No.52474071)the Provincial Key R&D Program of Shandong(2022CXGC020303)the financial support from the China Scholarship Council(TM Lei,Grant No.202406450004).
文摘To solve the problem whereby an oil reservoir with applicable boundaries of the current sand-inhibiting and water-control agent is unclear,a supramolecular sand-inhibiting and water-control agent PDKM was prepared using acrylamide(AM),methacryloxyethyltrimethyl ammonium chloride(DMC),styrene(SM),and γ-methacryloyloxypropyltrimethoxysilane(KH570)as comonomers.The molecular structure of PDKM was verified by ^(1)H-NMR and FT-IR.On the basis of establishing an evaluation method that can screen the performance of sand-inhibiting agent at a flow rate of 100 mL/min,the oil reservoir applicable boundaries of PDKM were obtained through the evaluation of sand-inhibiting and water-control performance.The experimental results show that when the concentration of PDKM is 5000 mg/L,the oil reservoir conditions are temperature≤90℃,formation water salinity≤21,249 mg/L,the degree of sand production corresponding to slight sand production and particle migration,crude oil viscosity≤50 mPa⋅s,primary water flooding water cut≥75%,and formation permeability contrast≤2.The performance with respect to sand inhibiting and water control can all reach an excellent level.There-fore,the PDKM solves the problem whereby the applicability of the current sand-inhibiting and water-control agent is unclear,and provides direction for the selection of suitable products in the oilfield production site.
