In order to obtain a multifunctional oilfield agent with both corrosion inhibition and oil displacement functions,a polymer with benzene ring structures is synthesized based on polyacrylamide(PAM)and used as inhibitor...In order to obtain a multifunctional oilfield agent with both corrosion inhibition and oil displacement functions,a polymer with benzene ring structures is synthesized based on polyacrylamide(PAM)and used as inhibitor for the first time.Methods including electrochemistry,weight loss and theoretical calculations are used to study the inhibition effect for P110 steel in 1.0 M HCl.The experimental results show that the modified polymer poly-(Z)-N-benzylidenepropionamide(PBAM)has excellent inhibition effects,and the maximum efficiency can reach 90.62%in impedance spectroscopy tests.The benzene ring structure added in the modified polymer providesπelectrons for the adsorption of inhibitor on metal surface,strengthens the adsorption,and thus brings a better corrosion inhibition effect.In addition to the corrosion inhibition performance,the viscosity-increasing effect of PBAM is evaluated.The results show that the addition of benzene ring not only enhances the corrosion inhibition effect,but also brings temperature resistance to the polymer.However,the salt tolerance of the polymer is affected,the synthesized PBAM which viscosity can above 500 m Pa s at 140℃ is suitable for high temperature and low salinity environment.The modified polyacrylamide has satisfactory corrosion inhibition and oil displacement performance,which provides a new idea for the development of oilfield chemistry.展开更多
The West China University of MedicalSciences (WCUMS),founded in 1910 and form-erly named West China Union University,wasdesignated as a branch of CAMS in a ceremonyheld on the 29th of November,1989.WCUMS.one of the ke...The West China University of MedicalSciences (WCUMS),founded in 1910 and form-erly named West China Union University,wasdesignated as a branch of CAMS in a ceremonyheld on the 29th of November,1989.WCUMS.one of the key medical universities directed bythe Ministry of Public Health (MPH),incor-porates eight schools,namely:Schools of BasicMedical Sciences,Medicine,Stomatology,PublicHealth,Pharmacy,Forensic Medicine,ForeignLanguages,and Social Sciences.The Universityoffers 12 special programs on medicine。展开更多
文摘In order to obtain a multifunctional oilfield agent with both corrosion inhibition and oil displacement functions,a polymer with benzene ring structures is synthesized based on polyacrylamide(PAM)and used as inhibitor for the first time.Methods including electrochemistry,weight loss and theoretical calculations are used to study the inhibition effect for P110 steel in 1.0 M HCl.The experimental results show that the modified polymer poly-(Z)-N-benzylidenepropionamide(PBAM)has excellent inhibition effects,and the maximum efficiency can reach 90.62%in impedance spectroscopy tests.The benzene ring structure added in the modified polymer providesπelectrons for the adsorption of inhibitor on metal surface,strengthens the adsorption,and thus brings a better corrosion inhibition effect.In addition to the corrosion inhibition performance,the viscosity-increasing effect of PBAM is evaluated.The results show that the addition of benzene ring not only enhances the corrosion inhibition effect,but also brings temperature resistance to the polymer.However,the salt tolerance of the polymer is affected,the synthesized PBAM which viscosity can above 500 m Pa s at 140℃ is suitable for high temperature and low salinity environment.The modified polyacrylamide has satisfactory corrosion inhibition and oil displacement performance,which provides a new idea for the development of oilfield chemistry.
文摘The West China University of MedicalSciences (WCUMS),founded in 1910 and form-erly named West China Union University,wasdesignated as a branch of CAMS in a ceremonyheld on the 29th of November,1989.WCUMS.one of the key medical universities directed bythe Ministry of Public Health (MPH),incor-porates eight schools,namely:Schools of BasicMedical Sciences,Medicine,Stomatology,PublicHealth,Pharmacy,Forensic Medicine,ForeignLanguages,and Social Sciences.The Universityoffers 12 special programs on medicine。
