Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《New Chemical Materials》 2018-08
Add to Favorite Get Latest Update

Application and development of polyhydroxy scale inhibitor PTMAS

Cheng Zhongfu;Yang Zuguo;Cao Chang;Luo Xiao;Northwest Oilfield Company Engineering Technology Research Institute,SINOPEC;School of Oil and Nature Gas Engineering,Southwest Petroleum University;  
In order to solve the problem of scale in the process of water flooding development in Tahe oilfield due to incompatibility of formation water.A polyhydroxy polymer scale inhibitor trihydroxyethyl allyl ammonium bromide/maleic anhydride/2-acrylamido-2-methylpropanesulfonic acid(PTMAS)was prepared vis aqueous solution by using trihydroxyethyl allyl ammonium bromide(THAAB),maleic anhydride(MA) and 2-acrylamido-2-methylpropanesulfonic acid(AMPS)as reaction monomers.The product was characterized by FT-IR and gel chromatography.The results showed that the molecular structure was in accordance with the expected design and the molecular weight was moderate.The molecular weight was between 2×104~5×104,and was suitable as a polymer scale inhibitor.Thermogravimetric analysis showed that the temperature resistance was strong,and the mass retention rate was as high as 80% before 250℃,and there was no heavy weight loss occurred.In the calcium carbonate scale inhibition experiment,PTMAS dosage was not less than 25 mg/L,temperature was 20~80℃,pH value does not exceed10,effective scale inhibition time was not less than 18 h,and the scale inhibition rate can be up to 92%,indicating the extremely broad application of PTMAS.The results of laboratory experiments showed that there was a good scale inhibition effect on the precipitation of calcium sulfate,barium sulfate and strontium sulfate scale.
【Fund】: “十三五”国家科技重大专项(2016ZX05053)
【CateGory Index】: TE39
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved