新型破乳剂对高含蜡原油破乳脱水净水的应用研究
- 海之魂
-
0 次阅读
-
0 次下载
-
2020-02-29 08:26:02
文档简介:
第34眷3期2()1i6,j辽油化j:大学学报.}()URNAI()FIIA()NIN(SHIHUAUNIVERSITYVo1.34No.3Jun.2()j4文章编号:167261)52(2014)03—004卜O4新型破乳剂对高含蜡原油破乳脱水净水的应用研究万钢,解艳娇,王绍明,王吉(天津亿利科能源科技发展股份有限公司,天津300384)摘要:采用传统瓶试法测定了3种不同相对分子质量的含氯聚醚型破乳剂(PRO7501X,X—A、B或C)对南海某高含蜡原油破乳脱水净水的能力,考察了破乳剂种类、破乳剂相对分子质量、破乳剂质量浓度等因素对原油乳状液脱水率的影响。通过现场中试以及加药点改造,考察了该药剂在现场实际脱水净水的能力。结果表明,在现场停留10min时,破乳剂PRO7501X的脱水速度较快,其中,破乳剂PR075O1B因其相对分子质量适中,脱水率最大。在实验范围内,随着破乳剂PRO7501B质量浓度的增大,脱水率逐渐升高,当质量浓度升高到15mg/L时,脱水率趋于稳定。对现场中试以及加破乳剂点进行了改造,检测结果表明,破乳剂PRO7501B可以明显降低P~V1O3分离器油相出口的含水率,由原来的11.0~15.0降至0.2~1.0,处理后外输原油的含水率为2.5~3.0,可以满足平台的正常生产及外排要求,水相出口含油的质量浓度从3o~35mg/L降至3mg/L以下,基本解决海面存在油膜的问题。关键词:破乳剂;舍氮聚醚;含蜡原油;破乳脱水;净水中图分类号:TE869文献标志码:Adoi:1O.3696/j.issn.1672—6952.2014.03.011ApplicationofNovelDemulsifierstoHigh——Paraffinic—-ContentCrudeOilWanGang,XieYanjiao,WangShaoming,WangJi(ETechEnergyTechnologyDevelopmentCo.,Tianjin300384,China)Abstract:ThedemulsificationofhighparaffiniccontentcrudeoilfromtheSouthSeawereexploredby3kindsofdifferentmoleculeweightnitrogenouspolyetherdemulsifiers(PRO7501X,X=A,BorC)withatraditionalbottletest.Theinfluencesoftypes,concentrationandmoleculeweightofthedemulsifiersondemulsificationpropertieswerediscussedindetail.Throughon—sitepilotanddosingpointtransformation.theactualdehydratedwaterpurificationabilityofdemulsifierPRO7501Binthesceneactualwasinvestigated.ExperimentalresultsshowthatPRO7501Xperformedhigherinterfaceactivitythanthefieldusagedemulsifierundertheactionof10min.Intheexperimentalrange,thedemulsificationabilitywascloselyrelatedtOthemoleculeweightofdernulsifier.TheDehydrationratewasimprovedwiththeincreaseofdemulsifiersconcentration,andtendstobestableatthedemulsifiersconcentrationof15mg/L.Aftertheonsitepilot,PRO7501Bcandecreasethewaterpercentinoi】ofseparatorP—V一103fromtheinitia111.0~15tO0.2~1.0anddecreasetheoilcontentinwaterphasefrom30~35mg/LtObelow3mg/I,whichcanbasicallyresolvetheproblemoftheoilfilminthesea.Keywords:Demulsifiers;Nitrogen—containingpolyether;Paraffiniccontainingcrudeo.】;Demulsifieation;Waterpurification随着南海某油田开采逐渐
评论
发表评论