DOI:10.11973/fsyfh-202302006模拟渤海水源井工况条件下典型金属/非金属材料的适用性评价邢希金1,张玉楠2,冯桓榰1,马滨霞2,何松1,朱金阳2,张雷3(1.中海油研究总院有限责任公司,北京100028;2.北京科技大学国家材料服役安全科学中心,北京100083;3.北京科技大学新材料技术研究院,北京100083)摘要:在模拟渤海某油田水源井典型工况条件下对N80钢、1Cr钢、3Cr钢、高密度聚乙烯(HDPE)和超高分子量聚乙烯(UHMWPE)开展了腐蚀试验,评价了各类金属/非金属材料在目标工况条件下的适用性。结果表明:在模拟含氧水源井工况条件下,N80钢和1Cr钢的腐蚀速率均较高,3Cr钢的腐蚀速率相对较低,但存在一定的点蚀倾向;随着浸泡腐蚀时间的延长,HDPE和UHMWPE的密度、硬度以及拉伸性能均存在一定程度的下降,相比之下,塑性和强度较为均衡的UHMWPE更适用于含氧的水源井工况。关键词:碳钢;低合金钢;HDPE;UHMWPE;水源井中图分类号:TG174文献标志码:A文章编号:1005-748X(2023)02-0033-07ApplicabilityEvaluationofTypicalMetalandNonmetalMaterialsunderSimulatedWorkingConditionsofWaterSourceWellinBohaiSeaXINGXijin1,ZHANGYunan2,FENGHuanzhi1,MABinxia2,HESong2,ZHUJinyang2,ZHANGLei3(1.CNOOCResearchInstituteLtd.,Beijing100028,China;2.NationalCenterforMaterialsServiceSafety,UniversityofScienceandTechnologyBeijing,Beijing100083,China;3.InstituteforAdvancedMaterialsandTechnology,UniversityofScienceandTechnologyBeijing,Beijing100083,China)Abstract:CorrosiontestswerecarriedoutonN80steel,1Crsteel,3Crsteel,high-densitypolyethylene(HDPE)andultra-highmolecularweightpolyethylene(UHMWPE)undersimulatedtypicalworkingconditionsofwatersourcewellsinanoilfieldinBohaiSea.Theapplicabilityofvariousmetalandnonmetalmaterialsundertheworkingconditionswasevaluated.TheresultsshowedthatthecorrosionratesofN80steeland1Crsteelwerehigherthanthatof3Crsteel,but3Crsteelhadacertaintendencyofpittingcorrosion.Thedensities,hardnessesandtensilepropertiesofHDPEandUHMWPEdecreasedtoacertainextentwiththeprolongationofimmersioncorrosiontime.UHMWPEwithbalancedplasticityandstrengthwasrelativelysuitablefortheconditionsofwatersourcewellcontainingoxygen.Keywords:carbonsteel;lowalloysteel;high-densitypolyethylene(HDPE);ultra-h...
