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ID:46531583
大小:1.16 MB
页数:6页
时间:2019-11-24
《渤南洼陷沙四上亚段膏盐层成因探讨》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、2015年6月,第21卷,第2期,300—305页高校地质学报June2015,Vo1.21,No.2,PP.300-305GeologicalJournalofChinaUniversitiesDOI:10.161080.issn1006-7493.2014151渤南洼陷沙四上亚段膏盐层成因探讨孟昱璋,刘鹏,王玲一,孙廷彬'1.成都理工大学“油气藏地质及开发工程”国家重点实验室,成都610059;2.中石化胜利油田分公司地质科学研究院,东营257015;3.中石化中原油田博士后工作站,濮阳457000;4.中石化中原油田分公司勘探开发
2、研究院,濮阳457000摘要:为明确渤南洼陷沙四上亚段膏盐层成因,综合利用录井、分析化验等资料对膏盐层发育特征、成因类型等进行了分析。结果表明:渤南洼陷沙四上亚段膏盐层主要以石膏质泥岩和含膏泥岩为主,其次为石膏岩和泥膏岩,石膏岩在纵向上主要分布在2800—3600m深度段,在横向上呈两条粗带状东西向展布;膏盐层沉积期气候湿润,水深较大,膏盐层为深水成因,火成岩与膏盐层分布具有良好的耦合关系,推测火成岩喷发和侵人为膏盐层形成提供了来源物质。关键词:盐层;成因类型;火成岩;沙四上亚段;渤南洼陷中图分类号:P618.130.2文献标识码:A文
3、章编号:1006—7493(2015)02—0300—06TheGenesisofGypsumZoneintheUpperPartoftheFourthMemberofShahejieFormationinBonanSagMENGYuzhang’,LIUPeng,WANGLing。,SUNTingbin。'1.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,Chengdu610059,China;2.Ge
4、ologicalScienceResearchInstitute,SinopecShengliOilfieldCompany,Dongying257015,China;3.PostdoctoralWorkStationofZhongyuanOilCompany,SINOPEC,Puyang45700,China;4.ResearchInstituteofPetroleumExplorationandDevelopment,ZhongyuanOilfieldCompany,SINOPEC,Puyang457000,China;Abstra
5、ct:InordertounderstandthegenesisofgypsumzoneintheupperUpperpartofthefourthmemberofShahejieFormationinBonansag,comprehensiveanalysesofdrillingdata,testingdata,thedevelopmentalfeatures,andgenetictypesofgypsiumzonewereperformed.Theresultsshowthatthegypsumzoneismainlycompose
6、dofgypsummudstonesandgypsumrocks,andthegypsumrocksmainlyoccurinthedepthrangebetween2800mand3600m,andastwoEW—trendingwidebelts.Theclimatewashumidandlakewasdeepduringthedepositionalperiodofgypsumzone.Thedistributionofigneousrocksandthegypsumzoneappearstobecoupledandwespecu
7、latethatsaltssubstancescamefromdeepthermalbrine.Thegypsiumzonebelongstothetypethatsaltwasdepositedinadeepwaterenvironment.Theresultsmayhelpunderstandgenesisofgypsiumzonesinotherregions.Keywords:gypsumzone;genetictypes;igneousrocks;upperEs4;BonansagCorrespondingauthor:LIU
8、Peng,Ph.D.E—mail:1018pengliu@163.com收稿日期:2014—09—03;修回日期:2014—11-04基金项目:国家科技重大专项“渤海湾盆地精细勘探关键技术”(2011ZX0
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