渤海湾盆地南堡富油气凹陷烃源岩的形成及其特征

:2006212225;:20072012091:(:04E7052).:(19652),,,,.E-mail:[e-mail].1,2,2,1,1,1,1,1(1.,100083;2.,063004):,:4,TOC5%,,,,,,,;3,,70%,,,15%:;;;;:TE12111:A:167221926(2007)01200782060,,,,[123],[425][629],,[10],[1],,,,[11215],,,,,,TOC(TOC),0.8%1.2%[16217],TOC1.5%[18]1.0%,,,,,;,,,,,,,18120072NATURALGASGEOSCIENCEVol.18No.1Feb.20071,,-;-;[19](1),,,,5m11932km2,1100km2[20],2,,,(1),;12345,2,,22.1--,,,,,,,,,,NE-SW,,,-,,[12][21225],,,,,1-,,,,,[26233],(97No.1:),,2.2,4[12,19,22](2)5,,,,,,,,,24,,,,,,,,,,-,,,[34],,,;,,,,,100m,,,(2),,,,,,,,,,,,,,;,,,,,,,,,,,,[35],3(2),80%,,,2,4400m,08Vol.183800m,,,,,,,,,[9],,,3.1,5,54321(2),4,;3,(1)55,130m,,83210,,TOC2%6%(1),50m,36603720m,(2)44,400900m,300400m,200300m,20m,TOC2%,2.5%5%(1),8%,RO1.4%,,[9,30],,,,,[36],,,,,;,;:,,TOC2%100m,TOC2%200m,(1),,,60t(3)34,,,4,200m,TOC1.5%4%,TOC2%50110m,(4)221,,-,180310m,,,50150m,TOC2%3050m(5)11,,120m,3,3.2,,18No.1:,;,200300m,TOC1.2%2.3%,1.6%,TOC2%50100m3.3,3,,;,,,,,,,,,,,,600m,TOC1.5%2.6%,TOC2%130220m(1),4,,[37240],,3400m,3400m[21]1,(RO)1%,,ÉÊ,,,,,,,,Ê,TOC,RO0.8%1.0%,,,,,Ê2,0.6%0.8%,,,,70%,455%,,,15%,,,,:[1].[J].,2001,8(1):124.[2],,,.[J].,2005,16(2):1272142.[3],,.[J].,2002,29(2):8212.[4],.38[J].,2002,23(5):34239.[5],,,.[J].,2003,23(4):952100.[6],,.[J].,2001,19(1):1252129.[7],,,.2I[J].,2001,11(3):2612268.[8],,,.[J].,2004,78(3):4162427.[9],.[J].,2003,21(3):5062512.[10],,.[J].,2003,27(2):1042109.[11],,,.[J].,2003,8(1):11215.[12],,,.[M].:,2001:12129.[13],.[J].,2001,6(3):63270.[14],,.[J].,2003,24(1):39249.[15],.[J].,2002,23(2):1742178.[16],.[J].,2005,26():58263.[17],,,.[J],,2005,26():25230.28Vol.18[18],,.[J].,2003,27(2):6210.[19],,,.[J].,2000,21(4):3452350.[20],,,.[J].,2000,21(4):3642374.[21],,,.[J].,1999,20(2):1642166.[22],,.[J].,2000,21(4):3042307.[23],,.[J].,2003,30(2):24226.[24],.[J].,1998,19(4):2962301.[25],,.[J].,2004,15(6):6192621.[26]ZhuGuangyou,ZhangShuichang,DaiJinxing,etal.Char2acterandgenetictypesofshallowgaspoolsinJiyangdepre2ssion[J].OrganicGeochemistry,2005,36(11):165021663.[27],,,.[J].,2004,10(2):2572266.[28],.:[J].,1985,9(1):1211.[29],,,.[J].,2004,24(1):25230.[30],,,.[J].,2004,25(2):18218.[31],,,.[J].,2006,17(1):1252132.[32]ZhuGuangyou,JinQiang,ZhangShuichang,etal.Distri2butioncharacteristicsofeffectivesourcerocksandtheircont2rolsonhydrocarbonaccumulation:AcasestudyfromtheDongyingsag,easternChina[J].ActaGeologicaSinica,2004,78(6):127521288.[33]JinQiang,PeterJM.GeneticfeaturesofpetroleumsystemsinriftbasinsofeaternChina[J].MarineandPetroleumGeology,1998,15(3):3432358.[34],,,.[J].,2005,25(11):17220.[35],,,.2[J].,2005,40(1):1332144.[36],,,.[J].,2005,7(1):59269.[37],.2[J].,1994,5(6):1214.[38],,.[J].,2006,17(4):5902592.[39].[J].,1994,8(2):1872193.[40],,,.[J].,2003,14(4):2502253.THEGENERATIONANDCHARACTERISTICSOFSOURCEROCKSINNANPUOIL-RICHDEPRESSION,BOHAIBAYBASINZHENGHong2ju1,DONGYue2xia2,WANGXu2dong2,ZHANGShui2chang1,ZHANGDa2jiang1,ZHUGuang2you1,XIONGYing1,YUHai2dong1(1.ResearchinstituteofPetroleumExplorationandDevelopment,PetroChina,Beijing100083,China;2.JidongOilCompany,PetroChina,Tangshan063044,China)Abstract:Inrecentyears,oil2gasexploitationhassignificantprogressandNanpudepressionisfoundasoneofthemostoil2richdepressionsinBohaibayBasin.Throughtheexhaustiveresearch,organic2richsourcerocksareidentifiedwithinShahejieFormation(Es),especiallytheTOC(totalorganiccarbon)getthepeakabundanceinEs34formationandvaluescommonlyexceed5%.DuringtheearlyEoceneperiodwhenmajorfaulteddepressionmovementoccurred,lacustrinebasinoccupiedthelargestareaandwaterdeptharrivedatthehighestlevelinhistory;wide2spreadgray,blackmudstone,calcareousmudstoneandoilshalesprevailedoverthestage,whichwerecharacteristicofmagnificentthickness.Thesecondimportanthydrocarbonsourcerocksarefine2graindarkmudstonewhichdevelopwithinEs33formation.Generally,hydrocarbonsourcerocksverifiedintheEs33memberareresponsibleforthemostofhydrocarbongenerationthatisestimatedupto70%.AlthoughEs1memberisnotcomparativewithDongying(Ed)formationinthickness,yetonaccountofthehigherevolutiondegree,thetwosourcerocksapproximatelyprovidenearly15%oilproductionseparately.Keywords:Organic2richsourcerocks;Shahejieformation;Sedimentaryevolution;Nanpuoil2richdepression;Bohaibaybasin.38No.1: