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ID:58072221
大小:1.90 MB
页数:9页
时间:2020-04-22
《基于岩石导电效率理论建立碳酸盐岩储层饱和度的计算方法-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、APPLIEDGEOPHYSICS,Vo1.11,No.2(June2014),P_215—222,10FiguresDoI:1O.1007/s11770.014.0435.3Calculationofsaturationincarbonatereseb。ased。oneliiectIin。caIie竹,,i0ci0ency●LiXiong-Yan’,QinRui-Bao’,LiuChun-Cheng’,andMaoZhi-QiangAbstract:Wederivedanequationforsaturationincarbonat
2、ereservoirsbasedontheelectricaleficiencymodelinthecaseoflackingcoredata.Owingtothecomplexporestructureandstrongheterogeneityincarbonatereservoirs,therelationbetweenelectricaleficiencyandwaterporosityiseithercomplexorlinear~Weproposedanelectricaleficiencyequationthatacco
3、untsfortherelationbetweenelectrica1eficiencyandwaterporosity.Wealsoproposedapower-lawrelationbetweenelectricaleficiencyanddeep.formationresistivityandanalyzedthefactorscontrollingtheerrorinthewatersaturationcomputations.W_econcludedthatthecalculationaccuracyoftheelectri
4、caleficiencyiscriticaltotheapplicationofthesaturationequation.ThesaturationequationwasappliedtothecarbIonatereservoirsofthreewellsinIraqandIndonesia.Forrelativerockelectricaleficiencyerrorbelow0.1thewatersaturationabsoluteerorisalsobelow0.1.Therefore.weinferthatthepropo
5、sedsaturationequationgenerallysatisfiestheevaluationcriteriaforcarbonatereservoirs.Keywords:Rockelectricale币ciency,carbonate.saturationfunctionalrelationship,eroranalysisWhencoreanalysiscannotgivetheArchieparameterslntroductionVr●rMahmoodeta1.,2008;Budebeseta1.,2011;Ali
6、eta1.,201l:Rodolfoeta1.,2012:),itisdifficulttocalculateTheArchieformu●r■Ol■a●l.whichisbasedonresistivitythesaturationofcomplexreservoirsusingtheArchie1oggingdata.isanimportantandwidespreadmethodforequation.SHerrickandKennedy(1993)proposedtheconceptcalculatingreservoirsa
7、turation(Archie,1942;Pouponeta1..1954;Simandoux1963:WaxmanandSmits,1968;ofelectricalefficiencyanddiscussedtherelationbetweenelectricalresistivityandporosity.BasedonClaviereta1.,1984;Zeng,1991;Zhueta1.,2003;Brucetheelectricalefficiencymode1.atheoreticallyvalideta1..2003)
8、.Withthedevelopmentofdeepoilandnatura1gasexplorationandproduction.thesaturationreservoirsaturationequationwasd
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