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

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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