黄河三角洲湿地地下水石油污染的数值模拟

ISSN1008-9446CN13-1265/TEJournalofChengdePetroleumCollege16220144Vol．16No．2Apr．2014121．0670002．067000。、。TE991．2B1008-9446201402-0004-05NumericalSimulationofUndergroundWaterPollutionbyOilinYellowＲiverDeltaWetlandLIUShi-en1LIbo-hai21．DepartmentofPetroleumEngineeringChengdePetroleumCollegeChengde067000HebeiChina2．DepartmentofChemicalEngineeringChengdePetroleumCollegeChengde067000HebeiChinaAbstractTheYellowＲiverdeltawetlandistheworld'srareestuarywetlandecosystemanditisoneof“themostbeautifulwetlandsinChina”．AtthesametimethesecondlargestoilfieldinChina-ShengliOilfieldislocatedthere．Theproblemwemustfaceisthathowtoprotectecologicalre-sourcesduringthedevelopmentofoilandgasresources．Inthispaperusingpumpingtestparame-tersofthestudyareaasinitialvaluetheundergroundwaterflowmodelwasestablishedcombinedwiththediffusionexperimentalparametersthepollutantsolutetransportmodelwasestablishedforthestudyarea．ThedevelopmentoftheecologicalenvironmentmechanismintheYellowＲiverdeltawetlandduringexploringoilandgasresourceswasdiscussedusingdifferentanalysisofthemodeldata．KeywordsundergroundwatertheYellowＲiverdeltawetlandnumericalsimulationofunder-groundwaterflowsolutetransportmodel2013-10-181977－。、、“、”。—2700t。。。11．1。、、。。。1．2。UAHxyzf。xKH()x+yKH()y+zKH()z=SSHtxyz∈Ut＞0Hxyz0=fxyzxyz∈UHxyzt|A=Hoxyztxyz∈UtH=ZμHt=－K+W·Hz+Wlimr→rwr∫2π0KhHrd][θ=QiH—/mK—/m·d－1t—/dxyz—/mSs—/L－1Ho—/mfxyz—/mu—A—Z—/mrw—/mW—/L·d－1U—Qi—i/m3·d－1rθ—/L·d－11．31．3．1。。10m56、4、3、45。1．3．2·5·2014162。、4。20091120091231。。1．3．35。。1．3．4。1．3．5。、。、6。、。2、、、、、、、。、。2．1、、7。Tc+1－nn()F=xiDijcx()j－Vicxi+c0qwncxyzt|t=0=0xyz∈Ωt=0cxyzt|Γ=0=0xyz∈Ωt＞0c—M/L3n—TF—M/L3Vi—L/Txi—Ln—Dij—T/L2c0—M/L3qw—L/TΩ—xyz—Γ—2．2。、。2．2．1。·6·。CFCs、。2．2．2。。2．2．31。V=v/n=－KnHL。V—LT－1v—LT－1K—LT－1n—H/L—2、。2．3VisualModflow。2．3．1。20091～12、、、、、。。19～21m3。—、、、—、、、、、、、。2．3．24～82～3。20091～20091231150mg/L。31、·7·2014162VisualMODFLOW。2。3。4、。1．J．2008567－69．2．J．2008971－72．3．M．1981．4．M．1994．5．J．2008737－41．6．———D．2010．7．M．1981．341。28．95%6．39%。3。2000h367．5h1．59m/h8．89m/h5．59。4。5。1．J．200334433－34．2．J．20029566－69．3．J．20081819－12．4．J．200522669－74．5．J．199616139－43．6．J．200724374－77．7．J．200129345－46．8．J．200421323－26．9．J．200836441－44．·8·