氟硅酸水玻璃调剖剂的研究

,2001,9(3):2426SCIENCE&TECHNOLOGYINCHEMICALINDUSTRY:2001201215:(19672),(),,,23:(980079)231,2,1,1(1.,434102;2.,256504):2,2:2,,,,,:;;;:TE358+.3:A:100820511(2001)0320024203,[13][4],,,[4],2,1,()pH,H+3,:SiNaOOOSiOOSiOONa+2H+SiHOOOSiOOSiOOH(3)()nSiHOOOSiOOSiOOHSiHOOOSiOOSiOOH+(n-1)H2On(),,,,,,,,,(1)H2SiF6+2NaClNa2SiF6+2HClH2SiF6+CaCl2CaSiF6+2HCl(2)H2SiF6+Na2OmSiO2+nH2ONa2SiF6+mSiO2(n+1)H2O(3)2(Na2OmSiO2)+Na2SiF66NaF+(2m+1)SiO2(4)Na2OmSiO2+2HCl+nH2O2NaCl+mSiO2(n+1)H2O(5),(),22.1:,3.13.4,41%,2.2(1),(2)2,D2.5cmL5.0cm,,2.0mL,608h():=[(ka-kb)/ka]100%:ka;kb(3)2,(D25100mm),(60)8h,33.1,6h(),113.22,2,112ka/m2kb/m2/%20.9870.019198.121.0630.085092.01,298.1%,292.0%,2,3.3222/MPa21.6120.532,223,2,,42,,,,,[][1]FieldingRCJr,GibbonsDH,LegrandFP.In2depthdriveflu2iddiversionusinganevolutionofcolloidaldispersiongelsandnewbulkgels:anoperationalcasehistoryofnorthrainbowranchunit[M].SPE/DOE27773,1994.[2],.[J].,1992,9(2):180187.[3],.[J].,1999,26(6):7880.[4].[M].:,1997.3738.523,.2STUDYONFLUORSILICICACID2WATERGLASSASPROFILECONTROLAGENTWUJia2zhong1,WANGTao2,LIKe2hua1,WANGRen2fang1(1.DepartmentofChemicalEngineering.JianghanPetroleumInstitute,Jingzhou434102,China;2.ChunliangOilProdusctionPlantShengliRetroleumAdministrationBurcau,Boxing256504,China)Abstract:Anewprofilecontrolagent,fluosilicicacid2waterglass,wasstudiedinthispaper.Itsperformancewascomparedwiththatofbydrochloricacid2waterglasssystem.Theresultsshowedthatthefluorsilicicacid2waterglasssystemisoftheadvantagessuchaslowcost,goodprofilecontrolandsandconsoidationabil2ity.Thedualeffectsofprofilecontrolandsandconsolidationcanbeobservedwhenitisusedinwaterinjec2tionwells.Keywords:Profilecontrolagent;Watershutoffagent;Fluorsilicicacid;Oilproduction,,,,,,,,,,,,,1000t/a,,,1000t/a,1000/t,,(),,,,,2,,1999,30,8,47.4t,1000,,,80t/a,,5t/a,,,()629