主鏈型粘土防膨劑的研究與應(yīng)用.pdf

1、大慶石油學院碩士學位論文主鏈型粘土防膨劑的研究與應(yīng)用姓名：孫曉明申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：劉慶旺王中國20070620大慶石油學院工程碩士專亞擘住論文THE研rI『DYANDAPPLIC枷oNoFTYPECLAYSTABILIZINGMAINCHAINAGENTThestudyonclaystabilizingagentc勰bedividedintothreeperiods，fromthel950stothela

2、tel960stheinorganicsaltswelemainlyusedtostabilizedayoftheformationInthe1970sinoremcmultinuelearpolymersandcationsurfactal血w訊usedAndsincethe1980sthe蛐鋤dexperimentsoneadonicorganicpolymerstabilizingdayhadbeenmainlye越“riedou

3、tAccordingtothecl墻n峙terofcationpolymerorganicpolymerforstabilizingclay啪bedividedintothreetypesmainchailltypethatisthecationliesoiltheframewoFkofthepolymerSidechain’ype’thatistheealionliesonthesideofthepolymerchainComplic

4、atedannulustypethatis鋤annulusliesontheframeworkofpolymerandtheealionliesontheannulusTheapplicationofelnystabilizingagentasatedmicallllefllSillmtoprotectoilformationstartedfromtlleearly1990sinDaqingoilfieletAndpublicizedi

5、nthelate1990sTheaetiomofclaystabilizingagenttoprotectoilformationa陀topreventcIayparticlesfromhydratingswellingandscatteringmigrationwhichwillblockflowingporousc越laLwhichwouldresultindeclineinpermeability∞dinfluencetheexp

6、loitationofoilfieldInthispaperw≈takethesynthesizingteelmiqueofclay始bilizingagentasaresearelaobjectandstartfromanalysisofclayelectricalproperty、ltl％$onsofwatersensitivenessofformationsandtherelationshipbe“yeendaytypesandw

7、atersensitivenessTheemphasisisoilltlesynthesisandprepaliltiollofthemainchaintypedaystabilizingagentthatismade丘班IepoxyehloropropaneFromlaboratoryexperimentswehavefoundtheoptimumpolymerizationreactiontime、tcmrmature、mounto

8、finitiatorandmonomelfmolarratiointhesynthesisofPTAdaystabilizingagentThedatawegainedfromthelaboratoryexperimentindicatethatPTAhasfavorableabilityofprohibitingdayhyaratingswellingandis∞ideallongtermeffectiveclaystabilizin

9、gagentThePTAhasbeenappliedon?！靠趈obsite∞thebasisoflaboratoryexoerimentsoferudemineralcomBytheendof2003。thefilthfactoryexlraefionofDaqingoilfieldhadtreated717wellsviaapplyingPTAtoprotectoilformationsaIldraisedtheproductivi

10、tyofI刪onwellseffectivelyenhancedtherecoveryofonformationimprovedtheexploitativeeffectofoilfieldandgainedgreateconomicprofitOnmcbasisofapplicationofsynthesizingtechnologicalstudyofclaystabil湯ngagentwehavedrawnⅡ地conclusion

11、sasfollows：(1yrhccationct科stabitizingagentoyrA)ismadefromepoxychloropropaneanddimethylamineItsoptimumrcaeliontimeis511temrertmis65℃amotmtofinitiatoris1O％andmolarratioofunitvolumeis15：1(2)11磚PTAhasfavorab坶protectivebehavi

12、or婦’themineralco螂ofXingnanonfieldinoaqin晷Therecoveryratioofdebrisisgr嘶ern吼95％tlaeswellingratioofdayislessthan3％Ithedeclineratiotocorepermeabilityislessthan10％andithasgoodpersistencecomparingwithKCIandNH4C1f3)By螄a璐ofactio

13、nsofilssurtieialpositivechargesandintermoleeularforces，theViAc811beabsorbedOiltheSlllfaceore塒particlestopI昏，鋤tclaymineralfromhydratingswelling“)ThepracticalappliealionindicatesthePTAoerforalingfluid伽improveiⅡoaueingfluid

14、intensit／ofoilwellofO9t／dm’911hal3cleinj∞nIlgV／alel“intensityofw砒crinjectil培wellof331m／dmAfteroilformationprotectingmeasIIrles”／el“eadoptedfileskinfactorofoilwelldecreased022andthecompletionfactorofoiJwellhasbeenwellimpr