體膨型泥漿堵漏劑的合成及應用研究.pdf

1、西安石油大學碩士學位論文體膨型泥漿堵漏劑的合成及應用研究姓名：周佩申請學位級別：碩士專業(yè)：應用化學指導教師：李謙定20090520Subject：Speciality：Name：Instructor：SynthesisAndAppliedResearchofExpandibleLostCirculationMaterialsAppliedChemistryZhouPei(signature)LiQianDing(signature)AB

2、STRACTAlongwiththefurtherexplorationofoilandgas，thelostcirculationquestionbecomes1nc陀aslngIyprominent，theincidenceoflostcirculationaccountsforthewelldrillingtotal20‰25％，thuspluggingbecomesthenecessarymeasurewhichthesec耐鑼

3、welldrillingmustadopt，andchoicethelostcirculationcombinationofleakagelayerI】a：tl】reisnlenecessa巧conditionsforsuccessfulpluggingThereforeresearchanddevelopmentofanewtypelostcirculationmaterialhaveappropriateexpansionandde

4、fonnationoftoenhancetheeffectsoflostcirculationcontrolhasbroadapplicationprospectsInthispaper，Weusedacrylicacid(AA)，acrylamide(AM)，starchandbentoniteasstartmaterial，synmesized鉚oproductsofstarch’acrylicacidandacrylicacida

5、c剛amideseries，N，Nmethylenebisacrylamideascrosslinkingagentandpotassiumpersulfate／sodiumacidsulfiteaSinitiatorTheirdluencefactorsofabsorbencypropertiessuchasexpansionperformanceandgelstrengthistheconcentrationofinitiatora

6、ndcrosslinker，initialmonomerconcen釘ationreactiontemperature，pHofsystem，ratioofmonomers，andtheamountofbentonitewereinvestigatedbytheseriesofsinglefactortestsByorthogonalexperiments，theoptimumtecIm0109icalp黜neterswerefixed

7、Theexperimentsshowthatthesyntheticproductshavevcrygoodexpanslonperformanceandgelstrength，andcompatibilitywellwiththedrillingmudsystemwhichshowthatappliesittopluggingisfeasibleTheexperimentsfocusingonproductspluggingcapac

8、itythroughanalysisandevaluationexperimentThroughstudythemechallismweknowthelostcirculationmaterialthroughplugtheroleofbridgingparticles，fillingtheroleofcompactionanddeformationadsorptiontoachievethepurposeofpluggingholes

9、Intheapplicationsevaluationofthelostcirculationmaterialusedindrillingmud，theproducthaSgoodpluggingeffectthebearingpressurecapacitymayreachabove4MPaKq唧ord：Lostcirculation：Gelstrength：Plugging；Drillingfluid；Expansionperfor