抗盐抗钙钻井液降滤失剂的研制

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1、DevelopmentofSaltResistantandAnti··calciumAgentforDrillingFluidZhuDaozhi(Oil&GasWellEngineering)DirectedbyProfessorLvkaiheAbstractAlong、析也thegrowingdemandforenergy,oilexplorationanddevelopmentisbecomingincreasingdifficult．Thestratawedrillfilebecomingcomplex，thenumberofultr

2、a-deepandcomplexwellisgrowing，alltheseabovehaveputahigherdemandonthedrillingfluidfiltratecontrolagent．Inthispaper,weusestarchasthemainrawmaterialtOsynthesizeanewsaltresistantanti—calciumfluidlosscontrolagent．First,wedeterminedtheinitialformulathroughorthogonalexperiment,th

3、enwedeterminedtheparametersuchasratioofrawmaterials，dosage，reactiontime，reactiontemperaturethroughsinglefactoranalysisexperiments，wemadeacomprehensiveevaluationofthesyntheticsamplesbyanalyzingitsphysicalandchemicalproperties，fluidlossperformance，temperatureresistanceandant

4、ifoulingproperties．Theresultsshowedthatsynthesisofsaltresistantanti—calciumtofluidlossadditivehasgoodeffect．ThroughalotofexperimentstOchoosethebettersyntheticfluidlossadditiveforlawmaterialsandtheserawmaterialsinthereactionprocessisrequiredforoptimalreactionconditions，thed

5、rillingfluidlossadditiveasevaluationcriteria,finallyobtainsthesynthesisoffluidlossadditiveoptimalformula．ThenweevalumedtheproductunderdifferentconditionsthroughlaboratOryexperiment．Theresultsshowedthattheproductcouldeffectivelyreducefluidlossundertheconditionofhighsaltandc

6、alciumcontent．Inthisstudy,starchisthemainrawmaterial，weusephosphatetOmodi匆starchmolecule，theproducthasseveraladvantageslikeexcellentperformance，lowcost,widevarietyofsourcesandenvironment-friendly．AfterWedevelopedthisnewsaltresistantanti—calciumfluidlosscontrolagent，Wealsoo

7、ptimizedtherecipeofsaltresistantanti—calciumdrillingfluid，andfinallygotaoptimalrecipebyselectingdrillingfluidtreatmentagents．Keywords：Fluidlosscontrolagent,SaltresistantAnti—calcium，Evaluation,Formulaoptimization．■目录第一章前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．1研究的目的和意义⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．2研究内容与研究方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21，2．1研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．2