抗高温油基钻井液体系的研制

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1、ResearchonOilBasedDrillingFluidWithHighTemperatureResistanceLiZtxe(Oil&GasWellEngineering)DirectedbyProfessorWangFuhuaAbstractComparedtowaterbaseddrillingfluid，theoilbaseddrillingfluidhasthecompetenceofwellboreinhibitionandstabilization,anditprovides

2、protectionforformation,especiallyforwater-sensitiveformation．Meanwhile，theoilbaseddrillingfluidhasgreatcapabilityofhi曲temperatureresistenceandlubricity,whichcallbewidelyappliedindeepwellandhigh-angledeviatedwell．Giventhedevelopmentofoilbaseddrillingf

3、luidandthesyntheseknowledgeinorganicchemistry,thesyntheseofw／oemulsifierwi廿1hi曲temperaturestabilityhasbeenconducted，andtheoptimizedprocessconditionisfinallyobtainedthroughtheorthogonaltestandsingle·factoranalysis．TheproductcalledEMUL-Iisviscousblackf

4、luid．Thelaboratoryexperimentmanifeststhatthisproducthasgreatpropertyofemulsification(2％dosageoftheproductisveryeffective)，hightemperaturestability,saltresistanceandreinforcementforoilbaseddrillingfluid．．Basedonthesynthesizedemulsifier,organicclay,fil

5、tratereducerandwetting-reversalagentareoptimizedandoilbaseddrillingfluidthenis‘formulized．Thepropertyofsuchdrillingfluidsystemcanstillbestableat220degreecelsius．Theddningfluidcanalsoresistwaterandsaltincm墨ion．Thereafter,thefieldexperimentofoilbased&i

6、llingfluidiscarriedout．Thefieldexperimentdemonstratesthattheoilbaseddrillingfluidhastheedgeonhightemperaturestability,wellborestabilization,drillingrateenhancementandformationprotection．Inthemeantime，theoilbaseddrillingfluidsuccessfullyresolvesthepro

7、blemofholeshrinkage，expansion,collapseandstickingofthetoolsintroublesomezoneddnmg．Keywords：Oilbaseddrillingfluidwithhightemperatureresistance，Emulsifier,Organicsynthese，Laboratoryexperiment,Fieldtrial0，，赫掣☆＆‘目录第一章前言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、⋯⋯⋯．．11．1研究背景⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。11．2研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。j⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l第二章油基钻井液体系的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯32．1国外油基钻井液体系的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯42．1．1INTOL'IMl00％油基钻井液⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯：⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．42．1．2零滤失油基钻井液⋯⋯⋯⋯⋯⋯