環(huán)保型防漏堵漏鉆井液研究.pdf

1、中國石油大學（華東）碩士學位論文環(huán)保型防漏堵漏鉆井液研究姓名：張偉申請學位級別：碩士專業(yè)：油氣井工程指導(dǎo)教師：邱正松20080401StudyonEnvironmentalFriendlyDrillingFluidforLeakResistanceandSealingZhangWei(petroleumengineering)DirectedbyProfQiuZhengsongAbstractLosscirculationisoneof

2、themostcomplexsituationswhichcallharmthesafetyofdrillingoperationItcausesnotonlytimeandeconomiclosstodrillingengineering，butalsobringsdifficultytooilandgasexplorationSolosscirculationhasbeenaveryimportantprobleminthefiel

3、dofpetroleumengineeringRecentyears，losscirculationproblemthathappenedindeepformationofancientburiedhillinBohaiOilfieldisserioushviewoftheformationcharacteristicsofancientburiedhillinBohaiOilfield，firstly，somecommondrilli

4、ngfluidsealingagentswereevaluatedEnvironmentalfriendlyleakresistanceandsealingdrillingfluidsweredevelopedforleakingformationandfractureformationrespectivelyTheevaluationexperimentsshowthatthetwonewlyleakresistanceandseal

5、ingdrillingfluidshavegoodstability，hi曲antipollutionabilityandarebiodegradableeasily，andCallsatisfythestandarddrillingengineeringinoffshoreoilfieldThesealingeffectexperimentsdemonstratethatthetwonewlyleakresistanceandseal

6、ingdrillingfluidscanenhancethepressurebearingabilityofformationandhaveobviousleakingresistanceeffectCoreflowingexperimentshowsthatthetwonewlyleakresistanceandsealingdrillingfluidsCanprotectreservoirKeywords：formationofan