新型多功能定向井鉆井液研究及應用

1、中國石油大學（華東）碩士學位論文新型多功能定向井鉆井液研究及應用姓名：王才學申請學位級別：碩士專業(yè)：石油與天然氣工程指導教師：邱正松薄和秋20060301Studyandapplicationonnewdirectionalwelldrillingfluidwithmulti—functionsWANGCaixue(oilandgasengineer)DirectedbyProfessorQ1UZhengsongandSeniorEng

2、ineerBOHe—qiuAbstraetOnthebasisofrequirementsofdirectionalwellondrillingfluidandanal歸ngpresentdrillingfluidsystems，thepolyoldrillingfluidisselectedasnewdirectionalwelldrillingfluid。Inordertodevelopnewdirectionalwelldrill

3、ingfluid，polymercoater，filtratereducerandshalecontrolagentfordrillingfluidwereoptimallyselectedafterdevelopingpolyolshaleinhibitorandpolyollubricantThepropertiesofnewdrillingfluidsystemincludinginhibition，mudfiltratecont

4、rolcapacity，theology，lubricityandformationprotectionabilitywereevaluatedinlaboratoryThefunctionalmechanismofthedrillingfluidwasbrieflystudiedThefieldtestsweremadeatLN3—6Hwell，HD423HwellandKS一3wellDuringtheprocessofdrilli

5、ng，boreholewasstable，andholediameterwasregularElectriclogging，casingrunningandcementingoperationwereSUCCeSSfUlLaboratorytestsandinsituapplicationindicatethatnewdirectionalwelldrillingfluidhastheadvantagesofexcellentinhib

6、ition，lubricity，anti—sloughing，formationprotectionpropertytolerancetotemperatureandsolidcontaminationandconvenienceforfieldmaintenanceandtreatmentThesuccessfulapplicationdemonstratesthatnewdirectionalwelldrillingfluidcan