新型多功能定向井鉆井液研究及應(yīng)用

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文新型多功能定向井鉆井液研究及應(yīng)用姓名：王才學(xué)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：石油與天然氣工程指導(dǎo)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