濱里海地區(qū)巨厚鹽膏層蠕動規(guī)律研究.pdf

1、中國石油大學（華東）碩士學位論文濱里海地區(qū)巨厚鹽膏層蠕動規(guī)律研究姓名：張奎林申請學位級別：碩士專業(yè)：油氣井工程指導教師：周廣陳20090401StudyontheCreepLawofSuperThickSaltBedsinPre—CaspianBasinZhangKuilin(Oilandgasengineering)DirectedbyProfZhouGuangchenAbstractSaltdrilling，indeepwellsp

2、articularlyisabigchallengetotheworldDuetothecreepofthesalt，lotsofdeepwellswerefinishedbeforetargetzoneoraccidentlyfinishedorcasingcollapse，leadingtogreateconomiclossPre—CaspianBasinisveryrichinoilandgas，butt11icklayerofs

3、altwidespreadintheregion(rangingfromseveralhundredtoseveralkilometers)，whichisabigchallengetodrillingTherefore，thepriorityofoilandgasexplorationinthebasinishowtodrillthroughthesaltsafelyandfastThekeytosolvethedrillingpro

4、blemistoproperlyanalysethecreeplawofthesalt，whichisthenecessarybasisfordrillingfluiddensitydesign，wellstucturedesignandcasingdesignSaltsampleandCOreweregatheredfromKazakhstanPre—CaspianBasin，andafteranalysingphysical，che

5、micalandcreeppropertyexperimentallythecreepmodelforthesuperthicksaltatPre—Caspianbasinwereestablished，andalso，thedrillingfluiddensitydesignmethodfordrillingsaltinthisareawaspresentedDrillingpracticeofthreewellsprovedthat

6、thedensityfromthismethodcouldensuresafetydrillingAndSOthisdesignmethodprovidesareliabletechnicalsupportfortheoilandgasexplorationbeneathsaltatPre—CaspianBasinKeywords：Creeplaw，Drillingfluiddensity，Superthicksaltbeds，PreC