1、中國石油大學（華東）碩士學位論文鉆井液物性參數(shù)對深水鉆井井筒溫度壓力的影響姓名：寧立偉申請學位級別：碩士專業(yè)：油氣井工程指導教師：管志川20080401TheEffectsofDrillingFluid’SPhysicalPropertiesontheTemperatureandPressureinDeepwaterDrillingNingLiwei(Oil&GasWellEngineering)DirectedbyProfessorG

2、uanZhichuanAbstractTheneedofOilandGasisincreasingtodaybutOilandGasisbecominglessandlessMoreandMoremarineOilandGasisexploredandexploited，andseadepthtendstodeeperanddeeperAlsokindsofdifficultiescomellp，needtobesolvedsoonNa

3、turallydeepwaterdrillingisbecominghotterandhotterLowtemperature，highpressure，highporepressureandlowfracturepressurecommonlyexistindeepwaterdrillingandalwayscauseaccidentsWeexpectanewmethodtoforecastthetemperatureandpress

4、ureinthewellboreSointhisthesis，wehaveestablishedamodeltocalculatethetemperatureandpressureinthewellboreWemakesomeameliorationonthebasisofothers’research，including：densityandtheologicalbehaviorofdrillingfluidaredeemedasaf

5、unctionoftemperatureandpressure；theeffectofcuttings，frictionalheatandpressuredropheataretakenintoconsideration；what’Smore，thetemperatureandpressureinthewellborearecoupledcalculatedWehavemadeanewprogramaccordingtoallofthe

6、sementionedaboveandgotmoreaccurateresultsThisprogramcallshow1lStemperatureprofiles，pressureprofiles，densityprofiles，viscosityprofiles，downholetemperatureandpressurecurves，equivalentcirculatingdensityprofiles，equivalentst

7、aticdensityprofilesinthewellboreandtemperatureprofilesintheformationwhenthedrillingfiuidiseithercirculatingornotwhichareimportantfordrilling，cementing，wellcontrol，casingdepthdesignInthispaperwealsocompleteparametricsensi