普光地區(qū)二疊-三疊系地層壓力分布特征研究.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文普光地區(qū)二疊三疊系地層壓力分布特征研究姓名：翟盼盼申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：礦產(chǎn)普查與勘探指導(dǎo)教師：張世奇張立強(qiáng)20090601StudyonCharacteristicsoftheFormationPressureDistributionofPermian—TriassicinPuguangRegionZhaiPanpan(MineralProspectingandExploration)Directed

2、byAssociateProfessorZhangShiqi&ZhangLiqiangAbstractComprehensivelyusingcore，logging，geophysical，geochemicalanddrillingdatabasedontheanalysisofthegeologicalbackgroundofPermianTriassicformationofPuGuangregionthepapersystem

3、aticallyresearchedthebasicgeologicalcharacterdistributionofmeasuredabnormalpressure，pressuresimulationandthefactorsthatimpacteddistributionoftheabnormalpressureAchievementsareshownasfollowingByanalyzing，themeasuredpressu

4、redistributioninthestudyareaischaracterizedbythedistributionofmultilayers，severalpressuresystemsinverticalFormation、^，itllnormalpressureinPuguangareahasgoodphysicalpropertiesanddevelopedpores；Formationwithabnormalhi班pres

5、sureinMaobaareahasgoodphysicalpropertiesandthetypesofporesaremainlycracktypeFracturesarewidelydevelopedUsingknownlithologicalanddrillingdata，combinedwiththeboundaryconditionsofthestudyarea，thepaperusedPetroModsimulatingt

6、hepressuredistributionofsomewellsandprofilesinthestudyareaWithacertaindeviationinnumericalvalue，thesimulationresultshavethesametrendasthemeasuredpressurefromdrillingBasedontheanalysisofthepressurefrommeasureandsimulation

7、，thispaperresearchedthefactorsthatimpactingthedepositionbackgroundandtheabnormalpressureAccountthatthecompactionintheareamakesacertaincontributiontotheformationofabnormalpressure；Thedistributionofabnormalpressurehascerta

8、inrelevancetothedistributionofgypsumsaltlayerandtheareaswiththickandwildlydistributedgypsum—saltlayershasabnormalpressure；ThethicknessoftheerosionformationhasacertainimpactonthedistributionofabnormalpressureItisprovedtha

9、tsmallerabnormalpressurealwaysdevelopsintheareawiththickererosionformation；Hydrocarbongenerationproffersagreatcontributiontotheformationanddistributionofabnormalpressure；Usingfiniteelementanalysissoftware，thispaperconduc

10、tsapreliminarysimulationonthedistributionofthestressTheresultsshowthatteetonismplaysagreatroleontheformationofabnormalpressureandtheareawithlargerstresshasgreaterabnormalpressureKeywords：Carbonaterocks，Abnormalpressure，P