塔河油田四區(qū)奧陶系裂縫精細描述及分布預(yù)測.pdf

1、中國石油大學(xué)（華東）碩士學(xué)位論文塔河油田四區(qū)奧陶系裂縫精細描述及分布預(yù)測姓名：高玉飛申請學(xué)位級別：碩士專業(yè)：構(gòu)造地質(zhì)學(xué)指導(dǎo)教師：鐘建華李陽20090501DetaileddescriptionanddistributionpredictingofOrdovicianfracturesinblock4ofTaheOillfieldGaoYu—fei(StructureGeology)DirectedbyProfZhongJian—huaa

2、ndLiYangAbstractTaheOilfieldisafractured—vuggycarbonatereservoirThesuperpositionofmulti—phasetectonicmovementsmadethefracturesdevelopedverycomplex，thecavewithwhichconstitutedacomplexfractured—vuggyreservoirofTaheOilfield

3、However，sofar，thefracturesysteminTaheOilfieldisstillinsufficientunderstanding，whichseverelyaffectstheexplorationanddevelopmentofTaheOilfieldBasedonthestudyofthefracturecharacteristics，thecontrolledfactors，thesimulationof

4、thepalaeostressfieldandSOonintheworkareacombinedwiththeloggingdataeta1，thetextcompletedthepredictionofthefracturedevelopmentandthestudyofthefracturecombinationandzoning，thenanalyzedthetypeofrelationshipbetweenfracturesan

5、dcavesThroughobservationofthecoresandthethinsectionsofmorethan20wells，combinedwithFMIandotheranalyticaldata，thetextstudiedthedip，length，direction，volumedensityandothersystemcharacteristicsoffracturesFromthefillingcaseoff

6、ractures，thetextanalyzeditseffectivenessandthecontrollingfactorsofthefractures，whichmainlyincluded：tectonism，lithology，prefracture，rockstratumstructureandlocalstructuresAndthefractureshadbeendividedbystage，fourstagesdivi

7、ded：pre—Caledonian，Caledonian，HercynianearlyandHercynianlate—HimalayanOnthebasisofabove，thegeneticmechanismofthefracturesWasexploredInviewofthat，theearlyHercynianintheareaisthemostimportantperiodoftectonicmovementfractur

8、esformedandisthemajordevelopmentalstagesofkarsts，thetextconductedthesimulationoftectonicstressfieldduringearlyHercynian，andpredictedthemajorfracturezones，whichwerecomparedwiththeexplorationpracticeintheareaThroughanalysi