歧口凹陷中南部沙二～沙三段物源與沉積體系研究.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文歧口凹陷中南部沙二～沙三段物源與沉積體系研究姓名：于杰杰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：礦物學(xué)、巖石學(xué)、礦床學(xué)指導(dǎo)教師：邱隆偉20090501AresearchonprovenanceandsedimentarysystemofEs2Es3inthemiddlesouthareaofQikouDepressionYuJiejie(MineralogyLithologyGitology)DirectedbyProf

2、QiuLongweiAbstractQikoudepressionlocatesinBohaibaybasin，itisaclassicalcontinentalriftbasindevelopedonthebasementofMesozoicstrataQikoudepressionisoneofthelargestanddeepestoil—bearingsedimentarydepressionsinBohaibasin，this

3、papertakestheprovenancesandsedimentarysystemofEs2Es3ofthemidsouthareainQikoudepressionastheresearchobjectsBasedonthetheoryofsedimentology、petroleumgeologyetc，combinedwitlltheavailableinformationsuchasseismicdatawellloggi

4、ng，coreandpalaeobiology，therelevantworkloadareaccomplished，thentheprovenancedevelopmentandsedimentarysystemsofEs2～Es3，alsotheplanedistributionandverticalevolutionofsedimentaryfaciesareclarifiedTheprovenancedevelopmentofm

5、idsouthQikoudepressionasfollows：inperiodofEs2，therearethreemainlyprovenancedistrictintheinterestedregion：Cangxianupliftofthenorthwest、Chengningupliftofthesouthanddenudationarea；thetwodifferentdirectionmainprovenanceCangx

6、ianandChengningupliftremainstronglycontinuousprovisiontendencyinEs3period，andatthesametimethesecondinnerupliftinQikoudepressionGangxiandKoueunYangsanmubegintoprovidedepositforthedepression，especiallyintheEs32peroid，these

7、differentprovenancedirectionsareobvious；intheEs31peroidtheprovisionintensityofGangxiandKoucunYangsanmuupliftdecreaseInEs2period，therearefourmainlytypessedimentarysystemsandfacies：fandelta，deltabeachbarandlacusBasedontheb

8、ulitthestratigraphyframework，theEs3isdividedintoEs31andEs32secondformation；intheEs32period，nearoffshorebasinfloorfan，deltabraideddelta，lacustrinearerecognized；intheEs31pedod，nearoffshorebasinfloorfan，beach—barbraideddelt