羅龐塬區(qū)塊定探40071井區(qū)長(zhǎng)4+5油藏評(píng)價(jià).pdf

1、中文摘要學(xué)位論文創(chuàng)新性聲明本人聲明所呈交的學(xué)位論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文巾特別加以標(biāo)注和致謝中所羅列的內(nèi)容以外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果；也不包含為獲得西安石油大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均己在論文中做了明確的說明并表示了謝意。申請(qǐng)學(xué)位論文與資料若有不實(shí)之處，本人承擔(dān)一切相關(guān)責(zé)任。論文作者簽名：日期：姚歷6學(xué)位論文

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3、Chang45reservoirYanchangFormationinDT40071welldistrictofLuopangyuanAreaSpeciality：geolgicalengineeringName：Instructor：(signatur(signatuABSTRACTAccordingtoalotofdrilling，logging，samplesanalysisandoiltestdata，thestratigrap

4、hicdivisionandcorrelation，structure，distributionofsedimentarymicrofaciesandsandbodies，characteristicsofreservoirpetrophysicsandoilnessoftheChan945reservoir，YangchangFormation，UpperTriassicSeriesinDT40071welldistrict，Pang

5、luoyuanarea，Dingbianoilfieldhavebeenthoroughlyanalized，theenrichmentrulesofoilandgashasbeendiscussed，usingthetheoriesandresearchmethodsofsedimentologyreservoirgeologypetroleumgeologylogginggeology，Onthebasisofrecongnitio

6、nofoilandgasenrichmentrules，thefavorableareashavebeenpredictedandthepetroleumgeologicalreserveshavebeencalculatedThemainresultsofthispaperarefollows：(1)Basedonregionalmarklayersandsedimentarycycles，theChan945oilbearingfo

7、rmationcanbedividedinto2subgroups，feChan9451andChan9452ThestructuresofthetwosubgroupsareallmonoclinetiltingtothewestwithsomesmallnoseshapedupliftlocalitilyThestructurespresentfeatureofinheritance(2)TheChan945oil—bearingf

8、ormationinthestudyareaisasetofdeltadepositionwhichwasdevelopedbyrirerflowingintolakeDeltafrontsubfacieswasmainlydevelopedwithintheworkareaThemicrofaciesofsubaqueousdistributarychannel，subaqueousnaturallevee，subaqueousdis

9、tributarybayandmouthbarcanbeidentifiedfromtheChan945formationVertically，thescaleofthedeltadepositionpresentedthetendencyofdecreasefromChan9452toChan9451(3)ThelithotypeoftheChan945reservoirinthestudyareaaremainlylithicark

10、oseandarkoseThephysicalpropertiesofthereservoirarepoorerwhichbelongstolowporosity——extralowpermeabilityreservoirThereservoirspaceismainlydissolutionsecondarypores(4)Accordingtolotsofoiltestandproductiontestdata，qualitati

11、veandquantitativeexplainationresultsofoillayerandaqueouslaye，thelowerlimitcriteriontodistinguishoillayerandoilwaterlayerhasobtained，thatis：thelithologyisfinesandstone，theoilbearingoccurrenceisoilstains，075％，At217ps／m，Rt1