安塞油田沿河灣探區(qū)長(zhǎng)6儲(chǔ)層構(gòu)造裂縫分布定量預(yù)測(cè).pdf

1、中國(guó)地質(zhì)科學(xué)院碩士學(xué)位論文安塞油田沿河灣探區(qū)長(zhǎng)6儲(chǔ)層構(gòu)造裂縫分布定量預(yù)測(cè)姓名：張林炎申請(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：周新桂20070525中國(guó)地質(zhì)科學(xué)院碩士學(xué)位論文AbstractChan96IoscrviorbelongstosandstonezeserviorwhichhasexUEmelylowpermeability(permeabilitymostlylessthan03md)，lowp∞ssunandlowp

2、roductivityinYanhewanageainAnsaioilfieldLithologyismolefightandrockbrittlenessisbiggerforlowpermeablesamltollem∞r(nóng)vi∞commomlydevelopstcctonicfractureafter鋤extentoftectonicmovementInlowpermeableteserviorfracturenotonlycon仃

3、ohdistributionofhydrocarbonreservoirbutalsoisthekeyofexploitationplansmdyforhydrocarbonreservoirInunconventionalreserviorbylowpermeabilitydevelopmemofnaturalfiacmrewillalterourattitudeofevaluationforthetypeofreserviortoa

4、certainegtcntOilnowRsaveorproduO：ionscalecommoⅡlygetsthecontroloffracturesystemclarifyingdevelopmentanddistributionlawof丘ac岫isthekeyofsuccessfuloilexplorationandrationaldevelopmentinlowpermeableresorviorTherefore，Tomakec

5、leardistributionlawstudyoffractureforlowpermeablereserviorcertainlyhasagmdancemseforexplorationanddevelopmentinYanhewana慨11“mainconclusionisasfollows：l。Makecertainthedominantdircctiofiofdevelopmentfortecttollicfracturesy

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7、cturemostlydevelopsinsiltstoneandfme戳md釀恤eI丑additionbedthicknessandhactI|rcdemityhasanegativeexponentialrelation2MakecertainUiaxialslmssstateoftectonicmovementinprmⅡydeformationper_iodYaashanperiodinyanhewaaamMajorprinci

8、pmstressdirectionisNWinYanshanper_i00thedominantdirectionofMajorprincipalstlessis129。Z10。andthedominantdi圮c痂加ofminorprincipals悃sis129。Z10。3MakecorlainthatMajorprmcipalst∞isabout舳一98Mpainprimaryformationperiodoffractureya

9、nshanMiddleLateperiod；Majorprincipalstre齬i8about203_44IMPaformRockrecordindiffe佗ntd印恤Maj∞principalsbessanddepthhasarelation(61=00149H22858(MPa)，彰=O907)Majorprincipalstressdirectioni矗aboutNE6876。forChangsixreserviorinYanh

10、ewanam4tcct0ⅡicflmotureprimarilyconlosintobeingeveninginmiddleJma∞icforChangsixreserviormigrafiontimeiseveningofLateCratac∞ousAnalysethattccIgBlicfracturehasanactioninoilaccumulation5，Havean∞dm砒i∞ofwhatisthemgeofflmdpIe％

11、mfortectonicfracturereopenningandtheinducedfracture，sform血oninYanhewAn撕Thcfluidpr％吣斷high鋤gletectonic血帕眥∞0p鋤噸isabout1519MPaandintrabedfracturereopenningisabout2124Mpa、礬1iIetheformationofinducedfractureisabout2124Mpaforaba

12、ngsixreserviorinYanhew∞m6HaveastudyofprincipalsUcssanddil％tiOllforChangsixreservoirandanestablishmentofmathematicalpredicationmodelfort。ctonic丘扯加瑤in口imaryformationhmeoffraaureinY訕ew鋤∞andhaveapreliminarypredicationandesfi

13、mationoffavorableplaceforexplorationinYanhewaaamThcpredicationofdistributionlawforfracmaedensityoftargetanddcvelopmetdirectionofextensionandshearfraetarcandtheapplicationofthetheorymethodsthatt∞tonic目Te∞drivethemigration