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《基于成巖和測(cè)井參數(shù)定量評(píng)價(jià)的成巖相劃分——以鄂爾多斯盆地薛岔地區(qū)長(zhǎng)6儲(chǔ)集層為例.pdf》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、礦物巖石地球化學(xué)通報(bào)·研究成果·BulletinofMineralogy，PetrologyandGeochemistryVo1．34No．6，November，2015基于成巖和測(cè)井參數(shù)定量評(píng)價(jià)的成巖相劃分以鄂爾多斯盆地薛岔地區(qū)長(zhǎng)6儲(chǔ)集層為例高輝，蘇婕，孫衛(wèi)2，李天太，楊玲1．西安石油大學(xué)石油工程學(xué)院，西安710065；2．西北大學(xué)地質(zhì)學(xué)系，西安710069摘要：為探討成巖相的定量劃分與識(shí)別方法，利用鑄體薄片、掃描電鏡、X射線衍射、壓汞和測(cè)井資料，對(duì)鄂爾多斯盆地薛岔地區(qū)長(zhǎng)6儲(chǔ)集層進(jìn)行了成巖作用強(qiáng)度參數(shù)定量評(píng)價(jià)和成巖相測(cè)井識(shí)別。結(jié)果表明，長(zhǎng)6儲(chǔ)集層經(jīng)歷了中等一強(qiáng)壓實(shí)作用、弱．中等膠
2、結(jié)作用、弱一中等溶解作用。根據(jù)成巖作用強(qiáng)度、膠結(jié)物類型、孔隙類型及其發(fā)育程度，劃分出5種成巖相，不同成巖相的自然伽馬、聲波時(shí)差和電阻率測(cè)井響應(yīng)差異大。成巖相與沉積微相表現(xiàn)出良好的對(duì)應(yīng)關(guān)系，分布于水下分流河道砂體的中等壓實(shí)綠泥石膠結(jié)一粒間孔相，孔隙發(fā)育程度高，物性好，排驅(qū)壓力低、大孔喉含量高，是最有利的成巖相；中等壓實(shí)伊利石膠結(jié)一溶蝕孔相和中等壓實(shí)硅質(zhì)膠結(jié)相次之。關(guān)鍵詞：定量劃分；成巖相；測(cè)井識(shí)別；成巖作用；超低滲透砂巖中圖分類號(hào)：P588．2文章編號(hào)：1007—2802(2015)06—1238—09doi：10．3969／j．issn．10072802．2015．06．016Cl
3、assificationofDiageneticFaciesBasedonQuantitativeEvaluationofDiagenesisandLoggingParameters-ACaseStudyoftheChang6ReservoiroftheXuechaArea，OrdosBasinGAOHui，SUJie，SUNWei，LITian．tai，YANGLing1．CollegeofPetroleumEngineering，Xi'anShiyouUniversity，Xi'an710065，China；2．DepartmentofGeology，NorthwestUniv
4、ersity，Xi'an710069，ChinaAbstract：Inordertoprobethequantitativeclassificationandidentificationmethodofdiageneticfacies，thequantitativeevaluationofdiagenesisintensityparametersandtheloggingidentificationofdiageneticfaciesoftheChang6ReservoirintheXuechaarea，OrdosBasinhavebeencarriedoutinthispaper
5、byusingcastingsection，SEM，XRD，mercuryinjectionandloggingdata．ResultsshowthatthediageneticfaciesintheChang6Reservoirhadexperiencedthemedium．strongcom-paction，weak-mediumcementation，andweak—mediumdissolution．Fivediageneticfacieshavebeenclassifiedbasedontheirdiageneticintensity，cementtype，andpore
6、typeanddevelopmentdegree．Thereareobviouslydifferentresponsesonnaturalgamma，acoustictimeandresistivityloggingamongvariousdiageneticfaciesinthearea．Thereisagoodcorrelationbetweendiageneticfaciesandsedimentarymicrofacies．Themoderatelycompacted，chloritecementedandintergranularporeddiageneticfacies
7、，whichisdistributedinsandysedimentsbeneaththeriverbed，isthemostfavorablediageneticfa．ciesbecauseofthehighdevelopmentdegreeofporosity，goodphysicalpropertieslowexpulsionpressure，highcontentof，bigporethroat．Themoderatelycompacted，illitecem
