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1、石油勘探與開(kāi)發(fā)4142013年8月PETR0LEUMEXPLoRAT10NANDDEVEL0PMENTVl01.40No.4文章編號(hào):1000.0747(2013)04.0414.09DOI:10.11698/PED.2013.04.04優(yōu)質(zhì)碳酸鹽巖縫洞型儲(chǔ)集層地質(zhì)建模以塔中北斜坡及塔北南緣奧陶系為例倪新鋒,沈安江,一,潘文慶2,一,張榮虎,于紅楓,董庸,朱永峰。,王朝鋒(1.中國(guó)石油杭州地質(zhì)研究院;2.中國(guó)石油碳酸鹽巖儲(chǔ)集層重點(diǎn)實(shí)驗(yàn)室;3.中國(guó)石油塔里木油田公司)基金項(xiàng)目:國(guó)家科技重大專(zhuān)項(xiàng)“大型油氣田及煤層氣開(kāi)發(fā)”(2011ZX05
2、004.002)摘要:基于單井儲(chǔ)集層特征解剖,采用儲(chǔ)集層主控因素和儲(chǔ)集空間生產(chǎn)組合單參數(shù)定量、多參數(shù)綜合建模法,建立塔中一塔北奧陶系儲(chǔ)集層地質(zhì)模型。共發(fā)育6類(lèi)單井地質(zhì)模型:①層序界面控制洞穴+洞頂裂縫一孔洞型;②斷裂面控制洞穴+洞頂裂縫.孔洞型;③層序界面及斷裂面控制表層洞穴+下部裂縫.孔洞型;④層序界面及斷裂面控制單一裂縫一孔洞型;⑤斷裂面控制下部熱液?jiǎn)我豢锥葱?;⑥斷裂面控制單一裂縫型。由此建立了單面山構(gòu)造背景塔中臺(tái)型斜坡及塔北南緣緩斜坡2大類(lèi)儲(chǔ)集層綜合地質(zhì)模型,其中塔北南緣哈拉哈塘地區(qū)鷹山組至一間房組主要發(fā)育①、②兩類(lèi)儲(chǔ)集層,而塔
3、北ZG8井一zG43井區(qū)鷹山組主要發(fā)育③、⑤兩類(lèi)儲(chǔ)集層。綜合評(píng)價(jià)認(rèn)為,層序界面控制的洞穴+洞頂裂縫.孔洞型儲(chǔ)集層最有利,其次為斷裂面控制洞穴+洞頂裂縫.孔洞型儲(chǔ)集層地質(zhì)模型符合洞穴和裂縫.孔洞型配置關(guān)系以及斷裂面控制熱液的區(qū)域是勘探開(kāi)發(fā)的重點(diǎn)。圖9表1參18關(guān)鍵詞:碳酸鹽巖;縫洞型儲(chǔ)集層;地質(zhì)模型;主控因素;奧陶系;塔中一塔北地區(qū)中圖分類(lèi)號(hào):TE122.2文獻(xiàn)標(biāo)識(shí)碼:AGeologicalmodelingofexcellentfractured—vuggycarbonatereservoirs:AcasestudyoftheOrdov
4、icianinthenorthernslopeofTazhongpalaeoupliftandthesouthernareaofTabeislope,TarimBasinNiXinfeng,2ShenAnjiang,2PanWenqing,ZhangRonghu,2YuHong~ng,DongYong,ZhuYong~ng。,WangChaofeng(1.HangzhouInstituteofGeology,PetroChina,Hangzhou310023,China;2.KeyLaboratoryofCarbonateReserv
5、oir,PetroChina,Hangzhou310023,China;3.PetroChinaTarimOilfieldCompany,Korla841000,China)Abstract:Basedonthereservoircharacteristicsofindividualwells,thecombinedmaincontrollingfactoroffractured—vuggyreservoirandreservoirspacesynthesizedmodelingwasadoptedtoestablishgeologi
6、cmodelsfortheOrdovicianreservoirsinthenorthernslopeoftheTazhongpalaeoupliftandthesouthernareaoftheTabeislope.Geologicmodelsforsixtypesofwellswereestablished:(1)sequenceboundarycontrolledcave+fracture-vug;(2)cave+fracture—vugonthetopofcavecontrolledbyfractures;(3)caveint
7、hesurfacelayer+fracture—vugunderthecavecontrolledbythesequenceboundaryandfaults;(4)singlefracture-vugcontrolledbythesequenceboundaryandfaults;(5)singlevugcontrolledbydeephydrotherrnalfluidsalongfaultsandfractures;(6)singlefracturecontrolledbyfaultsandfractures.Twotypeso
8、fsynthesizedgeologicmodelswereestablishedunderthetectonicbackgroundofcuesta,namely,platformtypeslopeoftheTazho