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1、2015年4月大慶石油地質(zhì)與開(kāi)發(fā)Apr.,2015第34卷第2期PetroleumGeologyandOilfieldDevelopmentinDaqingVo1.34No.2DOI:10.3969/J.ISSN.1000.3754.2015.02.010蘭西地區(qū)地?zé)崽锏男纬杉暗責(zé)豳Y源潛力評(píng)價(jià)汪佳,(1.大慶油田有限責(zé)任公司勘探開(kāi)發(fā)研究院,黑龍江大慶163712;2.東北石油大學(xué)地球科學(xué)學(xué)院,黑龍江大慶163318)摘要:為綜合分析蘭西地區(qū)地?zé)豳Y源開(kāi)發(fā)潛力,通過(guò)對(duì)地?zé)釄?chǎng)地質(zhì)條件、熱源及導(dǎo)熱構(gòu)造、熱儲(chǔ)和蓋層發(fā)育特征等進(jìn)行研究,明確了具有經(jīng)濟(jì)價(jià)值
2、的地?zé)醿?chǔ)層特征,并計(jì)算了泉頭組三、四段的地?zé)岬刭|(zhì)資源量、地?zé)崴Y源量及可開(kāi)采資源量。結(jié)果表明:蘭西地區(qū)在縱向上發(fā)育上部、中部、下部、深部等4套熱儲(chǔ)組合,分別被嫩一段、嫩二段、青一段、泉一段、泉二段泥巖所分隔,具有地溫梯度大、溫度高、莫霍面淺等特點(diǎn);花崗巖分布廣泛,具有豐富的深部熱源;基底斷裂發(fā)育,斷距較大,是熱能和水的良好通道,有利于形成大面積地?zé)崽?。關(guān)鍵詞:蘭西地區(qū);地?zé)豳Y源;潛力評(píng)價(jià);熱儲(chǔ)組合;深部熱源;地?zé)崽镏袌D分類(lèi)號(hào):TEl32.9文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):lO00.3754(2015)O2—0057.o5FoRMATIoNoFTHEG
3、EoTHERMALRESERVoIRSANDEVALUATIoNoFTHEGEoTHERMALRESoURCESINLANXIAREAWANGJia,(1.ExplorationandDevelopmentResearchInstituteofDaqingOilfieldCompanyLtd.,Daqing163712,China;2.CollegeoftheGeosciencesofNortheastPetroleumUniversity,Daqing163318,China)Abstract:Inordertosystematically
4、analyzethedevelopmentpotentialsofthegeothermalresourcesinLanxiarea,withthehelpofthestudiesonthegeologicalconditions,mainheatsourcesandconductingstructures,characteris—ticsofthethermalreservoirsandcaprockdevelopmentofthegeothermalfield,thefeaturesofthethermalreservoirswithac
5、ertaineconomicvaluearemadeclear,andmoreoverthecalculationsofthegeothermalgeologicalresources,geothermalwaterresourcesandrecoverableresourcesamountsforMember3and4ofQuantouFormationarecon—ducted.Theresultsshowthatfoursetsofthegeothermalreservoirscharacterizedbybiggeothermalgr
6、adient,hightemperature,shallowMohoandSOonareverticallydevelopedintheupper,middle,loweranddeeppartsofLanxiarea,andfurthermoretheyarerespectivelyseparatedbythemudstonesofMember1and2ofNenjiangFormation,Member1ofQingshankouFormation,Member1and2ofQuantouFormation;thegraniteiswid
7、elydistributedandthedeepgeothermalsourcesarewellenriched;thebasementfaultsarewelldeveloped,thefaultthrowsareratherbigger,andmoreoverthesefaultshavebecomethegoodpasswaysoftheheatenergyandwater.Alltheseadvanta—gesarebeneficialtotheformationoflargergeothermalfield.Keywords:Lan
8、xiarea;geothermalresources;potentialevaluation;geothermalreservoircombination;deep