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1、第42卷第3期中國(guó)地質(zhì)Vb1.42.NO.32015年6月GE0L0GYINCHINAJun.,2015趙振,于漂羅,陳惠娟,等.青海省西寧地?zé)崽锍梢蚍治黾百Y源評(píng)價(jià)【J].中國(guó)地質(zhì),2015,42(3):803-810.ZhaoZhen,YuPiaoluo,ChenHuijuan,eta1.GeneticanalysisandresourceevaluationoftheXininggeothermalfieldinQinghaiProvince[J]GeologyinChina,2015,420):803—81o(inChinesewithEng
2、lishabs~ac0.青海省西寧地?zé)崽锍梢蚍治黾百Y源評(píng)價(jià)趙振于漂羅陳惠娟羅銀飛趙東陽(yáng)邊疆(1.青海省環(huán)境地質(zhì)勘查局,青海西寧810007;2.青海省環(huán)境地質(zhì)重點(diǎn)實(shí)驗(yàn)室,青海西寧810007;3.青海省地質(zhì)調(diào)查局,青海西寧810000)提要:筆者通過(guò)對(duì)西寧地?zé)崽镆延秀@探資料和區(qū)域地?zé)岬刭|(zhì)資料,結(jié)合近幾年的勘查項(xiàng)目研究成果,分析了西寧地?zé)崽锏穆癫貤l件、補(bǔ)徑排條件、地溫場(chǎng)及水文地球化學(xué)的特征,闡述了西寧地?zé)崽镏饕源蟮責(zé)崃鳛闊嵩础蜔釋?dǎo)率巖層聚熱一深循環(huán)逐漸加熱受迫對(duì)流機(jī)制一構(gòu)成控水控?zé)幔哂幸耘璧貍鲗?dǎo)型面狀熱儲(chǔ)為主,兼有斷裂對(duì)流型帶狀熱儲(chǔ)特征。同時(shí),
3、采用熱儲(chǔ)法對(duì)西寧地?zé)崽锏責(zé)豳Y源量進(jìn)行了評(píng)價(jià),該地?zé)崽飪?nèi)熱儲(chǔ)中儲(chǔ)存的熱量9.343x10“kJ,利用平均布井法計(jì)算出該地?zé)崽锩磕觊_(kāi)采熱量為1.12~1012kJ,折合標(biāo)準(zhǔn)煤3.78x10t,按地?zé)崽镆?guī)模分級(jí)為中型低溫地?zé)崽?。初步摸清了西寧地?zé)崽锓植家?guī)律以及資源量,為西寧地?zé)崽锏責(zé)豳Y源合理開(kāi)發(fā)利用提供了重要依據(jù)。關(guān)鍵詞:西寧地?zé)崽?;成因分析;資源評(píng)價(jià)中圖分類號(hào):TK521.33文獻(xiàn)標(biāo)志碼:A文章編號(hào):1000—3657(2015)03—0803一O8GeneticanalysisandresourceevaluationoftheXininggeoth
4、ermalfieldinQinghaiProvinceZHAOZhen,YUPiao—luo,CHENHui-juan,LUOYin—fe,ZHAODong—yang,BIANJiang,(1.EnvironmentalGeologicalExplorationBureauofQinghaiProvince,Xining81000ZQingha~China;2.KeyLaboratoryofEnvironmentalGeologyofQinghaiProvinceXining81000ZQinghaLChina;3.QinghaiGeologica
5、lSurvey,Xining81000~QinghaLChina)Abstract:BasedonavailabledrillingdataoftheXininggeothermalfieldandregionalgeothermalandgeologicaldataincombinationwithresearchresultsofrecentexplorationprojects,theauthorsanalyzedburialconditions,rechargeandrunofdischargeconditions,geo—temperat
6、urefieldandgeochemicalcharacteristicsoftheXininggeothermalfield,andpointedoutthattheXininggeothermalfieldmainlyhasterrestrialheatflowastheheatSOUrCe,thestratawithlowthermalconductivityaccumulatetheheat,thede印circulationgradualheatingforcedconvectionmechanismcausesthewatercontr
7、olandheatcontrol,dominatedbybasinconductiontypeplanarthermalreservoir~withsomecharacteristicsoffractureconvectivebandedthermalreservoir.ThethermalreservoirmethodwasadoptedtoconductevaluationofthegeothermalresourcequantityoftheXininggeothermalfield.The收稿日期:2014—05-04;改回日期:2014-
8、10-10基金項(xiàng)目:中國(guó)地質(zhì)調(diào)查局項(xiàng)目“全國(guó)地?zé)豳Y源調(diào)查評(píng)價(jià)”(12120l1220842)資助。作者簡(jiǎn)介:趙振,男,19