牛驼镇凸起区干热岩地热资源赋存分布特征及开发利用前景
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摘要
综合分析研究牛驼镇凸起区大地热流值的分布、莫霍面深度、重磁特征和相关测温资料后,发现牛驼镇凸起区赋存的干热岩地热资源具有开发利用的价值。另外,对以往钻孔测温资料的整理研究发现,牛驼镇凸起区新生界地温梯度值介于3~13℃/hm,地温异常区面积达617.86 km~2,利用经验公式T(z)=T_0+q_0Z/K-AZ~2/2K,预测在-4 000 m水平地温最高可达200℃,在此基础上,采用体积法资源量估算公式Q=ρ×C_ρ×V×(T-T_0),按30%的估算系数计算,标高在-3 500~-4 000 m可预获干热岩地热资源量(热能)0.99×10~(19)J,折合标准煤3.39亿t。并对牛驼镇凸起区干热岩资源的开发利用前景进行了评价和建议。
Distribution of terrestrial heat flow,the moho depth,gravitational field characteristics,magnetic field characteristics and temperature measurement data were analyzed,and the conclusion shown that there existed abundant hot-dry-rock storage in this region. And then,through the study on the data of previous borehole temperature data,it was found that the geothermal gradient in the Cenozoic in Niutuozhen uplift is between 3 ~ 13 ℃/hm,and the abnormal region is about 617. 86 km~2,by using the formula T( z) = T_0+ q_0 Z/K-AZ~2/2 K,the predicted ground temperature can reach 200 ℃ at-4 000 m underground. Based on the above results,by using the formula Q = ρ × C_ρ× V ×( T-T0),according to the 30% calculation coefficient,the results showed that the resource amount at the elevation of-3 500 ~-4 000 m could reach 0. 99 × 10~(19) J,which was equivalent to the heat of 0. 339 billion tons of standard coal. In the end,the development and utilization of dry hot rock resources in Niutuozhen uplift were evaluated and recommended.
Distribution of terrestrial heat flow,the moho depth,gravitational field characteristics,magnetic field characteristics and temperature measurement data were analyzed,and the conclusion shown that there existed abundant hot-dry-rock storage in this region. And then,through the study on the data of previous borehole temperature data,it was found that the geothermal gradient in the Cenozoic in Niutuozhen uplift is between 3 ~ 13 ℃/hm,and the abnormal region is about 617. 86 km~2,by using the formula T( z) = T_0+ q_0 Z/K-AZ~2/2 K,the predicted ground temperature can reach 200 ℃ at-4 000 m underground. Based on the above results,by using the formula Q = ρ × C_ρ× V ×( T-T0),according to the 30% calculation coefficient,the results showed that the resource amount at the elevation of-3 500 ~-4 000 m could reach 0. 99 × 10~(19) J,which was equivalent to the heat of 0. 339 billion tons of standard coal. In the end,the development and utilization of dry hot rock resources in Niutuozhen uplift were evaluated and recommended.
引文
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[15]陈梓慧,郑克棪,姜建军,等.试论我国干热岩地热资源开发战略[J].水文地质工程地质,2015,42(3):161-166.Chen Zihui,Zheng Keyan,Jiang Jianjun,et al.Discussion on the development strategy of hot dry rock in China[J].Hydrogeology&Engineering Geology,2015,42(3):161-166.
[16]杨立中,孙占学,刘金辉,等.中国典型干热岩潜力区的地热深井部署[J].地质与勘探,2017,53(2):355-359.Yang Lizhong,Sun Zhanxue,Liu Jinhui,et al.On deployment of high-temperature deep geothermal wells in typical areas with hot dry rock potential in China[J].Geology And Exploration,2017,53(2):355-359.
[2]甘浩男,王贵玲,蔺文静,等.中国干热岩资源主要赋存类型与成因模式[J].科技导报,2015,33(19):22-27.Gan Haonan,Wang Guiling,Lin Wenjing,et al.Research on the occurrence types and genetic models of hot dry rock resources in China[J].Science&Technology Review,2015,33(19):22-27.
[3]康玲,王时龙,李川.增强地热系统EGS的人工热储技术[J].机械设计与制造,2008(9):141-143.Kang Ling,Wang Shilong,Li Chuan.Reservoir technology in enhanced geothermal systems[J].Machinery Design&Manufacture,2008(9):141-143.
[4]蔺文静,刘志明,王婉丽,等.中国地热资源及其潜力评估[J].中国地质,2013,40(1):312-321.Lin Wenjing,Liu Zhiming,Wang Wanli,et al.The assessment of geo thermal resources potential of China[J].Geology in China,2013,40(1):312-321.
[5]汪集旸,胡圣标,庞忠和,等.中国大陆干热岩地热资源潜力评估[J].科技导报,2012,30(32):25-30.Wang Jiyang,Hu Shengbiao,Pang Zhonghe,et al.Estimate of geothermal resources potential for hot dry rock in the continental area of China[J].Science&Technology Review,2012,30(32):25-30.
[6]冉恒谦,冯起赠.我国干热岩勘查的有关技术问题[J].探矿工程(岩土钻掘工程),2010,37(10):17-21.Ran Hengqian,Feng Qizeng.Some technical issues on hot dry rock exploration in China[J].Exploration Engineering(Rock&Soil Drilling and Tunneling),2010,37(10):17-21.
[7]周瑞良,刘琦胜,张晶,等.华北断陷盆地牛驼镇基岩高凸起型热田地质特征及其开发前景[C]//中国地质科学院652综合大队集刊(第7、8号).北京:地质出版社,1989:22-23.
[8]上官拴通.马头营区干热岩地热资源赋存分布特征及开发利用前景[J].能源与环保,2017,39(5):155-159.Shangguan Shuantong.Occurrence conditions of hot-dry-rock geothermal resources and development prospects in Matouying area[J].China Energy and Environmental Protection,2017,39(5):155-159.
[9]李弘,俞建宝,吕慧,等.雄县地热田重磁响应及控热构造特征研究[J].物探与化探,2017,41(2):243-244.Li Hong,Yu Jianbao,LüHui,et al.Gravity and aeromagnetic responses and heat-controlling structures of Xiongxian geothermal area[J].Geophysical and Geochemical Exploration,2017,41(2):243-244.
[10]高维,舒晴,谢顺盛,等.琼北新生代火山构造的航磁异常特征及其地质意义[J].地质评论,2016,62(1):235-245.Gao Wei,Shu Qing,Xie Shunsheng,et al.Aeromagnetic anomalies of cenozoic volcanic structure in northern hainan island and its geological significance[J].Geological Review,2016,62(1):235-245.
[11]上官拴通,齐晓飞.河北省柏乡县干热岩地热资源前景分析[J].中国煤炭地质,2016,28(10):41-43.Shangguan Shuantong,Qi Xiaofei.Hot-dry-rock(HDR)geothermal resource prospect analysis in Baixiang County[J].Coal Geology of China,2016,28(10):41-43.
[12]杨方,李静,任雪娇.中国干热岩勘查开发现状[J].资源环境与工程,2012,26(4):339-341.Yang Fang,Li Jing,Ren Xuejiao.Prospecting and exploitative present situation of hot dry rock in China[J].Resources Environment&Engineering,2012,26(4):339-341.
[13]蔺文静,刘志明,马峰,等.我国陆区干热岩资源潜力估算[J].地球学报,2012,33(5):807-811.Lin Wenjing,Liu Zhiming,Ma Feng,et al.An estimation of HDR resources in China's mainland[J].Acta Geoscientica Sinica,2012,33(5):807-811.
[14]陈墨香,汪集肠,汪缉安,等.华北断陷盆地热场特征及其形成机制[J].地质学报,1990(1):80-91.Chen Moxiang,Wang Jichang,Wang Ji'an,et al.Characteristics of the geothermal field and its for mation mechanism in the north China down-faulted basin[J].Acta Geologica Sinica,1990(1):80-91.
[15]陈梓慧,郑克棪,姜建军,等.试论我国干热岩地热资源开发战略[J].水文地质工程地质,2015,42(3):161-166.Chen Zihui,Zheng Keyan,Jiang Jianjun,et al.Discussion on the development strategy of hot dry rock in China[J].Hydrogeology&Engineering Geology,2015,42(3):161-166.
[16]杨立中,孙占学,刘金辉,等.中国典型干热岩潜力区的地热深井部署[J].地质与勘探,2017,53(2):355-359.Yang Lizhong,Sun Zhanxue,Liu Jinhui,et al.On deployment of high-temperature deep geothermal wells in typical areas with hot dry rock potential in China[J].Geology And Exploration,2017,53(2):355-359.