赫章片区地热地质条件特征及勘查远景探讨
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摘要
区域性北西向紫云-垭都深大断裂带斜贯县境,其上下盘次级构造,层间破碎带及挽近期构造发育,具有中低温地热资源有利地热地质条件;潜在地热资源丰富,具有开发价值热储层为第一热储单元和第二热储单元的白云岩,以混合热储构造类型为主,其次是层状带状热储构造类型。根据地热地质条件,结合已成井成果资料,预测了六个靶区。
The regional NW-trending Ziyun-Yadu deep-large fault zone obliquely runs through the county boundary. The secondary structures in the upper and lower walls,the strata-trending fracture zones and the recent tectonic development have favorable geothermal geological conditions for low-to-medium temperature geothermal resources. The potential geothermal resources are abundant. The development value of the thermal reservoir is the dolomite of the first thermal reservoir unit and the second thermal reservoir unit. It is mainly composed of mixed heat reservoirs,followed by stratified banded thermal reservoir structures. According to geothermal geological conditions,combined with well completion data,six target areas are predicted.
The regional NW-trending Ziyun-Yadu deep-large fault zone obliquely runs through the county boundary. The secondary structures in the upper and lower walls,the strata-trending fracture zones and the recent tectonic development have favorable geothermal geological conditions for low-to-medium temperature geothermal resources. The potential geothermal resources are abundant. The development value of the thermal reservoir is the dolomite of the first thermal reservoir unit and the second thermal reservoir unit. It is mainly composed of mixed heat reservoirs,followed by stratified banded thermal reservoir structures. According to geothermal geological conditions,combined with well completion data,six target areas are predicted.
引文
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贺光泽,等.2006.石阡县中深地热资源赋存特征及开发前景[J].贵州地质,23(增刊):127-131.
黎治忠,刘秀伟.2006.贵州省混合型热储地热资源勘察技术简述[J].贵州地质,23(增刊):132-137.
李志成,申娴达.2014.息烽新萝地热井成因浅析[J].地质与勘探,50(6):1155-1159.
王明章,王尚彦.2007.贵州地热资源开发问题及对策建议[J].贵州地质,34(3):9-12.
吴桂斌,王鹏,王晓峰,等.2015.铜仁市地热水水化学类型及主要组分成因分析[J].地下水,37(4):4-7.
汪磊,张海.2016.贵州西部威水背斜地热赋存规律及靶区预测研究[J].中国地质调查,3(6):26-31.
杨胜元,杨秀中,张建江.2008.试论贵州省地下热水类型[J].贵州地质,25(2):128-132.