| 隋少强,武明辉,刘金侠,周总瑛,汪新伟.京津冀地区奥陶系马家沟组热储特征研究[J].矿产勘查,2020,11(7):1436-1441 |
| 京津冀地区奥陶系马家沟组热储特征研究 |
| Geothermal reservoir characteristics of Ordovician Majiagou Formation in Beijing-Tianjin-Hebei region |
| 投稿时间：2020-04-27 |
| DOI： |
| 中文关键词: 热储 地热田 奥陶系 马家沟组 岩溶 京津冀地区 |
| 英文关键词: thermal reservoir, geothermal field, Ordovician strata,Majiagou Formation,karst, Beijing-Tianjin-Hebei region |
| 基金项目:中国石化集团重点科技项目(编号:JP19002-1)资助。 |
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| 中文摘要: |
| 通过对京津冀地区构造、地层等地质条件的综合分析,明确了奥陶系马家沟组热储的展布特征,明确了该热储厚度、热储物性的分布特点等。认为岩溶洞穴主要呈现顺层分布,顺层分布的洞穴具有岩性选择性,热储的发育主要受地层和沉积微相控制。奥陶系马家沟组主要发育于潮坪亚相,其中尤以灰坪最为发育,其次为云坪,再者为云灰坪。奥陶系岩溶裂隙型热储孔渗性较好,为高孔高渗热储。热源主要为大地热流,热水运移通道主要为山前深大断裂、盆地内深大断裂和不整合面,水源总体上来自于北部和西部的燕山和太行山脉。 |
| 英文摘要: |
| Based on the comprehensive analysis of the tectonic and stratigraphic conditions in the Beijing-Tianjin-Hebei region, the distribution characteristics of the thermal reservoir in the Majiagou formation of the Ordovician system, the thickness of the thermal storage and the distribution characteristics of the thermal reservoir properties are clarified. It is considered that the karst caves are mainly distributed along the layers, which have lithologic selectivity, and the development of thermal reservoir is mainly controlled by the formation and sedimentary microfacies. The O2m is mainly developed in the tidal-ping subfacies, especially in huiping, Yunping is the second. The Ordovician karst fissure thermal reservoir is of high porosity and permeability. The heat source is mainly terrestrial heat flow, the hot water migration channel is mainly piedmont deep and large faults, deep and large faults in the basin and unconformity surface, and the water source generally comes from the Yanshan and Taihang mountains in the north and west. |
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