Discussion on evaluation methodology of hydrothermal geothermal reservoir
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摘要
Geothermal reservoir are the vehicle of geothermal resources and their occurrence as well as the storage mass. Precise description and evaluation of geothermal reservoir serves to be the cornerstone of geothermal resource exploration and exploitation. Based on the principles and basic train of geothermal reservoir evaluation, in this work, the content of geothermal reservoir evaluation was determined and the value range of geothermal reservoir evaluation parameters was discussed in combination with the actual production data of two types of geothermal reservoir in North China: The Neogene Guantao Formation sandstone pore-type geothermal reservoir, and the CambrianOrdovician and Middle Proterozoic Jixian carbonate karst-fissure-type geothermal reservoir. An evaluation method for the sandstone pore-type and the carbonate karstfissure-type geothermal reservoir is finally established based on the analysis of the production data, i.e. the values of geothermal reservoir temperature, geothermal fluid production, reinjection, physical properties and other parameters are assigned, and the geometric average value of the assigned values for the above-mentioned parameters is taken as the overall evaluation index of geothermal reservoir. From large to small, this index categorizes geothermal reservoir into three grades:Ⅰ, Ⅱ and Ⅲ, which corresponds to advantageous, moderate advantageous and disadvantageous geothermal reservoir respectively. The geothermal reservoir of the same grade are further classified in light of the index value, thus realizing the comprehensive evaluation of geothermal reservoir.
Geothermal reservoir are the vehicle of geothermal resources and their occurrence as well as the storage mass. Precise description and evaluation of geothermal reservoir serves to be the cornerstone of geothermal resource exploration and exploitation. Based on the principles and basic train of geothermal reservoir evaluation, in this work, the content of geothermal reservoir evaluation was determined and the value range of geothermal reservoir evaluation parameters was discussed in combination with the actual production data of two types of geothermal reservoir in North China: The Neogene Guantao Formation sandstone pore-type geothermal reservoir, and the CambrianOrdovician and Middle Proterozoic Jixian carbonate karst-fissure-type geothermal reservoir. An evaluation method for the sandstone pore-type and the carbonate karstfissure-type geothermal reservoir is finally established based on the analysis of the production data, i.e. the values of geothermal reservoir temperature, geothermal fluid production, reinjection, physical properties and other parameters are assigned, and the geometric average value of the assigned values for the above-mentioned parameters is taken as the overall evaluation index of geothermal reservoir. From large to small, this index categorizes geothermal reservoir into three grades:Ⅰ, Ⅱ and Ⅲ, which corresponds to advantageous, moderate advantageous and disadvantageous geothermal reservoir respectively. The geothermal reservoir of the same grade are further classified in light of the index value, thus realizing the comprehensive evaluation of geothermal reservoir.
Geothermal reservoir are the vehicle of geothermal resources and their occurrence as well as the storage mass. Precise description and evaluation of geothermal reservoir serves to be the cornerstone of geothermal resource exploration and exploitation. Based on the principles and basic train of geothermal reservoir evaluation, in this work, the content of geothermal reservoir evaluation was determined and the value range of geothermal reservoir evaluation parameters was discussed in combination with the actual production data of two types of geothermal reservoir in North China: The Neogene Guantao Formation sandstone pore-type geothermal reservoir, and the CambrianOrdovician and Middle Proterozoic Jixian carbonate karst-fissure-type geothermal reservoir. An evaluation method for the sandstone pore-type and the carbonate karstfissure-type geothermal reservoir is finally established based on the analysis of the production data, i.e. the values of geothermal reservoir temperature, geothermal fluid production, reinjection, physical properties and other parameters are assigned, and the geometric average value of the assigned values for the above-mentioned parameters is taken as the overall evaluation index of geothermal reservoir. From large to small, this index categorizes geothermal reservoir into three grades:Ⅰ, Ⅱ and Ⅲ, which corresponds to advantageous, moderate advantageous and disadvantageous geothermal reservoir respectively. The geothermal reservoir of the same grade are further classified in light of the index value, thus realizing the comprehensive evaluation of geothermal reservoir.
引文
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CHEN Hong.2004.Evaluation methods of geothermal resources and classification of resources/reserves.Geothermal Energy,(1):16-19.
CHEN Mo-xiang.1991.Distribution and application of Chinese geothermal resources.Natural Resource,(5):40-46.
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CHEN Mo-xiang.1988.North China geothermal.Beijing:Science Press.
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DUAN Zhong-feng.2007.Numerical simulation and recharge analysis of thermal reservoir of Wumishan Formation in Cangxian uplift.Henan:Henan Polytechnic University.
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HE Zhi-liang,WEI Xiu-cheng,et al.2011.Forming mechanism and distribution prediction of quality marine carbonate reservoirs.Oil&Gas Geology,32(4):489-498.
LI Yuan-jie.2010.Studies on geothermal reinjection of tracer technology and simulation of geothermal reservoir.Beijing:Chinese Academy of Geological Sciences.
LIANG Hong-bin,QIAN Zheng,XIN Zi-liang.2010.Assessment and development of geothermal resources in Jizhong depression.China Petroleum Exploration,(5):63-68.
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MA Rui.2007.Studies on the genesis and water-Rock interaction of carbonate reservoir with buried middle-low temperature hot water:A case study of Taiyuan,Shanxi Province.Wuhan:China University of Geosciences.
MA Yong-sheng,MEI Ming-xiang,et al.1999.Carbonate reservoir sedimentology.Beijing:Geological Publishing House.
Nation Standard of the People’s Republic of China.2010.Geologic exploration standard of geothermal resources.GB/T 11615-2010.
QIU Nan-sheng,HU Sheng-biao,HE Li-juan.2004.Theory and application of thermal system research in sedimentary basins(1st version).Beijing:Petroleum Industry Publishing House.
REN Zhan-li.2000.Comparison of thermal evolution history in sedimentary basins,North China.Oil&Gas Geology,21(1):33-37.
SHI Shang-ming,ZHU Huan-lai,et al.2004.Establishment and application of quantitative appraisal system for geothermal resources in sedimentary basin.Journal of Daqing Petroleum Institute,28(5):4-9,101.
WANG Ji-yang.1997.Review and prospect on geothermal studies in China in recent years.Acta Geophysica Sinica,40(s):249-256.
WANG Liang-shu,LIU Shao-wen,et al.2002.Distribution features of heatflow in Bohai Bay basin.Chinese Science Bulletin,47(2):151-155.
XU Shi-guang,GUO Yuan-sheng.2009.Basics of geothermics.Beijing:Technology Press.
YAN Dun-shi,YU Ying-tai.2000.Evaluation and utilization of geothermal resource in Beijing-Tianjin-Hebei oil regions.Beijing:China University of Geosciences Press.
YANG Yu-tong.1983.Formation and evaluation of geothermal resources.Hydrogeology and Engineering Geology,5:15-17.
ZHOU Rui-liang,LIU Qi-sheng,et al.1987.The geological features and exploitive prospects of the salient-type bed-rock geothermal field of Niutuozhen in the fault basin of North China.Bulletin of the 562Comprehensive Geological Team,Chinese Academy of Geological Sciences,(7-8):17-35.
CHEN Hong.2004.Evaluation methods of geothermal resources and classification of resources/reserves.Geothermal Energy,(1):16-19.
CHEN Mo-xiang.1991.Distribution and application of Chinese geothermal resources.Natural Resource,(5):40-46.
CHEN Mo-xiang,WANG Ji-yang,DENG Xiao.1994.China’s geothermal resources:Formaion features and potential evaluation.Beijing:Science Press.
CHEN Mo-xiang.1988.North China geothermal.Beijing:Science Press.
DAI Wen-yu 2007.Research on formation mechanism and production performance of geothermal resources in Beijing area.Beijing:China University of Geosciences.
DING Lei,SONG Shao-jun,et al.2004.An application of exploration techniques to geothermal resources and its prospect.Jilin Geology,23(4):113-117.
DUAN Zhong-feng.2007.Numerical simulation and recharge analysis of thermal reservoir of Wumishan Formation in Cangxian uplift.Henan:Henan Polytechnic University.
GONG Yu-ling,WANG Liang-shu,et al.2003.Distribution characteristics of geotemperature field in Jiyang depression,Shandong,North China.Chinese Journal of Geophysics,46(5):652-658.
HE Zhi-liang,WEI Xiu-cheng,et al.2011.Forming mechanism and distribution prediction of quality marine carbonate reservoirs.Oil&Gas Geology,32(4):489-498.
LI Yuan-jie.2010.Studies on geothermal reinjection of tracer technology and simulation of geothermal reservoir.Beijing:Chinese Academy of Geological Sciences.
LIANG Hong-bin,QIAN Zheng,XIN Zi-liang.2010.Assessment and development of geothermal resources in Jizhong depression.China Petroleum Exploration,(5):63-68.
LIU Shi-bin.2005.Utilization and conservation of geothermal resources.Beijing:Chemistry Industry Press.
LU Qing-hua,ZHANG Xiao-xi,HE Zuo-yun.2012.Analyses on global development of terrestrial heat utilization.Energy Conservation and Emission Reduction in Petroleum and Petrochemical Industry,2(1):39-42.
MA Rui.2007.Studies on the genesis and water-Rock interaction of carbonate reservoir with buried middle-low temperature hot water:A case study of Taiyuan,Shanxi Province.Wuhan:China University of Geosciences.
MA Yong-sheng,MEI Ming-xiang,et al.1999.Carbonate reservoir sedimentology.Beijing:Geological Publishing House.
Nation Standard of the People’s Republic of China.2010.Geologic exploration standard of geothermal resources.GB/T 11615-2010.
QIU Nan-sheng,HU Sheng-biao,HE Li-juan.2004.Theory and application of thermal system research in sedimentary basins(1st version).Beijing:Petroleum Industry Publishing House.
REN Zhan-li.2000.Comparison of thermal evolution history in sedimentary basins,North China.Oil&Gas Geology,21(1):33-37.
SHI Shang-ming,ZHU Huan-lai,et al.2004.Establishment and application of quantitative appraisal system for geothermal resources in sedimentary basin.Journal of Daqing Petroleum Institute,28(5):4-9,101.
WANG Ji-yang.1997.Review and prospect on geothermal studies in China in recent years.Acta Geophysica Sinica,40(s):249-256.
WANG Liang-shu,LIU Shao-wen,et al.2002.Distribution features of heatflow in Bohai Bay basin.Chinese Science Bulletin,47(2):151-155.
XU Shi-guang,GUO Yuan-sheng.2009.Basics of geothermics.Beijing:Technology Press.
YAN Dun-shi,YU Ying-tai.2000.Evaluation and utilization of geothermal resource in Beijing-Tianjin-Hebei oil regions.Beijing:China University of Geosciences Press.
YANG Yu-tong.1983.Formation and evaluation of geothermal resources.Hydrogeology and Engineering Geology,5:15-17.
ZHOU Rui-liang,LIU Qi-sheng,et al.1987.The geological features and exploitive prospects of the salient-type bed-rock geothermal field of Niutuozhen in the fault basin of North China.Bulletin of the 562Comprehensive Geological Team,Chinese Academy of Geological Sciences,(7-8):17-35.