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| Keywords | |
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Nanpu Depression |
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Lower Paleozoic reservoirs |
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fluid inclusions |
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homogenization temperature |
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hydrocarbon accumulation phases |
| Authors | |
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ZHU Wen-Hui |
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QU Xi-Yu |
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ZHA Ming |
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QIU Long-Wei |
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ZHANG Hong-Chen |
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TANG Hui |
| PubMed | |
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Article by Zhu, W. H. |
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Article by Qu, X. Y. |
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Article by Zha, M. |
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Article by Qiu, L. W. |
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Article by Zhang, H. C. |
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Article by Tang, H. |
Study on fluid inclusion characteristics of Lower Paleozoic reservoirs in Nanpu Depression and hydrocarbon accumulation phases
ZHU Wen-Hui, QU Xi-Yu, ZHA Ming, QIU Long-Wei, ZHANG Hong-Chen, TANG Hui
1. Faculty of Geosciences��China University of Petroleum��Qingdao 266580��Shandong��China; 2. Jidong Oilfield Company of PetroChina��Tangshan 063004��Hebei��China; 3. ��esearch Institute of Petroleum Exploration and Development��Beijing 100083��China
Based on observations of transmission light and fluoroscope as well as on measuring of homogeniza- tion temperature of fluid inclusions��the characteristics of fluid inclusions and hydrocarbon accumulation phases of the Lower Paleozoic carbonate reservoir in Nanpu Depression are discussed�� The results indicate that the fluid inclu- sions are relatively abundant with zonal distribution along the healed fracture in carbonate veins of Nanpu Depres- sion�� Organic inclusions present yellowish white and blue- white fluorescents��which indicates a higher maturity of oil and gas in this area�� Homogenization temperatures measured in aqueous inclusions associated with hydrocarbon ones show a bimodal distribution with 70�� ��80�� and 130�� ��140�� as double peaks�� Combined with burial his- tory and thermal evolution history��the Lower Paleozoic carbonate reservoirs in Nanpu Depression experienced two hydrocarbon accumulation phases��corresponding to 25 ��22 Ma (from the late Dongying stage to the early Guantao stage) and 8 ��5 Ma (the middle minghuazhen stage)��