POSSIBLE TIGHT SANDSTONE GAS RESERVOIRS IN TAIHSI BASIN
POSSIBLE TIGHT SANDSTONE GAS RESERVOIRS IN TAIHSI BASIN
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发表时间：
2014
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通讯作者：
P. Jiju
中科院分区：
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作者：
P. Jiju
根据致密砂岩气藏成藏机理，应用烃源岩及储层孔隙度、渗透率等参数对太西盆地致密砂岩气藏发育条件进行了研究。成藏机理研究认为，致密砂岩的天然气成藏与烃源岩赋存状态、储层、密封和保存条件有关。太西盆地具有较好的致密砂岩气藏形成条件和广阔的天然气成藏潜力区。东部陆域白垩统-下中新统、南日坳陷（西部海域）白垩统-始新统、澎湖坳陷（西部海域）下始新统是盆地致密砂岩气藏的有利地层。
Following the gas accumulation mechanism in tight sandstone reservoirs,hydrocarbon source rocks and reservoirs parameters(such as porosity and permeability)were applied to research the development conditions of tight sandstone gas reservoirs in the Taihsi Basin.The study of accumulation mechanism suggests that gas accumulation in tight sandstone is related to the occurrence of source rocks,reservoirs,sealing and preservation conditions.The Taihsi Basin has good conditions for forming tight sandstone gas reservoirs and vast potential areas for natural gas accumulation.The Cretaceous-lower Miocene in the eastern land area,the Cretaceous-Eocene in the Nanri Depression(the western waters),and the lower Eocene in the Penghu Depression(the western waters)are favorable strata for tight sandstone gas reservoirs in the Basin.