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鄂尔多斯南部古生代储盖组合及评价 被引量:2

PALEOZOIC RESERVOIRCAP COMPLEX AND EVALUATION IN SOUTH ORDOS
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摘要 鄂尔多斯南部中寒武统张夏组白云岩晶间溶孔储层、下奥陶统亮甲山组上部白云岩溶蚀孔洞储层、下马家沟组三段层间岩溶带溶蚀膏模孔洞储层、上马家沟组二—四段层间岩溶带及风化壳岩溶带储层、中奥陶统平凉/泾河组台缘礁滩组合、后礁带及礁后滩,均是具有勘探前景的储层。全区自上而下划分出5套储盖组合,在7个勘探区块中,以第1。 Abstract Following reservoirs of Lower Paleozoic in South Ordos are prospective for oil and gas exploration:dolomiteintercrystalline pore reservoir of Middle Cambrian Zhangxia Formation;dolomitecorroded pore and vug reservoir of tidal flat facies of Lower Ordovician Liangjiashan Formation;gypsum castcorroded pore and vug reservoir of supratidal flat facies of the 3rd and 5th Members of Lower Ordovician Majiagou Formation;the interlayer karstweathered crust karst reservoirs of the 2nd~4th Members of the Upper Majiagou Formation;dolomite reservoirs of marginal reefbank complex of Middle Ordovician PingliangJinghe Formations.The shale and coal series of Upper Paleozoic Benxi~Taiyuan~Shanxi Formations serve as regional cap rocks.Five reservoircap rock complexes have been recognized,and within the seven prospecting target blocks in South Ordos,the first and second blocks have the best reservoircap rock assemblages.
出处 《石油与天然气地质》 EI CAS CSCD 北大核心 1998年第1期53-58,共6页 Oil & Gas Geology
基金 国家"八五"重点科技攻关专题
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  • 1冯增昭,鄂尔多斯地区早古生代岩相古地理,1991年,1页

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