| 惠民凹陷临盘油田沙二下亚段储层成岩演化 |
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| 引用本文： | 邱隆伟,姜在兴,操应长. 惠民凹陷临盘油田沙二下亚段储层成岩演化[J]. 中国石油大学学报(自然科学版), 1997, 0(4) |
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| 作者姓名： | 邱隆伟 姜在兴 操应长 |
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| 作者单位： | 石油大学石油资源科学系 |
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| 摘 要： | 通过取心井的岩心观察和室内分析，结合沉积微相的研究，探讨了临盘油田沙二下亚段成岩作用特点，建立了滩坝沉积的埋藏成岩演化模式．通过研究认为，尽管沙二下亚段埋藏较浅，但成岩作用已达到晚成岩Ａ１期，储层总体上处于弱压实、弱胶结状态，次生孔隙较发育．由于沉积和成岩作用的共同影响，处于原始高位的坝顶砂岩为较好的油气储层．
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| 关 键 词： | 临盘油田；沙二下亚段；成岩作用；成岩演化；沉积模式 |
DIAGENETIC EVOLUTIONARY PATTERN OF THE LOWER Es 2 IN LINPAN OILFIELD OF HUIMIN DEPRESSION |
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| Qiu Longwei,Jiang Zaixing,Cao Yingchang. DIAGENETIC EVOLUTIONARY PATTERN OF THE LOWER Es 2 IN LINPAN OILFIELD OF HUIMIN DEPRESSION[J]. Journal of China University of Petroleum (Edition of Natural Sciences), 1997, 0(4) |
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| Authors: | Qiu Longwei Jiang Zaixing Cao Yingchang |
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| Abstract: | On the basis of core observation and laboratory analysis, as well as study on sedimentary microface, the paper deals with diagenesis and its control over reservoir properties of the lower Es 2 in Linpan oilfield.The diagenetic evolutionary pattern of shallowlly buried bar sandstone is set up. The study showed that the reservoir of Es 3 in Linpan oilfield has been weakly compacted because of shallowlly buried and weakly cemented with abundent secondary porosity. The diagenesis of lower Es 2 reached stage A 1 of tedodiagenesis. Sand in top bar microface is good reservoir under the control of sediment and diagenesis. |
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| Keywords: | Linpan oilfield Lower Es 2 Diagenesis Diagenetic evolution Depositional model |
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