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| 安塞油田延长组长6油层组沉积微相特征 | |
| 引用本文： | 党犇,赵虹,李文厚,杨晓奇,党永潮.安塞油田延长组长6油层组沉积微相特征[J].天然气地球科学,2004,15(6):597-600. |
| 作者姓名： | 党犇 赵虹 李文厚 杨晓奇 党永潮 |
| 作者单位： | 1.长安大学资源学院，陕西 西安 710054；2.西北大学地质学系，陕西 西安 710069；3.长庆油田分公司第一采油厂，陕西 延安 716000 |
| 基金项目： | 国家"973"项目(编号:2003CB214601)资助. |
| 摘 要： | 根据野外露头、岩芯、测井及相关测试资料,分析了鄂尔多斯盆地安塞油田晚三叠世延长组长6油层组的沉积微相。结果表明,长6油层组属三角洲前缘亚相沉积,水下分流河道、水下分流间湾及前缘席状砂构成其主要微相,缺少河口坝微相。水下分流河道砂为储集层骨架砂体。同时对长6油层组各小层沉积微相的时空展布特点进行了分析,认为油气的聚集受沉积微相的控制,水下分流河道微相为长6油层组良好的储集层,是研究区油气开发的方向。 |
| 关 键 词： | 沉积微相 延长组 长6油层组 安塞油田 鄂尔多斯盆地 |
| 文章编号： | 1672-1926(2004)06-0597-04 |
| 收稿时间： | 2004-07-20 |
CHARACTERISTIC OF SEDIMENTARY MICROFACIES IN CHANG 6 OIL-BEARING FORMATION OF YANCHANG FORMATION OF ANSAI OIL FIELD |
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| DANG Ben,ZHAO Hong,LI Wen-hou,YANG Xiao-qi,DANG Yong-chao.CHARACTERISTIC OF SEDIMENTARY MICROFACIES IN CHANG 6 OIL-BEARING FORMATION OF YANCHANG FORMATION OF ANSAI OIL FIELD[J].Natural Gas Geoscience,2004,15(6):597-600. | |
| Authors: | DANG Ben ZHAO Hong LI Wen-hou YANG Xiao-qi DANG Yong-chao |
| Affiliation: | 1.Institute of Resources, Chang'an University, Xi'an 710054, China; 2.Department of Geology, Northwest Universisy, Xi'an 710069, China; 3.No.1 Oil Producing Plant, Changqing Oilfield Branch Company, Yan'an 716000,China |
| Abstract: | According to the outcrop observing and the core describing as well as lots of data analyzing, it indicated that front-delta deposition is the main sedimentary system of Chang 6 in Ansai district. The distributary channel deposits, the inter-distributary deposits and the sands are the main sedimentary microfacies in the studied area while the point bar isn’t development. The distributary channel deposits is the main reservoir sands. The evolution and the distribution of the microfacies in every number have b... \r\n\r\n |
| Keywords: | Sedimentary microfacies Yanchang formation Chang 6 oil-bearing formation Ansai oil field Ordos basin |
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