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| 西峰油田三叠系延长组长2_2砂层组沉积相分析 | |
| 引用本文： | 陈岑,李杉杉,刘丹丹.西峰油田三叠系延长组长2_2砂层组沉积相分析[J].四川地质学报,2010,30(1):37-40. |
| 作者姓名： | 陈岑 李杉杉 刘丹丹 |
| 作者单位： | 1. 长江大学,湖北荆州,434023 2. 中石油川庆钻探公司,西安,710000 3. 中石油渤海钻探公司,天津30452 |
| 摘 要： | 通过对西峰油田三叠系延长组长22砂层组的泥岩颜色、岩石类型、沉积构造、生物化石、沉积层序以及单井相等的研究,认为延长组长22油层主要沉积相为正常三角洲沉积。三角洲平原是该区三角洲砂体堆积的主体。可进一步辨别出分流河道、天然堤、分流间湾及决口扇4个微相。 |
| 关 键 词： | 鄂尔多斯盆地 三角洲沉积 长2 2油层 西峰油田 |
Sedimentary Facies of the Sandstone Bed 2_2 of the Triassic Yanchang Formation in the Xifeng Oilfield |
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| CHEN Cen,LI Shanshan,LIU Dandan.Sedimentary Facies of the Sandstone Bed 2_2 of the Triassic Yanchang Formation in the Xifeng Oilfield[J].Acta Geologica Sichuan,2010,30(1):37-40. | |
| Authors: | CHEN Cen LI Shanshan LIU Dandan |
| Institution: | 1Changjiang University, Jingzhou, Hubei 434023; 2-Chuanqing Drilling Company, PetroChina Company Limited, Xi＇an 710000; 3-Bohai Drilling Company, China national Offshore Oil Corporation, Tianjin 300452) |
| Abstract: | A study of lithologic character,sedimentary structure,fossils,sequence and sedimentary facies indicates that the sandstone bed 22 of the Triassic Yanchang Formation in the Xifeng Oilfield is a normal delta deposit.It may be divided into 4 microfacies such as dstributary channel,natural levee,interdistributary bay and crevasse splay. |
| Keywords: | Ordos basin delta deposit sandstone bed 22 of the Triassic Yanchang Formation Xifeng Oilfield |
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