| 柴西南跃进斜坡区下干柴沟组层序地层研究 |
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| 引用本文： | 王波,薛建勤,崔晓松,曹彤,丁旭光,郭少斌.柴西南跃进斜坡区下干柴沟组层序地层研究[J].石油实验地质,2012,34(4):383-387. |
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| 作者姓名： | 王波 薛建勤 崔晓松 曹彤 丁旭光 郭少斌 |
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| 作者单位： | 1.中国石油青海油田勘探开发研究院, 甘肃敦煌736202 |
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| 基金项目： | 中国石油天然气股份有限公司科技重大专项“柴达木盆地油气勘探开发关键技术研究”(07-01Z)资助 |
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| 摘 要： | 采用钻/测井、地震及自然伽马能谱测井的方法,对柴达木盆地跃进斜坡区下干柴沟组进行了高分辨率层序地层研究。下干柴沟组可分为上下两段,可识别出9个层序界面,进而划分出8个四级层序。根据岩心观察认为柴西南跃进斜坡区为辩状河三角洲沉积,研究区主体处于辩状河三角洲前缘相带。结合砂体展布、构造及地震反演,在下干柴沟组层序Ⅲ预测2个可能的岩性圈闭有利区带,是进一步勘探的有利目标。
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| 关 键 词： | 层序地层 有利目标 下干柴沟组 始新统 跃进斜坡区 柴达木盆地 |
| 收稿时间： | 2012-03-01 |
Sequence stratigraphy of Lower Ganchaigou Formation in Yuejin Slope,southwestern Qaidam Basin |
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| Wang Bo,Xue Jianqin,Cui Xiaosong,Cao Tong,Ding Xuguangi,Guo Shaobin.Sequence stratigraphy of Lower Ganchaigou Formation in Yuejin Slope,southwestern Qaidam Basin[J].Petroleum Geology & Experiment,2012,34(4):383-387. |
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| Authors: | Wang Bo Xue Jianqin Cui Xiaosong Cao Tong Ding Xuguangi Guo Shaobin |
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| Affiliation: | 1.Research Institute of Petroleum Exploration and Development, Qinghai Oil Field, PetroChian, Dunhuang, Gansu 736202, China2. School of Energy Resources, China University of Geosciences, Beijing 100083, China |
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| Abstract: | Sequence stratigraphic studies with high resolution were carried out in the Lower Ganchaigou Formation in the Yuejin Slope of the Qaidam Basin by means of drilling/logging,seismic and natural gamma ray spectrometry logging methods.The Lower Ganchaigou Formation was divided into 2 sections vertically.9 sequence boundaries and 8 fourth-order sequences were identified.Based on core observation,the Yuejin Slope was a braided-river delta,and the study area was mainly of braided-river delta front facies.Combined with the studies of sand body distribution,structure and seismic inversion,2 possible favorable zones of lithologic trap were predicted in sequence Ⅲ of the Lower Ganchaigou Formation. |
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