| 柴达木盆地西南缘砂新1 井烃源岩评价 |
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| 引用本文： | 卿颖,罗金海,张敬艺,刘桂花,高雪峰.柴达木盆地西南缘砂新1 井烃源岩评价[J].新疆石油地质,2008,29(2):202-205. |
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| 作者姓名： | 卿颖 罗金海 张敬艺 刘桂花 高雪峰 |
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| 作者单位： | 1.中国石油冀东油田分公司勘探开发研究院, 河北唐山063004;2.西北大学地质学系大陆动力学国家重点实验室, 西安710069;3.中国石油青海油田分公司勘探开发研究院, 甘肃敦煌736202 |
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| 摘 要： | 对柴达木盆地西部坳陷的狮子沟-油砂山构造带上砂新1 井钻遇的古近系和新近系暗色泥岩的有机质丰度、类型和成熟度进行综合评价, 并对主要层段——下干柴沟组上段(E3x)和上干柴沟组(N1s)与邻井油源进行对比。烃源岩评价结果表明, 砂新1 井暗色泥岩主体为中等烃源岩, 有机质类型以Ⅱ1 型和Ⅱ2 型为主。上油砂山组(N22s)烃源岩处于低成熟阶段, 上干柴沟组(N1s)-下干柴沟组上段(E3x)烃源岩己进入成熟阶段。油源对比证实, 砂新1 井区油源与邻近各井不同, 主要表现为自生自储型, 这在一定程度上制约了砂新1 井区的油气成藏规模。
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| 关 键 词： | 柴达木盆地 狮子沟油田 烃源岩评价 油源对比 |
| 文章编号： | 1001-3873(2008)02-0202-04 |
| 收稿时间： | 2007-07-17 |
| 修稿时间： | 2007年7月17日 |
Evaluation of Source Rocks of Well Shaxin-1 in Southwestern Margin of Qaidam Basin |
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| QING Ying,LUO Jin-hai,ZHANG Jing-yi,LIU Gui-hua,GAO Xue-feng.Evaluation of Source Rocks of Well Shaxin-1 in Southwestern Margin of Qaidam Basin[J].Xinjiang Petroleum Geology,2008,29(2):202-205. |
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| Authors: | QING Ying LUO Jin-hai ZHANG Jing-yi LIU Gui-hua GAO Xue-feng |
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| Affiliation: | 1. Research Institute of Exploration and Development, Jidong Oilfield Company, PetroChina, Tangshan, Hebei 063004, China;2. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an, Shaanxi 710069, China;3. Research Institute of Exploration and Development, Qinghai Oilfield Company, PetroChina, Dunhuang, Gansu 736202, China |
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| Abstract: | The study on the comprehensive evaluation about the abundance of organic matter, type and maturity in dark mudstone of Paleogene and Neogene, ddrilled in Well Shaxin-1 on the structural belt of Shizigou-Youshashan in west deression of Qaidam basin and the oil-source correlation in the major layer of E3x and N1s of this well with its adjacent wells show that main part of the dark mudstone in Well Shaxin-1 is medium source rocks with organic matter of Type Ⅱ1 and Ⅱ2 . The source rock of N2 2s is in stage of low maturity, while those of N1s-E3x have entered mature stage. The correlation of oil sources indicates that the oil source from Well Block Shaxin-1 differs from adjacent wells areas and it assumes self-generating and self-storage type, which constraints the scale of hydrocarbon accumulation in some extent in Well Block Shaxin-1. |
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| Keywords: | Qaidam basin Shizigou oilfield source rock evaluation oil source correlation |
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