川西北九龙山地区下侏罗统自流井组珍珠冲段沉积相研究

江文剑; 侯明才; 马华灵; 李勇; 王文楷

川西北九龙山地区下侏罗统自流井组珍珠冲段沉积相研究

江文剑^1,,
侯明才^{1, 2},
马华灵³,
李勇⁴,
王文楷²

1.
成都理工大学沉积地质研究院, 成都 610059
2.
油气藏地质及开发工程国家重点实验室, 成都 610059
3.
中国石油西南油气田分公司川西北气矿, 四川江油 621709
4.
核工业208研究所, 四川广汉 618300

基金项目:

高等学校博士学科点专项科研基金项目 20115122110002

详细信息

作者简介:
江文剑（1984-），男，硕士研究生。主要从事储层沉积学方面研究。E-mail：452121871@qq.com

中图分类号: TE121.3
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出版历程
- 收稿日期: 2013-09-23
- 刊出日期: 2014-03-01

RESEARCH ON SEDIMENTARY FACIES OF THE ZHENZHUCHONG SEGMENT IN THE LOWER JURASSIC ZILIUJING FORMATION IN JIULONGSHAN REGION, NORTHWEST SICHUAN BASIN

1.
Institute of sedimentary Geology of Chengdu University of Techonology, Chengdu 610059, China
2.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu 610059, China
3.
Northwest Sichuan Gas Field of PetroChina Southwest Oil & Gas Field Company, Jiangyou 621709, Sichuan, China
4.
No. 208 Research Institute of Nuclear Industry, Guanghan 618300, Sichuan, China

摘要

摘要: 根据单因素分析多因素综合作图法，对川西北九龙山地区珍珠冲段岩石学特征、沉积构造、植物化石特征等进行详细研究，并结合测井资料，分析九龙山地区珍珠冲段沉积相，深入研究其平面展布特征进行，探讨其演化规律，建立研究区沉积相发育模式。研究认为珍珠冲段沉积期九龙山地区主要发育湿地型扇三角洲相，并且发育一套正旋回的层序，为该地区油气勘探工作提供指导。
- 九龙山地区 /
- 珍珠冲段 /
- 扇三角洲 /
- 沉积相
Abstract: Based on the single factor analysis and multifactor comprehensive mapping method, a detailed study of the Jiulongshan region Zhenzhuchong segment lithology, sedimentary structures, fossil plants characteristics had been carried out. Combining with logging data analysis, the author studied the sedimentary facies and the plane distribution feature in-depth, discussed its evolution, and established sedimentary facies development patterns in the region. The result showed that the sedimentary facies in Jiulongshan region during Zhenzhuchong segment sedimentary period was a fan delta wetland, and it developed a positive cycle of the sequence, which provided guidance to oil and gas exploration in the region.
- Jiulongshan region /
- Zhenzhuchong Segment /
- fan delta /
- sedimentary facies

HTML全文

图 1 四川盆地构造略图^[3]

Figure 1. A tectonic map of Sichuan Basin

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图 2 九龙山地区下侏罗统综合柱状图

Figure 2. Comprehensive column of the Lower Jurassic in Jiulongshan area

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图 3 研究区主要岩石类型、生物化石、沉积构造类型

A—砾岩; B—砂岩; C—深灰色细沙岩; D—粉砂质泥岩; E—苏铁化石; F—底部冲刷面、叠瓦状构造及正粒序层理; G—滑塌变形构造; H—灰色灰黑色含泥质粉砂岩; I—劣质煤线; J—河道底部砾石及砾石间泥炭

Figure 3. Main types of rock, biological fossils and sedimentary structure in the study area

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图 4 研究区主要岩石类型微观特征

A—钙泥质粉砂岩, 40倍, 正交光; B—砾岩细粒岩屑石英砂岩, 20倍, 正交光; C—中粒钙质岩屑砂岩, 20倍, 正交光; D—细粒岩屑石英砂岩, 40倍, 正交光

Figure 4. Microscopic features of the main rock types in the study area

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图 5 砂岩类型投点图

Q—石英; F—长石; R—岩屑

Figure 5. Scatter diagram of the main sandstone types

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图 6 龙118井珍珠冲段沉积微相综合柱状图

Figure 6. Comprehensive column of sedimentary microfacies in Zhenzhuchong segment of Well Long 118

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图 7 龙110井成像测井特征图

A—交错层理; B—滑塌变形构造

Figure 7. Imagery logging characteristics of Well Long 110

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图 8 研究区沉积微相测井曲线特征

Figure 8. Logging features of sedimentary microfacies in the study area

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图 9 九龙山地区珍珠冲段早期沉积相图

Figure 9. Sedimentary facies in the early sedimentary period of Zhenzhuchong Segment

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图 10 九龙山地区珍珠冲段中期沉积相图

Figure 10. Sedimentary facies in the middle sedimentary period of Zhenzhuchong Segment

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图 11 九龙山地区珍珠冲段晚期沉积相图

Figure 11. Sedimentary facies in the late sedimentary period of Zhenzhuchong Segment

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图 12 扇三角洲沉积模式图

Figure 12. Depositional model diagram of fan delta

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图 13 九龙山地区珍珠冲段扇三角洲沉积剖面示意图

Figure 13. A sketch map of fan delta sedimentation in Zhenzhuchong Section in Jiulongshan area

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