INPEFA技术在层序地层划分中的应用——以苏北盆地溱潼凹陷南华区块阜三段为例

袁野; 王黎; 谢锐杰

doi:10.11781/sysydz201806871

INPEFA技术在层序地层划分中的应用——以苏北盆地溱潼凹陷南华区块阜三段为例

doi: 10.11781/sysydz201806871

袁野¹,
王黎²,
谢锐杰^1, ,

1. 长江大学地球物理与石油资源学院, 武汉 430100;
2. 中国石油新疆油田分公司勘探开发研究院, 新疆克拉玛依 834000

基金项目:

国家科技重大专项“大型油气田及煤层气开发”（2016ZX05002-004-009）资助。

详细信息

作者简介:
袁野(1995-),男,硕士研究生,从事石油地质研究。E-mail:461736083@qq.com。

通讯作者:
谢锐杰(1965-),男,教授,博士生导师,从事层序地层与储层预测方面的科研和教学工作。E-mail:249539680@qq.com。

中图分类号: TE122.2
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出版历程
- 收稿日期: 2017-10-16
- 修回日期: 2018-05-18
- 刊出日期: 2018-11-28

Application of INPEFA technology to sequence stratigraphy of the third member of Funing Formation, Nanhua block, Qintong Sag, North Jiangsu Basin

YUAN Ye¹,
WANG Li²,
XIE Ruijie^{1
, ,}

1. College of Geophysics and Petroleum Resources, Yangtze University, Wuhan, Hubei 430100, China;
2. Research Institute of Exploration and Development of Xinjiang Oilfield Branch Company, Karamay, Xinjiang 834000, China

摘要

摘要: 最大熵谱分析技术是对测井曲线进行合成预测误差滤波分析处理，得到频率趋势线（INPEFA曲线），运用INPEFA曲线不同幅度的趋势拐点来识别不同级次层序界面。通过对苏北盆地溱潼凹陷南华区块阜三段GR曲线进行INPEFA处理，将阜三段III和IV油组划分为13个5级层序，进而在INPEFA曲线所建立的等时框架内对区块内距离相近的3口井进行井间的砂体连通性对比，得出在小层中各有2个连通性较好的砂层和油层组。INPEFA技术处理后的测井曲线可以提取出在常规测井曲线中隐藏的旋回趋势特征，从3口井变化趋势相近的INPEFA曲线来看，该区域的沉积环境变化大致相同，都是从水退到水进的过程。
- 最大熵谱分析 /
- INPEFA /
- 层序划分 /
- 溱潼凹陷 /
- 苏北盆地
Abstract: The maximum entropy spectrum analysis technique provides the frequency trend line (INPEFA curve) by analyzing the synthetic prediction error filtering of logging curves, and using the trend turning point of different amplitude of the INPEFA curve to identify the interface of different order sequences.Through the INPEFA treatment of the GR curves of the third member of Funing Formation in the Nanhua block in the Qintong Sag of the North Jiangsu Basin, the Ⅲ and IV oil groups were divided into 13 five-level sequences, and then the sand body connectivity among three wells with close distances within the block was compared in an isochronous framework established by INPEFA curves. Comparing the sand body connectivity, it was concluded that there were two sand layer groups and oil layer groups connected in the small layer. The logging curves processed by INPEFA technology can extract the characteristics of cyclic trends hidden in conventional logging curves. According to the INPEFA curves with similar trends in the three wells, the sedimentary environment in this area changed roughly the same, from regression to transgression.
- maximum entropy spectrum analysis /
- INPEFA /
- sequence division /
- Qintong Sag /
- North Jiangsu Basin

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参考文献(9)

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