致密油薄砂体储层预测技术及应用实效——以松辽盆地敖南区块下白垩统泉头组为例

doi:10.12108/yxyqc.20210122

岩性油气藏 ›› 2021, Vol. 33 ›› Issue (1): 239–247.doi: 10.12108/yxyqc.20210122

致密油薄砂体储层预测技术及应用实效——以松辽盆地敖南区块下白垩统泉头组为例

曹思佳¹, 孙增玖², 党虎强², 曹帅³, 刘冬民², 胡少华²

1. 东北石油大学地球科学学院, 黑龙江大庆 163318;
2. 东方地球物理勘探有限责任公司地质研究中心, 河北涿州 072750;
3. 中国地质大学(北京)地球科学与资源学院, 北京 100083

收稿日期:2020-07-01 修回日期:2020-09-20 出版日期:2021-02-01 发布日期:2021-01-25
通讯作者: 胡少华(1964-),男,博士,教授级高级工程师,主要从事石油地球物理勘探方面的研究工作。Email:hushaohua@cnpc.com.cn。 E-mail:hushaohua@cnpc.com.cn
作者简介:曹思佳(1992-),女,东北石油大学在读博士研究生,研究方向为石油地质综合研究。地址:(163318)黑龙江省大庆市龙凤区学府街99号东北石油大学地球科学学院。Email:caosijiacanzi@163.com
基金资助:
国家自然科学基金“致密储层多尺度一体化表征技术研究”（编号：41772144）资助

Prediction technology of tight oil thin sand reservoir and its application effect: a case study of Lower Cretaceous Quantou Formation in Aonan block,Songliao Basin

CAO Sijia¹, SUN Zengjiu², DANG Huqiang², CAO Shuai³, LIU Dongmin², HU Shaohua²

1. College of Earth Sciences, Northeast Petroleum University, Daqing 163318, Heilongjiang, China;
2. Geological Research Center of Research Institute, Bureau of Geophysical Prospecting Inc., CNPC, Zhuozhou 072750, Hebei, China;
3. College of Earth Sciences and Resources, China University of Geosciences(Beijing), Beijing 100083, China

Received:2020-07-01 Revised:2020-09-20 Online:2021-02-01 Published:2021-01-25

摘要/Abstract

摘要： 松辽盆地北部敖南区块是我国重要的致密油资源潜力区，其下白垩统泉头组主要为浅水三角洲前缘水下分流河道砂体沉积，整体为“泥包砂”特征，厚度薄，规模较小，地震反演等常规地震预测技术无法准确地识别和预测该类砂体。通过蓝色滤波目标处理提高了地震资料品质和分辨率；开展了敏感地震属性优选和分析，定性地预测了薄层砂体宏观分布特征；利用井-震联合地质统计反演和随机协模拟技术，对薄层砂体进行了定量预测，刻画了扶余油层主力层砂体的空间分布。预测结果与钻井吻合较好。该方法对其他地区致密油气开发也具有指导意义。

关键词: 致密油, 薄储层预测, 地震属性, 地质统计反演, 蓝色滤波, 扶余油层, 松辽盆地

Abstract: Aonan block,located in northern Songliao Basin,is an important resource potential area of tight oil in China. The Lower Cretaceous Quantou Formation is distributary channel sand deposit of shallow-water delta front,which is characterized by "mud-coated sand",thin thickness and small scale. Conventional seismic prediction technologies such as seismic inversion cannot accurately identify and predict this type of sand body. The blue filter target processing technology was used to improve the quality and resolution of seismic data. The optimization and analysis of sensitive seismic attributes were carried out to predict the macroscopic distribution characteristics of thin sand body qualitatively. The thin sand body was predicted quantitatively by combining the technique of well-seismic joint geostatistical inversion and stochastic co-simulation,and then the spatial distribution of sand body in the main layer of Fuyu oil layer was described. The predicted results are in good agreement with the drilling results. This method has important guiding significance for tight oil and gas development in other areas.

Key words: tight oil, thin reservoir prediction, seismic attributes, geostatistical inversion, blue filter, Fuyu oil layer, Songliao Basin

中图分类号:

TE122

曹思佳, 孙增玖, 党虎强, 曹帅, 刘冬民, 胡少华. 致密油薄砂体储层预测技术及应用实效——以松辽盆地敖南区块下白垩统泉头组为例[J]. 岩性油气藏, 2021, 33(1): 239–247.

CAO Sijia, SUN Zengjiu, DANG Huqiang, CAO Shuai, LIU Dongmin, HU Shaohua. Prediction technology of tight oil thin sand reservoir and its application effect: a case study of Lower Cretaceous Quantou Formation in Aonan block,Songliao Basin[J]. Lithologic Reservoirs, 2021, 33(1): 239–247.

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致密油薄砂体储层预测技术及应用实效——以松辽盆地敖南区块下白垩统泉头组为例

Prediction technology of tight oil thin sand reservoir and its application effect: a case study of Lower Cretaceous Quantou Formation in Aonan block,Songliao Basin

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