三维地震解释技术及其在储层描述中的应用——以松辽盆地杏树岗油田X56区块为例

doi:10.11743/ogg20130319

石油与天然气地质 ›› 2013, Vol. 34 ›› Issue (3): 407-412.doi: 10.11743/ogg20130319

三维地震解释技术及其在储层描述中的应用——以松辽盆地杏树岗油田X56区块为例

王彦辉¹, 姜岩¹, 张秀丽¹, 李操¹, 朴昌永¹, 宋丽君², 高鹏³

1. 中国石油大庆油田有限责任公司勘探开发研究院黑龙江大庆 163712;
2. 中国石油大庆油田有限责任公司第一采油厂, 黑龙江大庆 163257;
3. 中国石油大庆油田有限责任公司第二采油厂地质大队, 黑龙江大庆 163257

收稿日期:2012-10-12 修回日期:2013-02-25 出版日期:2013-06-28 发布日期:2013-07-17
作者简介:王彦辉(1968- ),男,高级工程师,开发地震解释与应用研究。E-mail:wangyh_dqyc@petrochina.com.cn。
基金资助:
国家科技重大专项(2008ZX05009)。

3D seismic interpretation technology and its application in reservoir description—an case from X56 block of Xingshugang oilfield,Songliao Basin

Wang Yanhui¹, Jiang Yan¹, Zhang Xiuli¹, Li Cao¹, Piao Changyong¹, Song Lijun², Gao Peng³

1. Exploration & Development Research Institute, Daqing Oilfield Company, PetroChina, Daqing, Heilongjiang 163712, China;
2. No.1 Oil Production Plant, Daqing Oilfield Company, Daqing, Heilongjiang 163257, China;
3. No.2 Oil Production Plant, Daqing Oilfield Company, Daqing, Heilongjiang 163257, China

Received:2012-10-12 Revised:2013-02-25 Online:2013-06-28 Published:2013-07-17

摘要/Abstract

摘要： 针对大庆长垣油田高含水后期井-震结合储层描述的目标尺度小、精度要求高、井网密等特点,以松辽盆地杏树岗油田X56区块为研究区,在精细地质研究成果的基础上,充分利用三维地震资料,形成了一套大庆长垣油田井-震结合构造解释、断层识别、储层预测配套技术。通过容量维分形技术,识别了断距5 m左右的小断层,解决了井间小断层识别难题;利用井-震结合构造解释成果,搞清了断层的平面组合特征及延伸范围,落实了微幅度构造及其与油气分布关系;采用地震随机反演技术,对葡一组储层砂体厚度进行了平面预测和井间砂体连通性分析,2 m以上砂体预测符合率达到75%以上。在此基础上,进一步修正了仅用井孔资料绘制的沉积微相图,精细刻画了河道砂体的平面展布特征。井-震结合三维地震技术在长垣油田多个区块应用,效果明显。

关键词: 断层, 构造, 沉积微相, 三维地震解释技术, 储层描述, 松辽盆地

Abstract: Well-seismic integrated reservoir characterization of Daqing Changyuan oilfield at late high water cut development stage faces the challenges of small scale of description target,high requirement for predication accuracy and dense well pattern.Taking Block X56 of Xingshugang oilfield in the Songliao Basin as an example,we developed a set of technologies consisting of well-seismic integrated structure interpretation,fault identification and reservoir prediction by utilizing 3D seismic data and fine geologic study results.The capacity-dimension fractal technology is applied to recognize small faults with throw of about 5 m,solving problems of small faults identification between wells.The plane combination characteristics and extensions of faults are defined and the relationship between low amplitude structure and oil-gas distribution is determined by using well-seismic integrated structure interpretation technology.Reservoir sandbody thickness in the 1^st member of Putaohua Formation is mapped and the sandbody connectivity between wells is analyzed with the stochastic inversion technology.The coincidence rate of prediction of sandbodies with thicknes above 2 meters is more than 75%.On this basis,sedimentary microfacies map drawn only by borehole data is further revised,and the planar distribution features of channel sandbody are characterized.The well-seismic integrated 3D seismic interpretation technology has been applied in several blocks of Changyuan oilfield and the results are satisfactory.

Key words: fault, structure, sedimentary microfacies, 3D seismic interpretation technology, reservoir description, Songliao Basin

中图分类号:

TE122.2

王彦辉,姜岩,张秀丽,等. 三维地震解释技术及其在储层描述中的应用——以松辽盆地杏树岗油田X56区块为例[J]. 石油与天然气地质, 2013, 34(3): 407-412. doi: 10.11743/ogg20130319 Wang Yanhui,Jiang Yan,Zhang Xiuli,et al. 3D seismic interpretation technology and its application in reservoir description—an case from X56 block of Xingshugang oilfield,Songliao Basin[J]. Oil & Gas Geology, 2013, 34(3): 407-412. doi: 10.11743/ogg20130319

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三维地震解释技术及其在储层描述中的应用——以松辽盆地杏树岗油田X56区块为例

3D seismic interpretation technology and its application in reservoir description—an case from X56 block of Xingshugang oilfield,Songliao Basin

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