火山岩储集层地震横向预测的一种思路——以准东地区石炭系火山岩为例
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摘要
火山岩是除碎屑岩及碳酸盐岩以外最重要的储层岩石类型。由于其成因及储集空间类型与碎屑岩及碳酸盐岩储层差别较大,所以火山岩储层预测难度更加突出。针对准东地区石炭系裂缝型火山岩储层薄、地震反射特征不稳定及纵向上与沉积岩互层的特点,首先通过测井约束地震反演技术对石炭系中统巴塔玛依内山组火山岩储层进行了横向预测。在此基础上,利用本征值相干体技术,结合三维可视化技术,对工区内裂缝发育特征有了直观、可靠的认识,为准东地区火山岩储层预测提供了科学依据。
In addition to clastic and carbonate,volcanic is the most important rock type of reservoir.Because of its special formation and reservoir space that are greatly different from clastic and carbonate,it's difficult to predict.Considering thin fractured volcanic reservoir,instability of seismic reflection and vertical interbedded sedimentary rocks in east of Junggar Basin,firstly we recognized and predicted volcanic reservoir in Patamyi with the logging-constrained seismic inversion technique.On the basis of this,we got an intuitive,reliable characteristics about fracture with the eigenvalue coherence technology,combined with three-dimensional visualization technology,and it provided a scientific basis for prediction of volcanic rocks in east of Junggar.
引文
[1]甘利灯,姚逢昌,郑晓东,等.非常规储集层地震横向预测的一种方法.石油勘探与开发,2000,27(2):65~68.
    [2]张朝军,石昕,吴晓智,等.准噶尔盆地石炭系油气富集条件及有利勘探领域预测.石油地质,2004,11~15.
    [3]刘春晓,张晓花,刘建军,等.塔中地区火山岩与油气藏关系研究.断块油气田,2004,11(5)18~20.

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