摘要
在当今世界深水勘探油气勘探热潮中,深水储层的研究和预测更受注目。利用多种地震属性的结合能够最大限度地提高储层预测的精度。甜点属性是利用三维地震资料识别砂体的一种新技术。甜点值是反射强度与均方根频率的比值,能有效地预测深海沉积中的孤立砂体。研究发现,甜点结合地震相波形分类、相干体技术可以预测储层的沉积类型、砂体展布特征;甜点和相干的融合属性可以清晰确定岩性类型和分布范围。
In the deep-water exploration all over the world today,the research and prediction of the deep-water reservoir attract much attention in the industry.Integrated use of multi seismic attributes could maximize the accuracy of the reservoir prediction.Sweetness attribute is a new technique in which the 3D seismic data were used to identify the sand bodies.Sweetness is the ratio between the reflection strength and RMS frequency,by using the sweetness attribute the isolated sand bodies can be effectively predicted in the deep sea sediment environment.It is founded out in the studies that by integrated with seismic facies waveform classification and the coherency technique,sweetness can be used to predict sediment type and distribution characteristics of the sandbodies,the fusion attribute of the sweetness and the coherency can be used to determine the lithology type and the distribution range.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2010年第A01期158-162,共5页
Oil Geophysical Prospecting
关键词
甜点
融合属性
相干
波形分类
深水储层
sweetness,fusion attribute,coherence,waveform classification,deep-water reservoir
