摘要
裂缝性储层在全球有广泛的分布,裂缝油气藏勘探在油气勘探中占有重要位置。但是裂缝的成因复杂,其 发育程度受多种因素控制。地震资料中虽包含有裂缝信息,但是因裂缝因素引起的地震响应要远远小于其他地 质因素引起的响应,因此利用地震资料识别裂缝存在困难。虽然如此,由于地震资料在横向连续性上的优势,人 们还是认为地震方法在裂缝描述和预测中具有不可替代的作用。本文简要分析了利用地震资料进行裂缝研究 的难点和对策,并总结了全球利用地震资料进行裂缝研究的主要技术和方法,为我国进一步开展这项研究工作 提供借鉴。
Fractured reservoir widely distributes in global area and exploration of fractured reservoir has important position in oil/gas exploration. Because of complex genesis of fracture and developed degree being controlled by multiple factors, although there is fracture information in seismic data, the seismic response caused by fracture factor is far more less than that by other geologic factors, so that it is difficult to use seismic data to identify the fracture. Nevertheless, since the seismic data have advantage of lateral continuity,the people still considered that the seismic method has irreplaceable role in fracture description and prediction. The paper briefly analyzed the difficulties and counter-measures when using seismic data to study fracture and summarized major techniques and methods using seismic data to study fracture in global area, which gives a reference to further develop the study at home.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2005年第6期724-730,共7页
Oil Geophysical Prospecting
关键词
裂缝
地震资料
正演
反演
速度
属性
分形
fracture, seismic data, forward modeling , inversion, velocity, attributes, fractal
