摘要
利用波阻抗和伽马反演相结合的方法 ,在四川白马庙气藏较好地识别出渗透性砂岩 ,对渗透性砂岩在三维空间中的展布规律进行了深入探讨 ,同时结合沉积微相、砂层的测井对比和地震属性综合解释等方面的研究 ,从另一个方面与储层反演结果相互验证 ,增加了认识的可信度。在此基础上提出了开发井位布署建议 ,并取得了较好的钻探效果。
The thickness of sandstone in the Baimamiao gas field varies strongly in lateral and vertical directions , and in most cases, single sand bodies are not connective, The spread regular of sandstone is very complicated. Permeable sandstone can not be identified by wave impedance section. The quality of well log and seismic dada is not good, so their reliability is affected. Up to now, the main factors which control gas bearing volume are not obvious. In this paper, a new research method is presented: Permeable sandstone can be distinguished, and the spread regular of permeable sandstone in 3 D space has been recognized clearly by combining gamma ray inversion and wave impetance inversion. At the same time, by synthesizing the studies of sedimentary faces, well log contrast, and seismic attribution analysis, and inversion results of the reservoir can be verified, and Its result is more credible. The locations of exploitation wells have been suggested on the basis of the above research, and the drilling results are very good.
出处
《成都理工学院学报》
CAS
CSCD
北大核心
2002年第3期290-295,共6页
Journal of Chengdu University of Technology
关键词
白马庙气藏
储层描述
地震反演
地震属性
能量过半时长
Baimamiao gas field
reservoir description
seismic inversion
seismic attribution
energy half time
