苏里格二维转换波勘探应用研究与效果  

Applled study and effect of 2-D converted-wave exploration in Sullge, China.

作　　者：侯爱源 李彦鹏 谷跃民 

机构地区：[1]中国石油东方地球物理公司研究院,河北涿州072750

出　　处：《勘探地球物理进展》2005年第3期195-199,共5页Progress in Exploration Geophysics

摘　　要：苏里格气田属典型的陆相沉积薄互层储层,前期勘探成果表明该区是一个大面积含气但具有明显非均质性的砂岩复合气藏,含气层单层厚度薄,产量低。分析了苏里格多波原始地震资料的特点,并根据这些特点,采用了转换波静校正、叠前去噪、地表一致性处理和叠后提高分辨率等重点处理技术。利用纵波和转换横波的振幅信息,对含气砂岩的分布进行了预测。Sulige gas field is a typical one with reservoirs of thin bedding land sediments. Though prior explorations show that gas-bearing sands are widely distributed in this area.the reservoirs are obviously complex and inhomogenous and the gas producing layers are thin, thus the output is very low. A 2-D multicomponent exploration survey was conducted in this area in the year of 2001.This paper analyzed the raw multicomponent seismic data,and according to the characteristics of the data.some key data processing methods such as converted-wave static correction.prestack noise attenuation. surface consistent processing and poststack resolution enhancement were adopted.The distribution of gas-bearing sands was predicted using the amplitudes of P-waves and convertedwaves.

关 键 词：苏里格气田 转换波 含气砂岩 

分 类 号：P631.443[天文地球—地质矿产勘探]