分频解释技术在岩性储层描述中的应用

详细信息

Application of frequency-shared interpretation technique for lithology reservoir description

1. College of Geo-resource and Information, China University of Petroleum, Dongying 257061 China;
2. Linpan Production Plant Shengli Oilfield Company, Sinopec, Linyi 251507, China;
3. Exploration and Development Research Institute of PetroChina Changqing Oil Field, Xi'an 710021, China

摘要: 基于短时窗离散傅立叶变换或最大熵方法的分频解释技术,实现了在频率域内对扫描频率所对应的调谐振幅进行分析,排除了时间域内不同频率成份的相互干扰,从而可得到高于传统分辨率的解释结果。分频解释技术在岩性储层描述中对河道﹑断层和岩性边界的识别以及对沉积相及沉积旋回的分析等方面取得良好的地质效果,在岩性储层油气勘探中具有广泛的应用前景。
- 谱分解 /
- 调谐体 /
- 分频解释 /
- 沉积相 /
- 沉积旋回
Abstract: The frequency-shared interpretation technique,based on windowed short-time Fourier transform or Maximum Entropy Method,made the analysis on the corresponding tuning amplitude to Scanning Frequency in the frequency domain come true,eliminated the mutual interference of different frequent components in time domain,and acquired the result of higher than traditional resolution.The frequency-shared interpretation technique is well used in lithologic reservoir description,such as identification of channel,fault,the boundary of lithology and analysis of sedimentary facies and sedimentary cycle.It is proved that the frequency-shared interpretation technique has a wide foreground in exploration lithology reservoir.
- spectrum decomposition /
- tuning cube /
- frequency-shared interpretation /
- sedimentary facies /
- sedimentary cycle