Application of 90° Phase Data in Lithologic Interpretation
详细信息
- 责任者：Chen Chunji (BGP Geological Research Center ; CNPC ; Zhuozhou 072751 ; China) ; Feng Shimin
- 刊名：Oil Geophysical Prospecting
- 出版年：2012
- 卷期：47(1)
- 关键词：地震勘探 ; seismic exploration
- 页码：p.95-99
- 图表：6 illus., 7 refs.
- 分类号：1600
- issnNo：ISSN1000-7210
- isbnNo：CN13-1095/TE
摘要
This paper briefly describes the principle of 90° phase data interpretation.Through the synthetic data we success to identify seismically thin beds in lithologic interpretation of 90° phase data,and describe the implementing procedure of 90° phase shift method.For real seismic data,we use the Wiener-Levinson mixed phase extraction method to estimate the seismic wavelet phase and use the phase shift method to convert the mixed phase to zero phase,and then convert to 90° phase.Finally we propose an idea to interpret thin beds by application of 90° phase data.Throughr the practical applications,we can confirm the advantage of 90° phase data in thin-bed interpretation.