- 责任者：Wen Zhidong (Exploration and Production Research Institute ; Southwest Petroleum Branch Company ; SINOPEC ; Chengdu 610041 ; China) ; Hu Weiguang
- 刊名：Computing Techniques for Geophysical and Geochemical Exploration
- 出版年：2013
- 卷期：35(6)
- 关键词：页岩气 ; shale gas ; 储层预测 ; reservoir prediction ; 地震属性 ; seismic attributes ; 四川盆地 ; Sichuan Basin
- 页码：p.704-710
- 图表：7 illus., 11 refs.
- 分类号：1600
- issnNo：ISSN1001-1749
- isbnNo：CN51-1242/P
The Daan formation is a good reservoir for shale gas accumulation. However, when drilling this strata mem- ber, economic gas flow as well as dry layer were obtained and such drilling results have revealed the uneven horizontal distri- bution characteristics of this layer. The enrichment of shale gas in this area is controlled by thermal maturity of shale, TOC, natural fractures and formation pressure as well. Therefore, fractures and lithologic association are of the first importance in finding drilling targets. On the basis of 3-D post-stack longitudinal wave, by analysis of curvature and instantaneous ampli- tude attribute either, the favorable zone of shale gas reservoir in Daan member of zhengzhuchong formation in SL area has been predicted. The predicting results are in good agreement with drilling data.