Seismic description and fluid identification of thin reservoirs in Shengli Chengdao extra-shallow sea oilfield |
SHU Ningkai,SU Chaoguang,SHI Xiaoguang,LI Zhiping,ZHANG Xuefang,CHEN Xianhong,ZHU Jianbing,SONG Liang |
Fig. 4. Stratigraphic column of Well CB208 (a) and comparison of seismic section through this well before (b) and after (c) large angle frequency bandwidth expanding processing in Chengdao extra-shallow sea oilfield. GR—Natural gamma; SP—Spontaneous potential; R25—2.5 m resistivity. |