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Seismic description and fluid identification of thin reservoirs in Shengli Chengdao extra-shallow sea oilfield
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SHU Ningkai,SU Chaoguang,SHI Xiaoguang,LI Zhiping,ZHANG Xuefang,CHEN Xianhong,ZHU Jianbing,SONG Liang
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Table 1 Comparison of sand body thicknesses from drilling data and prediction in Layer N1g125 of Chengdao extra-shallow sea oilfield.
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| Well name | Drilled
thickness/m | Predicted
thickness/m | Error/m | | SHG2 | 10.5 | 10.0 | 0.5 | | CB206 | 8.0 | 7.5 | 0.5 | | CB25 | 7.5 | 8.0 | 0.5 | | CB252 | 8.0 | 7.0 | 1.0 | | CB275 | 3.0 | 2.5 | 0.5 | | CB26 | 3.2 | 3.0 | 0.2 | | CB208 | 2.5 | 1.5 | 1.0 | | CB209 | 3.0 | 3.0 | 0 | | SH6 | 1.5 | 0 | 1.5 | | CB22 | 1.2 | 0 | 1.2 | | CB23 | 1.0 | 0 | 1.0 | | SH202 | 0 | 0 | 0 | | CBG406 | 0 | 0 | 0 | | CBG10 | 0 | 0 | 0 | | SH4 | 0 | 0 | 0 | | SH201 | 0 | 0 | 0 | | CB27 | 0 | 0 | 0 | | SH2 | 0 | 0 | 0 | | CBG111 | 0 | 0 | 0 |
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