B022 Imaging through Gas-Filled Sediments with Land 3C Seismic Data Y. Li* (BGP) P. Sun (BGP) D. Tang (BGP) Y. He (BGP) H. Chen (BGP) & Y. Yue (BGP) SUMMARY It has been proved in many 4C OBC cases that gas cloud imaging can be improved with converted wave (Li et al. 2001) but few cases have been demonstrated in land 3-C exploration. This paper shows how multi-component (3-C) land data with dynamite source is used to image sub-gas-cloud sediments in CS gas field China. The conventional P-wave data provides unreliable structural images and the interpretation is dubious in an


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