Numerical simulation for accuracy of velocity analysis in small-scale high-resolution marine multichannel seismic technology
作者： Di Luo , Feng Cai , Zhiqiang Wu
DOI: 10.1007/S11802-017-3145-7
关键词:
摘要: When used with large energy sparkers, marine multichannel small-scale high-resolution seismic detection technology has a high resolution, high-detection precision, wide applicable range, and is very flexible. Positive results have been achieved in submarine geological research, particularly the investigation of gas hydrates. However, amount traveltime difference information reduced for velocity analysis under conditions shorter spread length, thus leading to poorer focusing spectrum group lower accuracy analysis. It currently debatable whether short-arrangement able meet requirements practical application natural hydrate exploration. Therefore, this study bottom boundary hydrates (Bottom Simulating Reflector, BSR) conduct numerical simulation discuss related such technology. Results show that higher dominant frequency smaller sampling interval are not only improve but they also compensate defects short-arrangement, thereby improving In conclusion, small-scale, high-resolution, multi-channel meets
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