3Nanxun Dai,Wei Wu,Wei Zhang, et al. BGP CNPC,TTI RTM using Variable Grid in Depth[R].International Petroleum Technology Conference,February Bangkok, Thailand,2012:7-9.
4Nanxun Dai.RTM in GeoEast-Lightning: its technique characteristics and application[R].BGP Technique Seminar, Xi'an,Sep,2012:17-19.
5Whitmore N D. Iterative depth migration by back- ward time propagation[J]. Expanded Abstracts of 53ra Annual Internat SEG Mtg, 1983,827-830.
6McMechan G A. Migration by extrapolation of time- dependent boundary values[J]. Geophysical Prospec- ting, 1983,31 (3) :413-420.
7Loewenthal D, Mufti I R. Reversed time migration in spatial frequency domain[J]. Geophysics, 1983, 48 (5) :627-635.
8Yoon K, Marfurt K J, Starr W. Challenges in re-verse-time migration[J]. Expanded Abstracts of 74ta Annual Internat SEG Mtg,2004,1057-1060.
9Dussaud E. Computational strategies for reverse- time migration[J]. Expanded Abstracts of 78th An- nual Internat SEG Mtg, 2008,2267-2271.
10Foltinek D, Eaton D, Mahovsky J, et al. Industrial- scale reverse time migration on GPU hardware[J]. Expanded Abstracts of 79th Annual Internat SEG Mtg, 2009,2789-2793.