2Tang X M,Wang T,Patterson D.Multipole acoustic logging while drilling.SEG 72nd.Expanded Abstracts,2002.364-368.
3Tang X M,Dubinsky V,Wang T,et al.Shear-velocity measurement in the logging while drilling environment:modeling and field evaluations.SPWLA 43rd Annual Logging Symposium,Oiso,Japan,2002,6:2-5,paper RR.
4Huang X J.Effects of tool position on borehole acoustic measurements:a stretched grid finite difference approach[Ph.D.thesis].Cambridge,MA:Massachusetts Institute of Technology,2003.
5Tao Guo,He Feng-Jiang,Wang Bing,Wang Hua.Study on 3D simulation of wave fields in acoustic reflection image logging.Sci China D-Earth,51(SII):186-194.
6Rao R,Toks(o)z M N.Dispersive wave analysis-Method and applications.Consortium reports of Earth Resources Laboratory Department in Massachusetts Institute of Technology,Cambridge,MA USA,2005.
7Aron J,Chang S K,Dworak R,et al.Sonic compressional measurements while drilling.SPWLA 35th Annual Logging Symposium,Tulsa,Oklahoma,United States,1994,6:19-22,paper SS.
9Joyce B,Patterson D,Leggett J V,Dubinsky V.Introduction of a new omni-directional acoustic system for improved real-time LWD sonic logging-Tool design and field test results.SPWLA 42nd Annual Logging Symposium,Houston,Texas,United States,2001,6:17-20,paper SS.
10Leggett J V,Dubinsky V,Patterson D,Bolshakov A.Field test results demonstrating improved real-time data quality in an advanced LWD acoustic system.Soc.of Petroleum Engineers Annual Technical Conference and Exhibition,New Orleans,Louisiana,United States,30 September-3 October 2001,71732:1-12.
