Migration speed analysis with a limited opening and a monte carlo migration

摘要

the invention concerns a method for effective and accurate determination of underground speeds, the migration of seismic data is used. the procedure is designed, the number of tracks to those to the in the field of kirchhoffschen summationskurve are, where the integrand for kirchhoff migration is smooth.in the preferred embodiment, only a randomly selected portion of the tracks within the opening for the calculations is used. in the preferred embodiment, the efficacy by a factor of about 1000 to be improved.