Shell Oil Comapny

Shell Internationale Research Maatschappij, B.v.

Mikhail Garievich Danilouchkine

Boris Nikolaevich Kuvshinov

Theodericus Johannes Henricus Smit

Horng Jye Hwang

Robert Van Es

Seismic pulses are emitted are emitted with consecutive time intervals that follow a pattern described by several Golomb rulers, wherein at least two of the Golomb rulers have at least four marks, such that pair-wise time intervals between seismic pulse emissions are different, to distinguish seismic reflections stemming from different seismic pulses and/or seismic sources from each other. This allows executing seismic surveys with several simultaneously operated seismic source arrays, thereby reducing the survey cost. In a marine environment the seismic sources may be air-gun arrays towed by one or more vessels, and the method can be also applied onshore.

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Rijswijk, Netherlands

Mikhail Garievich Danilouchkine