A06 A METHOD FOR IMPROVING VIBROSEIS PRODUCTIVITY WHILE PRESERVING DATA QUALITY Abstract This presentation describes the outcome of a research program conducted on vibroseis harmonic noise reduction. It details the results of the acquisition and processing of a 3D test recorded in Egypt. Introduction 1 Eight years after its introduction by Petroleum Development Oman in 1996 the slip sweep method which “consists of a vibrator group sweeping without waiting for the previous group’s sweep to terminate” is still hardly used outside Oman. Data contamination by harmonic noise generated by the method is responsible for this situation. Various noise reduction techniques


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