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Result-oriented marine seismic acquisition
- Source: First Break, Volume 12, Issue 7, Jul 1994,
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- 01 Jul 1994
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Abstract
Over the last few years great effort has been put into the development of quality control processes for marine seismic data acquisition. Advances have been made possible by both a better understanding of the acquisition process and the introduction of more powerful and costeffective computer technology. An increasing amount of quality control data is available to the seismic crew and the client representative in order to make decisions about the further course of the seismic operation. Traditional acquisition quality control comprises the inspection of the raw acquisition measurements and, in the absence of onboard processing, is mainly instrument- related. Key issues are the noise level on recorded traces, airgun dropouts or tuning errors, functioning of the elements of the navigation system such as compasses and buoys, and streamer performance. Saga Petroleum has pioneered novel quality control techniques, presented by Brink et al. (l990a,b, 1993). It was also the first company to use a ProMAX processing system onboard the seismic vessel.