1887

Abstract

Summary

The Snorre Permanent Reservoir Monitoring system has a receiver area encompassing approximately 200 km2, and aims to monitor, seismically, the reservoir twice a year; through autumn and spring seismic campaigns. In order to acquire two seismic surveys during a single seismic season in the North Sea, while still maintaining enough separation in time to allow for monitoring of the production effects in the reservoir requires consideration of a novel technique to ensure that both surveys are effectively acquired. Since the seismic sensors are stable from one survey to another, and in the case of no production effects outside the receiver area, shots from outside the receiver area can be borrowed from earlier surveys and used to pad out the repeated surveys during the processing of the seismic. This enables a managed reduction in the annual source effort, while ensuring good time-lapse data quality, and contributes to acquisition of two monitoring surveys per year.

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/content/papers/10.3997/2214-4609.201600586
2016-05-30
2024-03-19
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References

  1. FayemendyC., and AndersenM.
    [2011] Time lapse seismic – A multidisciplinary tool for reservoir management on Snorre. 73rd EAGE Conference & Exhibition, Extended Abstracts, J037.
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