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Abstract

Summary

Octio has installed an unique PRM system at the Oseberg field on the Norwegian continental shelf for monitoring of a waste injection well. The system consists of 172 nodes with 3 MEMS accelerometers and hydrophone and its layout has been designed both for passive monitoring and 4D seismic surveys. The system has been continuously recording data since its start-up in October 2013 with very low total downtime. To present the system performance we show analysis of data including perforation shots in the designated well and neighboring wells, a microseismic event generated during the first test injection cycle and we discuss noise removal techniques developed exclusively for this installation.

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/content/papers/10.3997/2214-4609.201412547
2015-06-01
2024-03-29
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References

  1. Bjerrum, L., Matveeva, T., Lindgård, J.E., Rutledal, H.I. and Yde, A.C.S.
    [2014] Comparison of noise characteristics on an un-trenched and trenched cable deployed in the north sea for a PRM system. 76th EAGE Conference & Exhibition, Extended Abstracts.
    [Google Scholar]
  2. Bussat, S.B.
    [2015] Using ambient noise for real-time (hourly) overburden monitoring. 3rd EAGE Workshop on Permanent Reservoir Monitoring, Abstracts.
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