Seismik s.r.o. - Passive Seismic Services

Seismik s.r.o. - Passive Seismic Services

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        Seismik s.r.o.

        A privately held company established in 2010 in Prague, Czech Republic.  Providing seismic services for the oil and gas industry with an orientation on passive seismic.

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        05 October 2020
        Company quality policy

        Management of Seismik s.r.o. accepts the commitment to continuously build a stable company, which thanks to
        its technological solutions and proactive search and implementation of innovative changes will become a
        sought-after and valued business partner, able to provide services at a high quality level and flexibly respond to
        the requirements of its clients from various geographical regions and fields of our activity. We want to build a
        strong company known for its expertise and client-oriented approach, which will be perceived in this way by its
        Surroundings.

        Full document available online 

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      • Surface microseismic monitoring
      • Downhole data reprocessing
      • Discrimination between natural and induced seismicity
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      • SafeFrac
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NetDesign

Passive seismic monitoring network design

NetDesign is a service that helps determine the optimal network geometry for a passive seismic monitoring during the fluid injection (e.g. a salt water disposal or a hydraulic fracturing). This tool computes the theoretical characteristics of local surface seismic networks, downhole arrays, as well as, complex seismic monitoring networks, for example a combination of surface and borehole receivers. By using NetDesign, the client can avoid problems due to the insufficient network coverage while minimizing costs by using an optimal network design.

NetDesign uses a specially developed software package to determine the sensitivity of the monitoring network. NetDesign calculates location accuracy values mapped in the area of interest. Location accuracy shows the maximum location error in both horizontal and vertical directions that is expected for a proposed network. Output can be presented as horizontal and vertical slices mapping network sensitivity and a location accuracy (see figure on the right). Unlike other software packages, NetDesign also includes the capability to calculate possible source mechanisms as well as attenuation. Typically there are several network geometry candidates that are compared using NetDesign, or our analysts can propose an optimal monitoring network maximizing the performance and minimizing costs.

NetDesign is used for setting up a real-time seismic monitoring system SafeFrac developed by Seismik.

  

REFERENCES

  •  Halló M. (2012): Microseismic Surface Monitoring Network Design - Sensitivity and Accuracy, 74th EAGE Conference & Exhibition, Extended Abstracts, P021, Copenhagen.
Seismik s.r.o. - Passive Seismic Services

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