FIELD: invention refers to the mode assigned for definition of the danger of the water flow with slight depth of occurrence by using seismic data.
SUBSTANCE: seismic data may be processed for increasing its stratigraphical settlement by way of subsampling of seismic data on less then two millisecond interval. The fulfillment of the stratigraphical analysis relatively to seismic data and valuation of seismic characteristics of the seismic data may be used for choosing the control field. Before summing up with taking into consideration the form of the impulse they apply inversion to the seismic data in the chosen control field for receiving the model of elastic deforming which includes the speed of the longitudinal waves and the speed of the transversal waves. Then they define the danger of the water flow from the slight depth of occurrence using the model of elastic deforming by comparison the speed of the longitudinal waves with the speed of the transversal waves.
EFFECT: defines danger of water flow.
26 cl, 8 dwg
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Authors
Dates
2008-03-20—Published
2002-12-10—Filed