Method of monitoring microseismic events

Details Method of monitoring microseismic events Method of monitoring microseismic events

G - Physics

01

V

G01V 11/00 (2006.01)

Patent

CA 2672974

A microseismic method of monitoring fracturing operation or other passive seismic events in hydrocarbon wells is described using the steps of obtaining multi-component s- wave signals of the event; and using a linear derivative of S-wave arrival times of the signals in a first direction, an S-wve velocity and an s-wave polarization to determine at least two components of the S-wave slowness vector.

L'invention concerne un procédé microsismique de surveillance d'une opération de fracturation ou d'autres événements sismiques passifs dans des puits d'hydrocarbures à l'aide des étapes consistant à obtenir des signaux d'ondes S à multiples composantes de l'événement ; et à utiliser un dérivé linéaire des temps d'arrivée d'onde S des signaux dans une première direction, une vitesse d'onde S et une polarisation d'onde S pour déterminer au moins deux composantes du vecteur de lenteur d'onde S.

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