Methods and apparatus of source control for sequential...

Details Methods and apparatus of source control for sequential... Methods and apparatus of source control for sequential...

G - Physics

01

V

G01V 1/26 (2006.01)

Patent

CA 2667486

Methods and apparatus for controlling seismic source firings are disclosed. The methods and apparatus enable firing of seismic sources to increase pressure wave amplitude. Some methods and apparatus reduce ghosting and align first pressure peaks of multiple seismic sources. The multiple seismic sources may be fired sequentially according to active feedback mechanisms. Controlling the firing of the seismic source facilitates more accurate seismic data and a more consistent seismic source signature.

L'invention concerne des procédés et appareils pour la commande de tirs de sources sismiques. Les procédés et appareils permettent au tir de sources sismiques d'augmenter l'amplitude des ondes de pression. Certains des procédés et appareils réduisent l'effet de fantôme et alignent les premiers pics de pression de sources sismiques multiples. Les sources sismiques multiples peuvent être mises à feu de façon séquentielle selon des mécanismes de rétroaction active. La commande du tir de la source sismique facilite l'obtention de données sismiques plus précises et une signature plus cohérente des sources sismiques.

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