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Controlled Source Strength Variation by Changing the Firing Pressure – A Sensitivity Study for 4D Calibration
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009, Jun 2009, cp-127-00139
- ISBN: 978-90-73781-67-2
Abstract
A direct way to calibrate 4D signals is to gradually change the source strength, and detect the sensitivity threshold for a given subsurface reflection. However, varying the source strength in a controlled manner by changing the firing ressure of an air g