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The AAPG/Datapages Combined Publications Database

Pacific Section of AAPG

Abstract


Pacific Coast Geology, Basis for New Exploration, Bakersfield, California, 1972
Pages 1-23

Amplitude Recovery of Digitally Recorded Data

Roy O. Lindseth

Abstract

A reflection seismic trace at any point on the earth’s surface contains a signal which is a unique representation of the sedimentary section at that point. The desired information is superimposed on a transient response system, the effects of which must be eliminated in order to obtain reliable information.

Present day binary gain and floating point systems provide the means to approximate the true amplitude relationships of reflections obtained at any point by the seismic reflection method.

The amplitude of reflections is directly related to changes in lithology, characterized by velocity and density variations. Properly recovered amplitude data can be mapped and the resulting amplitude maps can be shown to conform to theoretical expectations.

Unfortunately, the information which is obtained by the recording method is often discarded in the initial stages of data processing. Correct and incorrect methods are discussed together with the problems that are encountered in application of the recovery methods.

To Be Presented at the 47th Annual Meeting Pacific Section AAPG - SEPM.- SEG Bakersfield California March 8-11, 1972


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