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Category: Geophysics

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    Seismic methods & elastic waves

    Seismic is one of the most important techniques of hydrocarbon exploration in terms of money spent as well as geophysicist and geologist employed to work on it. Seismic method is...

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    Analog vs. Digital Signal in seismic

    Most of the processing operations are now carried out on digital computers due to availability of powerful digital workstations,however if analog filters are used in the field recording systems ,a phase shift is...

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    Seismic Data Acquistion

    Seismic data acquisition is done on land and in marine environment also.land acquisition mainly needs geophone as receiver and explosives (gelatin dynamite or ammonium nitrate) as source other sources used on land...

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    Seismic Noise

    Word noise is used in seismic as a generic name for unwanted components of seismic signals.Noise could be a relatively persistent vibration of the ground, due to a multitude of causes which are of no use in...

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    Amplitude Variations with Offset

    Seismic reflection amplitude changes with distance between shotpoint and receiver,It happens due to energy partitioning.When seismic wave hit a boundary,some of the energy gets reflected and some gets refracted.The reflected...

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    Seismic Hydrocarbon Indicators

    [vc_row][vc_column width="1/2"][vc_column_text]Bright spot: Bright spots are the high amplitude seismic anomaly that indicates presence of hydrocarbon.Bright spots primarily results due to increase in acoustic impedance contrast such as when a low...

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