Reducing Harmonic Distortion on Vibrators at Low Frequencies – Servo-valve Flow Linearization

Z. Wei

doi:10.3997/2214-4609.201400272

Reducing Harmonic Distortion on Vibrators at Low Frequencies – Servo-valve Flow Linearization
By Z. Wei
Publisher: European Association of Geoscientists & Engineers
Source: Conference Proceedings, 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009, Jun 2009, cp-127-00265
ISBN: 978-90-73781-67-2
DOI: https://doi.org/10.3997/2214-4609.201400272

Abstract

To improve seismic image resolution using the Vibroseis method, vibrators must output the ground-force energy with minimum harmonic distortion. Due to non-linear effects, the ground-force signal transmitted into the subsurface by vibrators is contaminated

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2009-06-08

2024-04-25

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Reducing Harmonic Distortion on Vibrators at Low Frequencies – Servo-valve Flow Linearization

Abstract

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The natural combination of full and image‐based waveform inversion

Poststack diffraction imaging using reverse‐time migration

Characterizing the effect of elastic interactions on the effective elastic properties of porous, cracked rocks

Fracture detection by Gaussian beam imaging of seismic data and image spectrum analysis

Laboratory measurements of guided‐wave propagation within a fluid‐saturated fracture