Fundamental discussions on seismic vibrators

Author:

Wei Zhouhong12,Phillips Thomas F.12,Hall Michael A.12

Affiliation:

1. INOVA Geophysical Equipment Limited, Stafford, Texas, U.S.A. .

2. INOVA Geophysical Equipment Limited, Calgary, Canada. .

Abstract

Vibrators are the most widely used sources in land seismic exploration. Successful application of vibroseis technology requires evaluating each element in the vibrator system and ensuring that each part of the system contributes to the success of the method. To obtain a high-quality image of the subsurface using the vibroseis method, it is beneficial to know: the frequency bandwidth the vibrator and its control system can deliver; the outgoing signal from the vibrator and the repeatability of the source signature; and the harmonic distortion level on the vibrator force output and the limits the vibrator is subject to. Fundamental discussions on the vibrator system that have been forgotten over time are presented.

Publisher

Society of Exploration Geophysicists

Subject

Geochemistry and Petrology,Geophysics

Reference43 articles.

1. Allen, K. P. , M. L. Johnson, and J. S. May, 1998, High fidelity vibratory seismic (HFVS) method for acquiring seismic data: 68th Annual International Meeting, SEG, Expanded Abstracts, 140–143.

2. Baeten, G., and A. Ziolkowski, 1990, The Vibroseis source: Elsevier Science Publishing Co.

3. Baeten, G., and F. Strijbos, 1988, Wave field of a vibrator on a layered half-space: theory and practice: 58th Annual International Meeting, SEG, Expanded Abstracts, 92–96.

4. Brown, G. L. , and S. D. Moxley, 1964, Hydraulic servomechanisms as seismic energy sources: IEEE International Convention Record, March 23–26.

5. Castanet, A., and M. Lavergne, 1965, Vibrator controlling system: U. S. Patent 3,208,550.

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