Removing irregularities from seismic data caused by tube waves

Details Removing irregularities from seismic data caused by tube waves Removing irregularities from seismic data caused by tube waves

2005-02-15

2005-02-15

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

C702S006000, C702S018000

Reexamination Certificate

active

06856912

ABSTRACT:
Method of removing irregularities caused by tube waves from seismic data obtained in a borehole seismic survey, using a set of seismic or sources and a set of seismic receivers each arranged in a borehole, in which seismic data is time shifted based on an estimated tube wave velocity, filtered and then the time shift is reversed and applied to the original data set resulting in a corrected set, which is again time shifted opposite to the original time shift to remove and identify tube wave irregularities.

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patent: 6166994 (2000-12-01), Jeffryes
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International Search Report dated Sep. 4, 2002.

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