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System and method for compensating time and offset varying near-surface effects in seismic data background
US9014985B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9014985-B2 |
| Application number | US-79974110-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 30, 2010 |
| Priority date | Apr 30, 2010 |
| Publication date | Apr 21, 2015 |
| Grant date | Apr 21, 2015 |
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Abstract
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A system for and computer implemented method for transforming seismic trace information includes obtaining seismic trace information for each trace, the seismic trace information including shot to receiver offset and the vertical velocity of at least one subsurface primary reflector and including respective information resulting from near-surface layering and velocity effects and relating to the primary reflector, reversibly transforming seismic trace information from each non-zero offset trace such that the respective information resulting from the near-surface effects at each non-zero offset position is moved in a time dimension such that they become effectively periodic with respect to respective primary reflector information and in accordance with a periodicity for a zero offset trace at the same surface location, filtering the transformed seismic trace information to remove at least a portion of the information resulting from near-surface effects, and inverting the reversible transforming.
First claim
Opening claim text (preview).
The invention claimed is: 1. A computer implemented method for transforming and analyzing seismic trace information, comprising: obtaining seismic trace information for a plurality of traces, the seismic trace information including shot to receiver offset and a vertical velocity of at least one subsurface primary reflector and including respective information resulting from near-surface layering and velocity and relating to the primary reflector; reversibly transforming, using a…
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- G01V1/364Primary
Physics · mapped topic
Physics · mapped topic
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- What does patent US9014985B2 cover?
- A system for and computer implemented method for transforming seismic trace information includes obtaining seismic trace information for each trace, the seismic trace information including shot to receiver offset and the vertical velocity of at least one subsurface primary reflector and including respective information resulting from near-surface layering and velocity effects and relating to th…
- Who is the assignee on this patent?
- Alford Richard B, Herkenhoff E Frederic, Chevron Usa Inc
- What technology area does this patent fall under?
- Primary CPC classification G01V1/364. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 21 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).