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A method for parallel compression of massive seismic data

A technology for seismic data and seismic data volume, which is applied in the field of petroleum seismic exploration data processing, can solve the problems of high cost, high cost of satellite lines, large communication resources, etc., and achieves the effect of saving operating costs, convenient use and good economic benefits.

Inactive Publication Date: 2014-02-26
YANGTZE UNIVERSITY
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AI Technical Summary

Problems solved by technology

Artificial earth satellites provide a fast and safe transmission tool for seismic data transmission, but the cost of renting satellite lines is very expensive, and the communication resources occupied are too large, so it is not an economical and practical means of seismic data transmission

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  • A method for parallel compression of massive seismic data

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Embodiment

[0048] In recent years, GPU (Graphics Processing Unit, Graphics Processing Unit) technology has been developed rapidly. As a dedicated graphics rendering hardware for personal computers, GPU has great significance for the development of parallel processing technology. The main advantage of GPU over CPU is speed, and the speed advantage of GPU mainly comes from its unique hardware system design. The method for parallel compressing massive seismic data provided by this embodiment can enable CPU and GPU to process 3D seismic data in parallel, so as to achieve the purpose of parallel compression processing of seismic data using an ordinary PC.

[0049] A method for parallel compression of massive seismic data provided by the present invention comprises the following steps:

[0050] 1. Convert 3D seismic data to seismic data volume data:

[0051] Through the CPU central processing unit, the three-dimensional seismic data is converted to obtain the seismic data volume data;

[0052]...

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Abstract

The invention relates to a method for parallel compression of massive seismic data and belongs to the technical field of petroleum seismic exploration data processing. The method for the parallel compression of the massive seismic data is characterized in that: seismic data cube data is obtained by means of carrying out conversion on three dimensional seismic data through the utilization of a CPU, and the seismic data cube data is subjected to decomposition and secondary decomposition to obtain seismic data sub-blocks and seismic data blocks; then the seismic data is transmitted to a GPU block by block; the parallel compression is carried out through employing a visual perception model, and fusion is carried out on compression results of all the seismic data blocks to obtain a compression result of all the seismic data. According to the method for the parallel compression of the massive seismic data of the invention, the compression quality is guaranteed, and at the same time, the compression speed of the seismic data is substantially raised, so that the parallel compression can be carried out on common computers through the common GPUs. The operation costs are saved. The usage is convenient and the economic benefits are good.

Description

Technical field: [0001] The invention relates to a method for compressing massive seismic data in parallel, belonging to the technical field of petroleum seismic exploration data processing. Background technique: [0002] In the field of geophysics, seismic exploration is one of the most important methods in geophysical exploration. It uses artificial methods to stimulate seismic waves, and uses seismic exploration instruments to record the vibrations of the earth on tape, and then uses computers to process the data obtained in the field to obtain information about underground structure and lithology, as well as oil and gas information. As the primary link of oil exploration, the amount of data collected by seismic exploration is very large, and the amount is usually measured in TB. Seismic data is a large-capacity data that describes complex underground structures. With the development of three-dimensional high-resolution exploration, more and more survey lines and traces ...

Claims

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Application Information

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IPC IPC(8): G01V1/28
Inventor 谢凯文畅伍鹏阮宁君夏巍
Owner YANGTZE UNIVERSITY
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