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A visual storage method for massive seismic data

A technology of seismic data and seismic data volume, applied in the field of oil and gas exploration, can solve problems such as difficulty in exploration and development, and achieve the effects of shortening file reading and writing time, reducing capacity, and reducing disk space

Active Publication Date: 2022-02-08
北京中恒利华石油技术研究所
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Problems solved by technology

As an efficient, economical and practical energy source, oil and gas resources will always occupy a huge share of the total energy needed by human beings in today's society and the foreseeable future. However, oil and gas resources, as an underground resource, are extremely difficult to explore and develop

Method used

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  • A visual storage method for massive seismic data
  • A visual storage method for massive seismic data
  • A visual storage method for massive seismic data

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Embodiment Construction

[0030] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0031] In this example, if figure 1 As shown, a massive seismic data visualization storage method specifically includes the following steps:

[0032] Step 1: Expand the post-stack 3D seismic data volume into a cube. Treat the 3D seismic data volume as a 3D array, and use the symbol S i,j,k Indicates that i, j, k respectively mark the size of each dimension, such as S 5,8,6 Represents a three-dimensional array whose dimensions are 5, 8, and 6 respectively, and the total number of members is 5*8*6=240. The size of each dimension is uniformly expanded to be able to use 2 n The minimum value represented by , where n is a non-negative integer, thus obtaining a cube array (cube) called the primary expanded cube (primary expandedcub...

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Abstract

The invention discloses a method for visually storing massive seismic data, comprising: 1. expanding the post-stack three-dimensional seismic data body as a cube, and using the obtained cube array as a primary expansion block; 2. defining unit blocks, and dividing the primary expansion block into The cube array is composed of unit blocks, and the seismic data volume is divided according to the unit blocks; 3: plan the multi-scale structure, and establish the multi-resolution seismic data volume; 4: define the file format, and create a new 3D seismic data volume file according to the defined file format; 5 : Data visualization storage, convert the seismic data in seg‑y file format into a new 3D seismic data volume file, and design a data caching strategy to visually store the converted 3D seismic data volume file. The invention proposes a post-stack large-scale three-dimensional seismic data volume file format suitable for multi-directional and multi-scale reading and writing with block and hierarchical storage with balanced performance, which can store large-scale three-dimensional seismic data volumes and perform efficient reading and writing.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration, in particular to a method for visually storing massive seismic data. Background technique [0002] With the advancement of society and the development of science and technology, human productivity continues to increase. In order to ensure the efficient operation of social production and life, various countries, regions, and various capital and technology groups have been making unremitting efforts to ensure the safe and effective supply of energy. effort. As an efficient, economical and practical energy source, oil and gas resources will always occupy a huge share of the total energy needed by mankind in today's society and the foreseeable future. However, oil and gas resources, as an underground resource, are extremely difficult to explore and develop. With the continuous development of information technology, computing technology and other related science and technology, geophy...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/16
CPCG06F16/168
Inventor 邱小斌毕建军陈有兵
Owner 北京中恒利华石油技术研究所
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