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Analysis method and device of common center point surface element attribute of seismic three-dimensional observation system

An observation system and analysis method technology, applied in the field of petroleum exploration, can solve the problems of low efficiency in analyzing CMP bin attributes and low resource utilization

Active Publication Date: 2016-05-11
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0003] The embodiment of the present invention provides a method and device for analyzing the attributes of CMP bins in a seismic three-dimensional observation system, which solves the technical problems of low efficiency and low utilization of resources in analyzing CMP bin attributes in the prior art

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  • Analysis method and device of common center point surface element attribute of seismic three-dimensional observation system
  • Analysis method and device of common center point surface element attribute of seismic three-dimensional observation system
  • Analysis method and device of common center point surface element attribute of seismic three-dimensional observation system

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0031] In an embodiment of the present invention, a method for calculating the CMP bin attributes of a seismic three-dimensional observation system is provided, such as figure 1 As shown, the method includes:

[0032] Step 101: According to the amount of data allowed by the computing resources, divide the bin grid of the area to be explored in the seismic three-dimensional observation system into multiple coverage count calculation partitions;

[0033] Step 102: Using multiple computing resources to calculate the multiple coverage times in parallel and calculate the coverage times of the facet...

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Abstract

The invention provides an analysis method and device for common-mid-point (CMP) binning properties of an earthquake three-dimensional observation system. The method includes: dividing binning grids of a to-be-detected area of the earthquake three-dimensional observation system into a plurality of coverage-time calculation zones according to the size of data, which is allowed to be contained by calculation resources; calculating coverage times of binnings in the plurality of coverage-time calculation zones respectively through adoption of a plurality of calculation resources at the same time; according to the coverage times of the binnings in the plurality of coverage-time calculation zones and the number of mid points which are allowed to be contained by the calculation resources, dividing the binning grids of the to-be-detected area into a plurality of mid-point property calculation zones; and calculating mid-point property values in the plurality of mid-point property calculation zones respectively through adoption of the plurality of calculation resources at the same time, wherein the mid-point property values include: geophone offset and source-receiver azimuth angle. Successive calculations of binning properties of each binning by a serializer are avoided so that CMP-binning-property analysis efficiency and resource utilization rate are improved.

Description

technical field [0001] The invention relates to the technical field of petroleum exploration, in particular to a method and device for analyzing the attributes of a CMP (Common Mid-point, common center point) surface element of a seismic three-dimensional observation system. Background technique [0002] In order to reasonably design the field observation system scheme, it is necessary to compare and analyze the CMP bin attributes of different observation systems. Conventional CMP bin attribute analysis includes: coverage times, offset distance and offset azimuth. The intuitive and accurate description of coverage times, offset distances and offset azimuths is one of the key factors to optimize the design of the observation system, and the CMP bin attribute calculation is the basic technical means to realize the bin attribute analysis of the observation system. With the popularization and application of high-density seismic exploration, the number of receiving channels in f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/30
Inventor 李逢春
Owner BC P INC CHINA NAT PETROLEUM CORP
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