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Parameter demonstration method of omnidirectional observation system based on geological model

A geological model and observation system technology, applied in geophysical measurement, seismic signal processing, instruments, etc., can solve problems such as biased results, failure to meet technical design, and failure of demonstration points to meet needs, etc., to achieve comprehensive demonstration results

Active Publication Date: 2016-09-28
中石化石油工程技术服务有限公司 +1
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Problems solved by technology

[0002] In the past, the parameter demonstration of the observation system only selected 2-3 parameter demonstration points in the whole work area for demonstration, and the method used was relatively simple, and was calculated based on the assumption of isotropic media. In the region, since the geological structure does not meet the conditions of the assumption of isotropic media, this method can no longer meet the needs of technical design. First, 2-3 demonstration points cannot meet the needs, and the calculated results are biased. In addition, the calculation The method is not suitable, and the calculation result does not meet the actual production needs

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  • Parameter demonstration method of omnidirectional observation system based on geological model
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  • Parameter demonstration method of omnidirectional observation system based on geological model

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[0039] In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.

[0040] Such as figure 1 as shown, figure 1 It is a flow chart of the parameter demonstration method of the omnidirectional observation system based on the geological model of the present invention.

[0041] In step 101, various geological data are collected to establish an accurate geological model of the work area. The collected geological data includes horizon data, velocity, density, depth, fault, frequency and other data. The horizon data is used to establish the geological model of the work area, and the velocity, density, and fault information corresponding to each horizon are imported, and each physical point is assigned its geological properties. Such as figure 2 as shown, figure 2 It is a geological model of a certain horizon in a...

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Abstract

The invention provides an omnibearing observation system parameter argument method based on a geologic model. The method comprises a step 1, acquiring multiple kinds of geological data, and establishing a work area geological model; a step 2, selecting one layer position in the geological model, and calculating requirements of face elements of physical points on the layer position through adoption of a formula; a step 3, displaying the requirements of the face elements of the physical points on corresponding layer faces in the model; a step 4, selecting one layer position in the geological mode, and calculating the maximum shot-geophone distance requirement of each physical point on the layer position through adoption of a formula; a step 5, displaying the maximum shot-geophone distance requirement of each physical point on the corresponding layer face in the model; and a step 6, determining an observation system parameter satisfying a production need. The method can visually and comprehensively analyze the parameter need of a full area, is relative scientific and reasonable, an argumentation result is relative comprehensive, the deficiency of less argument points in a previous method is made up, and a defect that a previous parameter argument method cannot know the parameter need of the full area is overcome.

Description

technical field [0001] The invention relates to parameter argumentation of a seismic exploration observation system, in particular to a method for argumentation of parameters of an omnidirectional observation system based on a geological model. Background technique [0002] In the past, the parameter demonstration of the observation system only selected 2-3 parameter demonstration points in the whole work area for demonstration, and the method used was relatively simple, and was calculated based on the assumption of isotropic media. In the region, since the geological structure does not meet the conditions of the assumption of isotropic media, this method can no longer meet the needs of technical design. First, 2-3 demonstration points cannot meet the needs, and the calculated results are biased. In addition, the calculation The method is not suitable, and the calculation result does not meet the actual production needs. For this reason, we invented a new method for demonst...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V13/00G01V1/30
Inventor 于富文段卫星刘斌宋智强魏继东陈吴金邸志欣郭磊
Owner 中石化石油工程技术服务有限公司
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