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Fault three-dimensional digital detection method

A detection method and fault technology, applied in the field of seismic data interpretation in seismic exploration, can solve the problems of inability to mark and compare the orientation and contour of faults in different structures, and inability to effectively detect faults.

Active Publication Date: 2021-02-12
高军
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Problems solved by technology

[0004] The existing fault detection cannot accurately further mark and compare the orientation and contour of different structural faults, and at the same time cannot effectively detect micro faults or other faults of different ranges

Method used

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Embodiment Construction

[0073] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0074] refer to figure 1 with Figure 4 , a fault three-dimensional digital detection method, comprising the following steps:

[0075] S101: Use DMIS technology to establish an advanced seismic observation model, and collect and process seismic data;

[0076] S102: start to use detection instruments to conduct tomographic detection experiments;

[0077] S103: Emitting a colored light source to the fault surface through PET color image technology, and judgin...

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Abstract

The invention discloses a fault three-dimensional digital detection method, which comprises the following steps of: establishing an earthquake advanced observation model by using a DMIS technology, acquiring and processing earthquake data, starting to carry out a fault detection experiment by using a detection instrument, emitting a color light source to the surface of a fault by using a PET colorimage technology, taking the initial contour area corresponding to the minimum difference value as a contour area forming the section on a PET emission image, and locking the orientation of the section. Compared with a traditional section positioning method, the method has the advantages that chroma coding can be carried out on faults of different structures by the aid of PET technologies, accordingly, the faults can be marked and can be compared with preset thresholds, the positions of different faults and the structural contours of the faults can be known more accurately, the positions of the faults can be observed more visually and clearly, the positions of the faults can be judged, the faults are automatically measured and recorded through a four-point boundary typing method, data processing is conducted on measurement results, and the results are compared automatically.

Description

technical field [0001] The invention relates to the technical field of seismic data interpretation in seismic exploration, in particular to a three-dimensional digital fault detection method. Background technique [0002] The surface of the fault is composed of a free-form surface, and its surface shape is directly related to the surface wave exploration survey and the dynamic response of the soil slope under the action of near-fault earthquakes. Therefore, the accuracy requirements are high and the amount of data information is large. Low, time-consuming, can not meet the requirements, so the detection of fault surface morphology tends to reverse engineering. The free-form surface measurement of fault surface morphology is the key to transplanting three-coordinate measurement technology into earthquake physics simulation. The structure that the crustal rock layer ruptures due to the force reaching a certain strength and has obvious relative movement along the rupture surfa...

Claims

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Application Information

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IPC IPC(8): G01V1/28G01V1/30
CPCG01V1/282G01V1/306G01V2210/642Y04S10/52
Inventor 王岭高军陈敏汤宇刘德安陈红胡恒良薛明智陈志明黄正凯乔保卫张松李行利游国平张晓晓林晓谭发刚
Owner 高军
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