Rock identification classification method and system

A technology for identifying classifications and rocks, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as unproposed solutions

Active Publication Date: 2015-12-09
PETROCHINA CO LTD
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Problems solved by technology

[0003] For the above problems, no

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  • Rock identification classification method and system
  • Rock identification classification method and system
  • Rock identification classification method and system

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Embodiment Construction

[0052] The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention.

[0053] as attached figure 1 As shown, the present invention provides a kind of identification and classification method of rock, comprises the steps:

[0054] S101: Pick up the laser intensity value corresponding to each point with spatial geometric information in the 3D point cloud data of the outcrop;

[0055] S102: Correcting the laser intensity value of each point i...

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Abstract

The invention discloses a rock identification classification method and a system. The rock identification classification method comprises steps of picking up laser intensity value corresponding to the every point having spatial geometry information from three-dimension point cloud data of outcrop, performing correction on laser intensity of each point of the outcrop to obtain a corrected laser intensity value, and performing classification and identification according to the corrected laser intensity. The invention obtains the laser intensity value data of the outcrop. As the laser intensity value reflects the outcrop ability of reflecting the laser, and, meanwhile, the different lithological outcrops have different reflection abilities for laser, the classification identification of the outcrop rock can be realized through the laser intensity value. Furthermore, through the correction on the obtained laser intensity value, the accuracy of the classification identification of the outcrop rock can be improved.

Description

technical field [0001] The invention relates to the technical field of oil and gas fine geological remote sensing applications, in particular to a rock identification and classification method and system. Background technique [0002] Reservoir outcrop is the true description of underground reservoir. The investigation and dissection of reservoir outcrop is an effective means to establish geological model of underground reservoir, which can be widely used in oil and gas exploration and oil and gas development technology. At present, the research methods on outcrops are still limited to on-site investigation and manual description. Therefore, in order to dissect reservoir outcrops, a large number of geologists usually need to carry geological tools such as geological hammers, measuring tapes, and magnifying glasses to the field for surveying. Research on reservoir outcrops has brought great difficulties. Furthermore, there is no detailed quantitative research method for rese...

Claims

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Application Information

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IPC IPC(8): G06K9/62
CPCG06F18/241
Inventor 曾齐红盛洁张友焱谢兴叶勇刘松胡艳马志国张强马乙云邢学文于世勇申晋利
Owner PETROCHINA CO LTD
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