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Method for implementation of spectral database for petroleum gas exploration

A spectrum library and spectrum technology, applied in the field of spectrum processing and spectrum library implementation, to achieve the effect of wide coverage, good completeness, and convenient data query

Inactive Publication Date: 2013-02-27
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0005] However, at present, there is no spectral library specifically for altered minerals caused by oil and gas micro-seepage in my country.

Method used

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  • Method for implementation of spectral database for petroleum gas exploration
  • Method for implementation of spectral database for petroleum gas exploration
  • Method for implementation of spectral database for petroleum gas exploration

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Embodiment Construction

[0047] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0048] A method for realizing a spectral library for oil and gas exploration provided by the present invention, the specific steps of the method are as follows:

[0049] (1) Raw data preparation

[0050] Raw data includes spectral data and mineral content data.

[0051] There are four sources of spectral data:

[0052] 1) The standard spectrum of each pure mineral in the USGS typical feature spectral library, the pure mineral includes illite, dolomite, kaolinite, montmorillonite, mixed Imonite, chlorite, calcite, plagioclase Stone, quartz, potassium feldspar and hornblende, each mineral corresponds to a spectrum;

[0053] 2) The standard spectra of pure minerals in the JPL typical ground object spectral library of NASA's Jet Propulsion Laboratory, the pure minerals include illite, dolomite, kaolinite, montmorillonite, mixed Imonite, chlorite, and calcit...

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Abstract

The invention discloses a method for implementation of a spectral database for petroleum gas exploration. The method can be used for searching spectral information, spectral feature information and mineral content information. Through the method, an earth surface spectrum produced by petroleum gas micro-leakage is subjected to spectrum processing according to reflectance spectrometry knowledge so that data support and search support of petroleum gas exploration are improved. The method comprises the following steps of original data preparation, spectral data pre-treatment, spectral signature extraction and database building. In query of data in the spectral database, a user carries out a spectrum and mineral content query process, a spectrum and spectral signature query process, and a spectral signature and mineral content query process. After the each data query process, the spectral database outputs data comprising a spectrogram, spectrum information, spectral signature information and mineral content information.

Description

technical field [0001] The invention relates to spectrum processing technology, belongs to the technical field of oil and gas exploration, and in particular relates to a method for realizing a spectral library used for oil and gas exploration. Background technique [0002] Nowadays, with the rapid development of science and technology, oil and gas are one of the most important resources of human beings, and the development of its exploration technology is also becoming more and more informatized and intelligent. Improving the success rate of exploration and minimizing the cost of exploration have become the core issues of the technical development of oil exploration. The use of spectral data in hyperspectral images and reflection spectroscopy related knowledge of spectral data measured in the field for oil and gas exploration has achieved certain results. In the current era of vigorous development of informatization, oil and gas exploration technology based on hyperspectral...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01V8/02
Inventor 刘幸陈小梅李倩倩毛冰晶倪国强
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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