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A method to aid in the exploration, mine design, evaluation and/or extraction of metalliferous mineral and/or diamond deposits

A metal mineral and diamond technology, applied in the field of seismic survey, can solve problems such as three-dimensional full-wave field seismic tomography that have not been studied, and achieve the effect of reducing costs

Inactive Publication Date: 2014-02-05
IMPERIAL INNOVATIONS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For these tasks, 3D full-wavefield seismic tomography has not been studied

Method used

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  • A method to aid in the exploration, mine design, evaluation and/or extraction of metalliferous mineral and/or diamond deposits
  • A method to aid in the exploration, mine design, evaluation and/or extraction of metalliferous mineral and/or diamond deposits
  • A method to aid in the exploration, mine design, evaluation and/or extraction of metalliferous mineral and/or diamond deposits

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Embodiment Construction

[0025] In mining applications, it is useful to be able to predict the location and mechanical properties of the subsurface (eg, a section of the surface), especially the surface where beneficial mineral deposits can be captured.

[0026] Deposits of interest may include metallic minerals and / or diamond deposits and / or non-carbonaceous minerals, (ie, deposits other than petroleum and / or deposits other than coal and / or coalbed methane).

[0027] Information on the properties of subsurface rock formations is useful in exploration (i.e., determining where suitable mineral deposits are located), mine design (e.g., making decisions about the configuration of the mine shaft), evaluation (e.g., It is useful in assisting in determining the location and size of explosives to be placed during the mining of mineral deposits. The present invention is directed to a method that facilitates these activities.

[0028] The invention is also directed to a method of exploration for metallic mine...

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Abstract

A method to aid in the exploration, mine design, evaluation and / or extraction of metalliferous mineral and / or diamond deposits in a subsurface comprises providing three-dimensional seismic data; providing an initial model of the subsurface; performing wavefield tomography at least partly as a function of at least one property of the subsurface in three-dimensions using the initial model and the seismic data to generate an updated model; and determining an estimate of the at least one property of the subsurface from the updated model. A plurality of sources and receivers 130 are used to obtain the data, some of which 120 may be in a borehole or mine shaft and others 110 may be in the gallery of a mine. An explosion used in the block caving process may be used as a seismic source. The tomography may be implemented in the time, frequency or Laplace domains, and synthetic seismic data may be generated by solving the acoustic, elastic or visco-elastic wave equations using finite differences, finite elements or spectral elements.

Description

technical field [0001] The present invention relates to a technique useful for prospecting, mine design, evaluation and / or mining of metallic mineral and / or diamond deposits in subterranean formations, and more particularly to a technique using seismic surveying for this purpose. Background technique [0002] Seismic exploration has been used in the exploration and development of oil and gas deposits. Surveying is performed on land and in water and involves examining the geological formations of subsurface rock formations. The survey is accomplished by recording at least one source (eg, sound waves) with at least one seismic sensor. The hypocenter need not be artificially formed or located at an exactly known location. Natural or (potentially) induced seismic events can be used as passive sources. The passage of elastic energy in the form of seismic waves from source to sensor is influenced by geological formations. Thus, the information received at the sensors contains ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/30
CPCG01V1/306G06Q10/067G06Q50/02G01V1/104G01V1/282G01V1/30
Inventor 迈克尔·罗伯特·沃纳伊万·斯戴克阿德里安·保罗·安普勒比
Owner IMPERIAL INNOVATIONS LTD
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