Rake-type exploring process method of deep mineral resource

A technology of mineral resources and process methods, applied in the field of exploration and coring, can solve the problems of increased input costs, increased drilling costs, and reduced effects of vertical drilling methods.

Inactive Publication Date: 2013-01-16
徐白山 +1
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Problems solved by technology

[0004] When the buried depth of the ore body (vein) is relatively shallow, the traditional vertical drilling method is used to carry out the multi-stage exploration of general, general, detailed, detailed, and supplementary exploration by using the traditional vertical drilling method. Long construction period and high drilling cost
In the implementation of exploration, with the increase of drilling depth, the cost of drilling operations will increase exponentially, and the shallow geological conditions are complex and unstable, and drilling exploration accidents such as hole collapse are prone to occur. The one-time master hole cementing method

Method used

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  • Rake-type exploring process method of deep mineral resource

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Embodiment Construction

[0010] The implementation steps of this method are as follows:

[0011] (1) Determine the target point and target area where the mother hole is scheduled to reach the target layer, and design the drilling position and depth of the mother hole, the position of the kickoff point and each The direction and drilling depth of the branch hole. There are two design methods: drawing method and calculation method, and there is no substantial difference between the two.

[0012] (2) Drilling of the parent hole (ie the main well hole): After the hole is opened, technical casing is installed and cemented, and then drilling is continued until the drilling of the parent well is completed. The process is no different from conventional drilling.

[0013] (3) After the drilling of the mother hole is completed, start drilling each branch hole. During branch hole drilling, build-up points should be reasonably selected, the installation angle of the build-up tool should be calculated, the build...

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Abstract

The invention relates to an exploring and coring mining process method of mineral resources comparatively deeply buried, in particular suitable for exploring and coring mining thin mineral resources comparatively deeply buried under a thick covering layer with a high dip angle. According to the method, branch holes are derived and drilled from a parent drilling hole, to avoid an invalid drilling working amount that the drilling hole group repeatedly penetrates the covering layer from the ground, therefore, an effective distance between a drilling starting point and the mine is closer and the exploring footage is greatly reduced; a ''true/false'' exploring result among critical holes of a high-angle objective is avoided. The method is a rake-type drilling exploring method which realizes multiple branches on a main, greatly shortens the exploring cycle, reduces the exploring cost and greatly reduces an influence of a mud pit pollution on the environment, and brings considerable social environmental-friendly benefits and economic benefits in the exploration of the deep resource.

Description

Technical field [0001] The method relates to the exploration and drilling technology of deeply buried mineral resources, and is especially suitable for the exploration and coring of thin and multi-layered ore layers, dykes, and vein-type mineral resources with deep buried depths and high dip angles. Background technique [0002] In today's energy-saving, green, environmentally-friendly and sustainable development, human survival and development are completely dependent on earth resources. It can be said that the history of human civilization development is a history of utilizing and developing earth resources. At this stage, with the shortage of global resources and the improvement of mining technology capabilities, people are turning their attention to the deep resources of the earth. my country has taken the expansion of deep mineral exploration as a national policy at the present stage, relying on scientific and technological innovation to promote deep ore prospecting wor...

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Application Information

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IPC IPC(8): G01V1/40
Inventor 徐白山孙豁然柳晓波郝智坚穆林森石光益
Owner 徐白山
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