Cracking exploitation for reussin mine

A mining method and technology for mirabilite ore, which are applied in the fields of mining fluids, earthwork drilling, wellbore/well components, etc., can solve the problems of neglecting the rapid dissolution of the soluble ore layer, the difficulty of mining wells, and the increase of underground accidents. The effect of mine investment, improving mining rate and reducing underground accidents

Inactive Publication Date: 2006-08-16
上海太平洋化工(集团)淮安元明粉有限公司
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its shortcoming is that nitric water is very easy to crystallize in the pipeline, causing pipe blockage and increasing downhole accidents
Its shortcoming is that long-distance horizontal directional drilling is required, and it is difficult to excavate the mine, and because

Method used

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  • Cracking exploitation for reussin mine

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Experimental program
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Effect test

Embodiment

[0018] Embodiment: After the geological structure of a certain Glauber's salt mine has been ascertained, it is determined that the burial depth of the ore bed is relatively deep, the ore body has no fractures, the floor interface of the ore bed is impermeable, and the thickness of the ore bed is greater than 2M, which is suitable for implementing the present invention. Referring to the accompanying drawings, the specific implementation steps are as follows:

[0019] (1) Drilling target well 1

[0020] The target well 1 is drilled to the depth of the mine floor interface 5. In this embodiment, the target well 1 is a straight well. In this embodiment, the depth of the target well 1 is 2115 meters.

[0021] (2) Drilling directional well 2

[0022] Along the ore vein direction, the well position of the directional well 2 is designed at a distance of 300M from the above-mentioned target well. The directional well 2 is drilled to the depth of the bottom plate interface 5 of the ore...

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Abstract

A method of mirabilite pressing cracks mine is carried out by: 1. drill to the aim well which is deep to base interface of ledge; 2. drill to directional well which is deep to base interface of ledge, and the bottom of the directional well tend to the direction of the aim well along the base interface of ledge; 3. pour water and exert pressure to the directional well until crannies on the base interface of ledge which connect with the aim well; 4. water-solubility mining. The advantages of this method are: improving the veracity and reliability of pressing crack, saving fund, improving mine ratio and concentration of brine.

Description

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Claims

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Application Information

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Owner 上海太平洋化工(集团)淮安元明粉有限公司
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