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Salt lake deep brine zone exploration method based on radon gas indication

A technology of radon gas and brine, applied in the field of prospecting, can solve the problems of low efficiency and large investment, achieve the effect of low cost and improve the efficiency of exploration

Active Publication Date: 2021-03-16
INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above analysis, the present invention aims to provide a radon-indicating deep brine zone exploration method in salt lakes to solve the problems of low efficiency and large investment in the existing deep brine resource exploration methods in salt lake areas, and can quickly , accurate and low-cost identification of deep potassium-rich and / or lithium-rich brine fault zones and their surface exposure locations

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  • Salt lake deep brine zone exploration method based on radon gas indication
  • Salt lake deep brine zone exploration method based on radon gas indication
  • Salt lake deep brine zone exploration method based on radon gas indication

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Embodiment 1

[0048] Radon is an intermediate product of radium nuclear decay, is a kind of inert gas element, and is a typical aerophilic element. In natural radiation systems, the isotopes of radon are 222 Rn, 220 Rn and 219 Rn, where 222 Rn isotope half-life is 3.825d, while 220 Rn and 219 The half-life of Rn is relatively short, usually only a few seconds to tens of seconds, so the object of radon gas measurement is usually 222 Rn. Radon is highly active and has a strong ability to migrate. 222 Rn is widely distributed in rocks, soil, air and water, and is easily soluble in water and adsorbed on solid surfaces. Under certain conditions of pressure difference, temperature difference, and gradient difference, radon gas migrates from bottom to top. During the migration process, different radon gas accumulations are formed underground due to the different rock properties and structural environments it passes through. When there is a fracture underground, the damage of the fracture t...

Embodiment 2

[0076] Another specific embodiment of the present invention discloses a radon-based exploration method for the deep brine zone in the salt lake, using the exploration method in Example 1 to explore the exposed position and fault zone of the brine fault zone 1 in the salt lake area After the exposed boundary 6 on the surface, drilling engineering holes are arranged. By first delineating the exposed boundary of the fault zone on the surface according to the chemical characteristics of radon gas, and then accurately laying out the drilling engineering holes, not only can the exploration efficiency be greatly improved, but also the exploration cost can be reduced.

[0077] The deep brine zone exploration method of the salt lake based on the radon indication of the present embodiment comprises the following steps:

[0078] Step 1: Based on the distribution range and distribution characteristics of tensional fault zones in the area to be explored, draw a distribution map of tensiona...

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Abstract

The invention discloses a salt lake deep brine zone exploration method based on radon gas indication, belongs to the technical field of prospecting, and solves the problems of low efficiency and largeinvestment of an existing salt lake region deep brine resource exploration method. The salt lake deep brine zone exploration method comprises the steps of: setting radon gas profile exploration linesin a direction perpendicular to a tensile fault zone on the basis of a distribution range and distribution characteristics of a tensile fault zone in a to-be-explored region; carrying out radon gas measurement to obtain radon gas concentration measurement values of all radon gas measurement points on the exploration line; screening radon gas concentration positive abnormal value measuring points,and projecting radon gas concentration positive abnormal values to a tensile fault zone distribution diagram according to the coordinates of the measuring points; and determining the measuring pointpositions of the radon gas concentration positive abnormal value as the exposed position of a salt lake region brine fault zone on the earth surface, and delimiting the earth surface exposed boundary.According to the salt lake deep brine zone exploration method, the deep potassium-rich and / or lithium-rich brine fault zone and the ground surface exposure position thereof can be quickly and accurately recognized in the salt lake region at low cost, and the layout of deep potassium-rich and / or lithium-rich brine exploitation drilling wells is guided.

Description

technical field [0001] The invention relates to the field of prospecting technology, in particular to a method for exploring deep water zones in salt lakes based on radon gas indication, in particular to a method for exploring potassium-rich and / or lithium-rich brine zones in deep salt lakes based on radon gas indication. Background technique [0002] Quaternary salt lakes in my country are rich in potassium, lithium and other national strategic resources. Among them, potassium salt has always been a bulk mineral resource that is in short supply in my country, and the production of potassium fertilizer plays an irreplaceable role in ensuring my country's food security; lithium, as the lightest metal in nature, is widely used in emerging industries such as new energy, new materials and high-end equipment manufacturing , known as "the energy metal of the 21st century". [0003] At present, my country's potassium, lithium and other resources are mainly developed and utilized fo...

Claims

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Application Information

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IPC IPC(8): G01V5/00
CPCG01V5/00
Inventor 张华焦鹏程刘成林赵艳军姚佛军胡宇飞刘万平
Owner INST OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
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