CN112539051A - In-situ leaching uranium mining well net and in-situ leaching uranium mining construction method - Google Patents
In-situ leaching uranium mining well net and in-situ leaching uranium mining construction method Download PDFInfo
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- 238000002386 leaching Methods 0.000 title claims abstract description 79
- 229910052770 Uranium Inorganic materials 0.000 title claims abstract description 61
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000005065 mining Methods 0.000 title claims abstract description 49
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 141
- 238000002347 injection Methods 0.000 claims abstract description 81
- 239000007924 injection Substances 0.000 claims abstract description 81
- 238000005086 pumping Methods 0.000 claims abstract description 58
- 239000000243 solution Substances 0.000 claims abstract description 36
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- VYAXJSIVAVEVHF-RYIFMDQWSA-N [(8r,9s,13s,14s,17s)-17-(cyclohexen-1-yloxy)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl] propanoate Chemical compound O([C@@H]1[C@@]2(C)CC[C@@H]3C4=CC=C(C=C4CC[C@H]3[C@@H]2CC1)OC(=O)CC)C1=CCCCC1 VYAXJSIVAVEVHF-RYIFMDQWSA-N 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
- E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/28—Dissolving minerals other than hydrocarbons, e.g. by an alkaline or acid leaching agent
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides an in-situ leaching uranium mining well pattern and an in-situ leaching uranium mining construction method, which belong to the field of in-situ leaching uranium mining and comprise a horizontal liquid injection well group and a horizontal liquid pumping well group, wherein the horizontal liquid injection well group and the horizontal liquid pumping well group are both positioned in the same ore bed, and the horizontal liquid pumping well group is positioned below the horizontal liquid injection well group and is arranged corresponding to the horizontal liquid injection well group; the horizontal liquid injection well group comprises at least one horizontal liquid injection well, the horizontal liquid pumping well group comprises at least one horizontal liquid pumping well, and the horizontal liquid pumping well can receive reaction liquid infiltrated in the horizontal liquid injection well. According to the in-situ leaching uranium mining well pattern and the construction method of the in-situ leaching uranium mining, the leaching solution can be fully contacted with an ore bed, the in-situ leaching efficiency is improved, and the investment return rate is improved to a great extent.
Description
Technical Field
The invention belongs to the technical field of in-situ leaching uranium mining, and particularly relates to an in-situ leaching uranium mining well net and an in-situ leaching uranium mining construction method.
Background
The natural uranium is a nuclear power granary and a nuclear military industry foundation stone, the demand for metal uranium is rapidly increased along with rapid development of the society and continuous optimization of an energy structure, but the yield gap of the natural uranium is huge, the development of the natural uranium is increased, and the improvement of the self-sufficiency rate of the natural uranium is a major demand and challenge currently faced by China.
Sandstone-type uranium ores are the most predominant type of uranium resources in our country (about 43% of the total amount of uranium resources, the first), and the preferred mode of mining is an in-situ leaching process (referred to as "in-situ leaching"), a mining method in which valuable components are selectively leached from ores under natural burial conditions by injecting a leaching solution and compounds are produced by extraction reaction, and the mining method is called in-situ leaching mining. The basic requirement and key control factor of the ground-leaching mining process are that the ore-endowing rock stratum has a certain degree of permeability, but the permeability of the sandstone uranium ore stratum currently detected in China is generally low, low-permeability resources account for more than 70% of sandstone uranium resources (less than 0.1m/d, low permeability; 0.1-1 m/d, weak permeability; 1.0-10 m/d, optimal permeability; more than 10m/d, strong permeability), and the low permeability of the uranium reservoir stratum causes many outstanding contradictions of 'difficult injection, difficult extraction, high cost, low recovery' and the like, so that the development and utilization of the resources are seriously hindered. The ground leaching process drilling is a key link of the ground leaching uranium mining process, the ground leaching drilling is usually in a vertical well structure at present, the well arrangement mode is usually in a five-point type well arrangement mode, and some restriction factors of the vertical drilling mining mode are gradually highlighted along with the increase of the mining depth and the development scale. The disadvantages of vertical bore mining are mainly: 1) the well spacing is small, the reserve utilization degree of a single well is low, and the investment return rate is low; 2) the land site area is large, and the land renting cost is high; 3) and the development of complex topographic and geomorphic mineral deposits is difficult.
Disclosure of Invention
The invention aims to provide an in-situ leaching uranium mining well pattern and an in-situ leaching uranium mining construction method, and aims to solve the technical problem of low investment return rate caused by in-situ leaching uranium mining by adopting vertical drilling in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided an in situ leaching uranium mining well pattern, comprising:
the horizontal liquid injection well group and the horizontal liquid pumping well group are both positioned in the same ore bed, and the horizontal liquid pumping well group is positioned below the horizontal liquid injection well group and is arranged corresponding to the horizontal liquid injection well group;
the horizontal liquid injection well group comprises at least one horizontal liquid injection well, the horizontal liquid pumping well group comprises at least one horizontal liquid pumping well, and the horizontal liquid pumping well can receive reaction liquid infiltrated in the horizontal liquid injection well.
As another embodiment of this application, the liquid well group is annotated to the level with the level drawing liquid well group is equipped with a plurality ofly respectively, and in the upper and lower direction, the liquid well group is annotated to the level with the level drawing liquid well group sets up in turn.
As another embodiment of the present application, the horizontal liquid injection well is a U-shaped horizontal well, and has a first horizontal section distributed along a horizontal direction and a first extension section extending upward to the ground, where the first extension sections are respectively located at two ends of the first horizontal section;
the horizontal liquid pumping well is a U-shaped horizontal well and is provided with a second horizontal section and a second extension section, the second horizontal section is distributed along the horizontal direction, the second extension section extends upwards to the ground, and the second extension sections are respectively positioned at two ends of the second horizontal section.
As another embodiment of the present application, two first extension segments are radially and symmetrically disposed at two ends of the first horizontal segment; the two second extension sections are radially and symmetrically arranged at two ends of the second horizontal section.
As another embodiment of the present application, the first extension is perpendicular to the first horizontal segment; the second extension is perpendicular to the second horizontal segment.
As another embodiment of the application, the horizontal liquid injection wells in the same horizontal liquid injection well group are distributed along a preset direction, and the horizontal liquid pumping wells in the same horizontal liquid pumping well group are distributed along the preset direction.
As another embodiment of the application, the horizontal liquid injection wells and the horizontal liquid pumping wells corresponding to the same ore bed are distributed in a staggered mode along the preset direction.
As another embodiment of this application, the ground soaks uranium mining well pattern still includes the pilot well, the pilot well is vertical well for show ore bed information.
The in-situ leaching uranium mining well pattern provided by the invention has the beneficial effects that: compared with the prior art, the horizontal liquid injection well and the horizontal liquid pumping well are respectively arranged at the upper part and the lower part of the ore bed, the leaching liquid is injected into the horizontal liquid injection well to react with the uranium-containing part in the ore bed, and then the reaction liquid is pumped out through the horizontal liquid pumping well at the lower layer for subsequent treatment.
The invention also provides a construction method for in-situ leaching uranium mining, which comprises the following steps:
constructing a vertical guide well according to the surveying position and the direction of the mine-bearing rock stratum;
judging the information of the ore bed according to the guide well;
respectively excavating a horizontal liquid injection well and a horizontal liquid pumping well in the ore bed according to the ore bed information;
injecting a leaching solution into the horizontal injection well;
and after uranium-containing substances in the ore bed react with the leaching solution, extracting the reaction solution through the horizontal liquid extraction well.
As another embodiment of the present application, when the horizontal injection well is a U-shaped horizontal well, the injecting the leaching solution into the opening of the horizontal injection well specifically includes:
and simultaneously pressurizing and injecting the leaching solution into the openings on the two sides of the horizontal liquid injection well.
The construction method for in-situ leaching uranium mining provided by the invention has the beneficial effects that: compared with the prior art, the construction method for extracting uranium by ground leaching is characterized in that on the basis of the distribution of the well pattern, the leaching solution is injected into the horizontal liquid injection well, can effectively permeate downwards under the action of pressure, a seepage field and gravity and fully contact with an ore bed, and when the reaction solution flows into the horizontal liquid extraction well at the lower part, the reaction solution is extracted through the opening. The construction method can effectively improve the leaching range, improve the ground leaching efficiency, reduce the labor intensity and improve the return on investment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic three-dimensional distribution diagram of an in-situ leaching uranium mining well pattern according to a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional distribution diagram of an in-situ leaching uranium mining well pattern according to a first embodiment of the present invention;
fig. 3 is a schematic front view distribution diagram of an in-situ leaching uranium mining well pattern provided in the second embodiment of the present invention;
fig. 4 is a schematic cross-sectional distribution diagram of an in-situ leaching uranium mining well pattern provided in the second embodiment of the present invention.
In the figure: 1. a seam; 2. a horizontal injection well; 201. a first horizontal segment; 202. a first extension section; 3. a horizontal liquid pumping well; 301. a second horizontal segment; 302. a second extension section; 4. and (6) guiding the well.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present application, "leaching solution" refers to an unreacted raw solution, and "reaction solution" refers to a solution in which the leaching solution enters the ore bed 1 and reacts with a uranium-containing portion therein.
Referring to fig. 1 to 4 together, the in-situ leaching uranium mining well pattern provided by the present invention will now be described. The in-situ leaching uranium mining well pattern comprises a horizontal liquid injection well group and a horizontal liquid pumping well group, wherein the horizontal liquid injection well group is distributed at the upper part of an ore bed 1, the horizontal liquid injection well group and the horizontal liquid pumping well group are both positioned in the same ore bed 1, and the horizontal liquid pumping well group is positioned below the horizontal liquid injection well group and is arranged corresponding to the horizontal liquid injection well group; the horizontal liquid injection well group comprises at least one horizontal liquid injection well 2, the horizontal liquid pumping well group comprises at least one horizontal liquid pumping well 3, and the horizontal liquid pumping well 3 can receive reaction liquid seeped downwards from the horizontal liquid injection well 2.
Compared with the prior art, the horizontal liquid injection well 2 and the horizontal liquid pumping well 3 are respectively arranged at the upper part and the lower part of the ore bed, the leaching solution is injected into the horizontal liquid injection well 2 to react with the uranium-containing part in the ore bed 1, and then the reaction solution is pumped out through the lower horizontal liquid pumping well 3 for subsequent treatment.
Specifically, the lengths of the horizontal liquid injection well 2 and the horizontal liquid pumping well 3 in the horizontal direction can be substantially equal; or, the horizontal liquid pumping well 3 can be longer than the horizontal liquid injection well 2, and the longer horizontal liquid pumping well 3 can receive the reaction liquid more comprehensively, so that the recovery rate is improved.
As a specific embodiment of the in-situ leaching uranium mining well pattern provided by the present invention, please refer to fig. 2 and 4, a plurality of horizontal liquid injection well groups and a plurality of horizontal liquid pumping well groups are respectively provided, and the horizontal liquid injection well groups and the horizontal liquid pumping well groups are alternately arranged in the vertical direction. This embodiment sets up the horizontal notes liquid well 2 and the horizontal liquid well 3 of taking out of different numbers of piles according to the geology in different areas, for the distribution mode of vertical drilling, through optimizing spatial configuration, can set up multilayer horizontal notes liquid well and multilayer horizontal liquid well of taking out according to actual thickness of seam and site operation condition, also can adjust interwell distance, more be favorable to improving the reserve and use the degree, effectively save drilling cost, saved a large amount of manpower and materials, improved the investment rate of return to a great extent.
In the application, when the thickness of the ore bed is smaller, a horizontal liquid injection well group and a horizontal liquid pumping well group can be arranged, wherein the horizontal liquid injection well group is positioned at the upper part of the ore bed, and the horizontal liquid pumping well group is positioned at the lower part of the ore bed; in the ore bed with larger thickness (the thickness is more than 15m), a plurality of layers of horizontal liquid injection wells 2 and a plurality of layers of horizontal liquid pumping wells 3 can be arranged, and the horizontal liquid injection wells 2 and the horizontal liquid pumping wells 3 are alternately distributed in the vertical direction.
As a specific embodiment of the in-situ leaching uranium mining well pattern provided by the present invention, please refer to fig. 1 and 3, the horizontal liquid injection well 2 is a U-shaped horizontal well, and has a first horizontal section 201 distributed along the horizontal direction and a first extending section 202 extending upward to the ground, and the first extending sections 202 are respectively located at two ends of the first horizontal section 201; the horizontal liquid pumping well 3 is a U-shaped horizontal well, and has a second horizontal section 301 distributed along the horizontal direction and a second extending section 302 extending upward to the ground, and the second extending sections 302 are respectively located at two ends of the second horizontal section 301. This embodiment adopts the horizontal well structure of U type, can pressurize to the both sides of horizontal well simultaneously through equipment and pour into the leaching solution into, is favorable to improving the diffusion and the infiltration effect of leaching solution.
In addition, in addition to this embodiment, the specifications of the horizontal liquid injection well 2 and the horizontal liquid extraction well 3 may be set to be the same, and if a plurality of layers of the horizontal liquid injection well 2 and the horizontal liquid extraction well 3 are arranged in the same mineral seam, the functions of the horizontal liquid injection well 2 and the horizontal liquid extraction well 3 may be interchanged, i.e., liquid injection may be performed through the upper horizontal liquid extraction well 3, and liquid extraction may be performed through the lower horizontal liquid injection well 2.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, for convenience of construction and reasonable space optimization, two first extension sections 202 are radially and symmetrically disposed at two ends of the first horizontal section 201; two second extending sections 302 are radially and symmetrically arranged at two ends of the second horizontal section 301.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 3, in order to further facilitate the construction, the first extending section 202 is perpendicular to the first horizontal section 201; the second extension 302 is perpendicular to the second horizontal segment 301.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 4, the horizontal injection wells 2 in the same horizontal injection well group are distributed along a preset direction, and the horizontal pumping wells 3 in the same horizontal pumping well group are distributed along the preset direction. In this embodiment, the distribution direction of the horizontal liquid injection well 2 is the same as the distribution direction of the horizontal liquid pumping well 3, so that the arrangement of the horizontal liquid injection well 2 and the horizontal liquid pumping well 3 meets the characteristics of an ore bed, the permeation effect can be improved, and the recovery rate of the reaction liquid can be increased.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 4, the horizontal liquid injection wells 2 and the horizontal liquid pumping wells 3 corresponding to the same mineral seam 1 are distributed in a staggered manner along a predetermined direction. Because the leaching solution not only diffuses downwards but also diffuses around after entering the ore bed 1, the effective recovery rate of the reaction solution after leaching can be improved by the error detection distribution mode.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1, the in-situ leaching uranium mining well pattern further includes a guiding well 4, and the guiding well 4 is a vertical well and is used for displaying the information of the ore bed. The guide well 4 is constructed according to the position and the trend of surveying, can help to show the ore bed information including the information such as the position and the thickness of the ore bed, and provides guidance for the construction of the horizontal liquid injection well 2 and the horizontal liquid pumping well 3.
The invention also provides a construction method for in-situ leaching uranium mining. The construction method for in-situ leaching uranium mining comprises the following steps:
constructing a vertical guide well 4 according to the position and the trend of the surveying of the mine-bearing rock stratum;
judging the information of the ore bed according to the guide well 4;
respectively excavating a horizontal liquid injection well 2 and a horizontal liquid pumping well 3 in the ore bed 1 according to the ore bed information;
injecting a leaching solution into the horizontal liquid injection well 2;
after the uranium-containing substances in the ore bed 1 react with the leaching solution, the reaction solution is pumped out through the horizontal pumping well 3.
The construction method for in-situ leaching uranium mining provided by the invention is characterized in that on the basis of the distribution of the well pattern, leaching solution is injected into the horizontal liquid injection well 2, the leaching solution can effectively permeate downwards under the action of pressure, a seepage field and gravity and is fully contacted with the ore bed 1, and when the reaction solution flows into the horizontal liquid extraction well 3 at the lower part, the reaction solution is extracted through the opening. The construction method can effectively improve the leaching range, improve the ground leaching efficiency, reduce the labor intensity and improve the return on investment.
As a specific implementation manner of the embodiment of the present invention, when the horizontal injection well 2 is a U-shaped horizontal well, injecting a leaching solution into the horizontal injection well 2 specifically includes:
the leaching solution is simultaneously injected into the openings on both sides of the horizontal leaching well 2 under pressure.
The liquid injection device is structurally carried out on the U-shaped horizontal well, and the horizontal part of the horizontal well is long, so that liquid injection is carried out in a bilateral pressurization mode, and infiltration of the leaching liquid is facilitated.
As a specific implementation manner of the embodiment of the present invention, the constructing of the vertical pilot shaft according to the position and the strike of the orescenting rock formation survey further includes:
and performing geological survey on the target mining area, and determining the position and the trend of the ore-bearing layer (namely the spatial distribution range of the ore layer).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The in-situ leaching uranium mining well pattern is characterized by comprising a horizontal liquid injection well group and a horizontal liquid pumping well group, wherein the horizontal liquid injection well group and the horizontal liquid pumping well group are both positioned in the same ore bed, and the horizontal liquid pumping well group is positioned below the horizontal liquid injection well group and is arranged corresponding to the horizontal liquid injection well group;
the horizontal liquid injection well group comprises at least one horizontal liquid injection well, the horizontal liquid pumping well group comprises at least one horizontal liquid pumping well, and the horizontal liquid pumping well can receive reaction liquid infiltrated in the horizontal liquid injection well.
2. The in-situ leaching uranium mining well pattern according to claim 1, wherein a plurality of horizontal liquid injection well groups and a plurality of horizontal liquid pumping well groups are respectively arranged, and the horizontal liquid injection well groups and the horizontal liquid pumping well groups are alternately arranged in the vertical direction.
3. The in-situ leaching uranium mining well pattern according to claim 1, wherein the horizontal liquid injection well is a U-shaped horizontal well, and is provided with a first horizontal section distributed along the horizontal direction and a first extension section extending upwards to the ground, and the first extension sections are respectively positioned at two ends of the first horizontal section;
the horizontal liquid pumping well is a U-shaped horizontal well and is provided with a second horizontal section and a second extension section, the second horizontal section is distributed along the horizontal direction, the second extension section extends upwards to the ground, and the second extension sections are respectively positioned at two ends of the second horizontal section.
4. The in-situ leaching uranium mining well pattern of claim 3, wherein two of the first extension segments are radially symmetrically disposed at both ends of the first horizontal segment; the two second extension sections are radially and symmetrically arranged at two ends of the second horizontal section.
5. A uranium in-situ extraction well pattern according to claim 3, wherein the first extension is perpendicular to the first horizontal segment; the second extension is perpendicular to the second horizontal segment.
6. The in-situ leaching uranium mining well pattern according to claim 1, wherein the horizontal injection wells in the same horizontal injection well group are distributed in a preset direction, and the horizontal pumping wells in the same horizontal pumping well group are distributed in the preset direction.
7. A uranium in-situ leaching well pattern according to claim 6, wherein the horizontal infusion wells and the horizontal pumping wells corresponding to the same seam are staggered in the predetermined direction.
8. The in-situ dip uranium mining well pattern of claim 1, further comprising a guidance well, the guidance well being a vertical well for displaying mineral bed information.
9. The construction method for extracting uranium by in-situ leaching is characterized by comprising the following steps:
constructing a vertical guide well according to the surveying position and the direction of the mine-bearing rock stratum;
judging the information of the ore bed according to the guide well;
respectively excavating a horizontal liquid injection well and a horizontal liquid pumping well in the ore bed according to the ore bed information;
injecting a leaching solution into the horizontal injection well;
and after uranium-containing substances in the ore bed react with the leaching solution, extracting the reaction solution through the horizontal liquid extraction well.
10. The in-situ leaching uranium mining construction method according to claim 9, wherein when the horizontal liquid injection well is a U-shaped horizontal well, the injecting of the leaching liquid into the horizontal liquid injection well specifically comprises:
and simultaneously pressurizing and injecting the leaching solution into the openings on the two sides of the horizontal liquid injection well.
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Cited By (6)
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| CN113503150A (en) * | 2021-08-17 | 2021-10-15 | 李志忠 | Bauxite in-situ leaching mining method |
| CN115075797A (en) * | 2022-07-22 | 2022-09-20 | 核工业北京化工冶金研究院 | Well spacing determination method and system for in-situ leaching exploitation of high-permeability sandstone uranium/copper ore |
| CN116335622A (en) * | 2023-03-17 | 2023-06-27 | 核工业北京化工冶金研究院 | Method and system for arranging and production regulation and control of in-situ leaching uranium mining well pattern |
| CN116432546A (en) * | 2023-02-28 | 2023-07-14 | 河海大学 | Horizontal well pattern on-site leaching uranium mining well storage coupling simulation method and system |
| CN117188999A (en) * | 2023-11-07 | 2023-12-08 | 核工业北京化工冶金研究院 | Efficient well flushing method for U-shaped well for in-situ leaching uranium mining |
| CN117828732B (en) * | 2024-01-02 | 2024-05-31 | 中国恩菲工程技术有限公司 | Slope stability determining method and system based on digital twin, medium and terminal |
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