CN110107351B - Method for transferring and storing mine water - Google Patents

Method for transferring and storing mine water Download PDF

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Publication number
CN110107351B
CN110107351B CN201910355227.0A CN201910355227A CN110107351B CN 110107351 B CN110107351 B CN 110107351B CN 201910355227 A CN201910355227 A CN 201910355227A CN 110107351 B CN110107351 B CN 110107351B
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water
target layer
hole
mine
test
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CN110107351A (en
Inventor
朱开成
赵岳
晏嘉
肖雄飞
霍超
赵明
贺军
齐宽
庄建平
范静雅
赵元媛
田雨佳
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General Prospecting Institute China National Administration Of Coal Geology
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General Prospecting Institute China National Administration Of Coal Geology
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere

Abstract

The invention relates to the field of mine water treatment, and discloses a mine water transfer and storage method, which comprises the following steps: after the approximate position of the target layer is determined, selecting a proper position in a roadway of a working face, and forming a probing hole in the approximate direction of the target layer; sampling and analyzing the water sample and the rock sample of each rock stratum through the exploration hole; a water injection hole towards the target layer is formed near the exploration hole, and a water discharge test and a water pressing test are carried out on the exploration hole and the water injection hole; and determining the accurate position of the target layer according to the test results of sampling analysis, a water discharge test and a water pressing test, and forming a plurality of new water injection holes for recharging the mine water of the working face to the target layer in the roadway of the working face. The method effectively reduces the treatment cost of the mine water, protects underground water resources of the mining area and the ecological environment of the mining area, reduces water inrush disasters of the mine, and provides comprehensive technical support for safe production of the mine and ecological environment protection of the mining area.

Description

Method for transferring and storing mine water
Technical Field
The invention relates to the field of mine water treatment, in particular to a mine water transfer and storage method.
Background
Mine water refers to all water penetrating into underground mining space in the coal mining process, and sometimes contains a small amount of penetrating surface water. When mine water flows through a coal face and a roadway, due to the influence of artificial activities, coal rock powder and some organic matters enter the water and mainly contain suspended matters of the coal rock powder and soluble inorganic salts.
In the coal mining process, the discharge of mine water easily causes underground water pollution, destroys the ecological environment of a mining area, causes water inrush disasters of mines and the like. The traditional mine water treatment and utilization method is that mine water is discharged from a downhole sump, treated by an adjusting tank on the ground and various treatment structures, and utilized on the ground after the requirement of reuse water quality is met. However, the method has the defects of large capital investment, high mine water lifting and operating cost, high mine water purification cost, large floor area, poor treatment capability and the like.
Disclosure of Invention
Technical problem to be solved
In view of the technical defects and application requirements, the application provides a mine water transfer storage method to protect underground water resources of a mining area, reduce water bursting disasters of a mine and protect the ecological environment of the mining area.
(II) technical scheme
In order to solve the problems, the invention provides a mine water transfer and storage method, which comprises the following steps:
step S1: after the approximate position of a target layer is determined, selecting a proper position in a roadway of a working face, and forming a probing hole in the approximate direction of the target layer;
step S2: sampling and analyzing the water sample and the rock sample of each rock stratum through the exploration hole;
step S3: a water injection hole towards the target layer is formed near the exploration hole, and a water discharge test and a water pressing test are carried out on the exploration hole and the water injection hole;
step S4: and determining the accurate position of the target layer according to the test results of sampling analysis, a water discharge test and a water pressing test, and arranging a plurality of new water injection holes in the roadway of the working face to the target layer so as to recharge the mine water of the working face to the target layer.
Further, the specific step of step S1 includes:
performing primary drilling in a working face roadway towards a direction of a conglomerate of a coal seam bottom plate to form a first open-hole diameter section, then putting a first casing pipe in, and performing primary well cementation;
drilling along the first open-pore diameter section for the second time until the second open-pore diameter section is formed below the coal seam, then, putting a second casing pipe in, and performing second well cementation;
and performing third drilling along the second open-bore section to the target layer to form a third open-bore section, and completing the open hole to form the probing hole.
Further, the specific step of step S2 includes:
and sampling the rock core through the exploration hole, and performing structure and strength test, pore structure characteristics, and water-rich and water-permeable performance sampling analysis on each rock stratum.
Further, the step S3 specifically includes:
opening the water injection hole to the approximate direction of the target layer in a working face roadway, wherein the opening position, the final hole position and the drilling structure of the water injection hole are the same as those of the exploration hole;
and carrying out a water discharge test and a water pressing test on the water injection hole and the detection hole.
Further, the step of performing a water discharge test in step S3 includes:
adopting unsteady flow to carry out a water discharge test at the exploration hole, so that the water of the target layer overflows the exploration hole and is observed through the water injection hole;
and simultaneously carrying out a water discharge test on the exploration hole and the water injection hole by adopting non-stable flow, so that the water of the target layer overflows the exploration hole and the water injection hole, closing the exploration hole and the water injection hole after the water is stabilized, and observing the water level recovery condition.
Further, the step of performing a pressurized water test in step S3 includes:
and carrying out a water-pressing test on the exploration hole by adopting different recharging pressures, recharging water to the target layer through the exploration hole, and observing through the water injection hole.
Further, the different recharging pressures include a low pressure range from 0Mpa to 1.6Mpa, a medium pressure range from 1.6Mpa to 10Mpa, and a high pressure range above 100 Mpa.
Further, the specific step of step S4 includes:
determining the accurate position of the target layer according to the test results of sampling analysis, a water discharge test and a water pressing test, and determining whether the target layer has injectability;
and if the target layer has injectability, a plurality of new water injection holes are formed in the target layer at intervals of twice the permeation expansion radius of the flow field of the target layer so as to recharge the mine water of the working face to the target layer.
Further, if the target layer does not have injectability, re-determining the approximate position of the target layer, re-executing the steps S1 to S3 until the re-determined target layer has injectability, and opening a plurality of new water injection holes to the re-determined target layer at the interval of twice the permeation expansion radius of the flow field of the re-determined target layer so as to recharge mine water of a working face to the re-determined target layer.
Furthermore, the target layer is the gravels of the coal seam floor, and a water-resisting layer is arranged between the gravels of the coal seam floor and the roadway of the working face.
(III) advantageous effects
The invention provides a method for transferring and storing mine water, which determines the accurate position of a target layer by carrying out sampling analysis, water discharging test and water pressing test on a probing hole and a water injection hole, so that a plurality of new water injection holes are arranged in a roadway of a working face to the target layer to recharge the mine water of the working face to the target layer. The method effectively reduces the treatment cost of mine water, protects underground water resources of a mining area and the ecological environment of the mining area, reduces water inrush disasters of a mine, and provides comprehensive technical support for safe production of the mine and ecological environment protection of the mining area.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a mine water transfer storage method provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of mine water transfer and storage according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a probe hole configuration provided by an embodiment of the invention;
wherein, 1: probing the hole; 2: a water injection hole; 3: a target layer; 4: a coal seam; 11: a first open bore section; 12: a second open bore section; 13: a third open bore section.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a mine water transfer and storage method, which comprises the following steps of:
step S1: after the approximate position of the target layer is determined, a proper position is selected in a roadway of a working face, and a probing hole is formed in the approximate direction of the target layer.
Before step S1 is performed, the target layer 3 (i.e., the transfer storage layer) needs to be selected as shown in fig. 2. Below the coal-series stratum of the mining area, the conglomerate on the bottom plate of the coal seam is preferentially selected as a target layer 3. The thickness of the target layer 3 is estimated according to the water quantity of the mine and has certain permeability. In order to meet the requirement of environmental protection, the water quality of the layer is not superior to that of mine water to be treated, and a stable water-resisting layer exists between the conglomerate on the coal bed bottom plate and a working face roadway so as to avoid water inrush.
As shown in fig. 2 and 3, after the target layer 3 is selected, step S1 is started to select an appropriate position in the working face roadway, and a probe hole 1 is opened in the target layer 3 (the glutenite of the coal seam floor). Firstly, drilling in a working face roadway towards the direction of the conglomerate of the coal seam floor for the first time to form a first open-hole diameter section 11, then, putting a first casing pipe in, and performing first well cementation. And then, drilling along the first open-bore section 11 for the second time until the coal seam 4 is drilled to form a second open-bore section 12, then, putting a second casing pipe in, and performing second well cementation. And finally, performing third drilling along the second open pore diameter section 12 to the target layer 3 to form a third open pore diameter section 13. If a stable geotechnical structure is found near the third open-pore diameter section 13, such as hard lithologic compact carbonate rock or sand wall reservoir with stable and non-collapse well wall, open hole completion can be directly performed on the third open-pore diameter section 13, that is, holes are directly drilled on the third open-pore diameter section 13, and a working face roadway is communicated with the target layer 3 to form the exploration hole 1. If complex geology such as gas cap, bottom water or easy-to-collapse interlayer and the like is found near the third open pore diameter section 13, a third casing can be additionally arranged on the third open pore diameter section 13, and then well completion is carried out.
As shown in fig. 3, the borehole structure should satisfy both operability and high-strength and continuous pressurized water requirements, and is suggested to satisfy: drilling with a drill bit with the bore diameter phi 311mm, putting a first sleeve with the diameter phi 245mm, reinforcing the outer wall of the sleeve, cementing wells, installing a blowout preventer, and performing a pressure test. And drilling a drill with the diameter phi 216mm into the position 5m below the coal seam 4, and then putting a second sleeve with the diameter phi 178mm, cementing wells, stopping water, and performing a pressure test. And drilling the three-way drill bit with the phi 152mm to the target layer 3 to open a final hole.
Step S2: and sampling and analyzing the water sample and the rock sample of each rock stratum through the exploration hole.
After the exploratory hole is formed, namely step S1 is finished, core sampling is performed through the exploratory hole, and structure and strength tests, pore structure characteristics, and water-rich and water permeability of the target zone are performed on each rock stratum for sampling analysis. Specifically, the exploration hole adopts full-hole coring, all digital logging is carried out, and indoor X-ray diffraction, mercury pressing tests, electron microscope scanning, leaching tests, physical and mechanical parameter tests and the like, water quality analysis of a water sample, isotope tests and the like are carried out.
Step S3: and a water injection hole towards the target layer is formed near the exploration hole, and a water discharge test and a water pressing test are carried out at the exploration hole and the water injection hole.
After sampling analysis is finished, as shown in fig. 2, a water injection hole 2 is formed in the roadway of the working face in the approximate direction of the target layer 3, and the opening position, the final hole position and the drilling structure of the water injection hole 2 are the same as those of the exploration hole 1. The water injection hole 2 and the detection hole 1 are used for carrying out a water discharge test and a water pressing test.
Step S4: and determining the accurate position of the target layer according to the test results of sampling analysis, a water discharge test and a water pressing test, and forming a plurality of new water injection holes for recharging the mine water of the working face to the target layer in the roadway of the working face.
And after the water discharge test and the water pressure test are finished, determining the accurate position of the target layer according to the test results of the sampling analysis, the water discharge test and the water pressure test, and determining whether the target layer has injectability.
If the target layer has the injectibility, a plurality of new water injection holes are formed in the target layer at intervals of twice the penetration expansion radius of the flow field of the target layer so as to recharge the mine water on the working surface to the target layer. The mine water is continuously injected into the new water injection hole through the high-pressure pump, and can be effectively diffused after being injected under the condition of smooth radial drainage through the evolution of the flow field of the water-bearing layer, so that the mine water can be continuously injected into a target layer, and the safe, effective and low-consumption harmless treatment of the mine water is realized.
If the target layer does not have injectability, for example, the water content of the target layer is large, the currently determined target layer cannot store mine water, and the approximate position of the target layer is determined again if necessary. At this time, the process starts to repeat steps S1 to S3, and a suitable position is selected in the face tunnel, and a probe hole is opened to the approximate azimuth of the newly determined target layer. And sampling the water sample and the rock sample of each rock stratum through the exploration hole and carrying out sampling analysis. And arranging a water injection hole towards the redetermined target layer at the edge of the exploration hole, and carrying out a water discharge test and a water pressing test on the exploration hole and the water injection hole. And opening a plurality of new water injection holes to the redetermined target layer by taking twice of the permeation expansion radius of the flow field of the redetermined target layer as an interval until the redetermined target layer has injectability so as to recharge the mine water of the working surface to the redetermined target layer.
The embodiment of the invention provides a mine water transfer storage method, which is characterized in that the accurate position of a target layer is determined by carrying out sampling analysis, water discharging test and water pressing test on a probing hole and a water injection hole, so that a plurality of new water injection holes are arranged in a roadway of a working face to the target layer, and mine water of the working face is refilled to the target layer. The method effectively reduces the treatment cost of mine water, protects underground water resources of a mining area and the ecological environment of the mining area, reduces water inrush disasters of a mine, and provides comprehensive technical support for safe production of the mine and ecological environment protection of the mining area.
In one embodiment according to the present invention, as shown in fig. 2, the step of performing the water discharging test in step S3 includes: and (3) adopting unsteady flow to carry out a water discharge test on the exploration hole 1, so that water in the target layer 3 overflows the exploration hole 1 and is observed through the water injection hole 2. The drainage test is carried out on the exploration hole 1 and the water injection hole 2 by adopting unsteady flow, so that the water of the target layer 3 overflows the exploration hole 1 and the water injection hole 2, the exploration hole 1 and the water injection hole 2 are closed after stabilization, and the water level recovery condition is observed.
Specifically, the water discharge test comprises two stages, namely a first stage: firstly, a water discharge test is carried out on the exploration hole 1, so that water on the target layer 3 overflows the exploration hole 1, the water injection hole 2 is observed, and the water discharge time is not less than 15 days. And a second stage: and (3) simultaneously carrying out water discharge tests on the exploration hole 1 and the water injection hole 2, closing the water discharge valves of the two holes after the water discharge tests are stable, and observing the water level recovery condition, wherein the water discharge time is not less than 15 days. The observation time requirement is as follows: the observation is carried out for 1, 2, 3, 4, 6, 8, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 and 120min respectively at the beginning, and every 30min later until the water discharge test is finished.
It should be noted that, in order to achieve the expected purpose of the test, form a large depth drop by large flow water discharge and obtain hydrogeological parameters, the boundary condition of the aquifer must be fully exposed with a long time delay. To achieve this effect, the discharge test observation employs an unsteady flow observation time series.
In one embodiment according to the present invention, as shown in fig. 2, the step of performing a pressurized water test in step S3 includes: and carrying out a water-pressing test in the exploration hole 1 by adopting different recharge pressures, recharging water to the target layer 3 through the exploration hole 1, and observing through the water injection hole 2.
Specifically, as shown in fig. 2, during the water pressurizing test, the back-filling is performed with a large flow and a long delay, and the water pressurizing method from top to bottom can be adopted, and double-pipe and single-pipe jacking can be adopted. When the water leakage amount of the test section is large and cannot meet the specified pressure, the test or water injection can be carried out according to the pressure which can be reached by the maximum water supply capacity of the water pump. The probing hole 1 is used as a backfill hole, and the water injection hole 2 is used for observation. Then, the recharging pressure is different, and the steps can be divided into a low pressure stage, a medium pressure stage and a high pressure stage. The low pressure ranges from 0MPa to 1.6MPa, the medium pressure ranges from 1.6MPa to 10MPa, and the high pressure ranges from 100MPa or more. And through a pressurized water test, the injectability of the target recharge layer is checked, and meanwhile, relevant data in aspects of flow field evolution, permeability expansion and the like of the injected water-containing layer under the conditions of long time and high-strength recharge are obtained.
In summary, the embodiments of the present invention perform sampling by probing the hole, perform indoor X-ray diffraction, mercury intrusion test, electron microscope scanning, dissolution filtration test, physical and mechanical parameters, water quality analysis and isotope test of water sample, etc., perform technical guidance for on-site sampling, water discharge test and water pressure test, analyze and process the acquired data, and perform numerical simulation and evaluation on the perfusion flow field after analyzing the data of the water discharge test and the water pressure test, on this basis, perform evaluation on the water injection layer (target layer), including evaluation on the diameter compensation row and boundary condition of the gravel transfer storage layer of the coal seam floor, evaluation on the micropore structure and characteristics of the gravel transfer storage layer of the coal seam floor, evaluation on the permeability and injectability of the gravel transfer storage layer of the coal seam floor, evaluation on the comprehensive water storage capacity of the gravel transfer storage layer of the coal seam floor, evaluation on the anti-fracture capability and recharge safety of the gravel water-barrier of the coal seam floor, evaluation on the anti-fracture and recharge safety of the gravel water-evolution of the gravel, Evaluating the evolution of the underground water flow field and the chemical field under the condition of long-term high-strength water injection, and the like. Effectively reducing the treatment cost of mine water, protecting underground water resources of a mining area and the ecological environment of the mining area, reducing water inrush disasters of the mine and providing comprehensive technical support for safe production of the mine and the ecological environment protection of the mining area.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A mine water transfer and storage method is characterized by comprising the following steps:
step S1: after the approximate position of a target layer is determined, selecting a proper position in a roadway of a working face, and forming a probing hole in the approximate direction of the target layer;
step S2: sampling and analyzing the water sample and the rock sample of each rock stratum through the exploration hole;
step S3: a water injection hole towards the target layer is formed near the exploration hole, and a water discharge test and a water pressing test are carried out on the exploration hole and the water injection hole;
step S4: determining the accurate position of the target layer according to the test results of sampling analysis, a water discharge test and a water pressing test, and determining whether the target layer has injectability;
if the target layer has injectability, a plurality of new water injection holes are formed in the target layer at intervals of twice the permeation expansion radius of the flow field of the target layer, so that the mine water on the working face is re-injected into the target layer;
and if the target layer does not have injectability, re-determining the approximate position of the target layer, re-executing the step S1 to the step S3 until the re-determined target layer has injectability, and opening a plurality of new water injection holes to the re-determined target layer at the interval of twice the permeation expansion radius of the flow field of the re-determined target layer so as to re-inject the mine water on the working face to the re-determined target layer.
2. The mine water transfer storage method according to claim 1, wherein the specific steps of the step S1 include:
performing primary drilling in a working face roadway towards a direction of a conglomerate of a coal seam bottom plate to form a first open-hole diameter section, then putting a first casing pipe in, and performing primary well cementation;
drilling along the first open-pore diameter section for the second time until the second open-pore diameter section is formed below the coal seam, then, putting a second casing pipe in, and performing second well cementation;
and performing third drilling along the second open-bore section to the target layer to form a third open-bore section, and completing the open hole to form the probing hole.
3. The mine water transfer storage method according to claim 1, wherein the specific steps of the step S2 include:
and sampling the rock core through the exploration hole, and performing structure and strength test, pore structure characteristics, and water-rich and water-permeable performance sampling analysis on each rock stratum.
4. The mine water transfer storage method according to claim 1, wherein the step S3 specifically comprises:
opening the water injection hole to the approximate direction of the target layer in a working face roadway, wherein the opening position, the final hole position and the drilling structure of the water injection hole are the same as those of the exploration hole;
and carrying out a water discharge test and a water pressing test on the water injection hole and the detection hole.
5. The mine water transfer storage method according to claim 4, wherein the step of conducting a water discharge test in the step S3 comprises:
adopting unsteady flow to carry out a water discharge test at the exploration hole, so that the water of the target layer overflows the exploration hole and is observed through the water injection hole;
and simultaneously carrying out a water discharge test on the exploration hole and the water injection hole by adopting non-stable flow, so that the water of the target layer overflows the exploration hole and the water injection hole, closing the exploration hole and the water injection hole after the water is stabilized, and observing the water level recovery condition.
6. The mine water transfer storage method according to claim 4, wherein the step of performing a pressurized water test in step S3 comprises:
and carrying out a water-pressing test on the exploration hole by adopting different recharging pressures, recharging water to the target layer through the exploration hole, and observing through the water injection hole.
7. The mine water transfer storage method according to claim 6, wherein the different recharging pressures are adopted and comprise a low pressure range from 0MPa to 1.6MPa, a medium pressure range from 1.6MPa to 10MPa and a high pressure range above 100 MPa.
8. The mine water transfer storage method according to claim 1, wherein the target layer is gravels of a coal seam floor, and a water barrier layer is arranged between the gravels of the coal seam floor and a working face roadway.
CN201910355227.0A 2019-04-29 2019-04-29 Method for transferring and storing mine water Active CN110107351B (en)

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Publication number Priority date Publication date Assignee Title
CN111305320A (en) * 2020-02-25 2020-06-19 中国煤炭地质总局勘查研究总院 Mine water treatment method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1706970A1 (en) * 1989-11-04 1992-01-23 Государственный Проектный Институт "Южгипрошахт" Method of underground cleaning of mine water
CN102926804A (en) * 2012-11-20 2013-02-13 中国神华能源股份有限公司 Distributed underground reservoir group and transfer method for mine water in distributed underground reservoir group
CN107194615A (en) * 2017-06-28 2017-09-22 中国神华能源股份有限公司 The evaluation method of coal mine underground reservoir construction applicability
CN108663724A (en) * 2018-06-08 2018-10-16 中国矿业大学 A kind of coal mine underground reservoir position selecting method based on Water transfer path
CN208330212U (en) * 2018-06-19 2019-01-04 北京九尊能源技术股份有限公司 A kind of CBM Drilling casing programme
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1706970A1 (en) * 1989-11-04 1992-01-23 Государственный Проектный Институт "Южгипрошахт" Method of underground cleaning of mine water
CN102926804A (en) * 2012-11-20 2013-02-13 中国神华能源股份有限公司 Distributed underground reservoir group and transfer method for mine water in distributed underground reservoir group
CN107194615A (en) * 2017-06-28 2017-09-22 中国神华能源股份有限公司 The evaluation method of coal mine underground reservoir construction applicability
CN108663724A (en) * 2018-06-08 2018-10-16 中国矿业大学 A kind of coal mine underground reservoir position selecting method based on Water transfer path
CN208330212U (en) * 2018-06-19 2019-01-04 北京九尊能源技术股份有限公司 A kind of CBM Drilling casing programme
CN109610622A (en) * 2018-11-05 2019-04-12 太原理工大学 A kind of coal mining area strip-type construction filling guarantor-water storage system

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