CN108343440A - A kind of heading cavitation flood pattern - Google Patents
A kind of heading cavitation flood pattern Download PDFInfo
- Publication number
- CN108343440A CN108343440A CN201810191584.3A CN201810191584A CN108343440A CN 108343440 A CN108343440 A CN 108343440A CN 201810191584 A CN201810191584 A CN 201810191584A CN 108343440 A CN108343440 A CN 108343440A
- Authority
- CN
- China
- Prior art keywords
- water
- cavitation
- pulse
- heading
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 239000003245 coal Substances 0.000 claims abstract description 46
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 16
- 230000002706 hydrostatic effect Effects 0.000 claims description 12
- 230000011218 segmentation Effects 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a kind of heading cavitation flood patterns, including pulse water flooding subsystem, the liquid outlet of pulse water flooding subsystem waits for that water filling coal seam is connected to by water injection pipe and setting regions, to offer high-tension pulse bath in water filling coal seam is waited for described in the region, to further include the air injection subsystem that injection air realizes cavitation water filling into high-tension pulse bath.The present invention realizes cavitation water filling by being pressed into air into pulse high pressure water stream, due to the corrosivity of continuous air bubbles so that the property noted in crack burn into coal seam improves, crack is promoted to crack and penetrate through in coal seam.In addition, air molecule diameter is less than hydrone, air molecule is enable to enter the inaccessiable tiny hole of hydrone and then reaming so that hydrone, which can enter, to be achieved the purpose that enhance coal seam permeability and dilute gas density in coal seam, achievees the purpose that abundant water filling.
Description
Technical field
The invention belongs to heading flood pattern technical field more particularly to a kind of heading cavitation flood patterns.
Background technology
West area is the important coal production base in China, bears the mission for ensureing Chinese energy safety.With adopting
The increase of depth is dug, the coal mine of this area is faced with increasingly serious bump and threatens.Coal-bed flooding is current China's coal
The Controlling of Coal Outburst method that mine generally uses provides crack and the hole that high pressure makes underground water enter coal seam by water injecting pump
In, softening coal seam makes the high stress in country rock be shifted to deep.For exploiting the coal seam with burst trend, coal-bed flooding is
One long-term process, a large amount of electric energy will be expended by providing the water pump of high pressure in this course, and water pump is normally at coal mine
Under, the circuit of heat and complexity that water pump generates for a long time all makes the gas explosion risk that coal mine faces increase.It is noted to increase
Water, currently for the coal seam of the property noted difference, it is common to use the mode of pulse water flooding carries out water filling, but this water-filling method due to
Frequently exist without constant pressure, can usually cause the water filling end cracks in coal seam perforation nearby of water injection pipe limited.Patent
201110204015.6 disclose a kind of water injection system for coal seams, use pulse water flooding mode, but for the coal of the property noted difference
Layer is still difficult the stress for significantly improving roadway surrounding rock although pulse water flooding mode improves for water injection rate
Situation.In addition, for China mine of western, water resource is extremely deficient, and underground water is less so that this area's Bumping Pressure in Coal Layers
Preventing and controlling face the challenge.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of heading cavitation flood pattern that flood effectiveness is good.
In order to solve the above technical problems, heading cavitation flood pattern provided by the present invention, including pulse water flooding
System, the liquid outlet of the pulse water flooding subsystem wait for that water filling coal seam is connected to by water injection pipe and setting regions, with to the area
The described of domain waits for that water filling coal seam provides high-tension pulse bath, further includes the sky that injection air realizes cavitation water filling into high-tension pulse bath
Gas injects subsystem.
Further, air injection subsystem includes air compressor and appendix, one end of the appendix with
The outlet side of air compressor is docked, and the other end is connected to water injection pipe, and the appendix is equipped with air pressure regulator and air gauge.
Further, the pulse water flooding subsystem includes being connected to water storage with earth's surface coal washery effluent treatment plant water outlet
Case, the water inlet pipe being connected to water tank water outlet, hydrostatic driving formula pulse water hammer and water injecting pipeline, the water inlet pipe water outlet are logical
It crosses water shunting valve and separates two branches, wherein a branch is connected to the water inlet of hydrostatic driving formula pulse water hammer, another branch
Road is connected to the water inlet end of water injecting pipeline, and static pressure water meter and control valve, the water injecting pipeline are equipped on the water injecting pipeline
It is connected to water injection pipe by polywater device with the water outlet of hydrostatic driving formula pulse water hammer, it is total that the polywater device is equipped with hydraulic pressure
Table.
Further, wait for that water filling coal seam depth enables to head pressure to be equal to or more than maximum water injection pressure (pulsation
The corresponding total water injection pressure of hydraulic pressure peak value).
Further, the polywater device includes shell, and it is open end that the enclosure, which is formed with top, and bottom end is envelope
The chamber of closed end, the interior sliding of the chamber are provided with lateral water-stop sheet, the company of sealing between the transverse direction water-stop sheet and chamber internal perisporium
Connect the open chamber that chamber is divided into the confined chamber and top of bottom end, the outer casing bottom be equipped be connected to the confined chamber and with
Water injecting pipeline and the hydrostatic driving formula pulse water hammer water outlet water inlet docked and the water outlet being connected to water injection pipe, described outer
It is additionally provided on shell several with chamber and along its spaced apart several hydraulic pressure isocon of extreme direction that are open.
Further, the top end face of the chamber sidewall is equipped with U-shaped notch, symmetrical on the two side of the U-shaped notch
Equipped with handle runner, diaphragm seal elasticity Convole Unit, the lattice section of convolution are equipped with positioned at the bottom end of U-shaped notch on the shell
Formula diaphragm seal is connected with moving handle is confined, and confining moving handle can move freely in handle runner and can pass through rotation
Realize the confinement and relaxation for confining moving handle, the bottom end and lateral water-stop sheet for confining moving handle are sealedly and fixedly connected, lattice section
The both sides sealing of formula diaphragm seal is installed in the handle runner of U-shaped notch both sides, to realize confined chamber side U-shaped notch it is close
Envelope, when confining handle relaxation, the automatic convolution of lattice segmentation diaphragm seal may be implemented in diaphragm seal Convole Unit, when confinement handle band
When dynamic horizontal format plate is moved towards open end, each hydraulic pressure isocon is connected to confined chamber successively.
Further, it is equipped with flexible sealing strip on the two side of the handle runner, when lattice segmentation diaphragm seal and confinement
When moving handle slides between two flexible sealing strips, the flexible sealing strip is in compressive state.
Further, the outlet end of water injection pipe is connected with the water filling branch pipe in several insertion coal-bed flooding holes, is noted at every
Water branch pipe is equipped with valve.
Further, the water injection pipe is equipped with the heating device heated to high-tension pulse bath.
Further, the water injection pipe is equipped with the feeding lubricating device being lubricated to high-tension pulse bath.
Further, it is blocked by hole packer between the water filling branch pipe and coal-bed flooding hole, the hole packer has defeated
The function of vapour lock water.
Pre- prior art is compared, the beneficial effects of the present invention are:
1, the present invention realizes cavitation water filling by being pressed into air into pulse high pressure water stream, due to the corrosion of continuous air bubbles
Property so that the property noted in crack burn into coal seam improves, crack is promoted to crack and penetrate through in coal seam.In addition, air molecule diameter is small
In hydrone so that air molecule can enter the inaccessiable tiny hole of hydrone and then reaming so that hydrone can
Coal seam permeability and gas density in coal seam is diluted into achieving the purpose that enhance, achievees the purpose that abundant water filling.
2, using coal washery sewage as water source, by purifier, the standard that water quality reaches injection water quality is improved, with water
The head difference of itself provides pressure for power, and the participation without water pump provides energy, can not only realize safe and environment-friendly, zero consumption
Can water filling, and can optimize existing water-filling method, improve flood effectiveness and fully and flexibly use water resource, for
The fwaater resources protection of China mine of western and the safety in mining area, sustainable development are of great significance.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the partial enlarged view at A in Fig. 1.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Referring to Fig. 1, a kind of heading cavitation flood pattern, including pulse water flooding subsystem, pulse water flooding subsystem
Liquid outlet waits for that water filling coal seam is connected to by water injection pipe 1 and setting regions, with to waiting for that it is high that water filling coal seam provides described in the region
Press pulsating water.In the present embodiment, pulse water flooding subsystem includes the storage being connected to 2 water outlet of earth's surface coal washery effluent treatment plant
Water tank 3, the water inlet pipe 4 being connected to 3 water outlet of water tank, hydrostatic driving formula pulse water hammer 5 and water injecting pipeline 6, water inlet pipe 4 are discharged
End separates two branches by water shunting valve 7, wherein a branch is connected to the water inlet of hydrostatic driving formula pulse water hammer 5, separately
One branch is connected to the water inlet end of water injecting pipeline 6, and static pressure water meter 8 and control valve 9, water injection pipe are equipped on water injecting pipeline 6
The water outlet of road 6 and hydrostatic driving formula pulse water hammer 5 is connected to by polywater device 10 with water injection pipe 1.Further include to high-voltage pulse
Air is injected in water realizes that the air of cavitation water filling injects subsystem.Wherein, air injection subsystem includes air compressor 11
It is docked with the outlet side of air compressor 11 with one end of appendix 12, appendix 12, the other end is connected to water injection pipe 1, defeated
Tracheae 12 is equipped with air pressure regulator 13 and air gauge 14.Preferably, the diameter of appendix 12 is much smaller than the diameter of water injection pipe 1.
Specifically, a diameter of 100mm of water injection pipe 1, a diameter of 20mm of appendix 12 so that the air pressure in appendix 12 is held very much
Easily more than the hydraulic pressure in pipe-line system.
For the deeper coal mine of buried depth, head and underground head difference are larger on well, enable to water injecting pipeline on well
The head pressure for reaching underground water-injection place is equal to even greater than water filling gross pressure.When needing phase coal-bed flooding, water storage is opened
Flow cavitation result valve 15 on case 3 so that flow flow to connection static pressure water meter 8 and hydrostatic driving formula pulsation 5 place pipeline of water hammer
In, and make constant pressure water be gathered in polywater device 10 with pulsation water, open air compressor machine 11 and air pressure regulator 13 and adjust gas
Pressure so that the air pressure of appendix 12 reaches balance with the hydraulic pressure of water injection pipe 1 so that the constant pressure fluctuating flow production in water injection pipe 1
Raw continuously bubble, it is final to realize cavitation water filling, improve flood effectiveness.
Referring to Fig. 1 and Fig. 2, in the present embodiment, polywater device 10 includes shell 10-1, and top is formed with inside shell 10-1
For open end, bottom end is the chamber 10-2 of blind end, is slided in chamber 10-2 and is provided with lateral water-stop sheet 16, lateral water-stop sheet 16
It is tightly connected to divide chamber 10-2 into the open chamber of confined chamber 10-2a and top for bottom end between chamber 10-2 internal perisporiums
The bottom 10-2b, shell 10-1 be equipped with connection confined chamber 10-2a and with 5 water outlet of water injecting pipeline 6 and hydrostatic driving formula pulse water hammer
The water inlet of docking and the water outlet being connected to water injection pipe 1 are additionally provided with several be connected to chamber 10-2 and edge on shell 10-1
Its spaced apart several hydraulic pressure isocon of extreme direction 17 that are open.Specifically, being set on the top end face of the one side wall of chamber 10-2
There is U-shaped notch 18, handle runner 19 is arranged on the two side of U-shaped notch 18, the bottom of U-shaped notch 18 is located on shell 10-1
Diaphragm seal elasticity Convole Unit 20 is equipped at end, the lattice segmentation diaphragm seal 21 of convolution is connected with moving handle 22 is confined, and confines
Moving handle 22 can be moved freely in handle runner 19 and can by rotate realize confine moving handle 22 confinement with
Relaxation, the bottom end and lateral water-stop sheet 16 for confining moving handle 22 are sealedly and fixedly connected, the both sides sealing of lattice segmentation diaphragm seal 21
Be installed in the handle runner 19 of 18 both sides of U-shaped notch, to realize the sides confined chamber 10-2a U-shaped notch sealing, work as confinement
When handle relaxes, the automatic convolution of lattice segmentation diaphragm seal 21 may be implemented in diaphragm seal Convole Unit 20, is driven when confining handle 22
When lateral water-stop sheet 16 is moved towards open end, each hydraulic pressure isocon 17 is connected to confined chamber 10-2a successively.
Referring to Fig. 2, in the present embodiment, it is preferred that be equipped with flexible sealing strip 23 on the two side of handle runner, work as lattice
When segmentation diaphragm seal 21 and confinement moving handle 22 slide between two flexible sealing strips 23, flexible sealing strip 23 is in compression shape
State.
When total hydraulic pressure in polywater device is more than pressure needed for coal-bed flooding, passes through mobile moving handle 22 of confining and realize
Its movement in handle runner 19 adjusts the size of airtight chamber 10-2a to drive lateral water-stop sheet 16 to move, real
Now with the connection of hydraulic pressure isocon 17, while the lattice segmentation diaphragm seal 21 of 20 convolution of diaphragm seal Convole Unit being extended, due to soft
Property sealing strip 23 presence make confine 22 moving process of moving handle in handle runner 19 close to confined chamber end one end.Work as taboo
When pluging with molten metal moving handle 22 and persistently moving, confined chamber 10-2a, which constantly expands, simultaneously gradually to be connect with hydraulic pressure isocon 17.Each hydraulic pressure shunting
Pipe 17 can be picked according to the demand with water place to the other water places of underground coal mine, such as tunnel atomizing de-dusting apparatus 24, water mist
Formula air duct 25, coal mine machinery 26, working face device for reducing dust etc..
In the present embodiment, the outlet end of water injection pipe 1 is connected with the water filling branch pipe 27 in several insertion coal-bed flooding holes, every
Root water filling branch pipe 27 is equipped with valve 28, and water injection pipe 1 is connected with multiple coal-bed floodings drilling, and total hydraulic pressure is excessive, is more than that polywater fills
When setting the ability of shunting partial pressure, the valve 28 on water filling branch pipe 27 can be operated and realize multiple coal-bed flooding drilling water fillings simultaneously,
When hydraulic pressure is not very big, it can also realize that the concentration of some coal-bed flooding drilling is noted by the valve 28 on water filling branch pipe 27
Water, the force-bearing of surrounding rock mass state in optimization deep fractures tunnel.In 1 the injecting process of water injection pipe, the extra gas in bubble passes through envelope
Coal-bed flooding hole is discharged in hole device 29, and hole packer is processed using flexible material, has the effect of that gas transmission blocks water.
To further increase the water of water and the repercussion effect of coal, heating device 30 is set on water injection pipe 1 to flow
It is heated, while the continuous supply that feeding lubricating device 31 realizes lubricant is set.
Present system, by purifier, improves water quality and reaches injection water quality using coal washery sewage as water source
Standard;Pressure is provided as power using the head difference of water itself, the participation without water pump provides energy;Pass through pipe-line system and polywater
Device coordinates hydraulic pressure and flow, can not only realize that hydraulic pressure can also be distributed to by the adjusting of water filling hydraulic pressure according to the size of hydraulic pressure
Other purposes such as dedusting, coal mine machinery water etc., or by operating a certain water place of flow cavitation result valve concentrated supply;Pass through
It is pressed into air into constant pressure impulse flow and realizes cavitation water filling, due to the corrosivity of continuous air bubbles so that crack burn into coal seam
The property noted in coal seam improves, crack is promoted to crack and penetrate through.In addition, air molecule diameter is less than hydrone so that air molecule
The inaccessiable tiny hole of hydrone and then reaming can be entered so that hydrone can enter and reach enhancing coal seam permeability
And the purpose of gas density in coal seam is diluted, achieve the purpose that abundant water filling.Therefore, this flood pattern can not only realize peace
Entirely, the water filling of environmental protection, zero energy consumption, and existing water-filling method, raising flood effectiveness and abundant and flexible fortune can be optimized
With water resource, the safety of fwaater resources protection and mining area for China mine of western, sustainable development are of great significance.
Above-described embodiment is only to clearly demonstrate examples made by the present invention, rather than the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without can not be also exhaustive to all embodiments.And the obvious variation or change thus amplified out
It is dynamic to be still in the protection scope of this invention.
Claims (10)
1. a kind of heading cavitation flood pattern, including pulse water flooding subsystem, the liquid outlet of the pulse water flooding subsystem
Wait for that water filling coal seam is connected to by water injection pipe and setting regions, with to waiting for that water filling coal seam provides high-voltage pulse described in the region
Water, it is characterised in that:It further include the air injection subsystem that injection air realizes cavitation water filling into high-tension pulse bath.
2. heading cavitation flood pattern according to claim 1, it is characterised in that:The air injects subsystem packet
Air compressor and appendix are included, one end of the appendix is docked with the outlet side of air compressor, the other end and water injection pipe
Connection, the appendix are equipped with air pressure regulator and air gauge.
3. heading cavitation flood pattern according to claim 2, it is characterised in that:The pulse water flooding subsystem packet
Include the water tank being connected to earth's surface coal washery effluent treatment plant water outlet, the water inlet pipe, the static pressure that are connected to water tank water outlet
Drive-type pulse water hammer and water injecting pipeline, the water inlet pipe water outlet separate two branches by water shunting valve, wherein a branch
Road is connected to the water inlet of hydrostatic driving formula pulse water hammer, and another branch is connected to the water inlet end of water injecting pipeline, in the note
Water lines are equipped with static pressure water meter and control valve, and the water outlet of the water injecting pipeline and hydrostatic driving formula pulse water hammer passes through poly-
Water installations are connected to water injection pipe, and the polywater device is equipped with hydraulic pressure summary table.
4. heading cavitation flood pattern according to claim 3, it is characterised in that:The polywater device includes outer
Shell, it is open end that the enclosure, which is formed with top, and bottom end is the chamber of blind end, is slided in the chamber and is provided with transverse direction
Water-stop sheet is tightly connected for chamber to be divided into confined chamber and the top of bottom end between the transverse direction water-stop sheet and chamber internal perisporium
Open chamber, the outer casing bottom be equipped be connected to the confined chamber and with water injecting pipeline and hydrostatic driving formula pulse water hammer water outlet pair
The water inlet connect and the water outlet being connected to water injection pipe are additionally provided with several with chamber and along its open end on the housing
The spaced apart several hydraulic pressure isocons in direction.
5. heading cavitation flood pattern according to claim 4, it is characterised in that:The top end face of the chamber sidewall
It is equipped with U-shaped notch, handle runner is arranged on the two side of the U-shaped notch, the bottom of U-shaped notch is located on the shell
Diaphragm seal elasticity Convole Unit is equipped at end, the lattice segmentation diaphragm seal of convolution is connected with moving handle is confined, and confines mobile hand
Handle can move freely in handle runner and realize the confinement and relaxation of confining moving handle by rotating, and confine moving handle
Bottom end be sealedly and fixedly connected with lateral water-stop sheet, the both sides sealing of lattice segmentation diaphragm seal is installed on the handle of U-shaped notch both sides
In sliding slot, to realize confined chamber side U-shaped notch sealing, when confine handle relaxation when, diaphragm seal Convole Unit can be realized
The automatic convolution of lattice segmentation diaphragm seal, when confine handle drive horizontal format plate moved towards open end when, each hydraulic pressure isocon according to
It is secondary to be connected to confined chamber.
6. heading cavitation flood pattern according to claim 5, it is characterised in that:The two side of the handle runner
On be equipped with flexible sealing strip, when lattice segmentation diaphragm seal and confine moving handle slided between two flexible sealing strips when, it is described
Flexible sealing strip is in compressive state.
7. heading cavitation flood pattern according to claim 3, it is characterised in that:The outlet end of water injection pipe is connected with
Several water filling branch pipes being inserted into coal-bed flooding hole, are equipped with valve on every water filling branch pipe.
8. heading cavitation flood pattern according to claim 7, it is characterised in that:The water filling branch pipe is noted with coal seam
It is blocked by hole packer between water hole, the hole packer has the function of that gas transmission blocks water.
9. heading cavitation flood pattern according to claim 3, it is characterised in that:The water injection pipe is equipped with to height
The heating device that pressure pulsating water is heated.
10. heading cavitation flood pattern according to claim 3, it is characterised in that:The water injection pipe be equipped with pair
The feeding lubricating device that high-tension pulse bath is lubricated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810191584.3A CN108343440B (en) | 2018-03-08 | 2018-03-08 | A kind of heading cavitation flood pattern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810191584.3A CN108343440B (en) | 2018-03-08 | 2018-03-08 | A kind of heading cavitation flood pattern |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108343440A true CN108343440A (en) | 2018-07-31 |
CN108343440B CN108343440B (en) | 2019-03-26 |
Family
ID=62956700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810191584.3A Expired - Fee Related CN108343440B (en) | 2018-03-08 | 2018-03-08 | A kind of heading cavitation flood pattern |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108343440B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2682209Y (en) * | 2003-12-05 | 2005-03-02 | 重庆市兆巍矿山机电制造有限公司 | Pulse water flooding device |
CN2736534Y (en) * | 2004-10-18 | 2005-10-26 | 重庆市兆巍矿山机电制造有限公司 | Pulse water flooding device |
CA2518692A1 (en) * | 2005-09-09 | 2007-03-09 | Fairborne Energy Ltd. | Well product recovery process |
CN101539028A (en) * | 2009-04-30 | 2009-09-23 | 中国矿业大学(北京) | Method and apparatus for preventing and controlling coal or rock dynamic disaster by high-pressure pulse water injection |
US20110283705A1 (en) * | 2006-07-24 | 2011-11-24 | Troy Oliver | EXPLO-DYNAMICS™: a method, system, and apparatus for the containment and conversion of explosive force into a usable energy resource |
CN103046949A (en) * | 2013-01-15 | 2013-04-17 | 中国矿业大学 | Bias gas-liquid two-phase jet-flow slotting permeability-increasing device and method |
CN104061014A (en) * | 2014-07-07 | 2014-09-24 | 太原理工大学 | Coal seam anti-reflection experiment device based on high-voltage electric pulse |
CN104453984A (en) * | 2014-12-01 | 2015-03-25 | 河南立升怡兴油气技术开发有限公司 | Outburst prevention method for mine gas by adopting pressure pulses |
-
2018
- 2018-03-08 CN CN201810191584.3A patent/CN108343440B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2682209Y (en) * | 2003-12-05 | 2005-03-02 | 重庆市兆巍矿山机电制造有限公司 | Pulse water flooding device |
CN2736534Y (en) * | 2004-10-18 | 2005-10-26 | 重庆市兆巍矿山机电制造有限公司 | Pulse water flooding device |
CA2518692A1 (en) * | 2005-09-09 | 2007-03-09 | Fairborne Energy Ltd. | Well product recovery process |
US20110283705A1 (en) * | 2006-07-24 | 2011-11-24 | Troy Oliver | EXPLO-DYNAMICS™: a method, system, and apparatus for the containment and conversion of explosive force into a usable energy resource |
CN101539028A (en) * | 2009-04-30 | 2009-09-23 | 中国矿业大学(北京) | Method and apparatus for preventing and controlling coal or rock dynamic disaster by high-pressure pulse water injection |
CN103046949A (en) * | 2013-01-15 | 2013-04-17 | 中国矿业大学 | Bias gas-liquid two-phase jet-flow slotting permeability-increasing device and method |
CN104061014A (en) * | 2014-07-07 | 2014-09-24 | 太原理工大学 | Coal seam anti-reflection experiment device based on high-voltage electric pulse |
CN104453984A (en) * | 2014-12-01 | 2015-03-25 | 河南立升怡兴油气技术开发有限公司 | Outburst prevention method for mine gas by adopting pressure pulses |
Also Published As
Publication number | Publication date |
---|---|
CN108343440B (en) | 2019-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105971663B (en) | A kind of the drilling arrangement and anti-reflection method of coal seam high-pressure hydraulic slot pressure break | |
WO2016112759A1 (en) | Method for thermal-displacement-type strengthened extraction in drill hole | |
CN204609832U (en) | A kind of coal mine gas quick fluid filling hole sealing device with pressure | |
AU2014336858A1 (en) | Method for enhanced fuel gas extraction by coal mine underground gas-liquid dual-phase alternating phase-driven fracturing of coal body | |
CN104653161A (en) | Coal mine underground pulse hydraulic slot cutting-fracturing integral anti-reflection extraction device and method | |
GB2383600A (en) | Method and apparatus for formation damage removal | |
CN101539028B (en) | Apparatus for preventing and controlling coal or rock dynamic disaster by high-pressure pulse water injection | |
CN105507938A (en) | Construction method of hydraulic flushing and presplit blasting combined permeability-increasing extraction system in drill holes | |
CN105114116A (en) | Method for strengthening regional gas extraction through hydro-thermal coupling fracturing | |
CN108119092A (en) | Selective channeling sealing agent for flooding oil reservoir fire flooding production well and application of selective channeling sealing agent | |
CN205743868U (en) | Carbonate Reservoir atomization acid stimulation system | |
CN210816696U (en) | In-situ heat injection system for composite organic pollution site | |
CN107664020B (en) | Water plugging method for bottom water reservoir horizontal well | |
CN105838347A (en) | Gas-producing system capable of improving permeability of tight oil reservoir and application thereof | |
CN108117864A (en) | Selective channeling sealing agent for flooding oil reservoir fire flooding production well and application of selective channeling sealing agent | |
CN105649625B (en) | A kind of high-low pressure subregion fracturing anatonosis formula coal-bed flooding method | |
CN108343440B (en) | A kind of heading cavitation flood pattern | |
CN114293963A (en) | Closed-loop system for increasing permeability of underground gas extraction utilization and reinjection coal seam and working method | |
CN108278787B (en) | A kind of high efficiency of energy based on geothermal exploitation well utilizes winning apparatus and method | |
CN105003294A (en) | Method for coal uncovering in cross cut by hydrothermal coupling based coal fracturing | |
CN207004493U (en) | A kind of non-mixed phase air water of low-permeability oil deposit hands over note fluctuation increasing injection device | |
CN103939126A (en) | Coal seam water injection method of coal mining working face | |
CN203978273U (en) | Carbonate rock and the boring of ragstone underground pipe and provisions for grouting | |
CN204082201U (en) | Coal-seam high-pressure pulsating water hammer water-infusion device | |
CN210888869U (en) | Water logging closed water-gas separation system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20200308 |
|
CF01 | Termination of patent right due to non-payment of annual fee |