CN104785392B - Gas reservoir exploitation drive nozzle - Google Patents
Gas reservoir exploitation drive nozzle Download PDFInfo
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- CN104785392B CN104785392B CN201510132881.7A CN201510132881A CN104785392B CN 104785392 B CN104785392 B CN 104785392B CN 201510132881 A CN201510132881 A CN 201510132881A CN 104785392 B CN104785392 B CN 104785392B
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- nozzle
- gas
- inner core
- hole
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000005514 two-phase flow Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 40
- 239000012530 fluid Substances 0.000 abstract description 15
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
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- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
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- 238000004220 aggregation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses gas reservoir exploitation drive nozzle, including the packer being fixed in sleeve pipe and fixed cylinder, the cavity that prestores, steam-water separator and pond are connected with turn in the upper end of sleeve pipe, nozzle is threaded with fixed cylinder, nozzle includes nozzle inner core and nozzle housing, the end of nozzle housing is provided with spurt hole, in nozzle inner core one end, internal conical surface is set, the nozzle inner core other end is provided with the through hole of face spurt hole, multiple swirl vanes are installed on through-hole wall, the convective tank of annular is provided with the middle part of nozzle inner core.When the gas-fluid two-phase mixture in gas well is begun to ramp up under the promotion of borehole pressure, gas-liquid mixture enters in inlet chamber body and carries out volume compression to it by internal conical surface excessively, when gas-liquid mixture enters eddy flow cavity, fluid contacts with each other with swirl vane, fluid driven is rotated by swirl vane, thrown away from spurt hole gas-liquid mixture using centrifugal force caused by rotation.
Description
Technical field
The present invention relates to underground gas production field, in particular to gas reservoir exploitation drive nozzle.
Background technology
At home all can be in various degree in most gas wells there is ponding in shaft bottom, for the gas of bottom water or side water be present
Well, liquid-gas ratio will gradually increase in recovery process, if adjustment liquid-gas ratio or shaft bottom hydrops exclude well not in time not in time
Mouthful, this can cause the normal production of gas well, or even gas well is drowned and causes to stop production, therefore correctly predicted gas well is different degrees of
Jacking capacity under liquid content selects the water drainage-gas recovery technology of suitable gas well to have important reality according to the actual conditions of gas well
Meaning.
The liquid that gas well shaft bottom just starts to occur during a small amount of hydrops in pit shaft can utilize the climbing power band of itself by gas
Go out pit shaft, gas well can also be produced normally, and at this moment the most stream flow velocity of gas well air-flow is referred to as gas well and takes liquid critical flow velocity, corresponding gas
Flow is referred to as gas well and takes liquid critical flow；When the actual flow velocity of gas in pit shaft is less than critical flow velocity, air-flow cannot be by well
Interior liquid takes well head out of using the climbing power of itself.And in the prior art, generally use emple hole, liquid obtains after over pressurizeed
Larger kinetic energy is obtained, liquid will be ejected with very big speed after nozzle, be hindered in surface tension of liquid, viscosity and air
Under power interaction, liquid by drippage, smooth flow, it is wavy flow to spray flow and gradually change, finally conveniently realize the two-phase of gas-liquid
Separation；But because the current discharged in emple hole have surface tension, therefore during liquid is changed into spray flow,
Need constantly to meet that when ejecting with very high speed with surrounding air friction occurs for liquid and separates to underground pressurization
Atomization, then the air pressure of underground is higher, and the safety reliability faced during gas production is lower, easily triggers security incident.
The content of the invention
It is an object of the invention to provide gas reservoir exploitation drive nozzle, facilitates gas-liquid quickly independently to rise discharge well
Outside, at the same reach improve gas production safety reliability purpose.
The purpose of the present invention is achieved through the following technical solutions：
Gas reservoir exploitation drive nozzle, including the packer and fixed cylinder being fixed in sleeve pipe, described sleeve pipe are placed in ground
In the gas-bearing formation at bottom, the packer completely cuts off sleeve upper end and its lower end, and pressure promotion packer is injected into gas well and is moved down makes
The connection of sleeve pipe upper and lower side is obtained, the cavity that prestores, steam-water separator and pond are connected with turn in the upper end of described sleeve pipe, described solid
Nozzle is threaded with safety barrel, the nozzle includes nozzle inner core and the nozzle housing being set in outside nozzle inner core, nozzle
The end of shell is provided with spurt hole, and internal conical surface, and the internal conical surface and nozzle housing are set in described nozzle inner core one end
Inwall form air inlet cavity, the nozzle inner core other end is provided with the through hole of face spurt hole, three rotations is provided with through-hole wall
Blade is flowed, and the inwall of through hole and nozzle inner core forms eddy flow cavity；Also run through nozzle housing and nozzle inner core including two
Stomata, two stomatas are staggered in the both sides of nozzle inner core axes, and the outlet side of the stomata is in the in-core along nozzle
The opposite direction bending of gas liquid two-phase flow.In the recovery process to the gas well with certain water content, sleeve pipe is placed in ground end
Gas-bearing formation, sleeve upper end and its lower end are completely cut off by packer, pressure is injected into gas well and promotes packer opening to cause sleeve pipe
Upper and lower side is connected, and nozzle is installed in fixed cylinder, and the gas-fluid two-phase mixture in the compressing of pressure is gone into the well then is sprayed by nozzle
Injection is prestored cavity, and the cavity that prestores is sequentially connected with steam-water separator, pond, i.e., gas-liquid mixture is sprayed to pre- by nozzle
The separation for directly carrying out gas-liquid two-phase after cavity by steam-water separator is deposited, the gas isolated is discharged to the collections such as air accumulator dress
Put, and the moisture isolated then is drained into pond；
When the gas-fluid two-phase mixture in gas well is begun to ramp up under the promotion of borehole pressure, gas-liquid mixture enter into
Volume compression is carried out to it by internal conical surface after in air cavity, and then improves the flowing velocity of gas-liquid mixture, is mixed in gas-liquid
When compound enters eddy flow cavity, fluid contacts with each other with swirl vane, rotates fluid driven by swirl vane, finally utilizes
Centrifugal force caused by rotation throws away gas-liquid mixture from spurt hole；When the flow very little of gas-liquid mixture, centrifugal force is big
When surface tension of liquid, by being thrown away in spurt hole as larger-size big drop, now liquid directly splits into drop；When
When flow increases, liquid is by rotary splitter into a fairly large number of thread jet, and the fluidised form of liquid is extremely unstable, and liquid leaves rotation
Blade end and by spurt hole spray a segment distance after, directly with air occur rubbing action and be separated into droplet, formed silk
Shape divides drop, and when flow continues increase, brin is interconnected to liquid film, as liquid film is outwards extended to thinner liquid film,
And friction is occurred with the air of surrounding with very high speed and separates atomization, drop is split into by film-form so that in spurt hole
Vaporific gas-liquid mixture is sprayed, while extracts the gas-liquid two-phase in gas well under the operating pressure of normal use, with side
The gas-liquid separation process of phase after an action of the bowels；
Wherein by injecting steam to stomata, the steam poured into enters vortex chamber as working media along the inwall of stomata
In body, and bent in the end of stomata to the direction that gas-liquid mixture moves, i.e. steam is relatively moved with gas-liquid two-phase, is steamed
The surface tension of resistance caused by vapour and gas-liquid mixture, viscous interaction, swiftly flowing steam and relatively low speed
The gas-liquid mixture or liquid film of motion mutually produce vibrations, friction so that liquid is sprayed by drippage, smooth flow, wavy flow direction
Stream gradually transformation, final liquid crushing is tiny liquid；Then rise rapidly by the CENTRIFUGAL ACCELERATING of swirl vane again, it is convenient
Gas-liquid quickly independently rises outside discharge well, while reaches the purpose for improving gas production safety reliability.
Further, the end of the nozzle inner core is provided with annular groove, and the eddy flow cavity passes through circular hole and annular
Groove connects.Annular space is formed between annular groove and the inwall of nozzle housing, gas-liquid mixture is when that will pass through swirl vane
Entered by circular hole in annular space, reduce stream of the gas-liquid mixture in eddy flow cavity close to its inner wall section to a certain extent
Layer movement velocity, avoids gas-liquid mixture from directly being impacted to swirl vane, influences stream after preventing swirl vane Local Damaged
The rotation of body, improve the atomizing effect of gas-liquid mixture in spurt hole.
Further, the diffusion hole of nozzle housing end, the outlet side of the diffusion hole and spurt hole are opened in addition to
Connection.The misty liquid droplets range of scatter projected by spurt hole is larger, is unfavorable for collection of the operation to misty liquid droplets on well, with jet flow
The misty liquid droplets that the diffusion hole of hole connection can spray to radiation carry out gathering aggregation, are allowed to be directly entered the receiving in device on well
In chamber.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention when flow continue increase when, brin is interconnected to liquid film, with liquid film be outwards extended to it is thinner
Liquid film, and friction is occurred with the air of surrounding with very high speed and separates atomization, drop is split into by film-form so that spraying
Discharge orifice sprays vaporific gas-liquid mixture, while extracts the gas-liquid two-phase in gas well under the operating pressure of normal use,
To facilitate the gas-liquid separation process in later stage；
2nd, annular space is formed between annular groove of the invention and the inwall of nozzle housing, gas-liquid mixture will pass through rotation
Entered when flowing blade by circular hole in annular space, reduce gas-liquid mixture to a certain extent in eddy flow cavity close to its inwall
Partial fluid layer movement velocity, avoids gas-liquid mixture from directly being impacted to swirl vane, prevents swirl vane Local Damaged
The rotation of fluid is influenceed afterwards, improves the atomizing effect of gas-liquid mixture in spurt hole.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of nozzle；
Fig. 3 is the structural representation of nozzle housing；
Fig. 4 is the structural representation of nozzle inner core；
Mark and corresponding parts title in accompanying drawing：
1- nozzle housings, 2- air inlets cavity, 3- internal conical surfaces, 4- nozzles inner core, 5- eddy flows cavity, 6- annular grooves, 7-
Swirl vane, 8- spurt holes, 9- diffusion holes, 10- stomatas, 11- sleeve pipes, 12- fixed cylinders, 13- packers, 14- gas-bearing formations, 15- are pre-
Deposit cavity, 16- steam-water separators, 17- ponds.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in figures 1-4, the present embodiment includes the packer 13 and fixed cylinder 12 being fixed in sleeve pipe 11, described
The upper end of sleeve pipe 11 is connected with the cavity 15 that prestores, steam-water separator 16 and pond 17 in turn, and screw thread connects in the fixed cylinder 12
Nozzle is connected to, wherein the nozzle includes nozzle inner core 4 and the nozzle housing 1 being set in outside nozzle inner core 4, nozzle housing 1
End be provided with spurt hole 8, internal conical surface 3, and the internal conical surface 3 and nozzle housing 1 are set in described one end of nozzle inner core 4
Inwall form air inlet cavity 2, the other end of nozzle inner core 4 is provided with the through hole of face spurt hole 8, and three are provided with through-hole wall
Swirl vane 7, and the inwall of through hole and nozzle inner core 4 forms eddy flow cavity 5；Also include two through nozzle housing 1 and spray
The stomata 10 of mouth inner core 4, two stomatas 10 are staggered in the both sides of the axis of nozzle inner core 4, and the outlet side of the stomata 10
In the opposite direction bending of the gas liquid two-phase flow along nozzle inner core 4.In the recovery process to the gas well with certain water content,
Sleeve pipe 11 is placed in the gas-bearing formation of ground end, completely cuts off the upper end of sleeve pipe 11 and its lower end by packer 13, pressure is injected into gas well and is pushed away
Dynamic packer 13, which is opened, causes the connection of the upper and lower side of sleeve pipe 11, and nozzle is installed in fixed cylinder 12, in the compressing of pressure is gone into the well
Gas-fluid two-phase mixture then spurts into the cavity 15 that prestores by nozzle, and prestore cavity 15 and steam-water separator 16, pond 17 according to
Secondary connection, i.e. gas-liquid mixture directly carry out gas-liquid two-phase after being sprayed by nozzle to the cavity 15 that prestores by steam-water separator 16
Separation, the gas isolated is discharged to the collection devices such as air accumulator, and the moisture isolated then is drained into pond 17；
When the gas-fluid two-phase mixture in gas well is begun to ramp up under the promotion of borehole pressure, gas-liquid mixture enter into
Volume compression is carried out to it by internal conical surface 3 after in air cavity 2, and then improves the flowing velocity of gas-liquid mixture, in gas-liquid
When mixture enters eddy flow cavity 5, fluid contacts with each other with swirl vane 7, is rotated fluid driven by swirl vane 7, most
Gas-liquid mixture is thrown away from spurt hole 8 using centrifugal force caused by rotation afterwards；When the flow very little of gas-liquid mixture, from
When mental and physical efforts are more than surface tension of liquid, by being thrown away in spurt hole 8 as larger-size big drop, now liquid is directly split into
Drop；When flow increases, liquid is by rotary splitter into a fairly large number of thread jet, and the fluidised form of liquid is extremely unstable, liquid
After leaving rotating vane end and spraying a segment distance by spurt hole 8, rubbing action directly occurs with air and is separated into small liquid
Drop, mitoschisis drop is formed, when flow continues increase, brin is interconnected to liquid film, as liquid film is outwards extended to more
Thin liquid film, and friction is occurred with the air of surrounding with very high speed and separates atomization, drop is split into by film-form so that
Vaporific gas-liquid mixture is sprayed in spurt hole 8, while takes out the gas-liquid two-phase in gas well under the operating pressure of normal use
Take out, to facilitate the gas-liquid separation process in later stage；By injecting steam to stomata 10, the steam poured into is as working media along gas
The inwall in hole 10 is entered in eddy flow cavity 5, and is bent in the end of stomata 10 to the direction that gas-liquid mixture moves, i.e. steam
Relatively moved with gas-liquid two-phase, the surface tension of resistance caused by steam and gas-liquid mixture, viscous interaction, at a high speed
The gas-liquid mixture or liquid film of the steam of flowing and relatively low speed motion mutually produce vibrations, rubbed so that liquid by
Drippage, smooth flow, the wavy spray flow that flows to gradually change, and final liquid crushing is tiny liquid；Then eddy flow leaf is passed through again
The CENTRIFUGAL ACCELERATING of piece 7 rises rapidly, facilitates gas-liquid quickly independently to rise outside discharge well, while it is safe and reliable to reach raising gas production
The purpose of degree.
Wherein, the end of the nozzle inner core 4 is provided with annular groove 6, and the eddy flow cavity 5 is recessed with annular by circular hole
Groove 6 connects.Annular space is formed between the inwall of annular groove 6 and nozzle housing 1, gas-liquid mixture will pass through swirl vane 7
When entered by circular hole in annular space, reduce gas-liquid mixture to a certain extent in eddy flow cavity 5 close to its inner wall section
Fluid layer movement velocity, avoid gas-liquid mixture from directly being impacted to swirl vane 7, after preventing the Local Damaged of swirl vane 7
The rotation of fluid is influenceed, improves the atomizing effect of gas-liquid mixture in spurt hole 8.
Also include the diffusion hole 9 for being opened in the end of nozzle housing 1, the diffusion hole 9 connects with the outlet side of spurt hole 8.
The misty liquid droplets range of scatter projected by spurt hole 8 is larger, is unfavorable for collection of the operation to misty liquid droplets on well, with spurt hole 8
The misty liquid droplets that the diffusion hole 9 of connection can spray to radiation carry out gathering aggregation, are allowed to be directly entered the receiving in device on well
In chamber.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (1)
1. gas reservoir exploitation drive nozzle, including the packer (13) and fixed cylinder (12) being fixed in sleeve pipe (11), it is special
Sign is：Described sleeve pipe (11) is placed in the gas-bearing formation of ground end, and the packer (13) completely cuts off sleeve pipe (11) upper end and its lower end,
Pressure is injected into gas well promotes packer (13) to move down so that sleeve pipe (11) upper and lower side connects, in the upper end of described sleeve pipe (11)
It is connected with the cavity that prestores (15), steam-water separator (16) and pond (17) in turn, is threaded with the fixed cylinder (12)
Nozzle, the nozzle include nozzle inner core (4) and are set in the nozzle housing (1) of nozzle inner core (4) outside, nozzle housing (1)
End be provided with spurt hole (8), described nozzle inner core (4) one end set internal conical surface (3), and the internal conical surface (3) with
The inwall of nozzle housing (1) forms air inlet cavity (2), and nozzle inner core (4) other end is provided with the through hole of face spurt hole (8), leads to
Three swirl vanes (7) are installed, and the inwall of through hole and nozzle inner core (4) forms eddy flow cavity (5) on the inwall of hole；Also include
Two are staggered in nozzle inner core through nozzle housing (1) and the stomata (10) of nozzle inner core (4), two stomatas (10)
(4) both sides of axis, and the outlet side of the stomata (10) is curved in the opposite direction along nozzle inner core (4) interior gas liquid two-phase flow
It is bent；The end of the nozzle inner core (4) is provided with annular groove (6), and the eddy flow cavity (5) passes through circular hole and annular groove
(6) connect；Also include the diffusion hole (9) for being opened in nozzle housing (1) end, the diffusion hole (9) and the outlet of spurt hole (8)
End connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132881.7A CN104785392B (en) | 2015-03-26 | 2015-03-26 | Gas reservoir exploitation drive nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132881.7A CN104785392B (en) | 2015-03-26 | 2015-03-26 | Gas reservoir exploitation drive nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785392A CN104785392A (en) | 2015-07-22 |
| CN104785392B true CN104785392B (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132881.7A Expired - Fee Related CN104785392B (en) | 2015-03-26 | 2015-03-26 | Gas reservoir exploitation drive nozzle |
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| Country | Link |
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| CN (1) | CN104785392B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252526A (en) * | 2021-05-10 | 2021-08-13 | 中国气象局上海物资管理处 | System and method for artificial rainfall and spray cleaning of visibility measurement test shelter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4344488A (en) * | 1980-08-18 | 1982-08-17 | Marks Alvin M | Charged aerosol petroleum recovery method and apparatus |
| WO1982001214A1 (en) * | 1980-10-07 | 1982-04-15 | Foster Miller Ass | Thermal enhancement |
| CN86203909U (en) * | 1986-06-03 | 1986-12-10 | 刘青林 | Heavy oil-evaporating nozzle by compressing |
| CN1054080C (en) * | 1995-09-07 | 2000-07-05 | 华东理工大学 | Three-way channel combined water coal slurry gasification nozzle with cyclone |
| CN2370279Y (en) * | 1999-05-12 | 2000-03-22 | 周荣贵 | Low pressure vortex oil burning atomizing spray nozzle |
| CN101446187B (en) * | 2008-12-30 | 2012-11-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Twin packer hydro-jet fracturing technology |
| CN201988465U (en) * | 2011-02-21 | 2011-09-28 | 青岛欧卡玛环保科技有限公司 | Spray sprinkler |
| CN104384037B (en) * | 2014-10-28 | 2017-01-25 | 亿川科技(成都)有限责任公司 | Two-fluid atomization nozzle |
| CN204627559U (en) * | 2015-03-26 | 2015-09-09 | 成都来宝石油设备有限公司 | A kind of pressure swirl water drainage gas production device |
-
2015
- 2015-03-26 CN CN201510132881.7A patent/CN104785392B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104785392A (en) | 2015-07-22 |
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Effective date of registration: 20180703 Address after: 610000 Rong Ou, 144 Qingbaijiang Road, Chengdu, Sichuan. Patentee after: Chengdu Zhirong Zhichuang Intellectual Property Operation Co.,Ltd. Address before: 610000 1 Zhongli Road, Nordic knowledge city, 3G, Xinzhi Town, Xindu District, Chengdu, Sichuan, 2 floor 13, No. 10, Patentee before: CHENGDU LAIBAO PETROLEUM EQUIPMENT Co.,Ltd. |
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