CN104759365A - Underground drainage rapid gas production pipe - Google Patents
Underground drainage rapid gas production pipe Download PDFInfo
- Publication number
- CN104759365A CN104759365A CN201510132909.7A CN201510132909A CN104759365A CN 104759365 A CN104759365 A CN 104759365A CN 201510132909 A CN201510132909 A CN 201510132909A CN 104759365 A CN104759365 A CN 104759365A
- Authority
- CN
- China
- Prior art keywords
- gas
- hole
- inner core
- nozzle
- nozzle inner
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000011148 porous material Substances 0.000 claims description 18
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 87
- 239000000203 mixture Substances 0.000 abstract description 39
- 239000012530 fluid Substances 0.000 abstract description 14
- 239000003570 air Substances 0.000 description 26
- 239000007921 spray Substances 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Nozzles (AREA)
Abstract
The invention discloses an underground drainage rapid gas production pipe. The underground drainage rapid gas production pipe comprises a nozzle inner core and a nozzle shell; a jet flow hole is formed in the end portion of the nozzle shell; an inner circular conical surface is formed on one end of the nozzle inner core; the inner circular conical surface and the inner wall of the nozzle shell form a gas inlet cavity; a through hole directly facing the jet flow hole is formed in the other end of the nozzle inner core; a plurality of rotational flow blades are mounted on the inner wall of the through hole; the through hole and the inner wall of the nozzle inner core forms a rotational flow cavity; an annular convection groove is formed in the middle of the nozzle inner core; two gas holes are symmetrically formed in the two ends of the convention groove. When a gas-liquid two-phase mixture in the gas well begins to rise under the push of the pressure in the well, the gas-liquid mixture goes into the gas inlet cavity and then the volume of the gas-liquid mixture can be compressed, and therefore, the flowing speed of the gas-liquid mixture increased; when the gas-liquid mixture goes into the rotational flow cavity, the fluid is in contact with the rotational flow blades and the rotational flow blades drives the fluid to rotate, and finally, the gas-liquid mixture is thrown away from the jet flow hole under centrifugal force generated by rotation.
Description
Technical field
The present invention relates to gas production field, down-hole, specifically refer to the quick air collecting pipe of a kind of drainage underground.
Background technology
All ponding can be there is in shaft bottom in various degree at home in most gas well, for the gas well that there is end water or limit water, in recovery process, liquid-gas ratio will increase gradually, if adjustment liquid-gas ratio or shaft bottom hydrops get rid of well head not in time not in time, this can cause the normal production of gas well, even that gas well is drowned and cause stopping production, therefore the jacking capacity of correct Prediction gas well under liquid content in various degree selects the water drainage-gas recovery technology of suitable gas well to have important practical significance according to the actual conditions of gas well.
Liquid when gas well shaft bottom has just started to occur a small amount of hydrops in pit shaft can be utilized the climbing power of self to take pit shaft out of by gas, gas well can also normally be produced, at this moment the most stream flow velocity of gas well air-flow is called that liquid critical flow velocity taken by gas well, and corresponding gas flow is called that liquid critical flow taken by gas well; When in pit shaft, the actual flow velocity of gas is less than critical flow velocity, liquid in well just can not utilize the climbing power of self to take well head out of by air-flow.And in prior art, usual employing emple hole, liquid obtains larger kinetic energy after pressurization, after nozzle, liquid ejects with very large speed, under surface tension of liquid, viscosity and air drag interact, liquid flows by dripping, smoothly, wave flow changes gradually to spray flow, finally conveniently realizes the two-phase laminated flow of gas-liquid; But because the current of discharging in emple hole have surface tension, therefore become in the process of spray flow at liquid rotating, need constantly could to meet liquid to down-hole pressurization there is when ejecting very high speed to occur to rub with surrounding air and be separated atomization, then the air pressure of down-hole is higher, the safety reliability faced during gas production is lower, very easily causes security incident.
Summary of the invention
The object of the present invention is to provide the quick air collecting pipe of a kind of drainage underground, facilitate gas-liquid independently to rise fast and discharge outside well, reach the object improving gas production safety reliability simultaneously.
Object of the present invention is achieved through the following technical solutions:
The quick air collecting pipe of a kind of drainage underground, the nozzle housing comprising nozzle inner core and be set in outside nozzle inner core, the end of nozzle housing is provided with spurt hole, in described nozzle inner core one end, internal conical surface is set, and the inwall of described internal conical surface and nozzle housing forms air inlet cavity, the nozzle inner core other end has just to the through hole of spurt hole, through-hole wall is provided with multiple swirl vane, and the inwall of through hole and nozzle inner core forms eddy flow cavity; Also comprise the pore that two run through nozzle housing and nozzle inner core, the convective tank of annular is provided with in the middle part of nozzle inner core, two pores are symmetricly set on the two ends of convective tank, and the outlet side internal diameter of described pore successively decreases on the direction being radially directed towards axle center along nozzle inner core.Nozzle is fixed on the outlet side of gas well, when starting under the promotion of the gas-fluid two-phase mixture in gas well at borehole pressure to rise, gas-liquid mixture enters into after in air inlet cavity and carries out volume compression through internal conical surface to it, and then improve the flowing velocity of gas-liquid mixture, when gas-liquid mixture enters eddy flow cavity, fluid and swirl vane contact with each other, and are rotated by fluid driven by swirl vane, finally utilize the centrifugal force rotating generation to be thrown away from spurt hole by gas-liquid mixture;
When the flow of gas-liquid mixture is very little, when centrifugal force is greater than surface tension of liquid, be larger-size large drop by what throw away in spurt hole, now liquid directly splits into drop, when flow increases, liquid is become a fairly large number of thread jet by rotary splitter, the fluidised form extremely unstable of liquid, liquid leaves rotating vane end and after spraying a segment distance by spurt hole, directly and air generation rubbing action and be separated into droplet, form mitoschisis drop, when flow continues to increase, brin is interconnected to liquid film, along with liquid film is outwards extended to thinner liquid film, and occur to rub with very high speed and ambient air and be separated atomization, drop is split into by film-form, make to spray vaporific gas-liquid mixture at spurt hole, under the normal operating pressure used, the gas-liquid two-phase in gas well is extracted simultaneously, to facilitate the gas-liquid separation operation in later stage,
In the middle part of nozzle inner core, wherein have the convective tank of annular, air is injected to pore, the air poured into compresses at the end of pore, namely the jet velocity of air is increased further, and pore convective tank is annularly symmetrical arranged, and then have the air stream of two pore ejections mutually to liquidate, and a period of time to be carried out in convective tank, mix with air under the cylindrical environment that the gas-liquid mixture of flowing in eddy flow cavity is formed at convective tank, the gas-liquid mixture that swiftly flowing air and relatively low speed are moved or liquid film produces vibrations mutually, friction, liquid crushing is made to be tiny liquid, and then rise rapidly through the CENTRIFUGAL ACCELERATING of swirl vane, facilitate gas-liquid independently to rise fast and discharge outside well, reach the object improving gas production safety reliability simultaneously.
Further, the end of described nozzle inner core is provided with annular groove, and described eddy flow cavity is communicated with annular groove by circular hole.Annular space is formed between annular groove and the inwall of nozzle housing, gas-liquid mixture be about to by entering in annular space through circular hole during swirl vane, reduce gas-liquid mixture to a certain extent in the fluid layer movement velocity of eddy flow cavity near its inner wall section, gas-liquid mixture is avoided directly to impact swirl vane, affect the rotation of fluid after preventing swirl vane Local Damaged, improve the atomizing effect of gas-liquid mixture in spurt hole.
Further, also comprise the diffusion hole being opened in nozzle housing end, described diffusion hole is communicated with the outlet side of spurt hole.The misty liquid droplets range of scatter penetrated by spurt hole is comparatively large, and be unfavorable for the collection of aboveground operation to misty liquid droplets, the misty liquid droplets that the diffusion hole be communicated with spurt hole can spray radiation carries out gathering to be assembled, and makes it directly to enter in the container cavity in aboveground device.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when flow continues to increase, brin is interconnected to liquid film, along with liquid film is outwards extended to thinner liquid film, and occur to rub with very high speed and ambient air and be separated atomization, drop is split into by film-form, make to spray vaporific gas-liquid mixture at spurt hole, the gas-liquid two-phase in gas well is extracted, to facilitate the gas-liquid separation operation in later stage under the normal operating pressure used simultaneously;
2, annular space is formed between annular groove of the present invention and the inwall of nozzle housing, gas-liquid mixture be about to by entering in annular space through circular hole during swirl vane, reduce gas-liquid mixture to a certain extent in the fluid layer movement velocity of eddy flow cavity near its inner wall section, gas-liquid mixture is avoided directly to impact swirl vane, affect the rotation of fluid after preventing swirl vane Local Damaged, improve the atomizing effect of gas-liquid mixture in spurt hole.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of nozzle housing;
Fig. 3 is the structural representation of nozzle inner core;
Mark and corresponding parts title in accompanying drawing:
1-nozzle housing, 2-air inlet cavity, 3-internal conical surface, 4-nozzle inner core, 5-eddy flow cavity, 6-annular groove, 7-swirl vane, 8-spurt hole, 9-diffusion hole, 10-convective tank, 11-pore.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ 3, the present embodiment comprises nozzle inner core 4 and is set in the nozzle housing 1 outside nozzle inner core 4, the end of nozzle housing 1 is provided with spurt hole 8, in described nozzle inner core 4 one end, internal conical surface 3 is set, and described internal conical surface 3 forms air inlet cavity 2 with the inwall of nozzle housing 1, nozzle inner core 4 other end has just to the through hole of spurt hole 8, through-hole wall is provided with multiple swirl vane 7, and the inwall of through hole and nozzle inner core 4 forms eddy flow cavity 5; Also comprise the pore 11 that two run through nozzle housing 1 and nozzle inner core 4, the convective tank 10 of annular is provided with in the middle part of nozzle inner core 4, two pores 11 are symmetricly set on the two ends of convective tank 10, and the outlet side internal diameter of described pore 11 successively decreases on the direction being radially directed towards axle center along nozzle inner core 4.
Nozzle is fixed on the outlet side of gas well, when starting under the promotion of the gas-fluid two-phase mixture in gas well at borehole pressure to rise, gas-liquid mixture enters into after in air inlet cavity 2 and carries out volume compression through internal conical surface 3 to it, and then improve the flowing velocity of gas-liquid mixture, when gas-liquid mixture enters eddy flow cavity 5, fluid and swirl vane 7 contact with each other, and are rotated by fluid driven by swirl vane 7, finally utilize the centrifugal force rotating generation to be thrown away from spurt hole 8 by gas-liquid mixture, when the flow of gas-liquid mixture is very little, when centrifugal force is greater than surface tension of liquid, be larger-size large drop by what throw away in spurt hole 8, now liquid directly splits into drop, when flow increases, liquid is become a fairly large number of thread jet by rotary splitter, the fluidised form extremely unstable of liquid, liquid leaves rotating vane end and after spraying a segment distance by spurt hole 8, directly and air generation rubbing action and be separated into droplet, form mitoschisis drop, when flow continues to increase, brin is interconnected to liquid film, along with liquid film is outwards extended to thinner liquid film, and occur to rub with very high speed and ambient air and be separated atomization, drop is split into by film-form, make to spray vaporific gas-liquid mixture at spurt hole 8, under the normal operating pressure used, the gas-liquid two-phase in gas well is extracted simultaneously, to facilitate the gas-liquid separation operation in later stage, in the middle part of nozzle inner core 4, wherein have the convective tank 10 of annular, air is injected to pore 11, the air poured into compresses at the end of pore 11, namely the jet velocity of air is increased further, and pore 11 convective tank 10 is annularly symmetrical arranged, and then the air stream having two pores 11 to spray liquidates mutually, and a period of time to be carried out in convective tank 10, mix with air under the cylindrical environment that the gas-liquid mixture of flowing in eddy flow cavity 5 is formed at convective tank 10, the gas-liquid mixture that swiftly flowing air and relatively low speed are moved or liquid film produces vibrations mutually, friction, liquid crushing is made to be tiny liquid, and then rise rapidly through the CENTRIFUGAL ACCELERATING of swirl vane 7, facilitate gas-liquid independently to rise fast and discharge outside well, reach the object improving gas production safety reliability simultaneously.
Wherein, the end of described nozzle inner core 4 is provided with annular groove 6, and described eddy flow cavity 5 is communicated with annular groove 6 by circular hole.Annular space is formed between the inwall of annular groove 6 and nozzle housing 1, gas-liquid mixture be about to by entering in annular space through circular hole during swirl vane 7, reduce gas-liquid mixture to a certain extent in the fluid layer movement velocity of eddy flow cavity 5 near its inner wall section, gas-liquid mixture is avoided directly to impact swirl vane 7, affect the rotation of fluid after preventing swirl vane 7 Local Damaged, improve the atomizing effect of gas-liquid mixture in spurt hole 8.
Also comprise the diffusion hole 9 being opened in nozzle housing 1 end, described diffusion hole 9 is communicated with the outlet side of spurt hole 8.The misty liquid droplets range of scatter penetrated by spurt hole 8 is comparatively large, and be unfavorable for the collection of aboveground operation to misty liquid droplets, the misty liquid droplets that the diffusion hole 9 be communicated with spurt hole 8 can spray radiation carries out gathering to be assembled, and makes it directly to enter in the container cavity in aboveground device.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the quick air collecting pipe of drainage underground, comprise nozzle inner core (4) and be set in nozzle inner core (4) nozzle housing outward (1), the end of nozzle housing (1) is provided with spurt hole (8), it is characterized in that: in described nozzle inner core (4) one end, internal conical surface (3) is set, and described internal conical surface (3) forms air inlet cavity (2) with the inwall of nozzle housing (1), nozzle inner core (4) other end has just to the through hole of spurt hole (8), through-hole wall is provided with multiple swirl vane (7), and the inwall of through hole and nozzle inner core (4) forms eddy flow cavity (5), also comprise the pore (11) that two run through nozzle housing (1) and nozzle inner core (4), the convective tank (10) of annular is provided with at nozzle inner core (4) middle part, two pores (11) are symmetricly set on the two ends of convective tank (10), and the outlet side internal diameter of described pore (11) successively decreases on the direction being radially directed towards axle center along nozzle inner core (4).
2. the quick air collecting pipe of a kind of drainage underground according to claim 1, is characterized in that: the end of described nozzle inner core (4) is provided with annular groove (6), and described eddy flow cavity (5) is communicated with annular groove (6) by circular hole.
3. the quick air collecting pipe of a kind of drainage underground according to claim 1 and 2, is characterized in that: also comprise the diffusion hole (9) being opened in nozzle housing (1) end, described diffusion hole (9) is communicated with the outlet side of spurt hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132909.7A CN104759365B (en) | 2015-03-26 | 2015-03-26 | A kind of quick air collecting pipe of drainage underground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132909.7A CN104759365B (en) | 2015-03-26 | 2015-03-26 | A kind of quick air collecting pipe of drainage underground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759365A true CN104759365A (en) | 2015-07-08 |
| CN104759365B CN104759365B (en) | 2018-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132909.7A Expired - Fee Related CN104759365B (en) | 2015-03-26 | 2015-03-26 | A kind of quick air collecting pipe of drainage underground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759365B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989277A (en) * | 2015-07-22 | 2015-10-21 | 成都来宝石油设备有限公司 | Spray nozzle for improving target oil reservoir pore permeability parameter |
| CN106761608A (en) * | 2017-01-11 | 2017-05-31 | 山东科技大学 | Underground natural gas storage liquid discharging gas producing device and method |
| CN109806988A (en) * | 2019-04-13 | 2019-05-28 | 江苏华威机械制造有限公司 | A kind of metal bath jet deposition atomizer for preventing dross from gaging somebody |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201671603U (en) * | 2010-05-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Gas well self-lifting water drainage gas production device |
| CN201988465U (en) * | 2011-02-21 | 2011-09-28 | 青岛欧卡玛环保科技有限公司 | Spray sprinkler |
| CN202212297U (en) * | 2011-08-15 | 2012-05-09 | 上海守望者喷雾智能系统有限公司 | Nozzle of external-mixing spray gun |
| CN204620258U (en) * | 2015-03-26 | 2015-09-09 | 成都来宝石油设备有限公司 | Drainage underground gas production nozzle |
-
2015
- 2015-03-26 CN CN201510132909.7A patent/CN104759365B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201671603U (en) * | 2010-05-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Gas well self-lifting water drainage gas production device |
| CN201988465U (en) * | 2011-02-21 | 2011-09-28 | 青岛欧卡玛环保科技有限公司 | Spray sprinkler |
| CN202212297U (en) * | 2011-08-15 | 2012-05-09 | 上海守望者喷雾智能系统有限公司 | Nozzle of external-mixing spray gun |
| CN204620258U (en) * | 2015-03-26 | 2015-09-09 | 成都来宝石油设备有限公司 | Drainage underground gas production nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989277A (en) * | 2015-07-22 | 2015-10-21 | 成都来宝石油设备有限公司 | Spray nozzle for improving target oil reservoir pore permeability parameter |
| CN106761608A (en) * | 2017-01-11 | 2017-05-31 | 山东科技大学 | Underground natural gas storage liquid discharging gas producing device and method |
| CN109806988A (en) * | 2019-04-13 | 2019-05-28 | 江苏华威机械制造有限公司 | A kind of metal bath jet deposition atomizer for preventing dross from gaging somebody |
| CN109806988B (en) * | 2019-04-13 | 2023-10-03 | 江苏华威机械制造有限公司 | Molten metal jet deposition atomizer capable of preventing nodulation and nozzle blockage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759365B (en) | 2018-04-13 |
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Effective date of registration: 20180711 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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