CN204113231U - Natural gas sprays drainage instrument - Google Patents
Natural gas sprays drainage instrument Download PDFInfo
- Publication number
- CN204113231U CN204113231U CN201420539024.XU CN201420539024U CN204113231U CN 204113231 U CN204113231 U CN 204113231U CN 201420539024 U CN201420539024 U CN 201420539024U CN 204113231 U CN204113231 U CN 204113231U
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- CN
- China
- Prior art keywords
- pressure gas
- pipe
- gas inlet
- external screw
- natural gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000003345 natural gas Substances 0.000 title claims abstract description 39
- 239000007921 spray Substances 0.000 title abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 117
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a natural gas sprays drainage instrument belongs to oil field exploitation technical field. The natural gas jet drainage tool comprises: the device comprises a low-pressure gas inlet pipe, a nozzle, a high-pressure gas inlet pipe, a cavity pipe, a throat pipe and a conversion joint which are coaxially connected in sequence; the high-pressure gas inlet pipe, the cavity pipe, the nozzle, the throat pipe and the adapter are communicated with each other, a connecting pipe is arranged on the side wall of the cavity pipe and communicated with the cavity pipe, the low-pressure gas inlet pipe is connected with the connecting pipe, the nozzle is connected to the inner wall of the cavity pipe, the inlet end of the nozzle is opposite to the high-pressure gas inlet pipe, the outlet end of the nozzle is spaced from the throat pipe, and the low-pressure gas inlet pipe is communicated with the high-pressure gas inlet pipe through the nozzle.
Description
Technical field
The utility model relates to oilfield exploitation technical field, particularly a kind of natural gas injection drainage tool.
Background technology
At present, the most gas well exploitation in Sichuan-chongqing Region is to the middle and later periods, and because well head pressure is lower, the natural gas inlet pipe net of institute's output needs to use the equipment such as air compressor to carry out ground supercharging, and supercharging cost is higher, is unfavorable for long-term production.
Find through investigation, for the domestic current oil well low for well head pressure, normally adopt and spray drainage tool, by the fluid output of the fluid energize low-pressure oil well of high pressure oil wells.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
Current injection drainage tool is only applicable to oil well, and is not suitable for the drainage work of gas well.
Utility model content
Spray drainage tool be only applicable to oil well to solve in prior art, and be not suitable for the problem of the drainage work of gas well, the utility model embodiment provides a kind of natural gas injection drainage tool.Described technical scheme is as follows:
The utility model embodiment provides a kind of natural gas injection drainage tool, and described natural gas injection drainage tool comprises:
Low pressure gas inlet tube, nozzle, and the high pressure gas inlet tube of coaxial connection successively, chamber pipe, venturi pipe and crossover sub;
Described high pressure gas inlet tube, chamber pipe, nozzle, venturi pipe are communicated with crossover sub inside, described chamber pipe sidewall is provided with tube connector, described tube connector is communicated with described chamber pipe, described low pressure gas inlet tube is connected with described tube connector, described nozzle is connected on described chamber inside pipe wall, and the arrival end of described nozzle and described high pressure gas inlet tube are oppositely arranged, the port of export and the described venturi pipe interval of described nozzle are arranged, and described low pressure gas inlet tube is communicated with via described nozzle with described high pressure gas inlet tube.
In a kind of implementation of the utility model embodiment, described natural gas injection drainage tool also comprises the adjuster be located in described chamber, described external regulator is provided with external screw thread, is provided with internal thread in described chamber, and the external screw thread of described adjuster and the internal thread of described chamber match;
One end and the described high pressure gas inlet tube of described adjuster are oppositely arranged, and the other end of described adjuster is connected with the arrival end of described nozzle.
In the another kind of implementation of the utility model embodiment, the other end of described adjuster is provided with internal thread, and the arrival end of described nozzle is provided with external screw thread, and the internal thread of described adjuster matches with the external screw thread of described nozzle and links together.
In the another kind of implementation of the utility model embodiment, one end of described high pressure gas inlet tube is provided with internal thread, one end of described chamber pipe is provided with external screw thread, and the internal thread of described high pressure gas inlet tube matches with the external screw thread of described chamber pipe and links together.
In the another kind of implementation of the utility model embodiment, the other end of described chamber pipe is provided with internal thread, and one end of described venturi pipe is provided with external screw thread, and the external screw thread of described venturi pipe matches with the internal thread of described chamber pipe and links together.
In the another kind of implementation of the utility model embodiment, the other end of described venturi pipe is provided with external screw thread, and one end of described crossover sub is provided with internal thread, and the external screw thread of described venturi pipe matches with the internal thread of described crossover sub and links together.
In the another kind of implementation of the utility model embodiment, described natural gas injection drainage tool also comprises the first pressure meter, the sidewall of described high pressure gas inlet tube is also provided with the first measurement interface, described first measurement interface is communicated with described high pressure gas inlet tube, and described first measurement interface is connected with described first pressure meter.
In the another kind of implementation of the utility model embodiment, described first measurement interface is provided with internal thread, and described first pressure meter is provided with external screw thread, and the internal thread of described first measurement interface matches with described first manometric external screw thread and links together.
In the another kind of implementation of the utility model embodiment, described natural gas injection drainage tool also comprises the second pressure meter, the sidewall of described crossover sub is also provided with the second measurement interface, described second measurement interface is communicated with described crossover sub, and described second measurement interface is connected with described second pressure meter.
In the another kind of implementation of the utility model embodiment, described second measurement interface is provided with internal thread, and described second pressure meter is provided with external screw thread, and the internal thread of described second measurement interface matches with described second manometric external screw thread and links together.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The high pressure gas that high-pressure gas well exports enters high pressure gas inlet tube through high pressure gas pipeline, the low pressure gas that low-pressure gas well exports enters low pressure gas inlet tube through low pressure gas pipeline, high pressure gas is through nozzle throttling, between nozzle and venturi pipe in region mineralization pressure lower than the negative pressuren zone of low pressure gas entrance overpressure, low pressure gas is inhaled into venturi pipe and mixes with swiftly flowing high pressure gas under differential pressure action, form the mixed airflow with certain speed, mixed airflow is outer defeated after completing boosting in diffuser through crossover sub; Utilize high-pressure gas well energy to drive low-pressure gas well to produce, the ground supercharging of low-pressure gas well can be realized, reach normal outer defeated pressure, reduce ground pressure stabilizing equipment, reach the object improving gas well output, reduce cost of production; The pressure energy of high-pressure gas well can be made full use of, play low pressure gas well capacity.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the natural gas injection drainage tool that the utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
The utility model embodiment provides a kind of natural gas injection drainage tool, see Fig. 1, this natural gas injection drainage tool comprises: low pressure gas inlet tube 10, nozzle 40, and the high pressure gas inlet tube 20 of coaxial connection successively, chamber pipe 30, venturi pipe 50 and crossover sub 60, high pressure gas inlet tube 20, chamber pipe 30, venturi pipe 50 is communicated with crossover sub 60 inside, chamber pipe 30 sidewall is provided with tube connector 31, tube connector 31 is communicated with chamber pipe 30, low pressure gas inlet tube 10 is connected with tube connector 31, nozzle 40 is connected on chamber pipe 30 inwall, and the arrival end of nozzle 40 and high pressure gas inlet tube 20 are oppositely arranged, the port of export and venturi pipe 50 interval of nozzle 40 are arranged, low pressure gas inlet tube 10 is communicated with via nozzle 40 with high pressure gas inlet tube 20.
Wherein, low pressure gas inlet tube 10 is for being connected with low pressure gas pipeline, high pressure gas inlet tube 20 for being connected with high pressure gas pipeline, crossover sub 60 for being connected with Gas diffusion section, the natural gas that Gas diffusion section exports for carrying this natural gas injection drainage tool.
Operationally, the high pressure gas that high-pressure gas well exports enters high pressure gas inlet tube 20 through high pressure gas pipeline, the low pressure gas that low-pressure gas well exports enters low pressure gas inlet tube 10 through low pressure gas pipeline, high pressure gas is through nozzle 40 throttling, the negative pressuren zone lower than low pressure gas inlet tube 10 is formed in region between nozzle 40 and venturi pipe 50, low pressure gas is inhaled into venturi pipe 50 and mixes with swiftly flowing high pressure gas under differential pressure action, form the mixed airflow with certain speed, mixed airflow is outer defeated after completing boosting in diffuser through crossover sub 60.Wherein, mixed airflow completes abundant mixing in venturi pipe 50 and crossover sub 60, abundant mixing is to allow high pressure gas and low pressure gas carry out Conversion of Energy, the pressure energy of high pressure gas is converted into the kinetic energy of high velocity air through nozzle 40, low pressure gas is sucked fully mixing in venturi pipe 50, could by energy transferring to low pressure gas.
This natural gas injection drainage tool is mainly used in low-pressure gas well, namely utilize high-pressure gas well energy to drive low-pressure gas well to produce, the ground supercharging of low-pressure gas well can be realized, reach normal outer defeated pressure, reduce ground pressure stabilizing equipment, reach the object improving gas well output, reduce cost of production; The pressure energy of high-pressure gas well can be made full use of, play low pressure gas well capacity.
In addition, this natural gas injection drainage tool size is little, and structure is simple, and easily process, cost is low; Moving component is not had in natural gas injection drainage tool, stable, reliable; Gas is by after natural gas injection drainage tool, and mist speed, temperature are comparatively even, is conducive to the stable of transmission pipeline network pressure.
Particularly, in the present embodiment, one end of high pressure gas inlet tube 20 is provided with internal thread, and one end of chamber pipe 30 is provided with external screw thread, and the internal thread of high pressure gas inlet tube 20 matches with the external screw thread of chamber pipe 30 and links together.
Particularly, in the present embodiment, the other end of chamber pipe 30 is provided with internal thread, and one end of venturi pipe 50 is provided with external screw thread, and the external screw thread of venturi pipe 50 matches with the internal thread of chamber pipe 30 and links together.
Particularly, in the present embodiment, the other end of venturi pipe 50 is provided with external screw thread, and one end of crossover sub 60 is provided with internal thread, and the external screw thread of venturi pipe 50 matches with the internal thread of crossover sub 60 and links together.
Further, in the present embodiment, this natural gas injection drainage tool also comprises the adjuster 70 be located in chamber, and adjuster 70 outside is provided with external screw thread, is provided with internal thread in chamber, and the external screw thread of adjuster 70 and the internal thread of chamber match;
One end and the high pressure gas inlet tube 20 of adjuster 70 are oppositely arranged, and the other end of adjuster 70 is connected with the arrival end of nozzle 40.
Particularly, in the present embodiment, the other end of adjuster 70 is provided with internal thread, and the arrival end of nozzle 40 is provided with external screw thread, and the internal thread of adjuster 70 matches with the external screw thread of nozzle 40 and links together.
Adjuster 70 can regulate the position of nozzle 40, to regulate the distance between nozzle 40 and venturi pipe 50, negative pressuren zone pressure and gas and vapor permeation degree is met the demands.Distance between nozzle 40 and venturi pipe 50 can choose optimal value by experiment.
Further, in the present embodiment, this natural gas injection drainage tool also comprises the first pressure meter, the sidewall of high pressure gas inlet tube 20 is also provided with the first measurement interface 21, first measurement interface 21 is communicated with high pressure gas inlet tube 20, and the first measurement interface 21 is connected with the first pressure meter.First pressure meter is for surveying the pressure of gas in high pressure gas inlet tube 20.
Particularly, in the present embodiment, the first measurement interface 21 is provided with internal thread, and the first pressure meter is provided with external screw thread, and the internal thread of the first measurement interface 21 matches with the first manometric external screw thread and links together.
Further, in the present embodiment, this natural gas injection drainage tool also comprises the second pressure meter, the sidewall of crossover sub 60 is also provided with the second measurement interface 61, second measurement interface 61 is communicated with crossover sub 60, and the second measurement interface 61 is connected with the second pressure meter.Second pressure meter is for surveying the pressure of gas in crossover sub 60.
Particularly, in the present embodiment, the second measurement interface 61 is provided with internal thread, and the second pressure meter is provided with external screw thread, and the internal thread of the second measurement interface 61 matches with the second manometric external screw thread and links together.
Certainly, in other embodiments, the internal and external threads in above-mentioned internal and external threads can also being coordinated is exchanged, and replace with external screw thread by internal thread, external screw thread replaces to internal thread, then connects.In other embodiments, in natural gas injection drainage tool, all parts can also adopt other modes to connect.
The high pressure gas that the utility model embodiment mesohigh gas well exports enters high pressure gas inlet tube through high pressure gas pipeline, the low pressure gas that low-pressure gas well exports enters low pressure gas inlet tube through low pressure gas pipeline, high pressure gas is through nozzle throttling, between nozzle and venturi pipe in region mineralization pressure lower than the negative pressuren zone of low pressure gas entrance overpressure, low pressure gas is inhaled into venturi pipe and mixes with swiftly flowing high pressure gas under differential pressure action, form the mixed airflow with certain speed, mixed airflow is outer defeated after completing boosting in diffuser through crossover sub; Utilize high-pressure gas well energy to drive low-pressure gas well to produce, the ground supercharging of low-pressure gas well can be realized, reach normal outer defeated pressure, reduce ground pressure stabilizing equipment, reach the object improving gas well output, reduce cost of production; The pressure energy of high-pressure gas well can be made full use of, play low pressure gas well capacity.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a natural gas injection drainage tool, is characterized in that, described natural gas injection drainage tool comprises:
Low pressure gas inlet tube, nozzle, and the high pressure gas inlet tube of coaxial connection successively, chamber pipe, venturi pipe and crossover sub;
Described high pressure gas inlet tube, chamber pipe, nozzle, venturi pipe are communicated with crossover sub inside, described chamber pipe sidewall is provided with tube connector, described tube connector is communicated with described chamber pipe, described low pressure gas inlet tube is connected with described tube connector, described nozzle is connected on described chamber inside pipe wall, and the arrival end of described nozzle and described high pressure gas inlet tube are oppositely arranged, the port of export and the described venturi pipe interval of described nozzle are arranged, and described low pressure gas inlet tube is communicated with via described nozzle with described high pressure gas inlet tube.
2. natural gas injection drainage tool according to claim 1, it is characterized in that, described natural gas injection drainage tool also comprises the adjuster be located in described chamber, described external regulator is provided with external screw thread, be provided with internal thread in described chamber, the external screw thread of described adjuster and the internal thread of described chamber match;
One end and the described high pressure gas inlet tube of described adjuster are oppositely arranged, and the other end of described adjuster is connected with the arrival end of described nozzle.
3. natural gas injection drainage tool according to claim 2, it is characterized in that, the other end of described adjuster is provided with internal thread, and the arrival end of described nozzle is provided with external screw thread, and the internal thread of described adjuster matches with the external screw thread of described nozzle and links together.
4. the natural gas injection drainage tool according to any one of claim 1-3, it is characterized in that, one end of described high pressure gas inlet tube is provided with internal thread, one end of described chamber pipe is provided with external screw thread, and the internal thread of described high pressure gas inlet tube matches with the external screw thread of described chamber pipe and links together.
5. the natural gas injection drainage tool according to any one of claim 1-3, it is characterized in that, the other end of described chamber pipe is provided with internal thread, and one end of described venturi pipe is provided with external screw thread, and the external screw thread of described venturi pipe matches with the internal thread of described chamber pipe and links together.
6. the natural gas injection drainage tool according to any one of claim 1-3, it is characterized in that, the other end of described venturi pipe is provided with external screw thread, and one end of described crossover sub is provided with internal thread, and the external screw thread of described venturi pipe matches with the internal thread of described crossover sub and links together.
7. the natural gas injection drainage tool according to any one of claim 1-3, it is characterized in that, described natural gas injection drainage tool also comprises the first pressure meter, the sidewall of described high pressure gas inlet tube is also provided with the first measurement interface, described first measurement interface is communicated with described high pressure gas inlet tube, and described first measurement interface is connected with described first pressure meter.
8. natural gas injection drainage tool according to claim 7, it is characterized in that, described first measurement interface is provided with internal thread, and described first pressure meter is provided with external screw thread, and the internal thread of described first measurement interface matches with described first manometric external screw thread and links together.
9. the natural gas injection drainage tool according to any one of claim 1-3, it is characterized in that, described natural gas injection drainage tool also comprises the second pressure meter, the sidewall of described crossover sub is also provided with the second measurement interface, described second measurement interface is communicated with described crossover sub, and described second measurement interface is connected with described second pressure meter.
10. natural gas injection drainage tool according to claim 9, it is characterized in that, described second measurement interface is provided with internal thread, and described second pressure meter is provided with external screw thread, and the internal thread of described second measurement interface matches with described second manometric external screw thread and links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539024.XU CN204113231U (en) | 2014-09-18 | 2014-09-18 | Natural gas sprays drainage instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539024.XU CN204113231U (en) | 2014-09-18 | 2014-09-18 | Natural gas sprays drainage instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113231U true CN204113231U (en) | 2015-01-21 |
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ID=52330555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539024.XU Expired - Fee Related CN204113231U (en) | 2014-09-18 | 2014-09-18 | Natural gas sprays drainage instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113231U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523441A (en) * | 2016-12-01 | 2017-03-22 | 北京工业大学 | Steam ejector based on pressure regulation and control |
| CN110410041A (en) * | 2019-09-06 | 2019-11-05 | 中国石油集团川庆钻探工程有限公司 | Well head safety operation system based on axial inclined jet suction aided discharge |
| CN111207119A (en) * | 2020-03-06 | 2020-05-29 | 北京首创环境科技有限公司 | Venturi vacuum pump with self-adaptive capacity |
| CN111963444A (en) * | 2020-09-10 | 2020-11-20 | 唯科(大连)泵业有限公司 | Inlet boost system |
-
2014
- 2014-09-18 CN CN201420539024.XU patent/CN204113231U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523441A (en) * | 2016-12-01 | 2017-03-22 | 北京工业大学 | Steam ejector based on pressure regulation and control |
| CN110410041A (en) * | 2019-09-06 | 2019-11-05 | 中国石油集团川庆钻探工程有限公司 | Well head safety operation system based on axial inclined jet suction aided discharge |
| CN110410041B (en) * | 2019-09-06 | 2024-04-16 | 中国石油集团川庆钻探工程有限公司 | Wellhead safety operation system based on axial oblique spraying suction auxiliary discharge |
| CN111207119A (en) * | 2020-03-06 | 2020-05-29 | 北京首创环境科技有限公司 | Venturi vacuum pump with self-adaptive capacity |
| CN111963444A (en) * | 2020-09-10 | 2020-11-20 | 唯科(大连)泵业有限公司 | Inlet boost system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |