CN211201901U - Drainage gas production device for natural gas well - Google Patents
Drainage gas production device for natural gas well Download PDFInfo
- Publication number
- CN211201901U CN211201901U CN201922027993.2U CN201922027993U CN211201901U CN 211201901 U CN211201901 U CN 211201901U CN 201922027993 U CN201922027993 U CN 201922027993U CN 211201901 U CN211201901 U CN 211201901U
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- gas
- natural gas
- well
- gas well
- pipe
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Abstract
the utility model discloses a natural gas well drainage gas production device, including natural gas well, removal stopper, force pump, support, pneumatic cylinder, blast pipe, gas storage layer, level sensor and check valve, natural gas well's top stopper is equipped with remove the stopper, it installs to support on the bottom surface of stopper both sides the support, the support is door type frame, the roof-rack bottom fixed mounting of door type frame has the pneumatic cylinder, the bottom of pneumatic cylinder is fixed remove the top of stopper, it has still to joint in the middle of the stopper the blast pipe, the blast pipe is L type pipe, the one end of blast pipe stretches into natural gas well's inside, the other end have a gas-supply pipe through hose connection.
Description
Technical Field
The utility model relates to an oil and gas exploitation device field especially relates to a natural gas well drainage gas production device.
Background
With the development of natural gas fields, the number of water-yielding gas fields is increasing. At the initial stage of the pure gas well with condensate liquid accumulation, under the condition of relatively high formation pressure, the gas well can bring out the condensate liquid by self energy after the condensate liquid reaches a certain degree. In the later production stage of the gas well, because the formation pressure and the gas well productivity are reduced, the temperature gradient of a shaft is increased, part of components in natural gas are condensed in the shaft to form condensate liquid due to the temperature reduction, and when the gas well gas production rate is not enough to bring out the part of condensate liquid, the condensate liquid falls back to the bottom of the shaft to generate shaft effusion, the gas well effusion has great influence on the exploitation of the natural gas, and the natural gas well is prevented from being discharged in serious cases.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas well drainage gas production device in order to solve the above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a natural gas well drainage gas production device, includes natural gas well, removes stopper, force pump, support, pneumatic cylinder, blast pipe, gas storage layer, level sensor and check valve, the top stopper of natural gas well is equipped with remove the stopper, it installs to remove to support on the bottom surface of stopper both sides the support, the support is door type frame, the roof-rack bottom fixed mounting of door type frame has the pneumatic cylinder, the bottom of pneumatic cylinder is fixed remove the top of stopper, the centre of removing the stopper still the joint has the blast pipe, the blast pipe is L type pipe, the one end of blast pipe stretches into the inside of natural gas well, and the other end has the gas-supply pipe through hose connection, the bottom of natural gas well is led to the gas storage layer, the gas storage layer still passes through the check valve intercommunication has the fluid-discharge tube, the top intercommunication of fluid-discharge tube has to fix on the bottom surface on the force pump.
In order to further improve the drainage performance of the drainage and gas production device of the natural gas well, the upper part of the natural gas well is a cylindrical well with a uniform section, and the lower part of the natural gas well is a conical well, so that the movable plug can generate large pressure on the air pressure in the well when moving up and down.
In order to further improve the stability of the gas well water drainage and gas production device, a telescopic shaft is supported and installed on the part, leaking out of the gas well, of the exhaust pipe, a convex part clamping groove is formed in the top surface of the movable plug, the convex part on the exhaust pipe is clamped in the convex part clamping groove, and a spiral sleeve is screwed on the exhaust pipe and used for fastening the exhaust pipe.
In order to further improve the air tightness of the drainage and gas production device of the natural gas well, the bottom of the gas pipe is installed through a gas pipe support, and a rubber ring is attached to the top of the spiral sleeve to enhance the air tightness of the spiral sleeve.
In order to further improve the service performance of the drainage and gas production device of the natural gas well, the liquid level sensor is further mounted on the wall of the gas storage layer and used for detecting the depth of accumulated water so as to facilitate reasonable accumulated water drainage, and the exhaust pipe is provided with a gas valve used for controlling the on-off of gas.
In the structure, natural gas enters the natural gas well through the air pressure of the natural gas well and then is discharged through the exhaust pipe, when accumulated water reaches a certain depth to affect exhaust, the hydraulic cylinder drives the movable plug to move downwards to increase the air pressure, the accumulated water at the bottom is subjected to pressure increase to affect and then is discharged into the liquid discharge pipe through the one-way valve, and secondary pressurization discharge is performed through the pressure pump.
Has the advantages that: natural gas well drainage gas production device pass through gas well pressure boost and fluid-discharge tube pressure boost double-deck pressure and realize the flowing back, the flowing back is effectual, through the reasonable flowing back of liquid level determination, the collection work of guarantee natural gas.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a natural gas well drainage gas production device according to the present invention;
Fig. 2 is a schematic diagram of the exhaust pipe clamping structure of the gas well drainage and gas production device of the present invention.
The reference numerals are explained below:
1. A natural gas well; 2. moving the plug; 3. a pressure pump; 4. a support; 5. a hydraulic cylinder; 6. a hose; 7. a gas delivery pipe; 8. a tracheal stent; 9. a telescopic shaft; 10. a spiral sleeve; 11. an exhaust pipe; 12. a gas storage layer; 13. a liquid level sensor; 14. a one-way valve; 15. a liquid discharge pipe; 16. an air inlet; 17. and clamping the convex part.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
The utility model provides a natural gas well drainage gas production device, which comprises a natural gas well 1, a movable plug 2, a pressure pump 3, a bracket 4, a hydraulic cylinder 5, an exhaust pipe 11, a gas storage layer 12, a liquid level sensor 13 and a one-way valve 14;
referring to fig. 1-2, a movable plug 2 is arranged on a top plug of a natural gas well 1, a support 4 is supported and installed on the bottom surfaces of two sides of the movable plug 2, the support 4 is a door-shaped frame, a hydraulic cylinder 5 is fixedly installed at the bottom of a top frame of the door-shaped frame, the bottom of the hydraulic cylinder 5 is fixed to the top of the movable plug 2, an exhaust pipe 11 is clamped in the middle of the movable plug 2, the exhaust pipe 11 is an L-shaped pipe, one end of the exhaust pipe 11 extends into the natural gas well 1, and the other end of the exhaust pipe is connected with a gas;
The bottom of the natural gas well 1 is communicated with a gas storage layer 12, the gas storage layer 12 is also communicated with a liquid discharge pipe 15 through a one-way valve 14, and the top of the liquid discharge pipe 15 is communicated with a pressure pump 3 fixed on the bottom surface.
In this embodiment, the upper portion of the natural gas well 1 is a cylindrical well with a uniform cross section, and the lower portion is a conical well, so that a large pressure is generated to the gas pressure in the well when the movable plug 2 moves up and down.
In this embodiment, the telescopic shaft 9 is supported and installed on the part of the exhaust pipe 11 that leaks out of the natural gas well 1, a convex part clamping groove is formed in the top surface of the movable plug 2, a convex part on the exhaust pipe 11 is further clamped in the convex part clamping groove, and a spiral sleeve 10 is further screwed on the exhaust pipe 11 and used for fastening the exhaust pipe 11.
In this embodiment, the bottom of the air pipe 7 is installed by the air pipe bracket 8, and the top of the spiral sleeve 10 is attached with a rubber ring for enhancing the air tightness.
In this embodiment, the wall of the gas storage layer 12 is further provided with a liquid level sensor 13 for detecting the depth of accumulated water so as to facilitate reasonable accumulated water drainage, and the exhaust pipe 11 is provided with a gas valve for controlling the on-off of gas.
In the structure, natural gas enters the natural gas well through the air pressure of the natural gas well and then is discharged through the exhaust pipe 11, when accumulated water reaches a certain depth to affect exhaust, the hydraulic cylinder 5 drives the movable plug 2 to move downwards, the air pressure is increased, the accumulated water at the bottom is subjected to pressure increase to affect and is discharged into the liquid discharge pipe 15 through the check valve, and secondary pressurization discharge is performed through the pressure pump 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. the drainage and gas production device of the natural gas well is characterized by comprising the natural gas well, a movable plug, a pressure pump, a support, a hydraulic cylinder, an exhaust pipe, a gas storage layer, a liquid level sensor and a one-way valve, wherein the movable plug is arranged on the top of the natural gas well, the support is supported and installed on the bottom surfaces of two sides of the movable plug, the support is a door-shaped frame, the hydraulic cylinder is fixedly installed at the bottom of a top frame of the door-shaped frame, the bottom of the hydraulic cylinder is fixed to the top of the movable plug, the exhaust pipe is clamped in the middle of the movable plug and is an L-shaped pipe, one end of the exhaust pipe extends into the natural gas well, the other end of the exhaust pipe is connected with the gas pipe through a hose, the gas storage layer is communicated with the gas storage layer through the one-way valve, the gas storage layer is communicated with a liquid discharge pipe through the one-way valve.
2. The gas well drainage gas recovery device of claim 1 wherein: the upper part of the natural gas well is a cylindrical well with a uniform section, and the lower part of the natural gas well is a conical well, so that the movable plug can generate large pressure to the gas pressure in the well when moving up and down.
3. A natural gas well drainage gas recovery device as defined in claim 2 wherein: the exhaust pipe leaks the part of natural gas well and supports and install the telescopic shaft, the top surface of removal stopper has seted up the convex part draw-in groove, still joint in the convex part draw-in groove convex part on the exhaust pipe, it has the spiral shell to connect soon on the exhaust pipe to be used for right the exhaust pipe fastens.
4. A natural gas well drainage gas recovery device as defined in claim 3 wherein: the bottom of the gas transmission pipe is installed through a gas pipe support, and a rubber ring is attached to the top of the spiral sleeve and used for enhancing the gas tightness of the spiral sleeve.
5. The gas well drainage gas recovery device of claim 1 wherein: still install on the layer wall on gas storage layer level sensor is used for detecting the ponding degree of depth and is convenient for carry out reasonable ponding drainage, be provided with the pneumatic valve on the blast pipe for control gas break-make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027993.2U CN211201901U (en) | 2019-11-22 | 2019-11-22 | Drainage gas production device for natural gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922027993.2U CN211201901U (en) | 2019-11-22 | 2019-11-22 | Drainage gas production device for natural gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201901U true CN211201901U (en) | 2020-08-07 |
Family
ID=71885640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922027993.2U Expired - Fee Related CN211201901U (en) | 2019-11-22 | 2019-11-22 | Drainage gas production device for natural gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201901U (en) |
-
2019
- 2019-11-22 CN CN201922027993.2U patent/CN211201901U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |