CN219136701U - Oilfield associated gas recycling device - Google Patents
Oilfield associated gas recycling device Download PDFInfo
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- CN219136701U CN219136701U CN202223143412.XU CN202223143412U CN219136701U CN 219136701 U CN219136701 U CN 219136701U CN 202223143412 U CN202223143412 U CN 202223143412U CN 219136701 U CN219136701 U CN 219136701U
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Abstract
The utility model relates to an oilfield associated gas recycling device in the technical field of oilfield chemical engineering, which comprises a pre-separation device, a refrigeration device, a high-pressure separation device, a supersonic spiral separation pipe and a low-pressure separation device, wherein one side of the pre-separation device is in through connection with one end of the refrigeration device, one side of the high-pressure separation device is in through connection with the other end of the refrigeration device, the top of the high-pressure separation device is in through connection with the supersonic spiral separation pipe, one side of the low-pressure separation device is in through connection with the middle part of the supersonic spiral separation pipe, the top of the low-pressure separation device is in through connection with one end of the supersonic spiral separation pipe, a turbine fan is arranged on the inner wall of the supersonic spiral separation pipe, the diameter of the inner wall of the turbine fan is 15cm, one side of the turbine fan is provided with a throat, and the diameter of the inner wall of the throat is 5cm, so that the problems of high operation cost and low safety coefficient of associated gas during treatment and system power are greatly increased.
Description
Technical Field
The utility model relates to the technical field of oilfield chemical engineering, in particular to an oilfield associated gas recycling device.
Background
Oilfield associated gas refers to gas that occurs between reservoirs as the oilfield develops during production, with the major component being methane, which typically contains significant amounts of ethane and hydrocarbon heavies, and recovery is the separation of ethane, propane, butane, and heavies from the gas stream, which may be further processed for sale as pure components or natural gas liquids or LPG.
At present, due to the restriction of technical means, associated gas is difficult to control relatively in the oilfield exploitation process, and a large part of associated gas is emptied or burnt, so that the associated gas cannot be fully recovered, and in the process of treatment, the operation cost is high, the safety coefficient is low, and meanwhile, the system power is greatly increased.
Disclosure of Invention
Aiming at the problems, the utility model provides the oilfield associated gas recycling device in order to solve the problems in the background art, the associated gas is relatively difficult to control in the oilfield exploitation process, and a large part of the associated gas is emptied or burned, so that the associated gas cannot be fully recycled, and in addition, the operation cost is high, the safety coefficient is low, and meanwhile, the system power is greatly increased.
The technical scheme of the utility model is as follows:
the utility model provides an oilfield associated gas recycle device, includes pre-separator, refrigerating plant ware, high pressure separator, supersonic speed spiral separator tube and low pressure separator, pre-separator one side is connected with refrigerating plant ware one end link up, high pressure separator one side is connected with refrigerating plant ware other end link up, high pressure separator's top and supersonic speed spiral separator tube link up the connection, low pressure separator one side and supersonic speed spiral separator tube's middle part link up the connection, low pressure separator's top and supersonic speed spiral separator tube's one end link up the connection, the turbine fan is installed to supersonic speed spiral separator tube inner wall, turbine fan inner wall diameter is 15cm, turbine fan one side is equipped with the throat, throat inner wall diameter is 5cm, throat one side is equipped with the expansion storehouse, expansion storehouse inner wall diameter is 15cm.
The working principle of the technical scheme is as follows:
when the device is used, after gas in the high-pressure separation device is input into the supersonic spiral separation pipe, the turbine fan is started at first, the turbine fan can generate inclined and inward spiral flow under the action of the turbine fan, air becomes small, speed becomes large, pressure becomes small, temperature is reduced, the gas enters the expansion bin after exceeding the sound speed at the throat, the speed continues to be increased, the pressure and the temperature continue to be reduced according to the characteristics of the Laval pipe, relatively high moisture in the gas is discharged into the fourth connecting pipe by the centrifugal force of the spiral, then the gas circulates in the expansion bin, the pressurization and the temperature increase are continued, the dry gas is output, the gas can be recycled, and the problems that the operation cost is high, the safety coefficient is low, and the system power is greatly increased at the same time when the associated gas is processed are solved.
In a further technical scheme, the pre-separation device comprises a pre-separator, one side of the pre-separator is connected with an air inlet pipe in a penetrating mode, the top of the pre-separator is connected with a first connecting pipe in a penetrating mode, and the bottom of the pre-separator is connected with the top of the first drain pipe in a penetrating mode.
Associated gas is firstly input into the preseparator through the air inlet pipe, then water in the gas can be discharged through the first drain pipe after passing through the preseparator, then the gas is input into the refrigerating device through the first connecting pipe, and the gas can be preprocessed through the arrangement of the preseparator, so that the use efficiency of the gas can be improved.
In a further technical scheme, a first connecting port is formed in one side of the refrigerating device, the first connecting port is in through connection with a first connecting pipe, a second connecting port is formed in the other side of the refrigerating device, refrigerating components distributed in parallel are installed in the refrigerating device, and the refrigerating components are composed of ventilation components and refrigerating tubes.
When the refrigerator is used, after gas enters the refrigerator through the first connecting port, the temperature of the gas can be reduced through the refrigerating assembly, and high-pressure separation can be conveniently carried out on the gas.
In a further technical scheme, the high-pressure separation device comprises a high-pressure separator, one side of the high-pressure separator is in through connection with one end of a second connecting pipe, the other end of the second connecting pipe is in through connection with a second connecting port, the top of the high-pressure separator is in through connection with a third connecting pipe, the other end of the third connecting pipe is in through connection with one side of the supersonic spiral separation pipe, and the bottom of the high-pressure separator is in through connection with the top of a second drain pipe.
When the device is used, after the gas is refrigerated by the refrigerating device, the gas is input into the high-pressure separator through the second connecting pipe, then the water in the gas is separated again through the high-pressure separator, the separated water is discharged through the second drain pipe, and then the gas is discharged into the supersonic spiral separation pipe through the third connecting pipe.
In a further technical scheme, the low pressure separator comprises a low pressure separator, one side of the low pressure separator is in through connection with one end of a fourth connecting pipe, the other end of the fourth connecting pipe is in through connection with the bottom of the supersonic spiral separator pipe and is in through connection with the expansion bin, the top of the low pressure separator is in through connection with one end of a fifth connecting pipe, the other end of the fifth connecting pipe is in through connection with the other end of the supersonic spiral separator pipe, a discharge pipe is arranged at one end of the fifth connecting pipe far away from the supersonic spiral separator pipe, the bottom of the low pressure separator is in through connection with the top of a third drain pipe, the bottom of the third drain pipe is in through connection with a converging pipe, and the middle of the converging pipe is in through connection with the first drain pipe and the second drain pipe respectively.
When the device is used, water at the separated position in the supersonic spiral separation pipe can pass through the low-pressure separator, the separated gas can be discharged through the fifth connecting pipe through the separation treatment of the low-pressure separator, a discharge pipe is arranged at one end, far away from the supersonic spiral separation pipe, of the fifth connecting pipe, and finally the gas is discharged through the discharge pipe, so that the gas can be collected, and meanwhile, water discharged by the pre-separation device, the high-pressure separation device and the low-pressure separation device can be discharged in a concentrated mode through the converging pipe, so that the device is convenient for concentrated treatment.
The beneficial effects of the utility model are as follows:
1. through the supersonic spiral separation pipe, when the gas in the high-pressure separation device is input into the supersonic spiral separation pipe, the turbine fan is started firstly, the action of the turbine fan can generate a swirling flow which tends to and advances, in the process of going to the throat, the air becomes smaller, the speed becomes larger, the pressure becomes smaller and the temperature is reduced, the gas enters the expansion bin after exceeding the sonic speed at the throat, the speed continues to increase and the pressure and the temperature continue to decrease according to the characteristics of the Laval pipe, the relatively high moisture in the gas is discharged into the fourth connecting pipe by the centrifugal force of the swirling, then the gas circulates in the expansion bin, the pressurization and the temperature increase are continued, and the gas is output as dry gas, so that the gas can be recycled, and the problems that the associated gas has high operation cost and low safety coefficient when being processed are solved, and the system power is greatly increased at the same time;
2. through setting up preseparation device, high pressure separator and low pressure separator, associated gas is at first by the intake pipe input to preseparator in, can discharge the water in the gas through first drain pipe after later passing through preseparator, and gas is in to refrigerating plant ware by first connecting pipe input afterwards, can carry out preliminary treatment to gas through preseparation device's setting to can improve gaseous availability factor, later through high pressure separator and low pressure separator's separation again handle, very big improvement to associated gas recovery's utilization ratio.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of the structure of the preseparation apparatus of the present utility model;
FIG. 3 is a schematic view of the refrigeration apparatus of the present utility model;
FIG. 4 is a schematic view of the structure of the high pressure separator of the present utility model;
FIG. 5 is a schematic structural view of a supersonic spiral separator tube of the present utility model;
fig. 6 is a schematic view of the structure of the low pressure separation apparatus of the present utility model.
Reference numerals illustrate:
1. a preseparation device; 2. a refrigerating device; 3. a high pressure separation device; 4. a supersonic spiral separator tube; 5. a low pressure separation device; 6. a converging pipe; 101. a preseparator; 102. an air inlet pipe; 103. a first connection pipe; 104. a first drain pipe; 201. a first connection port; 202. a second connection port; 203. a refrigeration assembly; 301. a high pressure separator; 302. a second connection pipe; 303. a third connection pipe; 304. a second drain pipe; 401. a turbine fan; 402. a throat; 403. expanding the bin; 501. a low pressure separator; 502. a fourth connection pipe; 503. a fifth connection pipe; 504. and a third drain pipe.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-6, the utility model provides an oilfield associated gas recycling device, which comprises a pre-separation device 1, a refrigeration device 2, a high-pressure separation device 3, a supersonic spiral separation tube 4 and a low-pressure separation device 5, wherein one side of the pre-separation device 1 is in through connection with one end of the refrigeration device 2, one side of the high-pressure separation device 3 is in through connection with the other end of the refrigeration device 2, the top of the high-pressure separation device 3 is in through connection with the supersonic spiral separation tube 4, one side of the low-pressure separation device 5 is in through connection with the middle part of the supersonic spiral separation tube 4, the top of the low-pressure separation device 5 is in through connection with one end of the supersonic spiral separation tube 4, a turbine fan 401 is arranged on the inner wall of the supersonic spiral separation tube 4, the diameter of the inner wall of the turbine fan 401 is 15cm, one side of the turbine fan 401 is provided with a throat 402, the diameter of the inner wall of the throat 403 is provided with an expansion bin 403, and the diameter of the inner wall of the expansion bin is 15cm.
Specifically, the preseparation device 1 includes a preseparation device 101, one side of the preseparation device 101 is connected with an air inlet pipe 102 in a penetrating manner, the top of the preseparation device 101 is connected with a first connecting pipe 103 in a penetrating manner, and the bottom of the preseparation device 101 is connected with the top of a first drain pipe 104 in a penetrating manner.
Specifically, a first connection port 201 is provided on one side of the refrigerating device 2, the first connection port 201 is connected with the first connection pipe 103 in a penetrating manner, a second connection port 202 is provided on the other side of the refrigerating device 2, and refrigerating components 203 distributed in parallel are installed in the refrigerating device 2.
Specifically, the refrigeration assembly 203 is comprised of a ventilation assembly and a refrigeration tube.
Specifically, the high-pressure separator 3 includes a high-pressure separator 301, one side of the high-pressure separator 301 is connected to one end of a second connecting pipe 302 in a penetrating manner, the other end of the second connecting pipe 302 is connected to the second connecting port 202 in a penetrating manner, the top of the high-pressure separator 301 is connected to a third connecting pipe 303 in a penetrating manner, the other end of the third connecting pipe 303 is connected to one side of the supersonic spiral separator pipe 4 in a penetrating manner, and the bottom of the high-pressure separator 301 is connected to the top of a second drain pipe 304 in a penetrating manner.
Specifically, the low pressure separator 5 includes a low pressure separator 501, one side of the low pressure separator 501 is connected with one end of a fourth connecting pipe 502 in a penetrating manner, the other end of the fourth connecting pipe 502 is connected with the bottom of the supersonic spiral separator pipe 4 in a penetrating manner, and is connected with the expansion chamber 403 in a penetrating manner, the top of the low pressure separator 501 is connected with one end of a fifth connecting pipe 503 in a penetrating manner, the other end of the fifth connecting pipe 503 is connected with the other end of the supersonic spiral separator pipe 4 in a penetrating manner, a discharge pipe is arranged at one end of the fifth connecting pipe 503 far away from the supersonic spiral separator pipe 4, the bottom of the low pressure separator 501 is connected with the top of a third drain pipe 504 in a penetrating manner, and the bottom of the third drain pipe 504 is connected with the converging pipe 6 in a penetrating manner.
Specifically, the middle portion of the junction pipe 6 is connected to the first drain pipe 104 and the second drain pipe 304.
The working principle and the beneficial effects of the embodiment are as follows.
The associated gas is firstly input into the preseparator 101 through the air inlet pipe 102, then water in the gas can be discharged through the first drain pipe 104 after passing through the preseparator 101, then the gas is input into the refrigerating device 2 through the first connecting pipe 103, the gas can be pretreated through the arrangement of the preseparator 1, thereby improving the service efficiency of the gas, when the gas enters the refrigerating device 2 through the first connecting pipe 201, the gas can be cooled through the refrigerating component 203 so as to be convenient for high-pressure separation, the gas is input into the high-pressure separator 301 through the second connecting pipe 302 after being refrigerated by the refrigerating device 2, then the water in the gas is separated again through the high-pressure separator 301, the separated water is discharged through the second drain pipe 304, and then the gas is discharged into the supersonic spiral separating pipe 4 through the third connecting pipe 303, when the gas in the high-pressure separation device 3 is input into the supersonic spiral separation pipe 4, the turbine fan 401 is started firstly, the turbine fan 401 can generate inclined and inward spiral flow under the action of the air, the air becomes smaller, the speed becomes larger, the pressure becomes smaller and the temperature becomes lower in the process of going to the throat 402, the air enters the expansion bin 403 after exceeding the sound speed at the throat 402, the speed continues to increase, the pressure and the temperature continue to decrease according to the characteristics of the Laval pipe, relatively high moisture in the gas is discharged into the fourth connecting pipe 502 by the centrifugal force of the spiral, then the gas flows in the expansion bin 403, the pressurization and the temperature increase are continued, the dry gas is output, the gas can be recycled, the moisture at the separated position in the supersonic spiral separation pipe 4 can be discharged through the fifth connecting pipe 503 through the separation treatment of the low-pressure separator 501, the discharge pipe is arranged at one end of the fifth connecting pipe 503 far away from the supersonic spiral separation pipe 4, and finally the gas can be collected after being discharged by the discharge pipe, and meanwhile, the water discharged by the pre-separation device 1, the high-pressure separation device 3 and the low-pressure separation device 5 can be discharged in a concentrated way through the converging pipe 6, so that the concentrated treatment is facilitated.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (7)
1. The utility model provides an oilfield associated gas recycle device, includes preseparation device, refrigerating plant ware, high pressure separation device, supersonic speed spiral separator pipe and low pressure separation device, its characterized in that: the utility model discloses a high-pressure separation device, including high-pressure separation device, low-pressure separation device, supersonic speed spiral separating tube, pre-separation device, turbo fan inner wall diameter is 15cm, turbo fan one side is equipped with the throat, throat inner wall diameter is 5cm, throat one side is equipped with expansion bin, expansion bin inner wall diameter is 15cm.
2. The oilfield associated gas recycling device according to claim 1, wherein: the pre-separation device comprises a pre-separator, one side of the pre-separator is connected with an air inlet pipe in a penetrating mode, the top of the pre-separator is connected with a first connecting pipe in a penetrating mode, and the bottom of the pre-separator is connected with the top of a first drain pipe in a penetrating mode.
3. The oilfield associated gas recycling device according to claim 1, wherein: the refrigerating device comprises a refrigerating device body, and is characterized in that a first connecting port is formed in one side of the refrigerating device body, the first connecting port is in through connection with a first connecting pipe, a second connecting port is formed in the other side of the refrigerating device body, and refrigerating components which are distributed in parallel are arranged in the refrigerating device body.
4. The oilfield associated gas recycle device according to claim 3, wherein: the refrigerating assembly is composed of a ventilation assembly and a refrigerating tube.
5. The oilfield associated gas recycling device according to claim 1, wherein: the high-pressure separation device comprises a high-pressure separator, one side of the high-pressure separator is in through connection with one end of a second connecting pipe, the other end of the second connecting pipe is in through connection with a second connecting port, the top of the high-pressure separator is in through connection with a third connecting pipe, the other end of the third connecting pipe is in through connection with one side of a supersonic spiral separation pipe, and the bottom of the high-pressure separator is in through connection with the top of a second drain pipe.
6. The oilfield associated gas recycling device according to claim 1, wherein: the low-pressure separation device comprises a low-pressure separator, one side of the low-pressure separator is communicated with one end of a fourth connecting pipe, the other end of the fourth connecting pipe is communicated with the bottom of the supersonic spiral separation pipe and is communicated with the expansion bin, the top of the low-pressure separator is communicated with one end of a fifth connecting pipe, the other end of the fifth connecting pipe is communicated with the other end of the supersonic spiral separation pipe, a discharge pipe is arranged at one end, far away from the supersonic spiral separation pipe, of the fifth connecting pipe, the bottom of the low-pressure separator is communicated with the top of a third drain pipe, and the bottom of the third drain pipe is communicated with a converging pipe.
7. The oilfield associated gas recycle device according to claim 6, wherein: the middle part of the converging pipe is respectively connected with the first drain pipe and the second drain pipe in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143412.XU CN219136701U (en) | 2022-11-25 | 2022-11-25 | Oilfield associated gas recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223143412.XU CN219136701U (en) | 2022-11-25 | 2022-11-25 | Oilfield associated gas recycling device |
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| Publication Number | Publication Date |
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| CN219136701U true CN219136701U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223143412.XU Active CN219136701U (en) | 2022-11-25 | 2022-11-25 | Oilfield associated gas recycling device |
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| CN (1) | CN219136701U (en) |
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- 2022-11-25 CN CN202223143412.XU patent/CN219136701U/en active Active
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