CN215256148U - Test gas open flow recovery device - Google Patents
Test gas open flow recovery device Download PDFInfo
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- CN215256148U CN215256148U CN202120551795.0U CN202120551795U CN215256148U CN 215256148 U CN215256148 U CN 215256148U CN 202120551795 U CN202120551795 U CN 202120551795U CN 215256148 U CN215256148 U CN 215256148U
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Abstract
The utility model provides a test gas blowout recovery unit, including grit chamber, vapour and liquid separator and natural gas purifier, be equipped with first control valve on the admission line of grit chamber, grit chamber bottom intercommunication is provided with oil drain pipe, oil drain pipe is linked together with vapour and liquid separator's import department, grit chamber top intercommunication is provided with first exhaust duct, first exhaust duct is linked together with natural gas purification pipeline's import department, vapour and liquid separator's export intercommunication is provided with second exhaust duct, second exhaust duct is linked together with first exhaust duct, natural gas purifier's gas outlet is equipped with third exhaust duct, sewage pipes has all been seted up to grit chamber, vapour and liquid separator and natural gas purifier bottom. The utility model provides a test gas blowout recovery unit can remove sand, gas-liquid separation and purify the test gas to the natural gas of exploitation initial stage, and natural gas after can high-efficiently retrieving the exploitation has improved utilization efficiency.
Description
Technical Field
The utility model relates to an oil and gas exploitation technical field, concretely relates to test gas blowout recovery unit.
Background
Natural gas is used as clean energy, has wide application field, is limited by production conditions, and is still an open mode of air combustion at the initial stage of the existing mining mode, thereby not only wasting energy, but also polluting environment. Taking only one operation block of the Changqing oil field as an example, the number of new wells per year is more than one hundred, the natural gas loss amount per day in the initial stage of open flow production is about 5-10 ten thousand, and the period is about 10 days, so that the natural gas loss in open flow all the year is about 5000 plus 10000 ten thousand.
The natural gas well is induced to produce, the fracturing fluid and unstable fracturing sand in a shaft and in a near-wellbore zone are removed, and the mixed natural gas is discharged to contain sand and liquid and needs to be recycled. In the prior art, the natural gas is recovered by open flow, purification treatment is lacked, the concentration of the natural gas is impure, and pure natural gas cannot be obtained.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a test gas blowout recovery unit can carry out desanding, gas-liquid separation and purify the test gas to the natural gas of exploitation initial stage, can high-efficiently retrieve the natural gas after the exploitation, has improved the utilization efficiency.
In order to solve the technical problem, the utility model provides a test gas open flow recovery device, which comprises a sand setting tank, a gas-liquid separator and a natural gas purifier, wherein a first control valve is arranged on an air inlet pipeline of the sand setting tank, an oil discharge pipeline is communicated with the bottom of the sand setting tank and communicated with an inlet of the gas-liquid separator, a first exhaust pipeline is communicated with the top of the sand setting tank and communicated with an inlet of the natural gas purifier, a second exhaust pipeline is communicated with an outlet of the gas-liquid separator and communicated with the first exhaust pipeline, a third exhaust pipeline is arranged at a gas outlet of the natural gas purifier, a fourth exhaust pipeline is communicated with the top of the natural gas purifier, and sewage discharge pipelines are arranged at the bottoms of the sand setting tank, the gas-liquid separator and the natural gas purifier, the sewage pipeline is communicated with a sewage storage tank, and a stop valve is arranged on the sewage pipeline.
Furthermore, a second control valve is arranged on the oil discharge pipeline, and a first pressure gauge is arranged on the left side of the second control valve.
Further, be provided with the third control valve on the first exhaust duct, the third control valve is located the rear of second exhaust duct and first exhaust duct connector, third control valve left side is provided with the second manometer, be provided with the relief pressure valve on the first exhaust duct, the relief pressure valve is located the place ahead of second exhaust duct and first exhaust duct connector, the relief pressure valve right side is provided with the third manometer.
Furthermore, a fourth control valve is arranged on the second exhaust pipeline, and a fourth pressure gauge is arranged on the left side of the fourth control valve.
Furthermore, the third exhaust pipeline is connected with the natural gas gathering and transportation pipe through a fifth control valve.
Further, the fourth exhaust pipeline is communicated with the waste gas collecting pipeline through a sixth control valve.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: the sand setting tank is vertical, natural gas mixed in an oil well is desanded through the sand setting tank, a sewage discharge port is formed in the bottom of the sand setting tank, sand can be discharged out of the sand setting tank and enters the sewage storage tank, waste is subjected to centralized treatment, and air pollution is reduced.
Through the natural gas after the desanding, the high pressure natural gas that contains the impurity gets into natural gas purifier through the relief pressure valve, can purify the recovery to the examination gas, directly utilizes, and the natural gas that contains the oil gas mixture passes through the oil-gas separation jar, can be with contaminated oil pollution discharge treatment, later gets into natural gas purifier purification treatment, can fully retrieve the natural gas that contains the impurity.
The stop valve that dirty case and blow off pipe set up stores up can control the blowdown, and the junction adopts the screwed pipe to connect, and convenient the dismantlement to clear away debris.
The utility model discloses can carry out desanding, gas-liquid separation, sand discharging and purify it to the natural gas of exploitation initial stage, can high-efficiently retrieve the natural gas after the exploitation, improve utilization efficiency.
Drawings
Fig. 1 is the structure schematic diagram of the test gas open flow recovery device of the utility model.
1. A sand setting tank; 2. a gas-liquid separator; 3. a natural gas purifier; 4. an air intake duct; 5. an oil discharge pipe; 6. a first exhaust duct; 7. a second exhaust conduit; 8. a third exhaust conduit; 9. a fourth exhaust conduit; 10. a blowdown line; 11. a sewage storage tank; 12. a stop valve; 13. a first control valve; 14. a second control valve; 15. a third control valve; 16. a fourth control valve; 17. a fifth control valve; 18. a sixth control valve; 19. a first pressure gauge; 20. a second pressure gauge; 21. a third pressure gauge; 22. a fourth pressure gauge; 23. a pressure reducing valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made with reference to fig. 1 of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example one
As shown in fig. 1: a test gas open-flow recovery device comprises a grit chamber 1, a gas-liquid separator 2 and a natural gas purifier 3, wherein a first control valve 13 is arranged on an air inlet pipeline 4 of the grit chamber 1, an oil discharge pipeline 5 is communicated with the bottom of the grit chamber 1, the oil discharge pipeline 5 is communicated with an inlet of the gas-liquid separator 2, a first exhaust pipeline 6 is communicated with the top of the grit chamber 1, the first exhaust pipeline 6 is communicated with an inlet of the natural gas purifier 3, a second exhaust pipeline 7 is communicated with an outlet of the gas-liquid separator 2, the second exhaust pipeline 7 is communicated with the first exhaust pipeline 6, a third exhaust pipeline 8 is arranged at a gas outlet of the natural gas purifier 3, a fourth exhaust pipeline 9 is communicated with the top of the natural gas purifier 3, and sewage discharge pipelines 10 are respectively arranged at the bottoms of the grit chamber 1, the gas-liquid separator 2 and the natural gas purifier 3, the sewage pipeline 10 is communicated with a sewage storage tank 11, and a stop valve 12 is arranged on the sewage pipeline 11.
Particularly, sand setting jar, vapour and liquid separator and natural gas purifier carry out sand removal, oil-gas separation and purification treatment to the miscellaneous natural gas that contains of crude oil well respectively, and the waste material after the processing passes through blow off pipe and stores up dirty case intercommunication, concentrates on handling the waste material.
The gas-liquid separator is required to be capable of separating gas from liquid as much as possible, and after passing through the gas-liquid separator, the liquid is liquid and does not contain gas, while the gas is gas and does not contain liquid. The gas-liquid separator adopts a plurality of separation structures, and the separation method comprises the following steps: settling by gravity; baffling and separating; separating by centrifugal force; separating the silk screen; performing ultrafiltration separation; filler separation, etc. The gas-liquid separator can also be applied to various industrial and civil occasions such as gas dust removal, oil-water separation, liquid impurity removal and the like.
The natural gas purifier is used for carrying out desulfurization and dehydration treatment on the exploited natural gas, and the treated natural gas can be used. The natural gas dehydration mainly comprises low-temperature dehydration, solvent absorption dehydration, solid adsorption dehydration and chemical reaction dehydration, the solvent absorption dehydration is the most powerful at present, the natural gas desulfurization mainly refers to hydrogen sulfide removal, and the conventional desulfurization methods comprise a chemical solvent method, a physical chemical solvent method, a direct conversion method and the like.
According to one embodiment of the present invention, as shown in figure 1,
and a second control valve 14 is arranged on the oil discharge pipeline 5, and a first pressure gauge 19 is arranged on the left side of the second control valve 14. And the first pressure gauge controls the second control valve, when the pressure reaches a required range, the second control valve is opened, and the gas-liquid mixture in the desanded crude oil enters a gas-liquid separator for oil-gas separation.
According to one embodiment of the present invention, as shown in figure 1,
be provided with third control valve 15 on the first exhaust duct 6, third control valve 15 is located the rear of second exhaust duct 7 and first exhaust duct 6 connector, third control valve 15 left side is provided with second manometer 20, be provided with relief pressure valve 23 on the first exhaust duct 6, relief pressure valve 23 is located the place ahead of second exhaust duct 7 and first exhaust duct 6 connector, relief pressure valve 23 right side is provided with third manometer 21. First exhaust duct and second exhaust duct intercommunication, first exhaust duct are linked together with natural gas purifier, set up the relief pressure valve at first exhaust duct, and the natural gas after the degritting and the gas-liquid separation carries out the decompression, later gets into the natural gas purification jar.
According to one embodiment of the present invention, as shown in figure 1,
a fourth control valve 16 is arranged on the second exhaust pipeline 7, and a fourth pressure gauge 22 is arranged on the left side of the fourth control valve 16. And the fourth pressure gauge controls the fourth control valve, when the air pressure in the gas-liquid separator reaches a certain range, the fourth valve is controlled to be opened, and the test gas enters the natural gas purification tank through the second exhaust pipeline.
According to one embodiment of the present invention, as shown in figure 1,
the third exhaust duct 8 is connected to the natural gas gathering and transportation pipe via a fifth control valve 17. The natural gas purifying tank purifies the natural gas containing impurities, and the treated natural gas is communicated with the gathering and transportation pipeline and can be directly used.
According to one embodiment of the present invention, as shown in figure 1,
the fourth exhaust line 9 communicates with an exhaust gas collecting line via a sixth control valve 18. The fourth exhaust pipeline is a waste gas exhaust port of the natural gas purifier and is communicated with the waste gas collecting pipeline.
The utility model discloses a use method: the test gas enters the sand setting tank through the gas inlet pipeline, the natural gas after desanding is divided into high-pressure natural gas containing impurities and natural gas mixed with oil gas, the high-pressure natural gas containing impurities can be directly utilized after being purified, and the natural gas mixed with the oil gas and the high-pressure natural gas containing impurities enter the natural gas purifier after being subjected to oil-gas separation.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A test gas open-flow recovery device comprises a sand setting tank (1), a gas-liquid separator (2) and a natural gas purifier (3), wherein a first control valve (13) is arranged on an air inlet pipeline (4) of the sand setting tank (1), an oil discharge pipeline (5) is communicated with the bottom of the sand setting tank (1), the oil discharge pipeline (5) is communicated with an inlet of the gas-liquid separator (2), a first exhaust pipeline (6) is communicated with the top of the sand setting tank (1), the first exhaust pipeline (6) is communicated with an inlet of the natural gas purifier (3), a second exhaust pipeline (7) is communicated with an outlet of the gas-liquid separator (2), the second exhaust pipeline (7) is communicated with the first exhaust pipeline (6), a gas outlet of the natural gas purifier (3) is provided with a third exhaust pipeline (8), a fourth exhaust pipeline (9) is communicated with the top of the natural gas purifier (3), blow-off pipes (10) have all been seted up to grit chamber (1), vapour and liquid separator (2) and natural gas purifier (3) bottom, blow-off pipes (10) intercommunication is provided with storage dirty case (11), be provided with stop valve (12) on blow-off pipes (10).
2. The test gas blowout recovery apparatus according to claim 1, characterized in that: and a second control valve (14) is arranged on the oil discharge pipeline (5), and a first pressure gauge (19) is arranged on the left side of the second control valve (14).
3. The test gas blowout recovery apparatus according to claim 1, characterized in that: be provided with third control valve (15) on first exhaust duct (6), third control valve (15) are located the rear of second exhaust duct (7) and first exhaust duct (6) connector, third control valve (15) left side is provided with second manometer (20), be provided with relief pressure valve (23) on first exhaust duct (6), relief pressure valve (23) are located the place ahead of second exhaust duct (7) and first exhaust duct (6) connector, relief pressure valve (23) right side is provided with third manometer (21).
4. The test gas blowout recovery apparatus according to claim 1, characterized in that: and a fourth control valve (16) is arranged on the second exhaust pipeline (7), and a fourth pressure gauge (22) is arranged on the left side of the fourth control valve (16).
5. The test gas blowout recovery apparatus according to claim 1, characterized in that: and the third exhaust pipeline (8) is connected with the natural gas gathering and transportation pipe through a fifth control valve (17).
6. The test gas blowout recovery apparatus according to claim 1, characterized in that: the fourth exhaust pipeline (9) is communicated with the waste gas collecting pipeline through a sixth control valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120551795.0U CN215256148U (en) | 2021-03-17 | 2021-03-17 | Test gas open flow recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120551795.0U CN215256148U (en) | 2021-03-17 | 2021-03-17 | Test gas open flow recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256148U true CN215256148U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120551795.0U Active CN215256148U (en) | 2021-03-17 | 2021-03-17 | Test gas open flow recovery device |
Country Status (1)
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| CN (1) | CN215256148U (en) |
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2021
- 2021-03-17 CN CN202120551795.0U patent/CN215256148U/en active Active
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| Date | Code | Title | Description |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230905 Address after: Puyang Industrial Park at the southwest corner of the intersection of Qinghe Road and Weiba Road in the east section of Huanghe Road, Puyang City, Henan Province Patentee after: Henan Zhongneng Energy Technology Co.,Ltd. Address before: 457000 No. 705, floor 7, building 1, northeast corner of the intersection of Jingkai Avenue and Shengli Road, Puyang City, Henan Province Patentee before: Puyang Tianhui Juneng Petroleum Engineering Co.,Ltd. |
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