CN212671749U - Self-pressure sewage discharging device for gas-liquid separation - Google Patents
Self-pressure sewage discharging device for gas-liquid separation Download PDFInfo
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- CN212671749U CN212671749U CN202020527032.8U CN202020527032U CN212671749U CN 212671749 U CN212671749 U CN 212671749U CN 202020527032 U CN202020527032 U CN 202020527032U CN 212671749 U CN212671749 U CN 212671749U
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- 239000007788 liquid Substances 0.000 title claims abstract description 168
- 238000000926 separation method Methods 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 title claims abstract description 24
- 239000010865 sewage Substances 0.000 title claims description 6
- 238000001802 infusion Methods 0.000 claims abstract description 52
- 239000003129 oil well Substances 0.000 claims abstract description 40
- 241000191291 Abies alba Species 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 241000521257 Hydrops Species 0.000 abstract description 22
- 206010030113 Oedema Diseases 0.000 abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 22
- 239000002699 waste material Substances 0.000 abstract description 18
- 239000003345 natural gas Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model relates to a self-pressure waste fitting discharging for gas-liquid separation, this self-pressure waste fitting discharging for gas-liquid separation includes at least one vapour and liquid separator, carry out the first infusion pipeline that discharges and carry out the heat tracing pipe that heats to first infusion pipeline to the hydrops in the vapour and liquid separator, vapour and liquid separator's hydrops delivery outlet is connected with the one end of first infusion pipeline, the other end and the sheathed tube internal connection of oil well of first infusion pipeline, heat tracing pipe says that the extending direction along first infusion pipeline is fixed side by side with first infusion pipeline, so that the outer wall that the heat tracing pipe said laminates with the outer wall of first infusion pipeline mutually, vapour and liquid separator highly is greater than the height of oil well sleeve pipe on the horizontal direction. The utility model provides an oil production station can't guarantee to carry out timely, effectual processing to the hydrops that separates out from the natural gas, easily causes environmental pollution's technical problem.
Description
Technical Field
The utility model relates to an oil recovery engineering technical field, it is further, relate to a autogenous pressure waste fitting discharging for gas-liquid separation, especially relate to a autogenous pressure waste fitting discharging that multiple type separator and container class waste fitting discharging of oil recovery station used.
Background
At the present stage, the oil extraction station adopts a gas-liquid separator to separate natural gas and liquid in the natural gas, so that the natural gas can keep a certain dryness, and the purpose of providing energy for a heating furnace on the oil extraction station through the natural gas is met.
The accumulated liquid separated by the gas-liquid separator needs to be discharged periodically, if the discharge is not timely, the accumulated liquid enters the heating furnace through the gas transmission pipeline, the normal work of the heating furnace is influenced, and even safety accidents can be caused under severe conditions. After the winter, the accumulated liquid generated by the gas-liquid separator needs to be discharged every day, and once the accumulated liquid is frozen in the gas-liquid separator, the gas-liquid separator cannot be normally used. At present, the way of oil extraction station is with hydrops row to sump oil jar, then carries the hydrops in the sump oil jar to the defeated pipeline of mixing and transportation through the greasy dirt pump and carries out subsequent processing, but the problem that exists need monitor the liquid level in the sump oil jar in real time, otherwise easily takes place the excessive jar accident. In addition, when sump oil pump goes wrong, just can't carry out normal flowing back, lead to having the direct outer condition of arranging of oil recovery station with the hydrops, cause the pollution to the environment.
Aiming at the problems that the oil extraction station in the related art can not ensure timely and effective treatment of the effusion separated from the natural gas and is easy to cause environmental pollution, an effective solution is not provided at present.
Therefore, the inventor provides an autogenous pressure sewage discharging device for gas-liquid separation by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a autogenous pressure waste fitting discharging for gas-liquid separation need not to set up sump oil jar and sump oil pump, can discharge with the hydrops to in the vapour and liquid separator at any time, and convenient and fast need not to consider the liquid level of sump oil jar and the maintenance scheduling problem of sump oil pump in the course of the work, reduces staff's intensity of labour. Utilize difference in height and the pressure difference between vapour and liquid separator and the oil well sleeve pipe, can arrange the hydrops of production to the oil well sleeve pipe automatically intraductally, reach and in time discharge and stop the emergence of arranging the phenomenon outward, improve work efficiency, avoid causing the pollution to the environment.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a autogenous pressure waste fitting discharging for gas-liquid separation, a autogenous pressure waste fitting discharging for gas-liquid separation includes at least one vapour and liquid separator, right hydrops in the vapour and liquid separator carries out the first infusion pipeline that discharges and right first infusion pipeline carries out the heat tracing pipeline that heats, wherein:
the accumulated liquid output port of the gas-liquid separator is connected with one end of the first liquid conveying pipeline, the other end of the first liquid conveying pipeline is connected with the inside of the oil well casing pipe, and the heat tracing pipeline is fixed with the first liquid conveying pipeline side by side along the extension direction of the first liquid conveying pipeline so that the outer wall of the heat tracing pipeline is attached to the outer wall of the first liquid conveying pipeline;
the height of the gas-liquid separator in the horizontal direction is greater than the height of the oil well casing in the horizontal direction.
In a preferred embodiment of the present invention, the self-pressure sewage draining device for gas-liquid separation further comprises at least one air condenser, and the condensate outlet of the air condenser is connected to the first liquid conveying pipeline.
The utility model discloses an in a preferred embodiment, air condenser with be provided with the second infusion pipeline between the first infusion pipeline, the one end of second infusion pipeline with air condenser's condensate delivery outlet is connected, the other end of second infusion pipeline with first infusion pipeline connects.
In a preferred embodiment of the present invention, the second infusion pipeline is provided with a blowoff valve of the air cooler.
The utility model discloses an in a preferred embodiment, be provided with the separator blowoff valve on the first infusion pipeline, the separator blowoff valve is located and is close to vapour and liquid separator's hydrops delivery outlet department.
The utility model discloses an in a preferred embodiment, first infusion pipeline with be provided with the casing valve between the oil well sleeve pipe, the sheathed tube top of oil well be provided with the christmas tree that the sheathed tube inside of oil well is linked together, the casing valve set up in on the christmas tree.
In a preferred embodiment of the present invention, the inside of the oil well casing is connected to one end of the gas receiving pipe, and the other end of the gas receiving pipe is connected to the gas input port of the gas-liquid separator.
The utility model discloses an in a preferred embodiment, receive the gas pipeline with be provided with between the oil well sleeve pipe and receive the gas valve, receive the gas valve set up in on the production tree.
In a preferred embodiment of the present invention, the air receiving pipe is provided with an air receiving control valve.
In a preferred embodiment of the present invention, the first fluid conveying pipe is provided with a main blowdown valve, and the main blowdown valve is located close to the sleeve valve.
In a preferred embodiment of the present invention, the heat tracing inlet and the heat tracing outlet of the heat tracing pipe are respectively connected to the hot water conveying pipeline, and the heat tracing inlet of the heat tracing pipe and the heat tracing outlet of the heat tracing pipe are respectively provided with an inlet valve and an outlet valve.
In a preferred embodiment of the present invention, the first fluid-conveying pipe is a steel pipe with an outer diameter of 50mm, and the heat-tracing pipe is a steel pipe with an outer diameter of 25 mm.
From top to bottom, the utility model discloses a characteristics and advantage that are used for autogenous pressure waste fitting discharging of gas-liquid separation are: the accumulated liquid output port of the gas-liquid separator is connected with the inside of the oil well casing pipe through the first infusion pipeline, because the height of the gas-liquid separator in the horizontal direction is larger than the height of the oil well casing pipe in the horizontal direction, a height difference and a pressure difference are formed between the gas-liquid separator and the oil well casing pipe, after the accumulated liquid output port of the gas-liquid separator is opened, the accumulated liquid in the gas-liquid separator is automatically discharged into the oil well casing pipe under the action of pressure, thereby achieving the purposes of timely discharging and avoiding the occurrence of outward discharge phenomenon, being convenient to control and avoiding polluting the environment, and the utility model can cancel the arrangement of the sump oil tank and the sump oil pump, completely avoiding the problems of considering the liquid level of the sump oil tank, the maintenance of the sump oil pump and the like in the working process, greatly reducing the labor intensity of workers, in addition, the heat tracing pipeline is arranged outside the first infusion pipeline side, through letting in circulated hot water in the heat tracing pipeline, can heat first infusion pipeline, avoid the hydrops to take place to freeze in first infusion pipeline to avoided getting rid of the hydrops in-process at every turn and need work such as unloading, sweeping wire, further reduced staff's work load, thereby improve work efficiency greatly.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: does the utility model discloses a structural schematic diagram of autogenous pressure waste fitting discharging for gas-liquid separation.
The utility model provides an reference numeral does:
1. a gas-liquid separator; 2. A first infusion line;
201. a separator blow-down valve; 202. A main blowdown valve;
3. a heat tracing pipeline; 301. An inlet valve;
302. an outlet valve; 4. An air condenser;
5. a second infusion line; 501. A blow-down valve of the air cooler;
6. a sleeve valve; 7. A gas receiving valve;
8. a gas receiving pipeline; 801. A gas collecting control valve.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a self-pressure waste fitting discharging for gas-liquid separation, this self-pressure waste fitting discharging for gas-liquid separation include at least one vapour and liquid separator 1, first infusion pipeline 2 and heat tracing pipeline 3, and first infusion pipeline 2 is arranged in discharging the hydrops in vapour and liquid separator 1, and heat tracing pipeline 3 is used for heating first infusion pipeline 2. Wherein: the accumulated liquid output port of the gas-liquid separator 1 is connected with one end of a first liquid conveying pipeline 2, the other end of the first liquid conveying pipeline 2 is connected with the inside of the oil well casing, and a heat tracing pipeline 3 is fixed with the first liquid conveying pipeline 2 in parallel along the extension direction of the first liquid conveying pipeline 2 so that the outer wall of the heat tracing pipeline 3 is attached to the outer wall of the first liquid conveying pipeline 2; the height of the gas-liquid separator 1 in the horizontal direction is greater than the height of the well casing in the horizontal direction.
The utility model discloses the hydrops delivery outlet of vapour and liquid separator 1 is connected with the inside of oil well sleeve pipe through first infusion pipeline 2, because the height of vapour and liquid separator 1 in the horizontal direction is greater than the height of oil well sleeve pipe in the horizontal direction, form difference in height and pressure between vapour and liquid separator 1 and the oil well sleeve pipe, after opening the hydrops delivery outlet of vapour and liquid separator 1, the hydrops in vapour and liquid separator 1 is discharged to the oil well sleeve pipe automatically under the pressure effect, the hydrops can be lifted to the ground along with the oil in the oil well sleeve pipe for subsequent treatment, reach the emergence that can discharge in time and stop the outward discharge phenomenon, the operation is convenient, avoid causing the pollution to the environment, and the utility model can cancel the arrangement of slop oil tank and slop oil pump, need not to consider the liquid level of slop oil tank and the maintenance scheduling problem of slop oil pump completely in the, in addition, the heat tracing pipeline 3 is arranged outside the first infusion pipeline 2 side by side, the outer wall of the heat tracing pipeline 3 is attached to the outer wall of the first infusion pipeline 2, the first infusion pipeline 2 can be heated by introducing circulated hot water into the heat tracing pipeline 3, the temperature of the first infusion pipeline 2 is guaranteed to be about 60 ℃ all the time, the accumulated liquid is prevented from being frozen in the first infusion pipeline 2, the work of emptying, sweeping and the like in the process of removing the accumulated liquid every time is avoided, the workload of workers is further reduced, and the work efficiency is greatly improved.
In an optional embodiment of the present invention, as shown in fig. 1, the self-pressure sewage draining device for gas-liquid separation further comprises at least one air condenser 4, and a condensate outlet of the air condenser 4 is connected to the first liquid conveying pipe 2. In the conveying process of the accumulated liquid in the first liquid conveying pipeline 2, steam in the first liquid conveying pipeline 2 can enter the air condenser 4 to be condensed and liquefied, so that the accumulated liquid in the first liquid conveying pipeline 2 can be discharged into an oil well casing together.
Specifically, as shown in fig. 1, a second infusion pipe 5 is arranged between the air condenser 4 and the first infusion pipe 2, one end of the second infusion pipe 5 is connected with a condensate outlet of the air condenser 4, and the other end of the second infusion pipe 5 is connected with the first infusion pipe 2.
Further, as shown in fig. 1, an air cooler blow-off valve 501 is disposed on the second infusion pipe 5. The on-off of the second liquid conveying pipeline 5 is controlled by the air cooler blow-down valve 501, so that the discharge of the condensed liquid in the air condenser 4 is controlled.
Further, the air cooler blowoff valve 501 is connected with the second liquid conveying pipeline 5 through an oil extraction flange (not shown), and a sealing gasket (not shown) is arranged at the connecting position of the air cooler blowoff valve 501 and the second liquid conveying pipeline 5, so that stable and sealed connection between the air cooler blowoff valve 501 and the second liquid conveying pipeline 5 is ensured.
In an alternative embodiment of the present invention, as shown in fig. 1, a separator blowoff valve 201 is disposed on the first liquid conveying pipe 2, and the separator blowoff valve 201 is located at the position close to the effusion outlet of the gas-liquid separator 1. The on-off of the first liquid conveying pipeline 2 is controlled by the separator blow-down valve 201, so that the discharge of accumulated liquid in the gas-liquid separator 1 is controlled.
Further, the separator blow-off valve 201 is connected with the first liquid conveying pipeline 2 through an oil extraction flange (not shown), and a sealing gasket (not shown) is arranged at the connecting position of the separator blow-off valve 201 and the first liquid conveying pipeline 2, so that stable and sealed connection between the separator blow-off valve 201 and the first liquid conveying pipeline 2 is ensured.
Further, as shown in fig. 1, a casing valve 6 is arranged between the first infusion pipe 2 and the casing of the oil well, a christmas tree communicated with the inside of the casing of the oil well is arranged above the casing of the oil well, and the casing valve 6 is arranged on the christmas tree. The on-off between the oil well casing and the first liquid conveying pipeline 2 is controlled through the casing valve 6, so that the accumulated liquid is discharged into the oil well casing.
In an alternative embodiment of the present invention, as shown in fig. 1, the inside of the oil well casing is connected to one end of a gas receiving pipe 8, and the other end of the gas receiving pipe 8 is connected to the gas input port of the gas-liquid separator 1. The natural gas in the oil well casing is discharged outside through the gas receiving pipeline 8, and the discharged natural gas can be directly conveyed to the gas-liquid separator 1 for gas-liquid separation treatment, and also can be conveyed to the storage tank for collecting the natural gas.
Further, as shown in fig. 1, a gas receiving valve 7 is provided between the gas receiving pipe 8 and the oil well casing, the gas receiving valve 7 is provided on the christmas tree, and a gas receiving control valve 801 is provided on the gas receiving pipe 8. The on-off between the oil well casing pipe and the gas receiving pipeline 8 is controlled through the gas receiving valve 7 and the gas receiving control valve 801 so as to control the outward discharge of the natural gas.
Further, as shown in fig. 1, a main blowdown valve 202 is disposed on the first infusion line 2, and the main blowdown valve 202 is located near the sleeve valve 6. In the case where a plurality of gas-liquid separators 1 are provided, the accumulated liquid in each gas-liquid separator 1 can be collectively discharged to the outside through the blowdown header valve 202.
Further, the main blowdown valve 202 is connected with the first liquid conveying pipeline 2 through an oil production flange (not shown), and a sealing gasket (not shown) is arranged at the connecting position of the main blowdown valve 202 and the first liquid conveying pipeline 2, so that stable and sealed connection between the main blowdown valve 202 and the first liquid conveying pipeline 2 is ensured.
In an optional embodiment of the present invention, as shown in fig. 1, the heat tracing pipe 3 is turned over after extending from the effusion outlet of the gas-liquid separator 1 to the christmas tree above the oil well casing, and then extends from the christmas tree to the effusion outlet of the gas-liquid separator 1 in the opposite direction, so as to ensure that the first infusion pipeline 2 is sufficiently heated, the heat tracing inlet and the heat tracing outlet of the heat tracing pipe 3 are respectively connected with the hot water conveying pipeline, an inlet valve 301 is provided at the heat tracing inlet of the heat tracing pipe 3, an outlet valve 302 is provided at the heat tracing outlet of the heat tracing pipe 3, and the hot water in the hot water conveying pipeline can be controlled by the inlet valve 301 and the outlet valve 302 to circularly flow in the heat tracing pipe 3.
Further, the first infusion pipe 2 can be, but is not limited to, a steel pipe with an outer diameter of 50mm, and the heat tracing pipe 3 can be, but is not limited to, a steel pipe with an outer diameter of 25 mm.
The utility model discloses an installation and the use for gas-liquid separation's autogenous pressure waste fitting discharging are: the accumulated liquid output port of the gas-liquid separator 1 and the condensate output port of the air condenser 4 are connected with a first infusion pipeline 2, and the first infusion pipeline 2 extends to the upper part of a wellhead casing and is connected with a casing valve 6. The whole first liquid conveying pipeline 2 utilizes the heat tracing pipeline 3 to carry out whole-process heat tracing, so that accumulated liquid in the first liquid conveying pipeline 2 is prevented from being frozen, and the workload of emptying and purging pipelines can be saved in winter. When in use, the gas receiving valve 7 is closed (the gas receiving pipeline 8 is used for recovering natural gas in an oil well casing, the gas receiving valve 7 is opened under normal production conditions, but the gas receiving valve 7 needs to be closed in the process of well washing, casing pipe liquid filling and other measures, otherwise liquid is easy to enter the gas receiving pipeline 8 to cause oil filling or freezing of the gas receiving pipeline 8 and cannot receive gas normally), the casing pipe valve 6 is opened (the casing pipe valve 6 is a passage for hot washing liquid and the like to enter the underground, is in an open state when the oil is mixed in the well washing or underground, is in a closed state when the rest is carried out), then the effusion outlet of the gas-liquid separator for exhausting effusion is opened, so that the effusion in the gas-liquid separator naturally flows into the oil well casing along the first liquid conveying pipeline 2 under the condition of pressure balance, the effusion in the gas-liquid separator can be exhausted completely, and the effusion outlet of the gas-liquid separator is closed after the effusion is exhausted completely, and then, other gas-liquid separators are sequentially subjected to accumulated liquid removal, so that the automatic accumulated liquid removal operation is completed.
The utility model discloses a characteristics and advantage that are used for autogenous pressure waste fitting discharging of gas-liquid separation are:
one, this a self-pressure waste fitting discharging for gas-liquid separation passes through and forms difference in height and pressure difference between vapour and liquid separator 1 and the oil well sleeve pipe, and after the hydrops delivery outlet of opening vapour and liquid separator 1, the hydrops in vapour and liquid separator 1 is automatic arrange to the oil well sleeve pipe under the pressure effect in, reaches the emergence that can in time discharge and stop outer row's phenomenon, controls the convenience, avoids causing the pollution to the environment.
Two, this a autogenous pressure waste fitting discharging for gas-liquid separation can cancel the setting of sump oil jar and sump oil pump, need not to consider the liquid level of sump oil jar and the maintenance scheduling problem of sump oil pump completely in the course of the work, greatly reduced staff's intensity of labour has reduced the quantity of equipment moreover, reduces the management and control degree of difficulty of equipment.
Thirdly, this a self-pressure waste fitting discharging for gas-liquid separation heats first infusion pipeline 2 through heat tracing pipeline 3, avoids the hydrops to take place to freeze in first infusion pipeline 2 to avoided getting rid of the hydrops in-process at every turn and need work such as unloading, sweeping wire, further reduced staff's work load, improved work efficiency greatly.
Fourthly, this be arranged in the autogenous pressure waste fitting discharging for gas-liquid separation be provided with air condenser 4 on first infusion pipeline 2, air condenser 4 can carry out the condensation liquefaction with the steam in the first infusion pipeline 2 to can be to the same drainage to the oil well sleeve pipe of hydrops in the first infusion pipeline 2 in, guarantee the unobstructed of first infusion pipeline 2.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (12)
1. An autogenous pressure sewer device for gas-liquid separation, characterized in that the autogenous pressure sewer device for gas-liquid separation comprises at least one gas-liquid separator (1), a first liquid conveying pipe (2) for discharging accumulated liquid in the gas-liquid separator (1), and an heat-tracing pipe (3) for heating the first liquid conveying pipe (2), wherein:
the accumulated liquid output port of the gas-liquid separator (1) is connected with one end of the first liquid conveying pipeline (2), the other end of the first liquid conveying pipeline (2) is connected with the inside of an oil well casing, and the heat tracing pipeline (3) is fixed with the first liquid conveying pipeline (2) in parallel along the extension direction of the first liquid conveying pipeline (2) so that the outer wall of the heat tracing pipeline (3) is attached to the outer wall of the first liquid conveying pipeline (2);
the height of the gas-liquid separator (1) in the horizontal direction is greater than the height of the oil well casing in the horizontal direction.
2. The autogenous pressure blowdown device for gas-liquid separation of claim 1, wherein the autogenous pressure blowdown device for gas-liquid separation further comprises at least one air condenser (4), a condensate output port of the air condenser (4) is connected to the first liquid conveying pipe (2).
3. The autogenous pressure blowdown device for gas-liquid separation according to claim 2, wherein a second liquid feeding pipe (5) is provided between the air condenser (4) and the first liquid feeding pipe (2), one end of the second liquid feeding pipe (5) is connected to a condensate outlet of the air condenser (4), and the other end of the second liquid feeding pipe (5) is connected to the first liquid feeding pipe (2).
4. The autogenous pressure sewer device for gas-liquid separation according to claim 3, characterized in that the second infusion pipe (5) is provided with an air cooler sewer valve (501).
5. The autogenous pressure blowdown device for gas-liquid separation according to claim 1, wherein a separator blowdown valve (201) is provided on the first liquid conveying pipe (2), the separator blowdown valve (201) being located near the effusion outlet of the gas-liquid separator (1).
6. The autogenous pressure blowdown device for gas-liquid separation as claimed in claim 1, characterized in that a casing valve (6) is disposed between the first infusion pipe (2) and the well casing, a christmas tree communicating with the inside of the well casing is disposed above the well casing, and the casing valve (6) is disposed on the christmas tree.
7. The autogenous pressure blowdown device for gas-liquid separation as claimed in claim 6, wherein the inside of the oil well casing is connected to one end of a gas recovery pipe (8), and the other end of the gas recovery pipe (8) is connected to the gas input port of the gas-liquid separator (1).
8. The autogenous pressure blowdown device for gas-liquid separation of claim 7, wherein a gas recovery valve (7) is disposed between the gas recovery pipe (8) and the well casing, the gas recovery valve (7) being disposed on the Christmas tree.
9. The autogenous pressure blowdown device for gas-liquid separation according to claim 7, wherein a gas-collecting control valve (801) is provided on the gas-collecting pipe (8).
10. The autogenous pressure sewer device for gas-liquid separation of claim 6, characterized in that the first feeding pipe (2) is provided with a sewer main valve (202), the sewer main valve (202) is located near the sleeve valve (6).
11. The self-pressure sewage draining apparatus for gas-liquid separation according to claim 1 wherein the heat tracing inlet and outlet of the heat tracing pipe (3) are connected to a hot water feeding pipe, respectively, and an inlet valve (301) and an outlet valve (302) are provided at the heat tracing inlet of the heat tracing pipe (3) and the heat tracing outlet of the heat tracing pipe (3), respectively.
12. The autogenous pressure sewer device for gas-liquid separation according to claim 1, characterized in that the first feeding pipe (2) is a steel pipe with an outer diameter of 50mm, and the heat-tracing pipe (3) is a steel pipe with an outer diameter of 25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527032.8U CN212671749U (en) | 2020-04-10 | 2020-04-10 | Self-pressure sewage discharging device for gas-liquid separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527032.8U CN212671749U (en) | 2020-04-10 | 2020-04-10 | Self-pressure sewage discharging device for gas-liquid separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671749U true CN212671749U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527032.8U Active CN212671749U (en) | 2020-04-10 | 2020-04-10 | Self-pressure sewage discharging device for gas-liquid separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671749U (en) |
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2020
- 2020-04-10 CN CN202020527032.8U patent/CN212671749U/en active Active
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