CN212881293U - Anti-blocking filter device for natural gas hydrate produced liquid - Google Patents
Anti-blocking filter device for natural gas hydrate produced liquid Download PDFInfo
- Publication number
- CN212881293U CN212881293U CN202021565969.0U CN202021565969U CN212881293U CN 212881293 U CN212881293 U CN 212881293U CN 202021565969 U CN202021565969 U CN 202021565969U CN 212881293 U CN212881293 U CN 212881293U
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- Prior art keywords
- natural gas
- gas hydrate
- drainage pipeline
- liquid
- heating
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- 239000007788 liquid Substances 0.000 title claims abstract description 75
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000005065 mining Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 17
- 239000004576 sand Substances 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- -1 natural gas hydrates Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
A natural gas hydrate produced liquid anti-blocking filter device relates to the field of natural gas hydrate, comprising a liquid discharge pipeline, a spare liquid discharge pipeline, a valve, a heating filter device, a temperature sensor and a booster pump, wherein the spare liquid discharge pipeline is connected on the liquid discharge pipeline in parallel, the liquid discharge pipeline is provided with the valve, the heating filter device, the temperature sensor and the booster pump, the spare liquid discharge pipeline is provided with the valve and the heating filter device, and the liquid discharge pipeline is connected with a mining well head, need not the shut down operation, the utility model discloses the device has improved exploitation natural gas hydrate's safety, efficiency.
Description
Technical Field
The utility model relates to a natural gas hydrate field specifically is a can filter, add the device that decomposes the function to natural gas hydrate production liquid.
Background
Natural Gas Hydrate (NGH) is a non-stoichiometric clathrate compound formed by natural gas and water at a certain low temperature and high pressure, and is also called as "combustible ice". 1m3The natural gas hydrate may contain 164m3Methane gas and 0.8m3The water of (2). The 'combustible ice' is a byproduct of natural gas, has approximately the same application range as the natural gas, and is a typical petroleum substitute. The combustible ice is extremely easy to burn, and under the same condition, the energy generated by burning the combustible ice is dozens of times higher than that of coal, petroleum and natural gas, so that the combustible ice is known as 'belonging to last super energy'.
The reserves of combustible ice in China are quite rich, and according to research and research, natural gas hydrate in China is mainly distributed in the south China sea area, the east China sea area, the Qinghai-Tibet plateau permafrost zone and the northeast China permafrost zone.
At present the exploitation mode to natural gas hydrate is pit shaft formula exploitation, can be accompanied the discharge of stratum water when exploiting the natural gas, in actual production, because natural gas hydrate decomposes can cause sneak into natural gas hydrate and sand body in incomplete, pit shaft high pressure low temperature, human factor etc. in the stratum water of discharge, if not filter, will cause serious jam to meeting ground pipeline, based on above-mentioned problem, consequently the utility model discloses the device provides a stifled filter equipment is prevented to natural gas hydrate extraction liquid.
Disclosure of Invention
An object of the utility model is to provide a natural gas hydrate production liquid prevents stifled filter equipment, the utility model discloses the device has parallelly connected function, production water and filters, residual hydrate heating decomposition function, has solved the natural gas hydrate exploitation in-process, has thoughtlessly had natural gas hydrate and the harm that the sand body caused ground pipeline in the discharge water, has guaranteed the safety of exploitation, the utility model discloses a specification can be adjusted according to actual demand, through drainage tube, reserve drainage tube's parallel connection, can guarantee to heat in the filter equipment cleaning process, need not the shut down operation, the utility model discloses the device has improved exploitation natural gas hydrate's safety, efficiency.
The embodiment of the utility model provides a natural gas hydrate production liquid prevents stifled filter equipment, including flowing back pipeline, reserve flowing back pipeline, valve, heating filter equipment, temperature sensor, booster pump, reserve flowing back pipeline parallel connection is on flowing back pipeline, valve, heating filter equipment, temperature sensor, booster pump have been arranged on the flowing back pipeline, valve, heating filter equipment have been arranged on the reserve flowing back pipeline, the flowing back pipeline is connected with the exploitation well head.
The heating and filtering device comprises a filtering device shell, a sealing top cover, a liquid discharge port and a support frame, wherein the sealing top cover is arranged at the top of the filtering device shell, the liquid discharge port and the support frame are arranged at the bottom of the filtering device shell, a connecting flange is arranged at the tail end of the liquid discharge port, a liquid inlet and a power supply interface are arranged at the top of the sealing top cover, the connecting flange is arranged at the tail end of the liquid inlet, a conical filter screen is arranged at the bottom of the sealing top cover, an electric heating pipe is arranged on the surface of the conical filter screen, and the.
The temperature sensor is used for monitoring the temperature of the produced liquid after heating and filtering in real time.
The exploitation wellhead is a natural gas exploitation tree.
The heating and filtering device is used for filtering the produced liquid, and filtering sand bodies and natural gas hydrates in the produced liquid to be stored in the conical filter screen.
The utility model discloses need the power when the device uses, the power is connected with power supply interface, and the power is conventional power supply or generator, and power supply interface is the power supply of electric heating pipe for with the heating decomposition of the natural gas hydrate that filters off in the circular cone filter screen.
The liquid drainage pipeline and the standby liquid drainage pipeline are made of stainless steel.
And an anti-corrosion coating is arranged inside the liquid discharge pipeline and the standby liquid discharge pipeline.
The liquid drainage pipeline and the standby liquid drainage pipeline can be switched by the switch of the valve when in use.
The booster pump is used for providing power for the utility model device for take out the inside produced liquid of heating filter equipment.
The utility model discloses be connected with the gas-liquid separation jar during device uses.
The specifications of the conical filter screen and the electric heating pipe can be adjusted according to actual production requirements.
The conical filter screen is made of stainless steel.
When the device is used, when the sand body in the conical filter screen is too much, the sealing top cover is opened to clean the conical filter screen.
The utility model discloses the specification of device can be adjusted according to actual demand.
The use method of the anti-blocking filtering device for the produced liquid of the natural gas hydrate comprises the following steps:
And 2, opening a liquid discharge pipeline, filtering and desanding the produced liquid through a heating and filtering device, and recording the operation temperature through a temperature sensor.
And 3, starting a booster pump to pump out the produced liquid in the heating and filtering device and discharging the produced liquid into a gas-liquid separation tank.
And 4, starting the electric heating pipe, and heating and decomposing the natural gas hydrate in the conical filter net.
And 5, starting the standby liquid drainage pipeline when the sand in the conical filter screen is excessive.
And 6, opening the sealing top cover to clean the conical filter screen.
And 7, switching the liquid discharge pipeline and the standby liquid discharge pipeline according to the actual filtering condition so as to ensure the operation without stopping.
The utility model discloses a stifled filter equipment is prevented to natural gas hydrate production liquid beneficial effect is: the utility model discloses the device has parallelly connected function, production water and filters, residual hydrate heating decomposition function, has solved the natural gas hydrate exploitation in-process, has thoughtlessly had natural gas hydrate and the sand body harm that causes the ground pipeline in the exhaust water, has guaranteed the safety of exploitation, the utility model discloses a specification can be adjusted according to actual demand, through drainage tube, reserve drainage tube's parallel connection, can guarantee to heat in the filter equipment cleaning process, need not to shut down the operation, the utility model discloses the device has improved exploitation natural gas hydrate's safety, efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the utility model.
Fig. 2 is a schematic structural view of a heating and filtering device.
Reference numerals: 1. the device comprises a drainage pipeline 2, a standby drainage pipeline 3, a valve 4, a heating and filtering device 5, a temperature sensor 6, a booster pump 7, a mining wellhead 8, a filtering device shell 9, a sealing top cover 10, a liquid inlet 11, a connecting flange 12, a power supply interface 13, a conical filter screen 14, an electric heating pipe 15, a drainage port 16 and a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the embodiment of the utility model provides a natural gas hydrate production liquid prevents stifled filter equipment, including drainage pipe 1, reserve drainage pipe 2, valve 3, heating filter equipment 4, temperature sensor 5, booster pump 6, reserve drainage pipe 2 parallel connection is on drainage pipe 1, valve 3, heating filter equipment 4, temperature sensor 5, booster pump 6 have been arranged on drainage pipe 1, valve 3, heating filter equipment 4 have been arranged on reserve drainage pipe 2, drainage pipe 1 is connected with exploitation well head 7.
The temperature sensor 5 is used for monitoring the temperature of the produced liquid after heating and filtering treatment in real time.
The exploitation wellhead 7 is a natural gas exploitation tree.
The heating and filtering device 4 is used for filtering the produced liquid, and filtering sand bodies and natural gas hydrates in the produced liquid to be stored in the conical filter screen 13.
The utility model discloses the device need connect the power when using, the power is connected with power supply interface 12, and the power is conventional power supply or generator, and power supply interface 12 is the power supply of electric heating pipe 14 for with circular cone filter screen 13 internal filtering off the natural gas hydrate heating decomposition of crossing.
The liquid discharge pipeline 1 and the standby liquid discharge pipeline 2 are made of stainless steel.
And an anti-corrosion coating is arranged inside the liquid discharge pipeline 1 and the standby liquid discharge pipeline 2.
The drainage pipeline 1 and the spare drainage pipeline 2 can be switched to use through the opening and closing of the valve 3 when in use.
The booster pump 6 is used for providing power for the utility model device, and is used for taking out the inside produced liquid of heating filter equipment 4.
The utility model discloses be connected with the gas-liquid separation jar during device uses.
The specifications of the conical filter screen 13 and the electric heating pipe 14 can be adjusted according to actual production requirements.
The conical filter screen 13 is made of stainless steel.
When the device is used, when the sand body in the conical filter screen 13 is too much, the sealing top cover 9 is opened to clean the conical filter screen 13.
The utility model discloses the specification of device can be adjusted according to actual demand.
The use method of the anti-blocking filtering device for the produced liquid of the natural gas hydrate comprises the following steps:
And 2, opening the liquid discharge pipeline 1, filtering and desanding the produced liquid through a heating and filtering device 4, and recording the operation temperature through a temperature sensor 5.
And 3, starting a booster pump 6 to pump out the produced liquid in the heating and filtering device 4 and discharging the produced liquid into a gas-liquid separation tank.
And 4, starting the electric heating pipe 14, and heating and decomposing the natural gas hydrate in the conical filter screen 13.
And 5, starting the standby liquid drainage pipeline 2 when the sand bodies in the conical filter screen 13 are excessive.
And 6, opening the sealing top cover 9 to clean the conical filter screen 13.
And 7, switching the liquid discharge pipeline 1 and the standby liquid discharge pipeline 2 according to the actual filtering condition to ensure the operation without stopping.
The heating and filtering device 4 is connected with the liquid drainage pipeline 1 through a connecting flange 11 arranged at the tail ends of a liquid inlet 10 and a liquid drainage port 15.
The heating and filtering device 4 is connected with the spare liquid drainage pipeline 2 through a connecting flange 11 arranged at the tail ends of a liquid inlet 10 and a liquid drainage port 15.
The utility model discloses but the device is in the use a plurality of heating filter equipment 4 series connection uses, and the circular cone filter screen 13 of different mesh numbers is arranged to the heating filter equipment 4 inside of establishing ties, carries out stage filtration to the sand body in the extraction liquid.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The natural gas hydrate produced liquid anti-blocking filtering device is characterized by comprising a liquid drainage pipeline (1), a standby liquid drainage pipeline (2), a valve (3), a heating filtering device (4), a temperature sensor (5) and a booster pump (6), wherein the standby liquid drainage pipeline (2) is connected with the liquid drainage pipeline (1) in parallel, the valve (3), the heating filtering device (4), the temperature sensor (5) and the booster pump (6) are arranged on the liquid drainage pipeline (1), the valve (3) and the heating filtering device (4) are arranged on the standby liquid drainage pipeline (2), and the liquid drainage pipeline (1) is connected with a production wellhead (7);
heating filter equipment (4) include filter equipment shell (8), seal top cap (9), leakage fluid dram (15), support frame (16), seal top cap (9) have been arranged at filter equipment shell (8) top, leakage fluid dram (15), support frame (16) have been arranged to filter equipment shell (8) bottom, flange (11) have been arranged to leakage fluid dram (15) end, inlet (10), power supply interface (12) have been arranged at seal top cap (9) top, flange (11) have been arranged to inlet (10) end, circular cone filter screen (13) have been arranged to seal top cap (9) bottom, electric heating pipe (14) have been arranged on circular cone filter screen (13) surface, electric heating pipe (14) are connected through supply cable with power supply interface (12).
2. The natural gas hydrate produced fluid anti-blocking filter device as claimed in claim 1, wherein the conical filter screen (13) is made of stainless steel.
3. The natural gas hydrate produced fluid anti-blocking filter device as claimed in claim 1, wherein the drainage pipeline (1) and the spare drainage pipeline (2) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021565969.0U CN212881293U (en) | 2020-08-01 | 2020-08-01 | Anti-blocking filter device for natural gas hydrate produced liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021565969.0U CN212881293U (en) | 2020-08-01 | 2020-08-01 | Anti-blocking filter device for natural gas hydrate produced liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212881293U true CN212881293U (en) | 2021-04-06 |
Family
ID=75231293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021565969.0U Expired - Fee Related CN212881293U (en) | 2020-08-01 | 2020-08-01 | Anti-blocking filter device for natural gas hydrate produced liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212881293U (en) |
-
2020
- 2020-08-01 CN CN202021565969.0U patent/CN212881293U/en not_active Expired - Fee Related
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| 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: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |