CN106968662A - A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint - Google Patents
A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint Download PDFInfo
- Publication number
- CN106968662A CN106968662A CN201710300424.3A CN201710300424A CN106968662A CN 106968662 A CN106968662 A CN 106968662A CN 201710300424 A CN201710300424 A CN 201710300424A CN 106968662 A CN106968662 A CN 106968662A
- Authority
- CN
- China
- Prior art keywords
- liquid
- dropping
- hint
- separation
- emptying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003345 natural gas Substances 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 13
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The present invention provides a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint, including air intlet, emptying liquid-separation pot, flow measurement device of dropping a hint, drop a hint outlet and outer defeated leakage fluid dram, described emptying liquid-separation pot upper end import and inlet communication of dropping a hint, in emptying liquid-separation pot upper end outlet and outlet of dropping a hint, the connecting pipeline that described flow measurement device of dropping a hint is arranged on emptying liquid-separation pot upper end outlet between outlet of dropping a hint；The emptying liquid-separation pot lower end is provided with discharge opeing gate valve, and described discharge opeing gate valve is connected with outer defeated leakage fluid dram by pipeline.The present invention realizes that the liquid compositions such as natural gas and wherein entrained condensate, aqueous water are effectively separated, and prevents or effectively reduces entrained drip of dropping a hint, it is to avoid releases flare to form the new skid-mounted unit of " fire rain ".
Description
Technical field
The present invention relates to a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint.
Background technology
Traditional emptying liquid-separation pot is to be carried out to dropping a hint after air-liquid separation, and gas goes to release flare, and liquid transports to sump oil
Tank is stored.So there is problems with：
1st, tolerance of dropping a hint can not be known；
The 2nd, spark arrester is set, and winter easy frozen block increases security risk；
3rd, slop tank storage, tank car roping condensate, exist and leak possible, for high sulfur Gas Fields, increase hydrogen sulfide leakage wind
Danger.
The content of the invention
In order to overcome existing apparatus can not know the easy frozen block of tolerance of dropping a hint, winter and the problem of easily leak, the present invention
A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint, specifically a kind of petroleum gas row are provided
Industry yard realizes that the liquid composition such as natural gas and wherein entrained condensate, aqueous water is carried out when being used in natural gas vent effective
Separation, prevents or effectively reduces entrained drip of dropping a hint, it is to avoid release flare to form the new skid-mounted unit of " fire rain ".
The concrete technical scheme of the present invention is as follows：
A kind of have the portable emptying liquid-separation skid-mounted unit of function of measuring of dropping a hint, including air intlet, emptying liquid-separation pot, puts
Air flow metering device, drop a hint outlet and outer defeated leakage fluid dram, described emptying liquid-separation pot upper end import and import of dropping a hint
Connection, emptying liquid-separation pot upper end outlet and outlet of dropping a hint, described flow measurement device of dropping a hint are arranged on emptying point
In connecting pipeline between flow container upper end outlet and outlet of dropping a hint；The emptying liquid-separation pot lower end is provided with discharge opeing gate valve, described
Discharge opeing gate valve connected with outer defeated leakage fluid dram by pipeline, set gradually on the pipeline from discharge opeing gate valve to outer defeated leakage fluid dram
There are the first filter, the first Remote control valve, the first liquid pump, first check-valve and the first gate valve；On the emptying liquid-separation pot
It is provided with liquid level metering device, the liquid level metering device is located on emptying liquid-separation pot cylinder, and by cable respectively with first
Remote control valve and the connection of the first liquid pump electric signal.
It is additionally provided between described discharge opeing gate valve and outer defeated leakage fluid dram on a pipeline, the pipeline from discharge opeing gate valve to outer
Also the second filter, the second Remote control valve, second liquid pump, second check-valve and second are disposed between defeated leakage fluid dram
The second Remote control valve and second liquid pump on gate valve, the pipeline are also connected with liquid level metering device electric signal respectively.
Described flow measurement device of dropping a hint is Annular Round Model PFB.
Provided with water seal cylinder at described emptying liquid-separation pot upper end outlet.
Described the first liquid pump and second liquid pump is centrifugal pump.
The emptying liquid-separation pot lower end is provided with tapping valve on the spot.
Described the first Remote control valve and the second Remote control valve is pneumatic discharge opeing ball valve.
Described liquid level metering device is explosion-proof electric heating liquid level gauge.
Beneficial effects of the present invention are：
This skid-mounted unit uses prefabrication, after the completion of being prefabricated in the factory, and is transported to yard, through flange and blow-down pipe and discharging tube
After line connection, you can come into operation.The present invention provides a kind of portable emptying liquid-separation sledge dress with function of measuring of dropping a hint and filled
Put, specifically a kind of oil and gas industry yard realized when being used in natural gas vent natural gas with it is wherein entrained solidifying
The liquid such as condensate oil, aqueous water composition is effectively separated, and is prevented or is effectively reduced entrained drip of dropping a hint, it is to avoid shape of releasing flare
Into the new skid-mounted unit of " fire rain ".
Brief description of the drawings
It is further detailed below with reference to accompanying drawing：
Fig. 1 is schematic structural view of the invention.
In figure, reference is：1st, drop a hint import；2nd, emptying liquid-separation pot；3rd, drop a hint flow measurement device；4th, it is vented
Gas is exported；5th, tapping valve on the spot；6th, discharge opeing gate valve；7th, the first gate valve；8th, first check-valve；9th, the first liquid pump；10th, first is remote
Process control valve；11st, the first filter；12nd, outer defeated leakage fluid dram；13rd, the first gate valve；14th, first check-valve；15th, the first liquid pump；
16th, the first Remote control valve；17th, the first filter；18th, liquid level metering device.
Embodiment
Embodiment 1：
In order to overcome existing apparatus can not know the easy frozen block of tolerance of dropping a hint, winter and the problem of easily leak, the present invention is provided
A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint, specifically a kind of oil and gas industry station
Realize that the liquid such as natural gas and wherein entrained condensate, aqueous water are constituted when being used in natural gas vent effectively to be divided
From preventing from or effectively reduce to drop a hint entrained drip, it is to avoid release flare to form the new skid-mounted unit of " fire rain ".
A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint, including air intlet 1, emptying liquid-separation
Tank 2, flow measurement device 3 of dropping a hint, outlet 4 and outer defeated leakage fluid dram 12 of dropping a hint, the described upper end import of emptying liquid-separation pot 2 with
Import 1 of dropping a hint is connected, and the upper end outlet of emptying liquid-separation pot 2 is connected with outlet 4 of dropping a hint, described flow measurement device of dropping a hint
In 3 connecting pipelines for being arranged on the upper end outlet of emptying liquid-separation pot 2 between outlet 4 of dropping a hint；The lower end of emptying liquid-separation pot 2 is set
There is discharge opeing gate valve 6, described discharge opeing gate valve 6 is connected with outer defeated leakage fluid dram 12 by pipeline, from discharge opeing gate valve 6 to outer on the pipeline
The first filter 11, the first Remote control valve 10, the first liquid pump 9, first check-valve 8 are disposed between defeated leakage fluid dram 12
With the first gate valve 7；Liquid level metering device 18 is provided with the emptying liquid-separation pot 2, the liquid level metering device 18 is located at emptying
Divide on the cylinder of flow container 2, and be connected respectively with the first Remote control valve 10 and the electric signal of the first liquid pump 9 by cable.
As shown in figure 1, yard emptying carrys out gas enters emptying liquid-separation pot 2 through air inlet 1, by the separation internals gas in chamber
Liquid is separated, and isolates the drop in gas, after the gas isolated is measured through flowmeter 3, and by dropping a hint, outlet 4 is discharged, and is connect
Blowdown system in inbound；The liquid isolated（Containing condensate, water etc.）Normal drainage operating mode is after discharge opeing gate valve 6 again through the first mistake
Filter 11, the first Remote control valve 10 enters the first liquid pump 9, goes out after the first liquid pump 9 through first check-valve 8 and outer defeated the
One gate valve 7, is discharged, drainage system in access station by outer defeated leakage fluid dram 12.Liquid level passes through cable and first in emptying liquid-separation pot 2
The long-range liquid pump 9 of tapping valve 10 and first carry out it is chain, when liquid measure reaches certain liquid level in emptying liquid-separation pot 2（Generally tank is straight
At footpath 2/5）When automatically turn on the first Remote control valve 10 and the first liquid pump 9 and carry out discharge opeing.When liquid measure is less than certain liquid level
（Generally at tank diameter 1/5）Close the first Remote control valve 10 and the first liquid pump 9 carries out stopping discharge opeing.
Embodiment 2：
On the basis of above-described embodiment 1, in the present embodiment, also set between described discharge opeing gate valve 6 and outer defeated leakage fluid dram 12
It is equipped with a pipeline, the pipeline from discharge opeing gate valve 6 to outer defeated leakage fluid dram 12 and is also disposed with the second filter respectively
17th, second on the second Remote control valve 16, second liquid pump 15, the gate valve 13 of second check-valve 14 and second, the pipeline is long-range
Control valve 16 and second liquid pump 15 are also connected with the electric signal of liquid level metering device 18 respectively.
Described flow measurement device 3 of dropping a hint is Annular Round Model PFB.
Provided with water seal cylinder at the described upper end outlet of emptying liquid-separation pot 2.
Water seal cylinder in the present invention is arranged on emptying liquid-separation pot outlet, prevents tempering.
The first described liquid pump 9 and second liquid pump 15 are centrifugal pump.
The lower end of emptying liquid-separation pot 2 is provided with tapping valve 5 on the spot.
Maintenance sewage in turnaround of unit operating mode, emptying liquid-separation pot is discharged through tapping valve 5 on the spot.
Described the first Remote control valve 10 and the second Remote control valve 16 is pneumatic discharge opeing ball valve.
Described liquid level metering device 18 is explosion-proof electric heating liquid level gauge.In the present invention, described liquid level metering device 18 is
With the data transfer and on the spot explosion-proof electric heating liquid level gauge of display function.
As shown in figure 1, yard emptying carrys out gas enters emptying liquid-separation pot 2 through air inlet 1, by the separation internals gas in chamber
Liquid is separated, and isolates the drop in gas, after the gas isolated is measured through Annular Round Model PFB 3, passes through 4 rows of outlet that drop a hint
Go out, blowdown system in access station；The liquid isolated（Containing condensate, water etc.）Normal drainage operating mode component after discharge opeing gate valve 6
Two-way（The using and the reserved, can start backup bypass when liquid measure is big）, through the first filter 11, the first Remote control valve 10 enters first
Liquid pump 9, goes out after the first liquid pump 9 through first check-valve 8 and outer the first defeated gate valve 7, is discharged, connect by outer defeated leakage fluid dram 12
Drainage system in inbound；Maintenance sewage in turnaround of unit operating mode, emptying liquid-separation pot is discharged through tapping valve 5 on the spot.
In emptying liquid-separation pot 2 liquid level carried out by cable and the first long-range liquid pump 9 of tapping valve 10 and first it is chain, when putting
Liquid measure reaches certain liquid level in space division flow container 2（Generally at tank diameter 2/5）When automatically turn on the first Remote control valve 10 and
One liquid pump 9 carries out discharge opeing, when liquid measure reaches greater value（Generally at tank diameter 3/5）When automatically turn on the first Remote control valve
10th, the first liquid pump 9 and the second Remote control valve 16, second liquid pump 15 carry out discharge opeing；When liquid measure is less than certain liquid level（One
As at tank diameter 1/5）Close the first Remote control valve 10, the Remote control valve 16 of second liquid pump 9 and second, second liquid pump
15 carry out stopping discharge opeing.
This skid-mounted unit uses prefabrication, after the completion of being prefabricated in the factory, and is transported to yard, through flange and blow-down pipe and row
After the connection of liquid pipe line, you can come into operation.The present invention is realized when a kind of oil and gas industry yard is used in natural gas vent
The liquid compositions such as natural gas and wherein entrained condensate, aqueous water are effectively separated, and prevent from or effectively reduce to drop a hint
Entrained drip, it is to avoid release flare to form the new skid-mounted unit of " fire rain ".
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (8)
1. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint, it is characterised in that：Including air intlet
（1）, emptying liquid-separation pot（2）, flow measurement device of dropping a hint（3）, outlet of dropping a hint（4）With outer defeated leakage fluid dram（12）, it is described
Emptying liquid-separation pot（2）Upper end import and import of dropping a hint（1）Connection, emptying liquid-separation pot（2）Upper end outlet and outlet of dropping a hint（4）
Connection, described flow measurement device of dropping a hint（3）It is arranged on emptying liquid-separation pot（2）Upper end outlet and outlet of dropping a hint（4）It
Between connecting pipeline on；The emptying liquid-separation pot（2）Lower end is provided with discharge opeing gate valve（6）, described discharge opeing gate valve（6）With outer defeated row
Liquid mouthful（12）Connected by pipeline, from discharge opeing gate valve on the pipeline（6）To outer defeated leakage fluid dram（12）Between be disposed with first
Filter（11）, the first Remote control valve（10）, the first liquid pump（9）, first check-valve（8）With the first gate valve（7）；It is described to put
Space division flow container（2）On be provided with liquid level metering device（13）, the liquid level metering device（13）Positioned at emptying liquid-separation pot（2）Cylinder
On, and by cable respectively with the first Remote control valve（10）With the first liquid pump（9）Electric signal is connected.
2. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：Described discharge opeing gate valve（6）With outer defeated leakage fluid dram（12）Between be additionally provided with a pipeline, the pipeline from discharge opeing lock
Valve（6）To outer defeated leakage fluid dram（12）Between be also disposed with the second filter respectively（17）, the second Remote control valve（16）,
Two liquid pumps（15）, second check-valve（14）With the second gate valve（13）, the second Remote control valve on the pipeline（16）With second
Liquid pump（15）Also respectively with liquid level metering device（13）Electric signal is connected.
3. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：Described flow measurement device of dropping a hint（3）For Annular Round Model PFB.
4. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：Described emptying liquid-separation pot（2）Provided with water seal cylinder at upper end outlet.
5. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1 and 1, its
It is characterised by：The first described liquid pump（9）With second liquid pump（15）It is centrifugal pump.
6. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：The emptying liquid-separation pot（2）Lower end is provided with tapping valve on the spot（5）.
7. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：The first described Remote control valve（10）With the second Remote control valve（16）It is pneumatic discharge opeing ball valve.
8. a kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint according to claim 1, it is special
Levy and be：Described liquid level metering device（13）For explosion-proof electric heating liquid level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300424.3A CN106968662A (en) | 2017-04-29 | 2017-04-29 | A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300424.3A CN106968662A (en) | 2017-04-29 | 2017-04-29 | A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968662A true CN106968662A (en) | 2017-07-21 |
Family
ID=59330246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710300424.3A Pending CN106968662A (en) | 2017-04-29 | 2017-04-29 | A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968662A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096353A (en) * | 2019-06-17 | 2020-12-18 | 中国石油天然气股份有限公司 | Emptying device and gas injection system |
| USD922126S1 (en) | 2019-06-06 | 2021-06-15 | Sharkninja Operating Llc | User interface for a food preparation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202746938U (en) * | 2012-07-19 | 2013-02-20 | 中国石油天然气股份有限公司 | Skid-mounted gas collecting, metering and pipe cleaning device |
| CN104676249A (en) * | 2015-02-06 | 2015-06-03 | 西安长庆科技工程有限责任公司 | Flashing liquid-separation integration device |
| CN104791610A (en) * | 2015-04-27 | 2015-07-22 | 西安长庆科技工程有限责任公司 | Skid-mounted type automatic draining device used for evacuation and liquid separation |
| CN104929610A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Natural gas production and separation skid-mounted unit based on large cluster well group |
| CN104930348A (en) * | 2015-07-02 | 2015-09-23 | 西安长庆科技工程有限责任公司 | High-low pressure switching and venting skid-mounted device based on large cluster well set |
| AR101972A1 (en) * | 2015-09-18 | 2017-01-25 | Manuel Varela Nestor | EXTRACTOR PROVISION OF HYDROCARBONS IN OIL WELLS |
| CN207093056U (en) * | 2017-04-29 | 2018-03-13 | 西安长庆科技工程有限责任公司 | A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint |
-
2017
- 2017-04-29 CN CN201710300424.3A patent/CN106968662A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202746938U (en) * | 2012-07-19 | 2013-02-20 | 中国石油天然气股份有限公司 | Skid-mounted gas collecting, metering and pipe cleaning device |
| CN104676249A (en) * | 2015-02-06 | 2015-06-03 | 西安长庆科技工程有限责任公司 | Flashing liquid-separation integration device |
| CN104791610A (en) * | 2015-04-27 | 2015-07-22 | 西安长庆科技工程有限责任公司 | Skid-mounted type automatic draining device used for evacuation and liquid separation |
| CN104929610A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Natural gas production and separation skid-mounted unit based on large cluster well group |
| CN104930348A (en) * | 2015-07-02 | 2015-09-23 | 西安长庆科技工程有限责任公司 | High-low pressure switching and venting skid-mounted device based on large cluster well set |
| AR101972A1 (en) * | 2015-09-18 | 2017-01-25 | Manuel Varela Nestor | EXTRACTOR PROVISION OF HYDROCARBONS IN OIL WELLS |
| CN207093056U (en) * | 2017-04-29 | 2018-03-13 | 西安长庆科技工程有限责任公司 | A kind of portable emptying liquid-separation skid-mounted unit with function of measuring of dropping a hint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD922126S1 (en) | 2019-06-06 | 2021-06-15 | Sharkninja Operating Llc | User interface for a food preparation device |
| CN112096353A (en) * | 2019-06-17 | 2020-12-18 | 中国石油天然气股份有限公司 | Emptying device and gas injection system |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170721 |
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| RJ01 | Rejection of invention patent application after publication |