CN113624563A - Online gas sampler for oil production well - Google Patents
Online gas sampler for oil production well Download PDFInfo
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- CN113624563A CN113624563A CN202010384694.9A CN202010384694A CN113624563A CN 113624563 A CN113624563 A CN 113624563A CN 202010384694 A CN202010384694 A CN 202010384694A CN 113624563 A CN113624563 A CN 113624563A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 230000000670 limiting effect Effects 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012945 sealing adhesive Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 50
- 239000003129 oil well Substances 0.000 abstract description 11
- 239000011550 stock solution Substances 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of oil extraction of oil wells, in particular to an online gas sampler for an oil production well, which comprises a sampling bottle and a liquid release pressure valve, wherein the lower end surface of the sampling bottle is fixedly connected with the liquid release pressure valve, the front side of the liquid release pressure valve is rotatably connected with a liquid release handle, the right end surface of the sampling bottle is fixedly provided with an oil production well stock solution sample injection valve, the front end surface of the oil production well stock solution sample injection valve is rotatably connected with a limiting device, the upper end surface of the sampling bottle is fixedly connected with a pressure gauge, and the left end surface of the pressure gauge is fixedly connected with a gas sampling valve; according to the invention, through the arranged liquid release pressure valve, the oil production well stock solution sampling valve and the gas sampling valve, the sampling valve and the gas sampling valve are opened, so that waste gas in the sampling bottle can be discharged firstly, then the liquid in the sampling bottle is discharged by opening the liquid release pressure valve, and then the liquid release pressure valve and the gas extraction valve are closed, so that the extracted gas is representative gas, and the accuracy of gas sample data is ensured.
Description
Technical Field
The invention relates to the technical field of oil extraction of oil wells, in particular to an online gas sampler for an oil well.
Background
The oil well is a hole drilled by a well distribution system planned for exploiting oil, the oil rises from the bottom of the well to a channel of a well head, the oil well is a hole drilled by a well drilling method, after the oil layer is drilled by a common oil well, an oil layer casing is put into the oil layer casing, oil well cement is injected into an annular space between the casing and the well wall to maintain the well wall and seal an oil layer, gas and a water layer, then the oil layer is jetted by a perforating gun according to the requirements of oil field exploitation to form a channel, the oil pipe is put into the channel, and the oil is lifted from the bottom of the oil well to the well head by a proper induced flow method.
In the oil well oil recovery development process, need to adopt oil well gas sample to detect, it knows stratum gas output situation to have reached, original sheathed tube gas can directly discharge in the middle of the atmosphere, can be at the sleeve pipe sample, the sample is easy relatively, environmental protection theory in recent years, the management is more and more strict, it directly discharges the atmosphere to forbid sleeve pipe gas, the sleeve pipe export is closed, so the gas that the sleeve pipe persists is mostly dead zone gas that the detention time is long, the sample that the sleeve pipe was obtained also all is the useless appearance that does not have reference value, oil pipe output is mostly the three-phase mixture of oil water gas, when only gathering the separation gas sample, owing to there is gaseous inconvenient simple gas of collecting of gaseous existence, therefore, put forward the online gas sampling ware of oil well to above-mentioned problem.
Disclosure of Invention
The invention aims to provide an oil production well on-line gas sampler to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
on-line gas sampler of oil recovery well, including sampling bottle and liquid release pressure valve, terminal surface fixedly connected with liquid release pressure valve under the sampling bottle, liquid release pressure valve front side rotation is connected with the liquid release handle, the sampling bottle right-hand member face is fixed with oil recovery well stoste inlet valve, terminal surface rotation is connected with stop device before the oil recovery well stoste inlet valve, sampling bottle up end fixedly connected with manometer, manometer left end face fixedly connected with gas sampling valve, the terminal surface rotation is connected with the sampling valve handle before the gas sampling valve, the equal fixedly connected with stop device in liquid release pressure valve outside, oil recovery well stoste inlet valve outside and the gas sampling valve outside.
Preferably, the lower end surface of the sampling bottle is provided with an arc surface, and the sampling bottle is composed of a stainless steel plate.
Preferably, the production well stoste sampling valve includes valve body and sampling valve handle, the valve body outside and stop device fixed connection, valve body left end face fixedly connected with evenly distributed's gag lever post, valve body outside left end rotates and is connected with the spacing ring, spacing ring outside fixedly connected with thread bush, the inboard screwed connection of thread bush has a thread section of thick bamboo, thread section of thick bamboo left end face and sampling bottle fixed connection, the thread section of thick bamboo outside is equipped with the sealed sticky tape of one deck.
Preferably, evenly distributed's recess is seted up to screw thread section of thick bamboo right-hand member face, and the gag lever post passes through recess and screw thread section of thick bamboo sliding connection, the gag lever post outside is equipped with the sealing ring, the sealing ring comprises the rubber slab.
Preferably, stop device includes spacing shell and spacing, is located the below spacing shell outside and liquid release pressure valve fixed connection are located the right side spacing shell outside and oil recovery well stoste sampling valve fixed connection are located the upside spacing shell outside and gas sampling valve fixed connection, spacing shell inboard all is equipped with spacing spring, spacing spring one end and spacing shell fixed connection, the spacing frame of the equal fixedly connected with of the spacing spring other end.
Preferably, the outer side of the limiting frame is connected with the limiting shell in a sliding mode, and the limiting frame is arranged in a C shape.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arranged liquid release pressure valve, the oil production well stock solution sampling valve and the gas sampling valve, waste gas in the sampling bottle can be discharged firstly by opening the sampling valve and the gas sampling valve, then liquid in the sampling bottle is discharged by opening the liquid release pressure valve, and then the liquid release pressure valve and the gas extraction valve are closed, so that the extracted gas is representative gas, and the accuracy of gas sample data is ensured;
2. according to the invention, through the valve body, the sampling valve handle, the limiting ring, the limiting rod, the sealing ring, the threaded sleeve and the threaded barrel, the sampling valve for the crude liquid of the oil production well can be conveniently mounted or dismounted by rotating the threaded sleeve, so that the maintenance and replacement of the sampling valve are convenient, and the stainless steel sampling bottle is corrosion-resistant, high-temperature-resistant, easy to clean, small in size and convenient to use;
3. according to the invention, through the arrangement of the limiting shell, the limiting frame and the limiting spring, the arrangement ensures that the handle on each valve is descended and jacked up by the limiting frame under the action of the limiting spring when the handle is not used, so that the support effect on the handle is realized, the gas leakage caused by the private rotation of the handle is avoided, and the arranged pressure gauge can measure the tightness of the sampling bottle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the crude liquid injection valve of the present invention;
FIG. 3 is a schematic view of a seal ring structure according to the present invention;
FIG. 4 is a schematic view of the structure of the position limiting device of the present invention;
FIG. 5 is a cross-sectional view of a spacing housing of the present invention;
FIG. 6 is a schematic view of the structure of the stop frame of the present invention.
In the figure: 1-sampling bottle, 2-liquid release pressure valve, 3-liquid release handle, 4-oil production well stock solution sample injection valve, 401-valve body, 402-sample injection valve handle, 403-spacing ring, 404-spacing rod, 405-sealing ring, 406-thread sleeve, 407-thread cylinder, 5-spacing device, 501-spacing shell, 502-spacing frame, 503-spacing spring, 6-gas sampling valve, 7-sampling valve handle and 8-pressure gauge.
Detailed Description
Example 1:
referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution:
the online gas sampler for the oil production well comprises a sampling bottle 1 and a liquid release pressure valve 2, wherein the lower end surface of the sampling bottle 1 is arranged in a cambered surface manner, the arrangement can ensure that liquid in the sampling bottle 1 can be discharged through the liquid release pressure valve 2, the sampling bottle 1 is made of a stainless steel plate, the arrangement is corrosion-resistant and can ensure that the device can be normally used, the lower end surface of the sampling bottle 1 is fixedly connected with the liquid release pressure valve 2, the front side of the liquid release pressure valve 2 is rotatably connected with a liquid release handle 3, the right end surface of the sampling bottle 1 is fixedly provided with an oil production well crude liquid injection valve 4, the oil production well crude liquid injection valve 4 comprises a valve body 401 and an injection valve handle 402, the outer side of the valve body 401 is fixedly connected with a limiting device 5, the left end surface of the valve body 401 is fixedly connected with uniformly distributed limiting rods 404, the 4 limiting rods 404 are slidably connected with a threaded cylinder 407, the installation is convenient and the contact surface of the valve body 401 is aligned with the threaded cylinder 407, the left end of the outer side of the valve body 401 is rotatably connected with a limiting ring 403, the outer side of the limiting ring 403 is fixedly connected with a threaded sleeve 406, the inner side of the threaded sleeve 406 is spirally connected with a threaded cylinder 407, the left end surface of the threaded cylinder 407 is fixedly connected with a sampling bottle 1, the outer side of the threaded cylinder 407 is provided with a layer of sealing adhesive tape, the arrangement of the sealing adhesive tape ensures that the threaded sleeve 406 and the threaded cylinder 407 are directly sealed to avoid gas leakage, the right end surface of the threaded cylinder 407 is provided with uniformly distributed grooves, a limiting rod 404 is slidably connected with the threaded cylinder 407 through the grooves, the outer side of the limiting rod 404 is provided with a sealing ring 405, the sealing ring 405 is composed of a rubber plate, the arrangement ensures that the right side of the threaded cylinder 407 is tightly contacted with the valve body 401 through the sealing ring 405, the sealing effect is ensured, the front end surface of a raw oil production well liquid sample valve 4 is rotatably connected with a limiting device 5, the upper end surface of the sampling bottle 1 is fixedly connected with a pressure gauge 8, and the left end surface of the pressure gauge 8 is fixedly connected with a gas sampling valve 6, the front end face of the gas sampling valve 6 is rotatably connected with a sampling valve handle 7, the outer side of the liquid release pressure valve 2, the outer side of the oil production well stock solution sampling valve 4 and the outer side of the gas sampling valve 6 are fixedly connected with a limiting device 5, the limiting device 5 comprises a limiting shell 501 and a limiting frame 502, the outer side of the limiting shell 501 positioned below is fixedly connected with the liquid release pressure valve 2, the outer side of the limiting shell 501 positioned on the right side is fixedly connected with the oil production well stock solution sampling valve 4, the outer side of the limiting shell 501 positioned on the upper side is fixedly connected with the gas sampling valve 6, the inner side of the limiting shell 501 is provided with a limiting spring 503, the limiting spring 503 ensures that the limiting frame 502 is pushed towards the front side constantly and can clamp each handle, one end of the limiting spring 503 is fixedly connected with the limiting shell 501, the other end of the limiting spring 503 is fixedly connected with the limiting frame 502, the outer side of the limiting frame 502 is slidably connected with the limiting shell 501, and the limiting frame 502 is arranged in a C shape, the handle of each valve can be just in time blocked in the arrangement, the handle is prevented from rotating, a good limiting effect is achieved, the handle can not be rotated privately under the influence of the external environment when the sampler is not used, and the normal use of the sampler is guaranteed.
The working process is as follows: the sampler is connected with a wellhead sampling valve, at the moment, a gas sample sampling valve 6 is closed by an oversampling valve handle 7, a sampling valve of the oil production well is opened, a raw liquid sample injection valve 4 of the oil production well is opened, a sample enters a sampling bottle 1 through the sampling valve of the oil production well and the raw liquid sample injection valve 4 of the oil production well, then a liquid release pressure valve 2 is opened by a liquid release wrench 3, after flowing, gas is sprayed out to immediately close the liquid release pressure valve 2, the raw liquid sample injection valve 4 of the oil production well is closed, at the moment, the pressure of a pressure gauge 8 is the same as the pressure of the oil production well, the gas sampling valve 7 is opened by the sampling valve handle 7 to release gas, the gas sampling valve 7 is closed after the pressure is zero, other gases in the sampling bottle 1 are emptied, the raw liquid sample injection valve 4 of the oil production well is opened again, the liquid release pressure valve 2 is opened, at the moment, most of liquid flows out, until the gas is sprayed out to close the raw liquid release pressure valve 2 and the raw liquid sample injection valve 4 of the oil production well, at the moment, the pressure gauge 8 displays the pressure of the oil pipe of the oil production well again, the sampling valve 4 of the raw liquid injection valve of the oil production well is closed to sample from a sampling valve port, if the gas sample is not enough, the process is repeated again, the sampling valve of the oil production well is closed after the sampling bottle 1 is taken out, the connection between the sampler and the oil production well is disassembled, the long-time disassembly and installation of the raw liquid injection valve 4 of the oil production well can not avoid damage, when maintenance or replacement is needed, the threaded sleeve 406 is rotated to separate the raw liquid injection valve from the threaded cylinder 407, the threaded sleeve 406 drives the limit ring 403 to move rightwards at the moment, the valve body 401 is pushed to move rightwards, the valve body 401 drives the limit rod 404 to move rightwards to separate the threaded cylinder 407, the arranged sealing ring 405 can ensure that the valve body 401 is in close contact with the threaded cylinder 407 to avoid gas leakage, the arranged limit rod 404 has a guiding function to ensure that the valve body 401 is stably connected with the threaded cylinder 407, the valve is convenient to replace by the aid of the limiting spring 503, the limiting frame 502 can be guaranteed to be jacked forwards, so that handles of the valves can be clamped, the valves are prevented from moving privately, the positions of the valves are guaranteed to be stable, and the situation that the valves are not completely closed to cause leakage is avoided.
Example 2:
in embodiment 2, the same parts as those in embodiment 1 will not be described again, except that when the handles need to be rotated, the corresponding limiting frames 502 need to be pushed backwards, and then the handles can be rotated.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (6)
1. Oil recovery well on-line gas sampler, including sampling bottle (1) and liquid release pressure valve (2), its characterized in that: sample bottle (1) lower terminal surface fixedly connected with liquid release pressure valve (2), liquid release pressure valve (2) front side rotation is connected with liquid release handle (3), sample bottle (1) right-hand member face is fixed with oil recovery well stoste inlet valve (4), terminal surface rotation is connected with stop device (5) before oil recovery well stoste inlet valve (4), sample bottle (1) upper end fixedly connected with manometer (8), manometer (8) left end face fixedly connected with gas sampling valve (6), terminal surface rotation is connected with sample valve handle (7) before gas sampling valve (6), the equal fixedly connected with stop device (5) in liquid release pressure valve (2) outside, oil recovery well stoste inlet valve (4) outside and gas sampling valve (6) outside.
2. The oil recovery well on-line gas sampler of claim 1, wherein: the lower end surface of the sampling bottle (1) is provided with an arc surface, and the sampling bottle (1) is composed of a stainless steel plate.
3. The oil recovery well on-line gas sampler of claim 1, wherein: oil recovery well stoste sampling valve (4) include valve body (401) and sampling valve handle (402), valve body (401) outside and stop device (5) fixed connection, valve body (401) left end face fixedly connected with evenly distributed's gag lever post (404), valve body (401) outside left end rotates and is connected with spacing ring (403), spacing ring (403) outside fixedly connected with thread bush (406), the inboard spiral connection of thread bush (406) has a threaded cylinder (407), threaded cylinder (407) left end face and sampling bottle (1) fixed connection, the threaded cylinder (407) outside is equipped with one deck sealing adhesive tape.
4. The oil recovery well on-line gas sampler of claim 3, wherein: the utility model discloses a thread cylinder, including threaded cylinder (407), gag lever post (404), gag lever post (407), sealing ring (405) are equipped with the recess of evenly distributed, and gag lever post (404) passes through recess and threaded cylinder (407) sliding connection, gag lever post (404) outside is equipped with sealing ring (405), sealing ring (405) comprise the rubber slab.
5. The oil recovery well on-line gas sampler of claim 1, wherein: stop device (5) are including spacing shell (501) and spacing frame (502), are located the below spacing shell (501) outside and liquid release pressure valve (2) fixed connection are located the right side spacing shell (501) outside and oil recovery well stoste injection valve (4) fixed connection are located the upside spacing shell (501) outside and gas sampling valve (6) fixed connection, spacing shell (501) inboard all is equipped with spacing spring (503), spacing spring (503) one end and spacing shell (501) fixed connection, spacing spring (503) other end equal fixedly connected with spacing frame (502).
6. The oil recovery well on-line gas sampler of claim 5, wherein: the outer side of the limiting frame (502) is connected with the limiting shell (501) in a sliding mode, and the limiting frame (502) is arranged in a C shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384694.9A CN113624563A (en) | 2020-05-09 | 2020-05-09 | Online gas sampler for oil production well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384694.9A CN113624563A (en) | 2020-05-09 | 2020-05-09 | Online gas sampler for oil production well |
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| Publication Number | Publication Date |
|---|---|
| CN113624563A true CN113624563A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010384694.9A Pending CN113624563A (en) | 2020-05-09 | 2020-05-09 | Online gas sampler for oil production well |
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| CN (1) | CN113624563A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204437345U (en) * | 2015-01-16 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | For electric water heater blowdown valve and there is its electric water heater |
| CN104948162A (en) * | 2014-03-24 | 2015-09-30 | 天津大港油田圣达科技有限公司 | Logging instrument variable-diameter connection joint facilitating dismounting |
| CN206129629U (en) * | 2016-11-07 | 2017-04-26 | 常州市武进亚太机电配件有限公司 | Pure electric vehicles uses miniature electronic pump |
| CN206234388U (en) * | 2016-08-31 | 2017-06-09 | 玉环普立森阀业有限公司 | A kind of ball valve made of plastic |
| CN208750107U (en) * | 2018-10-05 | 2019-04-16 | 台州名瑞流体控制有限公司 | A kind of remote controlled motor-driven valve |
| CN109946118A (en) * | 2019-03-22 | 2019-06-28 | 夸克能源工程实验室(深圳)有限公司 | A kind of Portable oil-gas water-sampling device |
| CN109973729A (en) * | 2019-04-11 | 2019-07-05 | 钜溢钢管实业有限公司 | A kind of compressed natural gas steam line |
| CN209523747U (en) * | 2019-01-08 | 2019-10-22 | 四川聚蓉慧明鑫科技有限公司 | A kind of high-pressure oil-gas well well head sampling apparatus |
-
2020
- 2020-05-09 CN CN202010384694.9A patent/CN113624563A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948162A (en) * | 2014-03-24 | 2015-09-30 | 天津大港油田圣达科技有限公司 | Logging instrument variable-diameter connection joint facilitating dismounting |
| CN204437345U (en) * | 2015-01-16 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | For electric water heater blowdown valve and there is its electric water heater |
| CN206234388U (en) * | 2016-08-31 | 2017-06-09 | 玉环普立森阀业有限公司 | A kind of ball valve made of plastic |
| CN206129629U (en) * | 2016-11-07 | 2017-04-26 | 常州市武进亚太机电配件有限公司 | Pure electric vehicles uses miniature electronic pump |
| CN208750107U (en) * | 2018-10-05 | 2019-04-16 | 台州名瑞流体控制有限公司 | A kind of remote controlled motor-driven valve |
| CN209523747U (en) * | 2019-01-08 | 2019-10-22 | 四川聚蓉慧明鑫科技有限公司 | A kind of high-pressure oil-gas well well head sampling apparatus |
| CN109946118A (en) * | 2019-03-22 | 2019-06-28 | 夸克能源工程实验室(深圳)有限公司 | A kind of Portable oil-gas water-sampling device |
| CN109973729A (en) * | 2019-04-11 | 2019-07-05 | 钜溢钢管实业有限公司 | A kind of compressed natural gas steam line |
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