CN107816636A - One kind is used for oil-well measurement station supercharging device and boosting method - Google Patents
One kind is used for oil-well measurement station supercharging device and boosting method Download PDFInfo
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- CN107816636A CN107816636A CN201710477727.2A CN201710477727A CN107816636A CN 107816636 A CN107816636 A CN 107816636A CN 201710477727 A CN201710477727 A CN 201710477727A CN 107816636 A CN107816636 A CN 107816636A
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- separator
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- pipeline
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- 239000003129 oil well Substances 0.000 title claims abstract description 45
- 238000005259 measurement Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000008859 change Effects 0.000 claims abstract description 23
- 230000008676 import Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 34
- 239000007789 gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003923 mental ability Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses one kind to be used for oil-well measurement station supercharging device, including separator, separator one end are connected with more well feed liquor pipelines, are provided with the oil-gas-water separator for more well feed liquor pipeline feed liquors in the separator；The separator other end is connected with individual well feed liquor pipeline, and separator interior is provided with the oil-gas-water separator for individual well feed liquor pipeline feed liquor；The profit outlet of the lower end of separator is connected with the import of electric change valve by pipeline；Electric change valve is provided with two outlets, the one outlet of electric change valve is connected to the entrance of the first booster pump by pipeline and first filter, the outlet of first booster pump is connected to profit outlet line, another outlet of electric change valve is connected to the entrance of the second booster pump by the second filter and pipeline, and the outlet of the second booster pump is connected to profit outlet line by pipeline.The present invention is using integrated skid-mounted type structure, and site operation is quick and easy for installation, and package unit uses intelligent control, digitized degree height.
Description
Technical field
The invention belongs to petroleum technology field, is related to oil-gas-water metering supercharging, and especially a kind of oil-well measurement station that is used for increases
Pressure device and boosting method.
Background technology
The measurement technology of stripper well has been studied for many years, but is not tackled the problem at its root all the time.As old filed enters
High water-cut stage, the difficulty of oil well measurement are increasing.The development produced in addition and the needs of management, to petroleum metering skill
The requirement of art is also improving.Therefore, conscientiously solve oil field shaft mouth measurement problem, improve current well head measuring accuracy and management water
It is flat, it has also become an important topic urgently to be resolved hurrily in the production of oil field.Attempt to be transformed from the structure of separator, so as to enter
One step modified technique flow, reach the requirement for improving the oil well measurement degree of accuracy.Referring concurrently to the advanced technology of external oil well measurement,
By transforming traditional measurement flow, to reach the purpose for improving petroleum metering technology.
The characteristics of high water-cut stage oil well measurement：
1 water ratio in oil well is high, and fluctuates larger.
When measuring high water-content crude oil using two-phase flow measurement separator, although flowmeter can be normal with online analyzer of water content
Ground works in measurement range, but the pure oil yield of the oil well measured still error is larger, is not inconsistent standardization requirement.Assuming that meter
There is no error, High water cut in-line analyzer (the general high moisture content analysing meter of only 2.0 class precisions during the flow meters work for measuring total liquid measure
Reasonable accuracy be not higher than 2.0 grades) or artificial chemical examination caused by pure oil measurement error be just 2.2%~100%, refer to table
1。
The moisture content of table 1 and the pure accuracy error table of comparisons
This is the influence to pure oil measurement precision when measurement of water ratio error is ± 2%.
2nd, oil, gas and water three phase separator
As known from Table 1, it is accurate the pure fuel gauging of oil well to want in high water-cut stage, it is necessary to the free water in mixed liquor
Separate so that the crude oil water content for entering gauging instrument drops to (such as 30%) to a certain degree, and amounting to accuracy of measurement could protect
Card.Using three phase separator, oil, gas and water are separated by certain requirement, could relatively accurately measure oil, the gas and water production of oil well
Amount.It was verified that only distinguishing, standard can be just measured.Therefore, crucial skill of the three phase separator into high water-cut stage oil well measurement
Art.
3rd, external oil well measurement situation：Oil well measurement main feature has the following aspects：
(1) U.S. is in oil field shaft mouth metering, and low Water-cut Period uses two-phase laminated flow, and high water cut rate uses three phase separation,
Timing continuous metering.When oilfield construction designs, three phase separator is designed, in low Water-cut Period, three phase separator makes when two-phase
With high water cut rate, beginning to use three phase separation function.The characteristics of U.S. oilfield measures is small station flow.Measuring station sets meter
Separator and the covering device of production separator two are measured, production separator is used for measuring oil, the gas and water total output of whole measuring station, oil
Select well to use multiple-way valve in well metering more.
(2) supported the use mostly with instrument using three phase separator metering, be such as equipped with flowmeter and online analyzer of water content
Continuous metering can be achieved.
(3) collection of the data such as measuring station secondary instrument primary mental ability, digitlization, flow, moisture content, processing, computing, defeated
Go out and all use microcomputer, can show at any time, timed print, output absolute oil, water purification, tolerance, the data such as moisture content.
(4) system, general every mouthful of oil well measurement 8h or 24h, metering cycle 7d, 12d, 30d are measured.
Separator under operation liquid portion not always there is one above be oil, here be water clearly
Oil-water interfaces, and the often top of liquid portion is the very low net pay zone of moisture content, separator bottom is clear water layer, therebetween
It is a moisture content gradual transition layer.A large amount of field experiments for many years make us obtain following valuable experience：1. interface is controlled
System is the key technology of separator success or failure；2. in the past with various instrument come directly control the trial of oil-water interfaces to be can not
Take, it is directionality error to be made an effort on instrument control accuracy is improved.Success or failure of the process conditions to instrument play a decisive role.
Meanwhile oil well production crude oil due to well group it is remote apart from booster station and measuring station, petroleum pipeline line length, oil well paraffinication is compared
Serious to wait a variety of causes, each recover the oil is constantly in high back pressure (2.5- 5MPa) production status for a long time, has had a strong impact on oil well
Normal production, back pressure can reach 6-7MPa during cold weather in the winter time, and oil well in this case, can hardly normally give birth to
Production.The outer defeated flow of well group is usually two-tube flow, i.e., one time metering pipeline, and a mixed transporting tube line is necessary during oil transportation in the winter time
Ensure that pipeline is uninterrupted oil transportation twice, as long as there is a pipeline to stop oil transportation up to one hour, will result in pipeline and block, waste
Efficient resource, improves production cost, adds labor strength.
The content of the invention
The shortcomings that it is an object of the invention to overcome above-mentioned prior art, there is provided one kind is used for oil-well measurement station supercharging device
And boosting method, include XC-JHY-93 series of products.
The purpose of the present invention is achieved through the following technical solutions：
It is this to be used for oil-well measurement station supercharging device, including separator, described separator one end be connected with more well feed tubes
Line, the oil-gas-water separator for more well feed liquor pipeline feed liquors is provided with the separator；The separator other end
Be connected with individual well feed liquor pipeline, the separator interior be provided with oil and gas and water for the individual well feed liquor pipeline feed liquor from
Equipment；The profit outlet of the lower end of the separator is connected with the import of electric change valve by pipeline；The electric change valve
Two outlets are provided with, the one outlet of the electric change valve is connected to the first booster pump by pipeline and first filter
Entrance, the outlet of first booster pump are connected to profit outlet line, and another outlet of the electric change valve passes through the
Tow filtrator and pipeline are connected to the entrance of the second booster pump, and the outlet of second booster pump is connected to profit by pipeline and gone out
Mouth pipeline；More well feed liquor pipelines are additionally provided with the bypass line for being connected to profit outlet line all the way；In the separator
Rear end be provided with error in dipping automatic Verification flow instrument.
Further with above-mentioned separator is horizontal tank structure.
Further, front portion is provided with tank interior being divided into front and rear two-part oil expeller in the tank body of above separator,
Tank body forward part is provided with fluid level transmitter, tube head is upward after more well feed liquor pipelines are stretched into tank body and is set in pipe end
It is equipped with umbrella；Separating plate, the lower section connection perforated pipe of the separating plate are provided with below the pipe end of more well feed liquor pipelines.
Further, the above is provided with pressure gauge and safety valve in the tank body front portion of separator.
Further, the above is provided with individual well oil-gas-water metering device and oil gas water interface inspection at the tank body rear portion of separator
Survey instrument；The individual well oil-gas-water metering device is connected with accessing the individual well feed liquor pipeline of tank body.
Further, the above is provided with chemicals dosing plant at the tank body rear portion of separator.Gas is additionally provided with the rear portion of separator
Flowmeter body.
Present invention additionally comprises have RTU, PLC and data detecting and controlling system.
The present invention also proposes a kind of above-mentioned boosting method for oil-well measurement station supercharging device, comprises the following steps：
Step 1：Individual well production fluid by individual well feed liquor pipeline to individual well oil-gas-water metering device carry out oil and gas and water from, divide
Separate out the gas come and enter three-phase separating device after gas flow meter by top outlet line, liquid is by bottom drain pipe
Line is discharged into three-phase separating device after entering error automatic Verification flow instrument；
Step 2：More wells carry out liquid and enter three-phase separating device progress oil and gas and water from gas goes out through gas through more well feed liquor pipelines
Mouthful pipeline interior boiler that arrives at a station uses, and liquid enters electric change valve through profit outlet line, arrived through the first booster pump pressure-increasing unit
In flow circuit；
Step 3：Chemicals dosing plant inside three-phase separating device continuously is controllably given according to oil well come the oil-gas ratio in liquid
Oil plus demulsifier, improve water-oil separating speed；
Step 4：Data Detection has temperature, pressure, oil-water interface tool, liquid level on Data Detection control system finishing device
The Data Detection processing of transmitter, flow transmitter, which obtains oil well, to be had, gas and water yield；
Step 5：PLC and frequency converter control system according to Data Detection control system data to the pump of package unit, change
Intelligent control is carried out to motor-driven valve, chemicals dosing plant,
Step 6：RTU systems require to carry out real-time Transmission to the data of package unit according to digital network upper end；
Step 7：When device breaks down and needs maintenance, individual well and more well oil wells come liquid entered by by-pass line it is defeated
Liquid pipe net.
The invention has the advantages that：
The present invention, which is used for oil-well measurement station supercharging device, can not only measure individual well oil gas ＆ water yielding, and it is (more also to measure well group
Well) yield and there is error in dipping automatic check device measuring accuracy high；Meanwhile Oil Well Back Pressure can be reduced, transfusion ability is improved,
Improve oil well output.The device is using integrated skid-mounted type structure, and site operation is quick and easy for installation, and package unit is controlled using intelligence
System, digitized degree are high.
Brief description of the drawings
Fig. 1 is the process structure schematic diagram of the present invention.
Wherein：1st, more well feed liquor pipelines；2nd, valve；3 filters；4th, pressure gauge；5th, safety valve；6th, gas flow meter；7、
Oil gas water interface detector；8th, chemicals dosing plant；9th, individual well feed liquor pipeline；10th, individual well oil-gas-water metering device；11st, error is automatic
Checking flow instrument；12-1, first filter；12-2, the second filter；13rd, the first booster pump；14th, flow instrument；15th, profit goes out
Mouth pipeline；16th, electric change valve；17th, the second booster pump；18th, bypass line；19th, blowdown pipeline；20th, by-passing valve；21st, oil removing
Device；22nd, fluid level transmitter；23rd, Kong Guan；24th, separating plate；25th, umbrella；26th, spiral guide vane.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1：The present invention is used for oil-well measurement station supercharging device, including separator, described separator one end are connected with
More well feed liquor pipelines 1, the oil-gas-water separator for more feed liquors of well feed liquor pipeline 1 is provided with the separator；It is described
The separator other end is connected with individual well feed liquor pipeline 9, is provided with the separator interior for the individual well feed liquor pipeline 9
The oil-gas-water separator of feed liquor；The profit of the lower end of the separator exports is connected with entering for electric change valve 16 by pipeline
Mouthful；The electric change valve 16 is provided with two outlets, and the one outlet of the electric change valve 16 passes through pipeline and the first mistake
Filter 12-1 is connected to the entrance of the first booster pump 13, and the outlet of first booster pump 13 is connected to profit outlet line 15,
Another outlet of the electric change valve 16 is connected to the entrance of the second booster pump 17 by the second filter 12-2 and pipeline,
The outlet of second booster pump 17 is connected to profit outlet line 15 by pipeline；More well feed liquor pipelines 1 are additionally provided with
The bypass line 18 of profit outlet line 15 is connected to all the way；The rear end of the separator is provided with error in dipping automatic Verification
Flow instrument 11.
In highly preferred embodiment of the present invention, the separator is horizontal tank structure.Front portion is set in the tank body of separator
It is equipped with and tank interior is divided into front and rear two-part oil expeller 21, tank body forward part is provided with fluid level transmitter 22, it is described more
Tube head is upward after well feed liquor pipeline 1 is stretched into tank body and pipe end is provided with umbrella 25；Under the pipe end of more well feed liquor pipelines 1
Side is provided with separating plate 24, the lower section connection perforated pipe 23 of the separating plate 24.The tank body front portion of separator is provided with pressure
Table 4 and safety valve 5.The tank body rear portion of separator is provided with individual well oil-gas-water metering device 10 and oil gas water interface detector
7；The individual well oil-gas-water metering device 10 is connected with accessing the individual well feed liquor pipeline 9 of tank body.Set at the tank body rear portion of separator
It is equipped with chemicals dosing plant 8.Gas flowmeter 6 is additionally provided with the rear portion of separator.
Present invention additionally comprises have RTU, PLC and data detecting and controlling system.
Its workflow of the present invention is implemented in accordance with the following steps:
Step 1：Individual well production fluid by individual well feed liquor pipeline to individual well oil-gas-water metering device carry out oil and gas and water from, divide
Separate out the gas come and enter three-phase separating device after gas flow meter by top outlet line, liquid is by bottom drain pipe
Line is discharged into three-phase separating device after entering error automatic Verification flow instrument；
Step 2：Well group (more wells) carrys out liquid and enters three-phase separating device progress oil and gas and water from gas through more well feed liquor pipelines
Used through arrive at a station interior boiler of gas outlet line, liquid enters electric change valve through profit outlet line；Commutate (the using and the reserved)
Booster pump pressure-increasing unit is into flow circuit.
Step 3：Into electric change valve liquid after commutation (the using and the reserved), pass through booster pump pressure-increasing unit to oil transportation
In pipe network.
Step 4：There is chemicals dosing plant inside three-phase separating device, can continuously controllably come the oil-gas ratio in liquid according to oil well
To coming oil plus demulsifier, water-oil separating speed is improved.
Step 5：Data Detection has temperature, pressure, oil-water interface tool, liquid level on Data Detection control system finishing device
The Data Detection processing of transmitter, flow transmitter, which obtains oil well, to be had, gas and water yield；
Step 6：PLC and frequency converter control system according to Data Detection control system data to the pump of package unit, change
Intelligent control is carried out to motor-driven valve, chemicals dosing plant,
Step 7：RTU systems require to carry out real-time Transmission to the data of package unit according to digital network upper end；
Step 8：When device breaks down and needs maintenance, individual well and more well oil wells carry out liquid and can entered by by-pass line
Enter pipe network of infusing.
Claims (9)
1. one kind is used for oil-well measurement station supercharging device, it is characterised in that including separator, described separator one end is connected with more
Well feed liquor pipeline (1), the oil-gas-water separator for more well feed liquor pipeline (1) feed liquors is provided with the separator；Institute
State the separator other end and be connected with individual well feed liquor pipeline (9), be provided with the separator interior for the individual well feed tube
The oil-gas-water separator of line (9) feed liquor；The profit of the lower end of the separator exports is connected with electric change valve by pipeline
(16) import；The electric change valve (16) is provided with two outlets, and the one outlet of the electric change valve (16) passes through
Pipeline and first filter (12-1) are connected to the entrance of the first booster pump (13), the outlet connection of first booster pump (13)
To profit outlet line (15), another outlet of the electric change valve (16) is connected by the second filter (12-2) and pipeline
The entrance of the second booster pump (17) is connected to, the outlet of second booster pump (17) is connected to profit outlet line by pipeline
(15)；More well feed liquor pipelines (1) are additionally provided with the bypass line (18) for being connected to profit outlet line (15) all the way；Institute
The rear end for stating separator is provided with error in dipping automatic Verification flow instrument (11).
2. according to claim 1 be used for oil-well measurement station supercharging device, it is characterised in that the separator is horizontal tank
Body structure.
3. according to claim 2 be used for oil-well measurement station supercharging device, it is characterised in that anterior in the tank body of separator
It is provided with and tank interior is divided into front and rear two-part oil expeller (21), tank body forward part is provided with fluid level transmitter (22),
Tube head is upward after more well feed liquor pipelines (1) are stretched into tank body and pipe end is provided with umbrella (25)；In more well feed liquor pipelines
(1) separating plate (24), the lower section connection perforated pipe (23) of the separating plate (24) are provided with below pipe end.
4. according to claim 3 be used for oil-well measurement station supercharging device, it is characterised in that anterior in the tank body of separator
It is provided with pressure gauge (4) and safety valve (5).
5. according to claim 3 be used for oil-well measurement station supercharging device, it is characterised in that at the tank body rear portion of separator
It is provided with individual well oil-gas-water metering device (10) and oil gas water interface detector (7)；The individual well oil-gas-water metering device
(10) it is connected with accessing the individual well feed liquor pipeline (9) of tank body.
6. according to claim 3 be used for oil-well measurement station supercharging device, it is characterised in that at the tank body rear portion of separator
It is provided with chemicals dosing plant (8).
7. according to claim 3 be used for oil-well measurement station supercharging device, it is characterised in that is also set at the rear portion of separator
It is equipped with gas flowmeter (6).
8. according to claim 3 be used for oil-well measurement station supercharging device, it is characterised in that also include RTU, PLC and
Data Detection control system.
9. being used for the boosting method of oil-well measurement station supercharging device described in a kind of claim 1-8 any one, it is characterised by, wraps
Include following steps：
Step 1：Individual well production fluid carries out oil and gas and water by individual well feed liquor pipeline (9) to individual well oil-gas-water metering device (10)
From the gas separated enters three-phase separating device by top outlet line after gas flow meter, and liquid is by bottom
Drain pipe line is discharged into three-phase separating device after entering error automatic Verification flow instrument (11)；
Step 2：More wells carry out liquid and enter separator progress oil and gas and water from gas is through gas outlet line through more well feed liquor pipelines (1)
The interior boiler that arrives at a station uses, and liquid enters electric change valve (16) through profit outlet line, is pressurized through the first booster pump (12-1) defeated
It is sent in flow circuit；
Step 3：Chemicals dosing plant (8) inside three-phase separating device continuously controllably gives coming oil according to oil well come the oil-gas ratio in liquid
Add demulsifier, improve water-oil separating speed；
Step 4：Data Detection has temperature on Data Detection control system finishing device, pressure, oil-water interface tool, level transmitting
The Data Detection processing of device, flow transmitter, which obtains oil well, to be had, gas and water yield；
Step 5：Pump, commutation electricity of the data of PLC and frequency converter control system foundation Data Detection control system to package unit
Dynamic valve, chemicals dosing plant carry out intelligent control,
Step 6：RTU systems require to carry out real-time Transmission to the data of package unit according to digital network upper end；
Step 7：When device breaks down and needs maintenance, individual well and more well oil wells carry out liquid and enter woven hose by by-pass line
Net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477727.2A CN107816636B (en) | 2017-06-21 | 2017-06-21 | Supercharging device and supercharging method for oil well metering station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477727.2A CN107816636B (en) | 2017-06-21 | 2017-06-21 | Supercharging device and supercharging method for oil well metering station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107816636A true CN107816636A (en) | 2018-03-20 |
| CN107816636B CN107816636B (en) | 2024-01-30 |
Family
ID=61600844
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|---|---|---|---|
| CN201710477727.2A Active CN107816636B (en) | 2017-06-21 | 2017-06-21 | Supercharging device and supercharging method for oil well metering station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541698A (en) * | 2019-08-02 | 2019-12-06 | 西安长庆科技工程有限责任公司 | Combined oil-water separation oil-gas mixed transportation produced water on-site reinjection device and method |
| CN111206918A (en) * | 2020-03-25 | 2020-05-29 | 新疆金牛能源物联网科技股份有限公司 | Oil well metering equipment |
| CN112415142A (en) * | 2020-11-16 | 2021-02-26 | 青岛新胜石油机械有限公司 | Oil well output liquid multi-parameter mobile measuring device |
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| CN107816636B (en) | 2024-01-30 |
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