CN106841329A - A kind of crude oil water content on-line monitoring system - Google Patents
A kind of crude oil water content on-line monitoring system Download PDFInfo
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- CN106841329A CN106841329A CN201710043980.7A CN201710043980A CN106841329A CN 106841329 A CN106841329 A CN 106841329A CN 201710043980 A CN201710043980 A CN 201710043980A CN 106841329 A CN106841329 A CN 106841329A
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- 239000010779 crude oil Substances 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 239000003921 oil Substances 0.000 claims abstract description 58
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 description 19
- 238000004458 analytical method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2823—Raw oil, drilling fluid or polyphasic mixtures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2847—Water in oils
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A kind of crude oil water content on-line monitoring system, including:It is respectively arranged at low section of untreated oil line, stage casing, the first liquid outlet channel of section high, the second liquid outlet channel, the 3rd liquid outlet channel；Signal piping, probe measurement crude oil water content is analyzed by the moisture content being located therein；Multi-channel direction selecting valve, its entrance is communicated with the first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel respectively, and its outlet is communicated by delivery pump with signal piping；The axial distance of first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel in untreated oil line is set, make the crude oil of the different height for being located at the same cross-section segments of untreated oil line, signal piping is reached by the first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel successively and is detected.
Description
Technical field
The present invention relates to the technical field of crude oil detection, more particularly, to a kind of crude oil water content on-line monitoring system and
Monitoring method.
Background technology
Crude oil water content is one important parameter of petroleum chemical industry, detection crude oil water content be oil extraction, dehydration,
Process, collect the processes such as defeated metering, accumulating sale and petroleum refining by question of common concern.It is general all from the crude oil of oilfield exploitation
Containing moisture higher, require to carry out crude oil the detection of moisture content after exploitation, better refined.And in transportation such as
Fruit moisture content is too high, will result in energy waste.Also required that during oil company sells carries out moisture content survey to oil
Amount.So the interests of both parties have important when the accurate quality and clear and definite oil for determination oil of measurement of water ratio is concluded the business
Meaning.
Want the real moisture content for reflecting crude oil, it is necessary that the accuracy of crude oil water containing detection, this is also to stone
Work in every in oil exploitation, transport, refining, sales process has certain indicative function.At present, domestic and international petroleum industry is former
The crude oil water content measuring method of the links such as production, accumulating, the processing of oil mainly has manual sampling and the major class of on-line measurement two.
Traditional manual sampling method is to take a number of oil sample by operating personnel, de- using the way of distillation, centrifugal process, electricity
The methods such as method, separate the water in crude oil, determine the moisture content of oil sample.Technology with China's oil industry develops, former
Oily moisture content line Measurement Technique has obtained increasingly being widely applied in oil field, and many units successively have developed various forms
On-line checking instrument.After on-line checking instrument comes into operation, labour intensity is greatly reduced, improve certainty of measurement and measurement
Speed, makes oil field automation level step a new step.Conventional online test method has at present：Densimeter method, penetrate
Collimation method, shortwave method, microwave method and capacitance method etc..
In the transportation of petroleum pipeline, the raising of moisture content can cause very big waste to crude oil to the collection of crude oil is defeated,
For example in long-distance transportation, 1% moisture is often conveyed, it is necessary to substantial amounts of energy is consumed, while the crude oil of high-moisture percentage can
Corrosion can be caused to transfer pipeline, also has the danger being frozen in the winter time.Therefore, the moisture content on-line checking of pipeline road has
Highly important application value and meaning.
The moisture content probe of pipeline road on-line checking, is generally arranged in pipeline road, but it has installation, maintenance
Inconvenience, surface area wax cannot in time clear up the defects such as influence detection performance.Therefore, propose in the prior art and set in pipeline road
Oil diverting port is put, crude oil is exported to the technical scheme of signal piping measurement, solve the problems, such as installation and maintenance of popping one's head in, such as
These inventions of CN201532391U, CN102830219A, CN203535042U are shown.But, due to crude oil and water proportion not
Unanimously, the moisture content of different height is different in untreated oil line, only measures its moisture content by derived crude oil, with crude oil pipe
There is error between actual moisture content in road.
Formerly invention 2016112661358 proposes a kind of crude oil water content on-line monitoring system, by by untreated oil line
The crude oil of middle different height exports to signal piping and detects by liquid outlet channel, so as to be determined according to the crude oil water content for detecting
The actual moisture content of pipeline Crude Oil.But, the method needs to obtain the crude oil of same section different height simultaneously, it is therefore desirable to many
Individual buffer container and pumping take and store the crude oil of different height, then pass sequentially through signal piping and are detected.
The content of the invention
The invention provides a kind of crude oil water content on-line monitoring system, can not need buffer container in the case of,
Also can determine the crude oil water content of the same section different height of untreated oil line.
As one aspect of the present invention, there is provided a kind of crude oil water content on-line monitoring system, including:It is arranged at crude oil
First liquid outlet channel of low section of pipeline, is arranged at second liquid outlet channel in untreated oil line stage casing and is arranged at high section of untreated oil line
The 3rd liquid outlet channel；Signal piping, the crude oil that its moisture content analysis probe measurement for passing through to be disposed therein passes through its pipeline
Moisture content；Back flow channel, for the crude oil in monitoring system to be derived to untreated oil line；Also include multi-channel direction selecting valve, it enters
Mouth is communicated with the first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel respectively, and its outlet is by delivery pump and detection
Pipeline is communicated；First liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel are set in the axial distance of untreated oil line, are made
Positioned at the crude oil of the different height of the same cross-section segments of untreated oil line, by the first liquid outlet channel, the second liquid outlet channel and
Three liquid outlet channels reach signal piping and are detected successively.
Preferably, also including controller, the controller controls the opening and closing of each passage of multi-channel direction selecting valve, and
The controller goes out liquid and leads to according to the crude oil flow velocity of the untreated oil line, the first liquid outlet channel, the second liquid outlet channel and the 3rd
Road determines defeated in the length of the axial distance of untreated oil line, the first sense channel, the second sense channel and the 3rd sense channel
The parameter of pump is sent so as to adjust the crude oil flow velocity of the first sense channel, the second sense channel and the 3rd sense channel.
Preferably, first sense channel includes the first liquid outlet channel, multi-channel direction selecting valve pipeline and signal piping；
Second sense channel includes the second liquid outlet channel, multi-channel direction selecting valve pipeline and signal piping；3rd detection is logical
Road includes the 3rd liquid outlet channel, multi-channel direction selecting valve pipeline and signal piping.
Preferably, first sense channel, the second sense channel and the 3rd sense channel Central Plains oil flow rate are higher than institute
State untreated oil line Central Plains oil flow rate.
Preferably, the moisture content analysis probe is radio frequency bearing analysis probe, pressure difference bearing analysis probe or electric capacity
Bearing analysis are popped one's head in.
Preferably, also including temperature sensor, it is arranged at signal piping, the real time temperature for detecting crude oil.
Preferably, also including pressure transducer, it is arranged at signal piping, the real-time pressure for detecting crude oil.
Preferably, also including memory, its storage temperature pressure corrected parameter, the controller is according to the temperature pressure
Moisture content measured by corrected parameter amendment.
Optionally, the actual moisture content of the crude oil is the average value of the moisture content for detecting successively.
Brief description of the drawings
Fig. 1 is the system structure diagram of the embodiment of the present invention.
Fig. 2 is the overhaul flow chart of the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.And, should
Work as understanding, the feature not mutual exclusion of various embodiments described here, and can be combined and transformation mistake various
Exist in journey.
Referring to Fig. 1, the crude oil water content on-line monitoring system for untreated oil line 100 of the embodiment of the present invention, including：The
One liquid outlet channel 10, the second liquid outlet channel 20, the 3rd liquid outlet channel 30, signal piping 40, controller 50, back flow channel 60 is more
Passage selection valve 70 and delivery pump 80.
First liquid outlet channel 10 is arranged at low section of untreated oil line 100, and the low section is set to less than untreated oil line diameter 1/4
Highly；For example at 1/6 height of untreated oil line 100, the second liquid outlet channel 20 is arranged at the stage casing of untreated oil line 100, section in this
The height of untreated oil line diameter 1/4 to 3/4 is set to, such as at 1/2 height of untreated oil line 100, the 3rd liquid outlet channel 30 is set
In the section high of untreated oil line 100, the section high is set to the height higher than untreated oil line diameter 3/4, such as the 5/6 of untreated oil line 100
Highly locate.
Multi-channel direction selecting valve 70 at least has three entrances and one outlet.First liquid outlet channel 10, second go out liquid and lead to
Road 20, the 3rd liquid outlet channel 30 are communicated from the different entrances of multi-channel direction selecting valve 70 respectively.The outlet of multi-channel direction selecting valve 70 is led to
Delivery pump 80 is crossed to be communicated with signal piping 40.
Moisture content analysis probe 41 is set in signal piping 40, it is possible to use radio frequency bearing analysis probe, pressure difference bearing analysis
The crude oil water content that probe or the probe detection of electric capacity bearing analysis pass through signal piping 40.41 energy of probe are analyzed by moisture content
The moisture content of the crude oil that enough measurements pass through signal piping 40.
The axially spaced-apart point of first liquid outlet channel 10, the second liquid outlet channel 20 and the 3rd liquid outlet channel 30 in untreated oil line
Specific distance is not spaced, makes the crude oil of the different height for being located at the same cross-section segments of untreated oil line, by the first liquid outlet channel
10th, the second liquid outlet channel 20 and the 3rd liquid outlet channel 30 reach signal piping 40 and are detected successively.The specific range can be with
It is sufficiently long range, such as 2m, 2.5m, 3m etc., the interval between adjacent liquid outlet channel can be with difference.
Controller 50, for each entrance of multi-channel direction selecting valve 70 and the opening and closing of outlet.Meanwhile, controller 50 always according to
The crude oil flow velocity of untreated oil line, the first liquid outlet channel 10, the second liquid outlet channel 20 and the 3rd liquid outlet channel 30 are in untreated oil line
Axial distance, the first sense channel, the length of the second sense channel and the 3rd sense channel, adjust the parameter of delivery pump from
And adjust the crude oil flow velocity of the first sense channel, the second sense channel and the 3rd sense channel.Wherein, the first sense channel bag
Include the first liquid outlet channel 10, multi-channel direction selecting valve pipeline and signal piping 40；Second sense channel includes the second liquid outlet channel
20th, multi-channel direction selecting valve pipeline and signal piping 40；3rd sense channel includes the 3rd liquid outlet channel 30, multi-channel direction selecting valve
Pipeline and signal piping 40.For example, the crude oil flow velocity of untreated oil line be 2m/s, first go out liquid 10, the second liquid outlet channel 20 with
And the 3rd liquid outlet channel 30 be respectively 2m in the axial distance of untreated oil line, the first sense channel length is 2m, and the second detection is logical
Road length is 2.5m, and the 3rd sense channel length is 3m, and controller 50 adjusts the parameter of delivery pump, makes the crude oil of extraction first
The speed of sense channel is more than 2m/s, is more than 2.5m/s in the speed of the second sense channel, so that low section of same section
Crude oil detects after finishing that stage casing crude oil can be obtained by the second liquid outlet channel 20, in by the crude oil of the first liquid outlet channel 10
Section crude oil detects after finishing that section crude oil high can be obtained by the 3rd liquid outlet channel 30 by the second liquid outlet channel 20.
In detection, controller 50 determines the speed of the first sense channel, and the parameter of regulation regulation delivery pump opens first
Liquid outlet channel 10 and the entrance of multi-channel direction selecting valve 70, make low section of crude oil pass through the first liquid outlet channel 10 and multi-channel direction selecting valve
70 reach signal piping 40, determine low section of crude oil water content ρ1；Then, controller determines the speed of the second sense channel, regulation
The parameter of delivery pump is adjusted, the entrance of the second liquid outlet channel 20 and multi-channel direction selecting valve 70 is opened, stage casing crude oil is passed through second
Liquid outlet channel 10 and multi-channel direction selecting valve 70 reach signal piping 40, determine stage casing crude oil water content ρ2；Then, controller is opened
The entrance of the 3rd liquid outlet channel 30 and multi-channel direction selecting valve 70 is opened, stage casing crude oil is passed through the 3rd liquid outlet channel 30 and multichannel
Selection valve 70 reaches signal piping 40, it is determined that section crude oil water content ρ high3.In detection crude oil water content ρ1, ρ2, ρ3, while passing through
Temperature sensor and pressure transducer in signal piping 40 detect its temperature and pressure respectively（P1, T1）,（P2, T2）,（P3,
T3）.By memory storage temperature pressure corrected parameter, corrected parameter can be table or curve data, control to controller 50
Device 50 determines the moisture content ρ of each liquid outlet channel position measurement by corrected parameter amendmentl, ρm, ρh。
Moisture content ρ of the controller 50 according to each liquid outlet channell, ρm, ρh, determine the actual moisture content ρ of crude oil, can be by ρ values
It is defined as the moisture content ρ of each liquid outlet channell, ρm, ρhAverage value, its with only pass through crude oil water containing derived from single liquid outlet channel
Rate is compared, and can more accurately react the actual moisture content of untreated oil line 100.Preferably, because untreated oil line is round tube
Road, the corresponding area of different height is different, for the actual moisture content of more accurate reaction untreated oil line 100, can be by crude oil reality
Border moisture content according to area ratio, by following formula calculate ρ=（Slρl+ Shρh+Smρm）/S；Wherein S is untreated oil line sectional area S
=π r2, SlIt is the corresponding area of the first liquid outlet channel, ShFor
The corresponding area of 3rd liquid outlet channel；SmFor second go out liquid lead to
The corresponding area S in roadm=S-Sl- Sh；Wherein r is untreated oil line radius, and h is the first liquid outlet channel position height, hhIt is the 3rd
Liquid outlet channel position height.Warning device can be set, and it is alarmed when the actual moisture content of crude oil exceedes threshold value.
It should be noted that in the present invention, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.For the ordinary skill people of the art
For member, some improvements and modifications without departing from the principles of the present invention should be regarded as falling into protection scope of the present invention.
Claims (2)
1. a kind of crude oil water content on-line monitoring system, including:The first liquid outlet channel of low section of untreated oil line is arranged at, is set
In untreated oil line stage casing the second liquid outlet channel and be arranged at the 3rd liquid outlet channel of high section of untreated oil line；Signal piping, its
Crude oil water content of the probe measurement by its pipeline is analyzed by the moisture content being disposed therein；Back flow channel, for that will monitor
Crude oil in system is derived to untreated oil line；It is characterized in that：Also include multi-channel direction selecting valve, its entrance goes out liquid with first respectively
Passage, the second liquid outlet channel and the 3rd liquid outlet channel are communicated, and its outlet is communicated by delivery pump with signal piping；Set first
Liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel make same positioned at untreated oil line in the axial distance of untreated oil line
The crude oil of the different height of cross-section segments, is arrived successively by the first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel
Detected up to signal piping.
2. crude oil water content on-line monitoring system according to claim 1, it is characterised in that：Also include controller, it is described
Controller controls the opening and closing of each passage of multi-channel direction selecting valve, and the controller is according to the crude oil of the untreated oil line
Flow velocity, the first liquid outlet channel, the second liquid outlet channel and the 3rd liquid outlet channel are logical in the axial distance of untreated oil line, the first detection
The length in road, the second sense channel and the 3rd sense channel, adjusts the parameter of delivery pump so that it is determined that the first sense channel, the
The crude oil flow velocity of two sense channels and the 3rd sense channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043980.7A CN106841329A (en) | 2017-01-21 | 2017-01-21 | A kind of crude oil water content on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043980.7A CN106841329A (en) | 2017-01-21 | 2017-01-21 | A kind of crude oil water content on-line monitoring system |
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| CN106841329A true CN106841329A (en) | 2017-06-13 |
Family
ID=59119493
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175246A (en) * | 2020-01-20 | 2020-05-19 | 通标标准技术服务有限公司 | Detection device for analyzing crude oil quality by adopting near infrared spectrum |
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|---|---|---|---|---|
| US4656869A (en) * | 1985-06-24 | 1987-04-14 | Zacharias Ellis M | Method of measuring the amount of water flowing in a crude oil pipeline |
| US5205310A (en) * | 1991-09-12 | 1993-04-27 | Atlantic Richfield Company | System and method for flow control for high watercut oil production |
| US20040253735A1 (en) * | 2003-06-13 | 2004-12-16 | Octal Systems Incorporated | Method for measuring liquid hydrocarbons using refractive index |
| CN1598530A (en) * | 2004-09-07 | 2005-03-23 | 王良明 | Separater and measuring method for measuring water content of oil well |
| CN201222012Y (en) * | 2008-07-21 | 2009-04-15 | 谢永东 | Automatic sampling warehouse apparatus for oil tank |
| CN101852637A (en) * | 2010-05-04 | 2010-10-06 | 张殿华 | Method for accurately metering oil input of oil field united station |
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| CN202994786U (en) * | 2012-12-18 | 2013-06-12 | 新疆金牛能源科技有限责任公司 | Remote crude oil index detection system |
| CN203188994U (en) * | 2012-09-15 | 2013-09-11 | 中国石油集团长城钻探工程有限公司工程服务公司 | Integrated type crude oil on-line automatic metering device |
| CN203858129U (en) * | 2014-05-16 | 2014-10-01 | 李伟 | Online crude oil sampler |
| CN104820000A (en) * | 2015-04-22 | 2015-08-05 | 杭州飞科电气有限公司 | Online measuring equipment for water content in crude oil |
| CN105823868A (en) * | 2015-12-23 | 2016-08-03 | 艾山江·买买提依明 | Sampling type on-line detector for water content of crude oil |
-
2017
- 2017-01-21 CN CN201710043980.7A patent/CN106841329A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656869A (en) * | 1985-06-24 | 1987-04-14 | Zacharias Ellis M | Method of measuring the amount of water flowing in a crude oil pipeline |
| US5205310A (en) * | 1991-09-12 | 1993-04-27 | Atlantic Richfield Company | System and method for flow control for high watercut oil production |
| US20040253735A1 (en) * | 2003-06-13 | 2004-12-16 | Octal Systems Incorporated | Method for measuring liquid hydrocarbons using refractive index |
| CN1598530A (en) * | 2004-09-07 | 2005-03-23 | 王良明 | Separater and measuring method for measuring water content of oil well |
| CN201222012Y (en) * | 2008-07-21 | 2009-04-15 | 谢永东 | Automatic sampling warehouse apparatus for oil tank |
| CN101852637A (en) * | 2010-05-04 | 2010-10-06 | 张殿华 | Method for accurately metering oil input of oil field united station |
| CN102183384A (en) * | 2011-03-16 | 2011-09-14 | 李长震 | Online monitoring autosampler of moisture content of crude oil |
| CN203188994U (en) * | 2012-09-15 | 2013-09-11 | 中国石油集团长城钻探工程有限公司工程服务公司 | Integrated type crude oil on-line automatic metering device |
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| CN203858129U (en) * | 2014-05-16 | 2014-10-01 | 李伟 | Online crude oil sampler |
| CN104820000A (en) * | 2015-04-22 | 2015-08-05 | 杭州飞科电气有限公司 | Online measuring equipment for water content in crude oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175246A (en) * | 2020-01-20 | 2020-05-19 | 通标标准技术服务有限公司 | Detection device for analyzing crude oil quality by adopting near infrared spectrum |
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Application publication date: 20170613 |