CN106989792A - The measuring method of liquid chemical product and gas volume in ship-to-shore feed-line - Google Patents
The measuring method of liquid chemical product and gas volume in ship-to-shore feed-line Download PDFInfo
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- CN106989792A CN106989792A CN201710353574.0A CN201710353574A CN106989792A CN 106989792 A CN106989792 A CN 106989792A CN 201710353574 A CN201710353574 A CN 201710353574A CN 106989792 A CN106989792 A CN 106989792A
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- ship
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
- G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
Abstract
The present invention relates to liquid chemical product volume and the measuring method of gas volume in a kind of ship-to-shore feed-line.It is filled with using the liquid chemical product in the storage tank in ship-to-shore feed-line, the atmospheric pressure front and rear by measuring the compression of ship-to-shore feed-line, equation solution, which is built, using Boyle's law goes out liquid chemical product and gas volume in ship-to-shore feed-line, measuring method efficiency high and environmentally safe.
Description
Technical field
Liquid chemical product body in calculating field, more particularly to a kind of ship-to-shore feed-line is stored the present invention relates to chemical industry
The measuring method of product and gas volume.
Background technology
It is whole to eliminate residual effect in the pipeline to conveying when liquid chemical product (such as oil) ship-to-shore joins and measured
Individual metering accuracy, it is general using (or sweeping ball) operation is purged to pipeline, substantial amounts of compressed gas is used (for inflammable
Explosive liquid chemical product, then need to use a large amount of inert gases), to discharge poisonous and harmful inflammable and explosive to air during purging
Gas, existing potential safety hazard brings harm to environment again, when being blown to internal floating roof tank, easily makes damage floating plate；Blown to ship
When sweeping, ship will bear certain stream pressure and remaining certain empty appearance must be stayed to receive be blown into pipeline amount, there is certain risk.It is right
The material in pipeline is replaced with several times of waters sometimes in non-water-soluble liquid chemical products, is joined by measuring storage tank amount
Metering, otherwise opposed change water to process, if discharging, should can cause the possibility of environmental pollution, if not discharging after testing afterwards before discharge
Then take the capacity of tank line.
The content of the invention
Based on this, it is necessary to the pollution ring existed for liquid chemical product measuring method in traditional ship-to-shore feed-line
The problem of border, there is provided a kind of measuring method of liquid chemical product in environmentally safe ship-to-shore feed-line.
A kind of measuring method of liquid chemical product volume in ship-to-shore feed-line, the ship-to-shore feed-line is used to connect
Liquid chemical product cargo ship and storage tank, the measuring method include：The ship-to-shore feed-line and the fluid chemical are produced
One end closing of product cargo ship connection；In the ship-to-shore feed-line and described tank connected one end of storage, in the storage tank
Liquid chemical product is filled with the ship-to-shore feed-line；Acquisition is filled with the liquid chemical product in the ship-to-shore feed-line
Volume；The gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in measurement；Obtain the ship-to-shore feed-line
Volume；Calculate the volume of liquid chemical product in the ship-to-shore feed-line.
In one of the embodiments, the liquid chemical product in the storage tank is filled with the ship-to-shore feed-line
Before, the gas pressure in the ship-to-shore feed-line is measured.
In one of the embodiments, the liquid chemical product in the storage tank is filled with the ship-to-shore delivery pipe
Before in line, measure in the gas pressure step in the ship-to-shore feed-line, measure the gas in the ship-to-shore feed-line
Pressure includes：Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；Survey
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；Calculate being averaged for gas pressure at above-mentioned two
Value；The average value is used as the gas pressure in the ship-to-shore feed-line.
In one of the embodiments, the liquid chemical product in the storage tank is filled with the ship-to-shore delivery pipe
Before in line, measure in the gas pressure step in the ship-to-shore feed-line, measure the gas in the ship-to-shore feed-line
Pressure includes：Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；Survey
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；Measure the ship-to-shore feed-line middle
Gas pressure；Calculate the average value of gas pressure at above-mentioned three；The average value is used as the gas in the ship-to-shore feed-line
Pressure.
In one of the embodiments, the gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in the measurement
Power includes：Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；Measurement
The ship-to-shore feed-line is connected the gas pressure of end with the storage tank；Calculate the average value of gas pressure at above-mentioned two；
The average value is used as the gas pressure in the ship-to-shore feed-line.
In one of the embodiments, the gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in the measurement
Power includes：Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；Measurement
The ship-to-shore feed-line is connected the gas pressure of end with the storage tank；Measure the gas of the ship-to-shore feed-line middle
Body pressure；Calculate the average value of gas pressure at above-mentioned three；The average value is used as the gas pressure in the ship-to-shore feed-line
Power.
In one of the embodiments, the acquisition is filled with the volume of the liquid chemical product in the ship-to-shore feed-line
Including：The storage tank is measured to produce toward fluid chemical in the storage tank before the ship-to-shore feed-line internal-filling liquid body chemical products
The volume of product；The storage tank is measured toward fluidization in the storage tank after the ship-to-shore feed-line internal-filling liquid body chemical products
The volume of chemical product；Calculate in storage tank toward the fluid chemical before and after the ship-to-shore feed-line internal-filling liquid body chemical products
The difference of the volume of product；The difference as the liquid chemical product being filled with the ship-to-shore feed-line volume.
In one of the embodiments, the liquid chemical product is oil.
The measuring method of gas volume in a kind of ship-to-shore feed-line, including：The ship-to-shore feed-line is used to connect liquid
Body chemical products cargo ship and storage tank, the measuring method include：The ship-to-shore feed-line and the liquid chemical product
One end closing of cargo ship connection；In the ship-to-shore feed-line and described tank connected one end of storage, the liquid in the storage tank
Body chemical products are filled with the ship-to-shore feed-line；Obtain the body for the liquid chemical product being filled with the ship-to-shore feed-line
Product；The gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in measurement；Calculate gas in the ship-to-shore feed-line
The volume of body.
In one of the embodiments, the liquid chemical product in the storage tank is filled with the ship-to-shore feed-line
Before, the gas pressure in the ship-to-shore feed-line is measured.
The measuring method of liquid chemical product and gas volume in above-mentioned ship-to-shore feed-line, using in the storage tank
Liquid chemical product is filled with ship-to-shore feed-line, the atmospheric pressure front and rear by measuring the compression of ship-to-shore feed-line, utilizes ripple
Adopted ear law builds equation solution and goes out liquid chemical product and gas volume in ship-to-shore feed-line, measuring method efficiency high and right
Environmental nonpollution.
Brief description of the drawings
Fig. 1 is the flow chart of the measuring method of liquid chemical product volume in the ship-to-shore feed-line of an embodiment；
Fig. 2 is the flow chart of the measuring method of gas volume in the ship-to-shore feed-line of an embodiment.
Embodiment
It is the flow chart of the measuring method of liquid chemical product volume in the ship-to-shore feed-line of an embodiment refering to Fig. 1,
Wherein, the ship-to-shore feed-line is used to connect liquid chemical product cargo ship and storage tank, and the measuring method comprises the following steps
S110~step S170.
Gas pressure in step S110, the measurement ship-to-shore feed-line.
Specifically, can be by installing pressure gauge or other similar manometric pressure in the ship-to-shore feed-line
Measurement apparatus measures the gas pressure in the ship-to-shore feed-line.
It is appreciated that because ship-to-shore feed-line is very long, in order to improve the accuracy of measurement, in the ship-to-shore feed-line
End is connected with the liquid chemical product cargo ship pressure gauge is installed, measure the ship-to-shore feed-line and the fluidization
Chemical product cargo ship connects the gas pressure of end.End is connected with the storage tank in the ship-to-shore feed-line pressure is installed
Power table, measures the gas pressure that the ship-to-shore feed-line is connected end with the storage tank.Calculate gas pressure at above-mentioned two
Average value, the average value is used as the gas pressure in the ship-to-shore feed-line.
Likewise, the accuracy in order to improve measurement, is transported in the ship-to-shore feed-line and the liquid chemical product
Ship connection end installs pressure gauge, measures the ship-to-shore feed-line and is connected end with the liquid chemical product cargo ship
Gas pressure.End is connected with the storage tank in the ship-to-shore feed-line pressure gauge is installed, measure the ship-to-shore conveying
Pipeline is connected the gas pressure of end with the storage tank.Pressure gauge is installed in the ship-to-shore feed-line middle, institute is measured
State the gas pressure of ship-to-shore feed-line middle.The average value of gas pressure at above-mentioned three is calculated, the average value is used as institute
State the gas pressure in ship-to-shore feed-line.
Step S120, one end that the ship-to-shore feed-line is connected with the liquid chemical product cargo ship are closed.
Specifically, because there is valve the ship-to-shore feed-line and the liquid chemical product cargo ship junction, now
As long as closing valve, it is possible to close one end that the ship-to-shore feed-line is connected with the liquid chemical product cargo ship.
Step S130, in the ship-to-shore feed-line and the tank connected one end of the storage, the fluidization in the storage tank
Chemical product is filled with the ship-to-shore feed-line.
Specifically, a pump is set between the ship-to-shore feed-line and the storage tank, the liquid in the storage tank
Chemical products are filled with the ship-to-shore feed-line.
Step S140, acquisition are filled with the volume of the liquid chemical product in the ship-to-shore feed-line.
It is appreciated that the volume for the liquid chemical product being filled with ship-to-shore feed-line is exactly the fluid chemical production in storage tank
The changing value of the volume of product.
Specifically, obtaining the volume for the liquid chemical product being filled with the ship-to-shore feed-line includes：The measurement storage
Volume of the tank toward liquid chemical product in the storage tank before the ship-to-shore feed-line internal-filling liquid body chemical products；Measurement institute
Storage tank is stated toward the volume of liquid chemical product in the storage tank after the ship-to-shore feed-line internal-filling liquid body chemical products；Meter
Calculate storage tank in toward the liquid chemical product before and after the ship-to-shore feed-line internal-filling liquid body chemical products volume difference
Value；The difference as the liquid chemical product being filled with the ship-to-shore feed-line volume.It is appreciated that the measurement storage
The method of the volume of pot liquid chemical products has a lot, will not be repeated here.
It is appreciated that the liquid chemical product being filled with the ship-to-shore feed-line can also be obtained by other method
Volume.Such as, can be by installing flow instrument additional on pump, the volume of the liquid chemical product of pump is passed through in measurement, by pump
The volume of liquid chemical product is exactly the volume for the liquid chemical product being filled with the ship-to-shore feed-line.
Step S150, measurement fill the gas pressure after liquid chemical product in the ship-to-shore feed-line.
Herein, with step S110, narration is not repeated.
Step S160, the volume for obtaining the ship-to-shore feed-line.
Specifically, it by the method for dimensional measurement can be exactly the volume for calculating the ship-to-shore feed-line, the ship-to-shore
The volume of feed-line is multiplied by the cross-sectional area of the ship-to-shore feed-line equal to the length of the ship-to-shore feed-line.
Step S170, the volume for calculating liquid chemical product in the ship-to-shore feed-line.
Specifically, P1 is designated as to filling liquid chemical product foregoing description ship-to-shore feed-line gas pressure, fills fluid chemical
Gas pressure after product in the ship-to-shore feed-line is designated as P2, to filling the ship-to-shore feed-line before liquid chemical product
Interior gas volume is designated as V1, fills the gas volume after liquid chemical product in ship-to-shore feed-line and is designated as V2, the ship-to-shore
The volume of feed-line is designated as GV, fills the measured in volume of liquid chemical product in liquid chemical product foregoing description ship-to-shore feed-line
For GYV1, the volume for the liquid chemical product being filled with the ship-to-shore feed-line is designated as CYV.
It is appreciated that the volume for the liquid chemical product being filled with the ship-to-shore feed-line, which is equal to, fills liquid chemical product
The changing value of the ship-to-shore feed-line inner volume, i.e. CYV=V2-V1 afterwards.
Because the ship-to-shore feed-line is under normal temperature, temperature change is very small, the gas in the ship-to-shore feed-line
Body is met Boyle's law, i.e. P1*V1=P2*V2 before and after compression.
It is appreciated that P1*V1-P1*V2=P2*V2-P1*V2.
It is appreciated that P1* (V1-V2)=V2* (P2-P1).
Solve：V2=P1* (V1-V2)/(P2-P1)=P1*CYV/ (P2-P1).
Then, GYV1=GV-V2-CYV=GV-P1*CYV/ (P2-P1)-CYV.Formula (1)
Because the ship-to-shore feed-line is under normal temperature, it is believed that the gas pressure in the ship-to-shore feed-line is just
It is standard atmospheric pressure, i.e., its value is 101.325kPa, is brought directly to calculating in formula (1).It is thus possible to without measuring topping up body
The gas pressure P1 in the ship-to-shore feed-line before chemical products, that is, omit step S110.
Certainly, it is considered to some factors such as temperature change, in order that the result of measurement is more accurate, the liquid in the storage tank
Before chemical products are filled with the ship-to-shore feed-line, the gas pressure in the ship-to-shore feed-line is measured, i.e., is not omitted
Step S110.
It is appreciated that in ship-to-shore feed-line in the present embodiment in the measuring method of liquid chemical product volume, it is described
Liquid chemical product can be oil.
It is the flow chart of the measuring method of gas volume in the ship-to-shore feed-line of an embodiment refering to Fig. 2, wherein, institute
Stating ship-to-shore feed-line is used to connect liquid chemical product cargo ship and storage tank, and the measuring method comprises the following steps S210~step
Rapid S260.
Gas pressure in step S210, the measurement ship-to-shore feed-line.
Step S220, one end that the ship-to-shore feed-line is connected with the liquid chemical product cargo ship are closed.
Step S230, in the ship-to-shore feed-line and the tank connected one end of the storage, the fluidization in the storage tank
Chemical product is filled with the ship-to-shore feed-line.
Step S240, acquisition are filled with the volume of the liquid chemical product in the ship-to-shore feed-line.
Step S250, measurement fill the gas pressure after liquid chemical product in the ship-to-shore feed-line.
Because step S210~step S250 in the measuring method of gas volume in ship-to-shore feed-line and ship-to-shore are conveyed
Step S110~step S150 in pipeline in the measuring method of liquid chemical product volume is identical, and narration is not repeated herein.
Step S260, the volume for calculating gas in the ship-to-shore feed-line.
Specifically, P1 is designated as to filling liquid chemical product foregoing description ship-to-shore feed-line gas pressure, fills fluid chemical
Gas pressure after product in the ship-to-shore feed-line is designated as P2, to filling the ship-to-shore feed-line before liquid chemical product
Interior gas volume is designated as V1, fills the gas volume after liquid chemical product in ship-to-shore feed-line and is designated as V2, is filled with described
The volume of liquid chemical product in ship-to-shore feed-line is designated as CYV.
It is appreciated that the volume for the liquid chemical product being filled with the ship-to-shore feed-line, which is equal to, fills liquid chemical product
The changing value of the ship-to-shore feed-line inner volume, i.e. CYV=V2-V1 afterwards.
Because the ship-to-shore feed-line is under normal temperature, temperature change is very small, the gas in the ship-to-shore feed-line
Body is met Boyle's law, i.e. P1*V1=P2*V2 before and after compression.
It is appreciated that P1*V1-P1*V2=P2*V2-P1*V2.
It is appreciated that P1* (V1-V2)=V2* (P2-P1).
Solve：V2=P1* (V1-V2)/(P2-P1)=P1*CYV/ (P2-P1).
Then, V1=V2-CYV=P1*CYV/ (P2-P1)-CYV.Formula (2)
Because the ship-to-shore feed-line is under normal temperature, it is believed that the gas pressure in the ship-to-shore feed-line is just
It is standard atmospheric pressure, i.e., its value is 101.325kPa, is brought directly to calculating in formula (2).It is thus possible to without measuring topping up body
The gas pressure P1 in the ship-to-shore feed-line before chemical products, that is, omit step S210.
Certainly, it is considered to some factors such as temperature change, in order that the result of measurement is more accurate, the liquid in the storage tank
Before chemical products are filled with the ship-to-shore feed-line, the gas pressure in the ship-to-shore feed-line is measured, i.e., is not omitted
Step S210.
It is appreciated that in ship-to-shore feed-line in the present embodiment in the measuring method of liquefied gas volume, the liquid
Chemical products can be oil.
The measuring method of liquid chemical product and gas volume in above-mentioned ship-to-shore feed-line, using in the storage tank
Liquid chemical product is filled with ship-to-shore feed-line, the atmospheric pressure front and rear by measuring the compression of ship-to-shore feed-line, utilizes ripple
Adopted ear law builds equation solution and goes out liquid chemical product and gas volume in ship-to-shore feed-line, measuring method efficiency high and right
Environmental nonpollution.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of measuring method of liquid chemical product volume in ship-to-shore feed-line, the ship-to-shore feed-line is used to connect liquid
Body chemical products cargo ship and storage tank, the measuring method include：
One end closing that the ship-to-shore feed-line is connected with the liquid chemical product cargo ship；
In the ship-to-shore feed-line and described tank connected one end of storage, the liquid chemical product in the storage tank is filled with described
In ship-to-shore feed-line；
Obtain the volume for the liquid chemical product being filled with the ship-to-shore feed-line；
The gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in measurement；
Obtain the volume of the ship-to-shore feed-line；
Calculate the volume of liquid chemical product in the ship-to-shore feed-line.
2. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 1, the storage
Before liquid chemical product in tank is filled with the ship-to-shore feed-line, the gas pressure in the ship-to-shore feed-line is measured
Power.
3. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 2, described institute
State before the liquid chemical product in storage tank is filled with the ship-to-shore feed-line, measure the gas in the ship-to-shore feed-line
In pressure step, the gas pressure measured in the ship-to-shore feed-line includes：
Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；
Calculate the average value of gas pressure at above-mentioned two；
The average value is used as the gas pressure in the ship-to-shore feed-line.
4. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 2, described institute
State before the liquid chemical product in storage tank is filled with the ship-to-shore feed-line, measure the gas in the ship-to-shore feed-line
In pressure step, the gas pressure measured in the ship-to-shore feed-line includes：
Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；
Measure the gas pressure of the ship-to-shore feed-line middle；
Calculate the average value of gas pressure at above-mentioned three；
The average value is used as the gas pressure in the ship-to-shore feed-line.
5. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 1, the measurement is filled
Gas pressure after liquid chemical product in the ship-to-shore feed-line includes：
Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；
Calculate the average value of gas pressure at above-mentioned two；
The average value is used as the gas pressure in the ship-to-shore feed-line.
6. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 1, the measurement is filled
Gas pressure after liquid chemical product in the ship-to-shore feed-line includes：
Measure the gas pressure that the ship-to-shore feed-line is connected end with the liquid chemical product cargo ship；
Measure the gas pressure that the ship-to-shore feed-line is connected end with the storage tank；
Measure the gas pressure of the ship-to-shore feed-line middle；
Calculate the average value of gas pressure at above-mentioned three；
The average value is used as the gas pressure in the ship-to-shore feed-line.
7. the measuring method of liquid chemical product volume in ship-to-shore feed-line according to claim 1, the acquisition is filled
Entering the volume of the liquid chemical product in the ship-to-shore feed-line includes：
The storage tank is measured to produce toward fluid chemical in the storage tank before the ship-to-shore feed-line internal-filling liquid body chemical products
The volume of product；
The storage tank is measured to produce toward fluid chemical in the storage tank after the ship-to-shore feed-line internal-filling liquid body chemical products
The volume of product；
Calculate the body toward the liquid chemical product before and after the ship-to-shore feed-line internal-filling liquid body chemical products in storage tank
Long-pending difference；
The difference as the liquid chemical product being filled with the ship-to-shore feed-line volume.
8. the measuring method of liquid chemical product volume, institute in the ship-to-shore feed-line according to any one of claim 1 to 7
Liquid chemical product is stated for oil.
9. the measuring method of gas volume in a kind of ship-to-shore feed-line, including：The ship-to-shore feed-line is used to connect liquid
Chemical products cargo ship and storage tank, the measuring method include：
One end closing that the ship-to-shore feed-line is connected with the liquid chemical product cargo ship；
In the ship-to-shore feed-line and described tank connected one end of storage, the liquid chemical product in the storage tank is filled with described
In ship-to-shore feed-line；
Obtain the volume for the liquid chemical product being filled with the ship-to-shore feed-line；
The gas pressure after liquid chemical product in the ship-to-shore feed-line is filled in measurement；
Calculate the volume of gas in the ship-to-shore feed-line.
10. the measuring method of gas volume in ship-to-shore feed-line according to claim 9, the liquid in the storage tank
Before body chemical products are filled with the ship-to-shore feed-line, the gas pressure in the ship-to-shore feed-line is measured.
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Citations (4)
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|---|---|---|---|---|
| JPH0674809A (en) * | 1991-10-22 | 1994-03-18 | Yoshijirou Watanabe | Flow rate measuring device |
| CN2550722Y (en) * | 2002-06-24 | 2003-05-14 | 刘更民 | Pressure, temperature and flow parameter survey monitor for oil and gas well and transport pipeline |
| CN102865899A (en) * | 2012-09-07 | 2013-01-09 | 中国石油天然气集团公司 | In-situ fluid volume measuring method for use in high-temperature and high-pressure rock core displacement process and device thereof |
| CN105841775A (en) * | 2016-05-16 | 2016-08-10 | 中国石油天然气股份有限公司 | Prejudging experimental device and method for water-production gas well liquid loading |
-
2017
- 2017-05-18 CN CN201710353574.0A patent/CN106989792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674809A (en) * | 1991-10-22 | 1994-03-18 | Yoshijirou Watanabe | Flow rate measuring device |
| JP2842960B2 (en) * | 1991-10-22 | 1999-01-06 | 嘉二郎 渡邊 | Liquid volume measuring device |
| CN2550722Y (en) * | 2002-06-24 | 2003-05-14 | 刘更民 | Pressure, temperature and flow parameter survey monitor for oil and gas well and transport pipeline |
| CN102865899A (en) * | 2012-09-07 | 2013-01-09 | 中国石油天然气集团公司 | In-situ fluid volume measuring method for use in high-temperature and high-pressure rock core displacement process and device thereof |
| CN105841775A (en) * | 2016-05-16 | 2016-08-10 | 中国石油天然气股份有限公司 | Prejudging experimental device and method for water-production gas well liquid loading |
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| CN106989792B (en) | 2019-11-08 |
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