CN110608782A - Online automatic micro oil-water metering system and metering method thereof - Google Patents
Online automatic micro oil-water metering system and metering method thereof Download PDFInfo
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- CN110608782A CN110608782A CN201810616707.3A CN201810616707A CN110608782A CN 110608782 A CN110608782 A CN 110608782A CN 201810616707 A CN201810616707 A CN 201810616707A CN 110608782 A CN110608782 A CN 110608782A
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- oil
- water
- metering
- water separation
- separation pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 50
- 239000011521 glass Substances 0.000 claims abstract description 14
- 235000019198 oils Nutrition 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 235000019476 oil-water mixture Nutrition 0.000 claims description 4
- 238000010191 image analysis Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 3
- 238000011160 research Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Measuring Volume Flow (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an on-line automatic micro oil-water metering system and a metering method thereof, wherein the system comprises an oil-water separation pipe, a liquid discharge pipe, a liquid inlet pipe, an organic glass plate, a total liquid metering device, a flat plate light source and a digital camera, the digital camera dynamically identifies an oil-gas interface and an oil-water interface in real time by calibrating and calculating a volume coefficient, and the dynamic oil-water quantity is calculated by metering the total liquid discharge in real time. The invention has simple structure and small volume, and greatly reduces the volume from the rock core outlet to the recognizable area of the metering tube, namely the dead volume; not only can be directly connected to the core outlet, inherits all the benefits of manual measurement, but also can be directly placed in the thermostat where the core holder is positioned due to small volume, thereby avoiding the thermostat independently arranged for the measuring device and reducing the volume.
Description
Technical Field
The invention particularly relates to an online automatic micro oil-water metering system and a metering method thereof.
Background
Rock core displacement experiments in scientific research laboratories in the fields of petroleum and geological research all need micro and accurate online oil-water metering, and for a long time, the metering always collects output liquid at a rock core outlet by a glass tube, manually observes oil quantity and water quantity, and meters the oil quantity and the water quantity by manually reading scales of the glass tube.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide an on-line automatic micro oil-water metering system for accurately metering real-time dynamic oil-water amount.
An online trace oil-water automatic metering system, comprising:
an oil-water separation pipe, above which a sealing device is arranged;
a liquid discharge pipe and a liquid inlet pipe which are both arranged below the oil-water separation pipe and communicated with the oil-water separation pipe;
the organic glass plate is arranged on one side of the oil-water separation pipe, and a reference mark block is arranged on the glass plate;
a total liquid amount metering device arranged below the oil-water separation pipe and used for metering the volume of liquid discharged from the liquid discharge pipe;
the flat light source is arranged behind the oil-water separation pipe;
and the digital camera is arranged right in front of the oil-water separation pipe.
Preferably, the closure means is a rubber stopper or a glass tap.
Preferably, the total liquid metering device is a day and beaker matching mechanism or a micro metering pump.
The invention also aims to provide a metering method, which utilizes the metering system to accurately obtain real-time dynamic oil and water metering data.
A metering method for metering by using a metering system comprises the following steps,
a: injecting water into the oil-water separation pipe by using a high-precision injection pump, calibrating ml corresponding to a water column with the same height as the reference calibration block, simultaneously obtaining the pixel height corresponding to the reference calibration block, calculating a volume coefficient according to the ml corresponding to the water column and the pixel height, and storing the volume coefficient in a computer system;
b: preparation work before system work: a certain amount of oil and water are pre-filled in the oil-water separation pipe, a small amount of air is sealed, the air in the liquid discharge pipe below the oil-water separation pipe is emptied, the total liquid column metering device is in a metering standby state, the system software records the length of an initial oil column (namely zero clearing), and the total liquid column metering device is cleared;
c: the method comprises the following steps that a core outlet oil-water mixture is a fluid to be measured, the fluid to be measured enters an oil-water separation pipe through a liquid inlet pipe to be separated on line during working, a digital camera shoots in real time, image data are transmitted into a computer, an oil-water interface and an oil-gas interface are identified in real time through image analysis, the pixel heights of the two interfaces are calculated, the volume coefficient is calibrated and stored in combination with the step A, the real-time oil column length is calculated, the initial oil column length recorded in the step B is deducted, and the real-time oil production;
d: the liquid entering the oil-water separation pipe can cause water with the same volume as the liquid to be discharged from the liquid discharge pipe, the real-time total liquid amount is measured by the total liquid amount measuring device, and the real-time water yield is converted according to the real-time total liquid amount and the real-time oil amount, so that the real-time dynamic oil yield and water yield are obtained.
The invention adopts the most classical method simulating manual measurement to directly connect the oil-water separation pipe with the outlet of the core holder, and has simple structure and small volume because the invention has no other mechanical devices or motion mechanisms except the oil-water separation pipe, a light source and a high-definition digital camera, thereby greatly reducing the volume, namely the dead volume, from the core outlet to the recognizable area of the measuring pipe; the device not only can be directly connected with the core outlet, inherits all the benefits of manual measurement, but also can be directly placed in the thermostat where the core holder is positioned due to small volume, thereby avoiding the thermostat independently arranged for the measuring device and reducing the volume; the invention adopts a high-definition digital camera to acquire images of the oil-water separation pipe in real time, analyzes image data in real time and identifies the oil-water interface and the oil-gas interface position, thereby calculating the length of the liquid column on line.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a front view of an on-line automatic micro oil-water metering system according to the present invention;
fig. 2 is a side view of fig. 1.
The figures in the drawings represent:
1. flat light source 2, oil-water separation tube 3, digital camera 4 and sealing device
5. A liquid discharge pipe 6, a total liquid metering device 7, an organic glass plate 8 and a reference standard block
9. A liquid inlet pipe.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example (b):
as shown in fig. 1 to 2, an online automatic micro oil-water metering system includes:
an oil-water separation pipe 2, above which a closing device 4 is arranged; in this embodiment, the closure means 4 is preferably a rubber stopper.
A liquid discharge pipe 5 and a liquid inlet pipe 9 which are both arranged below the oil-water separation pipe 2 and communicated with the oil-water separation pipe 2;
an organic glass plate 7 arranged on one side of the oil-water separation pipe 2, wherein a reference standard block 8 is arranged on the glass plate 7;
a total liquid amount metering device 6 disposed below the oil-water separation pipe 2 for metering the volume of the liquid discharged from the liquid discharge pipe 5; in this embodiment, a matching mechanism of the beaker and the balance is preferred.
The flat light source 1 is arranged behind the oil-water separation pipe 2;
and a digital camera 3 disposed right in front of the oil-water separation pipe 2.
The implementation principle is as follows: the oil-water mixture displaced from the core enters the oil-water separation pipe 2 through the liquid inlet pipe 9, an oil column and a water column are formed through oil-water separation, and oil is in the lower part above water, so that an oil-gas interface and an oil-water interface are formed. The left side of the oil-water separation pipe 2 is provided with a transparent organic glass plate 7, and a reference standard block 8 is arranged on the organic glass plate 7. The rear part of the oil-water separation pipe 2 is provided with a high-precision flat light source 1, the right front part of the oil-water separation pipe 2 is provided with a high-definition digital camera 3, and the high-definition digital camera 3 is connected with a computer.
Calibration: and (3) injecting water into the oil-water separation pipe 2 by using a high-precision injection pump, calibrating the corresponding ml number of the water column with the same height as the reference standard block 8, simultaneously obtaining the pixel height corresponding to the reference standard block 8, and calculating the volume coefficient according to the corresponding ml number and the pixel height of the water column.
The invention also aims to provide a metering method, which utilizes the metering system to accurately obtain real-time oil production and water production dynamic data.
A metering method for metering by using a metering system comprises the following steps,
a: injecting water into the oil-water separation pipe 2 by using a high-precision injection pump, calibrating ml numbers corresponding to water columns with the same height as the reference calibration block 8, simultaneously obtaining pixel heights corresponding to the reference calibration block 8, calculating a volume coefficient according to the ml numbers and the pixel heights corresponding to the water columns, and storing the volume coefficient in a computer system;
b: preparation work before system work: a certain amount of oil and water are pre-filled in the oil-water separation pipe, a small amount of air is sealed, the air in the liquid discharge pipe 5 below the oil-water separation pipe 2 is emptied, the total liquid flow metering device 6 is in a metering standby state, the system software records the length of an initial oil column (namely zero clearing), and the total liquid flow metering device 6 is cleared;
c: the core outlet oil-water mixture is a fluid to be measured, the fluid to be measured enters the oil-water separation pipe 2 through the liquid inlet pipe to be separated on line during working, the digital camera 3 shoots in real time, image data are transmitted into a computer, an oil-water interface and an oil-gas interface are identified in real time through image analysis, the pixel heights of the two interfaces are calculated, the real-time oil column length is calculated by combining the volume coefficient calibrated and stored in the step A, the initial oil column length recorded in the step B is deducted, and the real-time oil yield is calculated;
d: the liquid entering the oil-water separation pipe 2 can cause water with the same volume as the liquid to be discharged from the liquid discharge pipe, the real-time total liquid amount is measured by the total liquid amount measuring device 6, and the real-time water yield is converted according to the real-time total liquid amount and the real-time oil amount, so that the real-time dynamic oil yield and the real-time dynamic water yield are obtained.
The invention adopts the most classical method simulating manual measurement to directly connect the oil-water separation pipe 2 with the outlet of the core holder, and because the invention has no other mechanical device or motion mechanism except the oil-water separation pipe 2, the flat light source 1 and the high-definition digital camera 3, the structure is simple and the volume is small, the volume from the core outlet to the recognizable area of the measuring pipe, namely the dead volume, is greatly reduced; the device not only can be directly connected with the core outlet, inherits all the benefits of manual measurement, but also can be directly placed in the thermostat where the core holder is positioned due to small volume, thereby avoiding the independent arrangement of the thermostat for the total liquid measuring device 6 and reducing the volume; the invention adopts the high-definition digital camera 3 to acquire the images of the oil-water separation pipe 2 in real time, analyze the image data in real time and identify the oil-water interface and the oil-gas interface position, thereby calculating the length of the liquid column on line.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (4)
1. The utility model provides an online trace profit automatic metering system which characterized in that includes:
an oil-water separation pipe, above which a sealing device is arranged;
a liquid discharge pipe and a liquid inlet pipe which are both arranged below the oil-water separation pipe and communicated with the oil-water separation pipe;
the organic glass plate is arranged on one side of the oil-water separation pipe, and a reference mark block is arranged on the glass plate;
a total liquid amount metering device arranged below the oil-water separation pipe and used for metering the volume of liquid discharged from the liquid discharge pipe;
the flat light source is arranged behind the oil-water separation pipe;
and the digital camera is arranged right in front of the oil-water separation pipe.
2. The on-line automatic micro oil and water metering system of claim 1, wherein the closing device is a rubber plug or a glass cock.
3. The system of claim 1, wherein the total liquid metering device is a day and beaker combination mechanism or a micro-metering pump.
4. A metering method for metering by using the metering system of claim 1, comprising the steps of,
a: injecting water into the oil-water separation pipe by using a high-precision injection pump, calibrating ml corresponding to a water column with the same height as the reference calibration block, simultaneously obtaining the pixel height corresponding to the reference calibration block, calculating a volume coefficient according to the ml corresponding to the water column and the pixel height, and storing the volume coefficient in a computer system;
b: the system is prepared to work before working, a certain amount of oil and water are pre-filled in the oil-water separation pipe, a small amount of air is sealed, the air in the liquid discharge pipe below the oil-water separation pipe is emptied, the total liquid quantity metering device is in a metering standby state, the system software records the length of an initial oil column (namely zero clearing), and the total liquid quantity metering device is cleared;
c: the method comprises the following steps that a core outlet oil-water mixture is a fluid to be measured, the fluid to be measured enters an oil-water separation pipe through a liquid inlet pipe to be separated on line during working, a digital camera shoots in real time, image data are transmitted into a computer, an oil-water interface and an oil-gas interface are identified in real time through image analysis, the pixel heights of the two interfaces are calculated, the volume coefficient is calibrated and stored in combination with the step A, the real-time oil column length is calculated, the initial oil column length recorded in the step B is deducted, and the real-time oil production;
d: the liquid entering the oil-water separation pipe can cause water with the same volume as the liquid to be discharged from the liquid discharge pipe, the real-time total liquid amount is measured by the total liquid amount measuring device, and the real-time water yield is converted according to the real-time total liquid amount and the real-time oil amount, so that the real-time dynamic oil yield and water yield are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616707.3A CN110608782A (en) | 2018-06-15 | 2018-06-15 | Online automatic micro oil-water metering system and metering method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810616707.3A CN110608782A (en) | 2018-06-15 | 2018-06-15 | Online automatic micro oil-water metering system and metering method thereof |
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| Publication Number | Publication Date |
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| CN110608782A true CN110608782A (en) | 2019-12-24 |
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| CN201810616707.3A Pending CN110608782A (en) | 2018-06-15 | 2018-06-15 | Online automatic micro oil-water metering system and metering method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052220A1 (en) * | 2020-09-11 | 2022-03-17 | 云南喜科科技有限公司 | Lamp inspection method and device applicable to quantitative analysis of filling quantity in vapor producing section of aerosol producing article |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564520A (en) * | 2011-10-13 | 2012-07-11 | 中国石油天然气股份有限公司 | Automatic oil-water metering device and automatic oil-water metering method |
| CN103292843A (en) * | 2013-07-15 | 2013-09-11 | 钱如树 | Oil and water two-phase metering device |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
-
2018
- 2018-06-15 CN CN201810616707.3A patent/CN110608782A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564520A (en) * | 2011-10-13 | 2012-07-11 | 中国石油天然气股份有限公司 | Automatic oil-water metering device and automatic oil-water metering method |
| CN103292843A (en) * | 2013-07-15 | 2013-09-11 | 钱如树 | Oil and water two-phase metering device |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052220A1 (en) * | 2020-09-11 | 2022-03-17 | 云南喜科科技有限公司 | Lamp inspection method and device applicable to quantitative analysis of filling quantity in vapor producing section of aerosol producing article |
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