CN216617492U - Oil-water automatic metering device - Google Patents

Abstract

The utility model belongs to the technical field of oil-water metering, and particularly relates to an automatic oil-water metering device. The device comprises a liquid inlet pipeline, a plurality of metering containers, a plurality of fixing frames, a high-definition camera and a computer; the liquid inlet pipeline is connected with a metering container, and the metering container is fixed through a fixing frame; a plurality of high-definition cameras are arranged opposite to the metering containers, so that the change condition of the liquid level of each metering container can be clearly recorded; each high-definition camera is connected with the computer. The device provided by the utility model realizes real-time monitoring and automatic metering of multi-well flow, is simple to operate, and greatly reduces the workload of experimenters.

Description

Oil-water automatic metering device

Technical Field

The utility model belongs to the technical field of oil-water metering, and particularly relates to an automatic oil-water metering device.

Background

The problem of water oil separating is often met in the indoor physical simulation experiment process of oil reservoir, especially when carrying out three-dimensional physical simulation experiment, and the production well is more, and the experiment cycle is long, relies on artifical measurement, and work load is big, and current water oil separating device is difficult to solve the problem of many wells simultaneous measurement.

Chinese utility model patent CN212206250U discloses a high temperature high pressure profit metering device, including oil water separation counter and camera, the oil water separation counter includes high-pressure chamber and sets up upper cover and the lower cover at both ends about high-pressure chamber, be equipped with the glass tube subassembly in the high-pressure chamber, on cover the first communicating pipe that is equipped with glass tube subassembly intercommunication, cover down and be equipped with the second communicating pipe that communicates with the glass tube subassembly, be equipped with the third communicating pipe in the middle of four glass union couplings, the glass window that corresponds with the glass tube subassembly is seted up in the both sides correspondence of high-pressure chamber, the glass window inlays to be established on high-pressure chamber, the camera corresponds the glass window and shoots the glass tube subassembly.

Chinese utility model patent CN213515820U discloses an oil-water metering device, which comprises an oil pipeline, a branch pipe I, a branch pipe II, a metering device assembly and a controller, the oil pipeline is fixedly connected with a first branch pipe and a second branch pipe, the first branch pipe and the second branch pipe are fixedly connected with a metering device assembly, the metering device assembly comprises a liquid storage barrel, a spiral pipe is spirally and fixedly connected below the inner wall of the liquid storage barrel, a water inlet and a water outlet are respectively arranged at the upper end and the lower end of the spiral pipe, the water inlet and the water outlet are respectively connected with an external water pipe, the outer side of the bottom of the liquid storage barrel is fixedly connected with a rock wool layer, an electric induction heating cable is spirally and fixedly connected in the rock wool layer, the outer sides of the upper parts of the rock wool layer and the liquid storage barrel are fixedly provided with a shell, the shell is of a two-half structure, and the two half shells are detachably and fixedly connected together through an industrial hinge.

The Chinese utility model patent CN207278249U discloses a quick oil-water metering device, which comprises an oil-water separator, wherein the bottom end of the oil-water separator is simultaneously communicated with an oil-water mixing inlet pipe and a water outlet pipe, the upper end of the oil-water separator is communicated with the oil outlet pipe, the bottom end of the oil-water separator is in a sharp mouth shape, the oil-water mixing inlet pipe is inserted into the bottom end of the sharp mouth-shaped oil-water separator, the upper end opening of the oil-water mixing inlet pipe in the bottom end of the oil-water separator is an oil-water separation position, and the oil-water separation position at the bottom is higher than a connecting opening of the water outlet pipe and the oil-water separator; the oil-water mixing inlet pipe is provided with a rotary switch, and the oil outlet pipe is provided with a cock valve.

The metering device and the existing oil-water metering device cannot automatically meter the oil and water of a plurality of oil wells simultaneously.

Disclosure of Invention

The utility model mainly aims to provide an oil-water automatic metering device, which realizes real-time monitoring and automatic metering of multi-well flow, is simple to operate and greatly reduces the workload of experimenters.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic oil-water metering device which comprises a liquid inlet pipeline, a plurality of metering containers, a plurality of fixing frames, a high-definition camera and a computer, wherein the liquid inlet pipeline is connected with the metering containers; the liquid inlet pipeline is connected with a metering container, and the metering container is fixed through a fixing frame; a plurality of high-definition cameras are arranged opposite to the metering containers, so that the change condition of the liquid level of each metering container can be clearly recorded; each high-definition camera is connected with the computer.

Further, the device also comprises a mass flow meter, wherein the mass flow meter is connected with the meter through a pipeline, and the mass flow meter is connected with the computer.

Furthermore, a sealing cover is arranged at the top of the metering container and sleeved at the top end of the metering container.

Furthermore, the sealing cover is sleeved with a liquid inlet pipe interface and a mass flow meter interface.

Furthermore, the metering container is made of transparent materials, and scales are arranged on the metering container.

Further, the metering container has a volume of 20-50 mL.

The working principle of the automatic oil-water metering device disclosed by the utility model is as follows:

when oil-water metering is carried out, oil-water enters the metering container through the liquid inlet pipeline; the high-definition camera collects oil-water images in the metering container in real time, the images are subjected to digital processing through an intelligent image analysis and processing technology of an intelligent numerical processing and measuring system, then secondary data optimization is carried out through binarization processing (gray values of pixel points on the images are set to be 0 or 255), corresponding parameter ratios and relative positions of oil in the metering container are obtained through data matrix point position scanning, and then parameter ratios and relative positions of total volume of the container and water are obtained. And obtaining a quantized value according to the relationship between the digitalized parameters of the image and the actual volume, thereby obtaining the volumes of the oil and the water. The collected data is stored through MySQL database software, so that historical data can be conveniently checked or other software can be conveniently called.

The device can also be used for automatically separating and metering the oil-gas-water yield of the condensate gas reservoir, oil and water are injected into a metering container connected with a mass flow meter, the mass flow meter is used for detecting the gas content, and the oil and water are metered according to the oil-water metering principle.

Compared with the prior art, the utility model has the following advantages:

the automatic oil-water metering device provided by the utility model realizes real-time monitoring and automatic metering of multi-well flow, provides data support and test basis for a test, greatly reduces the workload of experimenters, greatly improves the efficiency of the test and effectively shortens the test period. The method is suitable for measuring the liquid yield of the low-viscosity heavy oil, and can be used for automatically separating and measuring the oil-gas-water yield of the condensate gas reservoir.

The device disclosed by the utility model is simple in structure, convenient to assemble and easy to popularize and apply.

Drawings

FIG. 1 is a schematic structural view of an automatic oil-water metering device according to embodiment 1 of the present invention;

fig. 2 is an image analysis process diagram of the automatic oil-water metering device according to embodiment 1 of the present invention.

FIG. 3 is a graph of the cumulative liquid production measured by the apparatus described in example 1;

FIG. 4 is a graph showing the measured oil-water production rate by the apparatus of example 1;

FIG. 5 is a plot of water production rate measured by the apparatus described in example 1.

In the figure: 1. a liquid inlet pipeline; 2. a sealing cover; 3. a metering container; 4. a fixed mount; 5. an air outlet line; 6. a mass flow meter inlet line; 7. a mass flow meter; 8. a mass flow meter outlet port line; 9. a high-definition camera; 10. a computer; 11. and (4) a test bench.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.

In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.

Example 1

As shown in fig. 1, the automatic oil-water metering device comprises a liquid inlet pipeline 1, 13 metering containers 3, 13 fixing frames 4, a mass flowmeter 7, a high-definition camera 9 and a computer 10;

the liquid inlet pipeline 1 is connected with the metering containers 3, one of the meters 3 is connected with the mass flow meter 7 through a pipeline, and the mass flow meter 7 is connected with the computer 10; 2 high-definition cameras 9 are arranged opposite to the metering container 3, so that the change condition of the liquid level of each metering container can be clearly recorded; the high-definition camera 9 is connected with a computer 10; the measuring container 3 is fixed by a fixing frame 5. The device is placed on a laboratory bench 11.

The top of the metering container 3 is provided with a sealing cover 2, and the sealing cover 2 is sleeved at the top end of the metering container 3.

The sealing cover 2 is sleeved with a liquid inlet pipe interface and a mass flow meter interface.

The metering container 3 is made of transparent materials, scales are arranged on the metering container 3, and the volume of the metering container 3 is 20 mL.

The working principle of the automatic oil-water metering device is as follows:

when oil and water are measured, oil and water enter the measuring container 3 through the liquid inlet pipeline 1; the high-definition camera 9 collects oil-water images in the metering container 3 in real time, the images are subjected to digital processing through an image intelligent analysis and processing technology of a computer 10 intelligent numerical processing and measuring system, then secondary data optimization is performed through binarization processing (gray values of pixel points on the images are set to be 0 or 255), corresponding parameter ratios and relative positions of oil in the metering container are obtained through data matrix point position scanning, and further parameter ratios and relative positions of total volume of the container and water are obtained. And obtaining a quantized value according to the relationship between the digitalized parameters of the image and the actual volume, thereby obtaining the volumes of the oil and the water. The collected data is stored through MySQL database software, so that historical data can be conveniently checked or other software can be conveniently called.

The device can also be used for condensate gas reservoir oil gas water yield's autosegregation and measurement, pours into profit into the measurement container of connecting mass flow meter into, and mass flow meter is used for detecting gas content, and the measurement of profit is as above-mentioned profit measurement principle.

All parts and parts which are not discussed in the utility model and the connection mode of all parts and parts in the application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An automatic oil-water metering device is characterized by comprising a liquid inlet pipeline, a plurality of metering containers, a plurality of fixing frames, a high-definition camera and a computer;

the liquid inlet pipeline is connected with a metering container, and the metering container is fixed through a fixing frame; a plurality of high-definition cameras are arranged opposite to the metering containers, so that the change condition of the liquid level of each metering container can be clearly recorded; each high-definition camera is connected with the computer.

2. The automatic oil-water metering device of claim 1, further comprising a mass flow meter connected with the metering device through a pipeline, wherein the mass flow meter is connected with the computer.

3. The automatic oil-water metering device as claimed in claim 1, wherein a sealing cover is arranged on the top of the metering container and is sleeved on the top end of the metering container.

4. The automatic oil-water metering device of claim 3, wherein the sealing cover is sleeved with an inlet pipe interface and a mass flow meter interface.

5. The automatic oil-water metering device of claim 1, wherein the metering container is made of transparent material and is provided with scales.

6. The automatic oil and water metering device of claim 1, wherein the volume of the metering container is 20-50 mL.

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