CN102564520A - Automatic oil-water metering device and automatic oil-water metering method - Google Patents
Automatic oil-water metering device and automatic oil-water metering method Download PDFInfo
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- CN102564520A CN102564520A CN201110308345XA CN201110308345A CN102564520A CN 102564520 A CN102564520 A CN 102564520A CN 201110308345X A CN201110308345X A CN 201110308345XA CN 201110308345 A CN201110308345 A CN 201110308345A CN 102564520 A CN102564520 A CN 102564520A
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Abstract
The invention relates to an automatic oil-water metering device and an automatic oil-water metering method, which mainly solve the problems of high metering difficulty and unbalanced filling quantity of each layer in gas filling of an existing general water injection wellhead. The automatic oil-water metering device is characterized in that an electrode (6) connected with a power source (11) is arranged in an oil-water separating device (1), and a water outlet pipeline (15) at the bottom of the oil-water separating device (1) is connected with a sealed container (8) which is placed on an electronic balance (12). A video camera (2) is fixed onto a tank (5) and placed on the left of the oil-water separating device (1), and a light source (3) is arranged on the right of the oil-water separating device (1) at a position corresponding to the video camera (2). The automatic oil-water metering device is capable of realizing automatic metering and convenient in operation, and the automatic oil-water metering method using the automatic oil-water metering device is accurate in metering result.
Description
Technical field
The present invention relates to the indoor physical simulation oil displacement experiment field in the petroleum industry, a kind of specifically profit self-measuring device and method.
Background technology
[0002] in petroleum industry, field test plays an important role the indoor physical simulation oil displacement experiment in earlier stage in the oil field.Oil-water metering method in the present indoor oil displacement experiment output liquid generally all adopts graduated cylinder to carry out human metering, because the amount of oil is less in the output liquid, the amount of water is more; When measuring with graduated cylinder; Need the staff regularly to change graduated cylinder, the oil of output is distributed in each graduated cylinder, so the Sheng oil mass in each graduated cylinder is less; And each reading all can produce error, and so repeatedly reading adds up at last and can produce cumulative errors.Therefore, conventional metering method wastes time and energy, and oil, water measure inaccurate.
At present, profit automatic gauge method public in oil exploitation mainly is used for industry, and is used for the less of laboratory oil-water metering.Wherein the patent No. is that 200420049429.1 a kind of microflowmeter measuring device that is used for high moisture, low produce oil and the patent No. are to increase on the metering accuracy of 200520127115.3 direct-reading oil and water separation gauge line, but automaticity is lower.And the automaticity of the patent No. to be 20101016116.3 the oil-water metering instrument and the patent No. be 201020296020.5 oil gas water three phase self-measuring device is very high, but device is complicated, and metering accuracy is poor.
Summary of the invention
Current experiments chamber oil-water metering device and method is oily in order to overcome, water measures inaccurate deficiency; The present invention provides a kind of profit self-measuring device and method; This profit self-measuring device can be realized automatic gauge, easy to operate, adopts the metering method metering result of this device accurate.
Technical scheme of the present invention is: a kind of profit self-measuring device; Comprise casing and inner oily-water seperating equipment thereof; Described oily-water seperating equipment bottom is provided with mixed inlet line of profit and water outlet pipeline; Described oily-water seperating equipment inside is provided with the electrode that links to each other with power supply, and the water outlet pipeline of oily-water seperating equipment bottom is connected with airtight container, and described sealing airtight container is placed on the electronic balance; Be fixed with video camera on the described casing, and described video camera places the left side of oily-water seperating equipment, oily-water seperating equipment right side and video camera corresponding section are provided with light source.
Described pneumatic valve is connected with the gases at high pressure pipeline, and through solenoid control, is provided with white light-passing board between described light source and the oily-water seperating equipment; Described electronic balance and video camera all connect computing machine.
A kind of profit automatic gauge method of using above-mentioned profit self-measuring device; May further comprise the steps: select oily-water seperating equipment, the profit mixture gets into oily-water seperating equipment by the mixed inlet line of profit and makes oil and water separation, when water increases; Electrode is communicated with makes power connection; The control pneumatic valve is opened, and water gets into airtight container, through the weight of water in the electronic balance periodic measurement airtight container; Regularly take oily image through video camera, according to the oily height of the gray analysis of image, through the volume of COMPUTER CALCULATION oil.
The present invention has following beneficial effect: owing to take such scheme; The present invention has adopted the metering method of crude oil accumulation, and what of oil offtake the oily-water seperating equipment internal diameter can be selected according to, and the profit mixture gets into tripping device by the bottom; The Water in oil amount of accumulation is less; The metering result of oil is accurate, and video camera is controlled in real time and taken the accumulation oil mass, and measure automatically, the calculating cumulative oil mass; Water flows out through pneumatic valve control, by the electronic balance automatic gauge.In sum, measuring accuracy of the present invention is high, automaticity is high, easy to operate.
Description of drawings:
Fig. 1 is a schematic diagram of the present invention.
1-oily-water seperating equipment among the figure, 2-video camera, 3-light source, 4-white light-passing board, 5-casing; The 6-electrode, 7-pneumatic valve, 8-airtight container, 9-solenoid valve, 10-gases at high pressure pipeline; The 11-power supply, the 12-electronic balance, the 13-computing machine, the 14-profit mixes inlet line, and 15-water goes out pipeline.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described further:
By shown in Figure 1, a kind of profit self-measuring device comprises casing 5 and inner oily-water seperating equipment 1 thereof; Described oily-water seperating equipment 1 bottom is provided with mixed inlet line 14 of profit and water outlet pipeline 15, and described oily-water seperating equipment 1 inside is provided with the electrode 6 that links to each other with power supply 11, and the two poles of the earth of electrode 6 are located at respectively in oil, the water; The height of its upper electrode preestablishes; Electrode 6 connects power supply 11, and power supply 11 connects solenoid valve 9 again simultaneously, and the water outlet pipeline 15 of oily-water seperating equipment 1 bottom is connected with airtight container 8 through pneumatic valve 7; Described sealing airtight container 8 is placed on the electronic balance 12; Why airtight container 8 will seal, and is in order to prevent long-time metering, accumulation water Influence of Evaporation metering result.Described pneumatic valve 7 also connects gases at high pressure pipeline 10, and it starts and closes by solenoid valve 9 controls; Be fixed with video camera 2 on the described casing 5; And described video camera 2 places the left side of oily-water seperating equipment 1; Its position should guarantee when taking, can photograph the integral body of oily-water seperating equipment 1; Oily-water seperating equipment 1 right side and video camera 2 corresponding sections are provided with light source 3, are provided with white light-passing board 4 between light source 3 and the oily-water seperating equipment 1, make light equably illumination on oily-water seperating equipment 1.Described electronic balance 12 and video camera 2 all connect computing machine 13, and data measured and picture shot get fuel-displaced, water volume after handling through computing machine 13.
A kind of profit automatic gauge method of using above-mentioned profit self-measuring device may further comprise the steps:
(1) select a kind of internal diameter can satisfy the oily-water seperating equipment 1 of experimental precision requirement according to actual needs; Above-mentioned experimental precision requires to refer to the oil-water metering precision; The experimenter sets according to requirement of experiment oneself, and the different users requires difference, in general; Should be according to the internal diameter of how much selecting oily-water seperating equipment of oil offtake in the experiment; Simultaneously measuring accuracy requires the high little oily-water seperating equipment of diameter of then selecting for use, can be 1.2cm, 1.6cm, 2.2cm, 2.7cm etc. like the internal diameter of oily-water seperating equipment, highly is 20cm.
(2) the profit mixture gets into oily-water seperating equipment 1 by the mixed inlet line 14 of profit and makes oil and water separation, and when water increased water surface arrival upper electrode, electrode 6 is communicated with connected power supply 11; Solenoid valve 9 starts, and gases at high pressure in the gases at high pressure pipeline 10 and pneumatic valve 7 are connected, and pneumatic valve 7 is opened; The water of oily-water seperating equipment 1 bottom gets into airtight container 8, and after the water outflow was a certain amount of, the water surface in the oily-water seperating equipment 1 descended; Be lower than upper motor, electrode 6 is broken off, thus deenergization 11; Control pneumatic valve 7 cuts out, and water stops to flow to airtight container 8.
(3) weight through water in the electronic balance 12 periodic measurement airtight containers 8; Can preestablish according to actual needs measuring period; Can be 60s, 120s, 300s, 600s etc.; Because it is the electrode control water level is stable, and water production rate is bigger in the oil displacement experiment process, accurate to accumulation water metering result through electronic balance.
(4) oil that gets in the oily-water seperating equipment 1 is accumulated on the water surface, at first adjusts the focal length of video camera 2, makes image reach clear, and the gray scale of uncalibrated image before metering then is so that the accurate border of the oil in the recognition image of software.Computing machine 13 control video cameras 2 are every takes a high-resolution black white image at a distance from 60s (or 120s, 300s, 600s etc. set according to actual needs); The resolution of image can be 1024*768 pixel, 1280*960 pixel, 1280*1024 pixel, is to set according to actual needs equally.With water-oil interface is datum line, with software image is handled, and analyzes oily height according to the gray scale of image, and the internal diameter according to oily-water seperating equipment calculates the different volumes of oil constantly then.The volume of last computing machine output different time oil and water.
Embodiment one:
Natural core, the long 8.99cm of rock core, diameter 2.52cm, perm-plug method 0.873 μ m, voidage 12.7mL, oil saturation 68.3% are used in experiment.Experimentation is a water drive-gather and drive-follow-up water drive.Experiment is every, and image resolution ratio is selected the 1280*960 pixel for use at a distance from 600s record once oil, aquatic products amount, and the oily-water seperating equipment internal diameter is 1.2cm, and rock core output water in the oil displacement experiment process, oil measurement data are as shown in table 1.
Can find out that by table 1 oil displacement experiment output oil mass is less, adopt apparatus and method metering oil mass of the present invention accurate, not have abnormity point.The experiment water production rate is bigger, adopts metering method of the present invention can satisfy requirement of experiment.
Table 1 output liquid oil-water metering data
| Time (min) | Injection rate IR (ml) | Water production rate (ml) | Oil offtake (ml) | Remarks |
| 0 | 0 | 0.0 | 0.0 | |
| 10 | 2 | 0.0 | 1.8 | Water drive |
| 20 | 4 | 0.0 | 3.8 | Water drive |
| 30 | 6 | 0.0 | 5.2 | Water drive |
| 40 | 8 | 0.9 | 5.7 | Water drive |
| 50 | 10 | 2.8 | 6.0 | Water drive |
| 60 | 12 | 4.5 | 6.4 | Water drive |
| 70 | 14 | 6.2 | 6.5 | Water drive |
| 80 | 16 | 8.1 | 6.6 | Water drive |
| 90 | 18 | 10.0 | 6.6 | Water drive |
| 100 | 20 | 11.7 | 6.7 | Water drive |
| 110 | 22 | 13.6 | 6.8 | Water drive |
| 120 | 24 | 15.5 | 6.8 | Water drive |
| 130 | 26 | 17.5 | 7.0 | Water drive |
| 140 | 28 | 19.3 | 7.0 | Water drive |
| 150 | 30 | 20.9 | 7.1 | Water drive |
| 160 | 32 | 22.9 | 7.1 | Water drive |
| 170 | 34 | 24.6 | 7.2 | Water drive |
| 180 | 36 | 26.5 | 7.2 | Water drive |
| 190 | 38 | 28.3 | 7.3 | Water drive |
| 200 | 40 | 31.2 | 7.3 | Water drive |
| 210 | 42 | 32.3 | 7.3 | Water drive |
| 220 | 44 | 34.0 | 7.4 | Polymer flooding |
| 230 | 46 | 36.7 | 7.5 | Polymer flooding |
| 240 | 48 | 38.5 | 7.6 | Polymer flooding |
| 250 | 50 | 40.8 | 7.8 | Polymer flooding |
| 260 | 52 | 42.4 | 8.0 | Polymer flooding |
| 270 | 54 | 44.2 | 8.4 | Follow-up water drive |
| 280 | 56 | 45.7 | 8.8 | Follow-up water drive |
| 290 | 58 | 48.0 | 8.9 | Follow-up water drive |
| 300 | 60 | 49.5 | 9.0 | Follow-up water drive |
| 310 | 62 | 51.5 | 9.1 | Follow-up water drive |
| 320 | 64 | 53.3 | 9.2 | Follow-up water drive |
| 330 | 66 | 55.4 | 9.2 | Follow-up water drive |
| 340 | 68 | 57.3 | 9.3 | Follow-up water drive |
| 350 | 70 | 59.1 | 9.3 | Follow-up water drive |
Claims (4)
1. profit self-measuring device; Comprise casing (5) and inner oily-water seperating equipment (1) thereof; Described oily-water seperating equipment (1) bottom is provided with mixed inlet line (14) of profit and water outlet pipeline (15); It is characterized in that: described oily-water seperating equipment (1) inside is provided with the electrode (6) that links to each other with power supply (11); The water outlet pipeline (15) of oily-water seperating equipment (1) bottom is connected with airtight container (8), and described sealing airtight container (8) is placed on the electronic balance (12); Be fixed with video camera (2) on the described casing (5), and described video camera (2) places the left side of oily-water seperating equipment (1), oily-water seperating equipment (1) right side and video camera (2) corresponding section are provided with light source (3).
2. oily-water seperating equipment according to claim 1; It is characterized in that: described pneumatic valve (7) is connected with gases at high pressure pipeline (10); And, be provided with white light-passing board (4) between described light source (3) and the oily-water seperating equipment (1) through solenoid valve (9) control.
3. oily-water seperating equipment according to claim 2 is characterized in that: described electronic balance (12) and video camera (2) all connect computing machine (13).
4. an application rights requires the profit automatic gauge method of 1 described profit self-measuring device; It is characterized in that may further comprise the steps: select oily-water seperating equipment (1); The profit mixture gets into oily-water seperating equipment (1) by the mixed inlet line (14) of profit and makes oil and water separation; When water increased, electrode (6) is communicated with connected power supply (11), and control pneumatic valve (7) is opened; Water gets into airtight container (8), through the weight of the interior water of electronic balance (12) periodic measurement airtight container (8); Regularly take oily image through video camera (2), according to the oily height of the gray analysis of image, through the volume of COMPUTER CALCULATION oil.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889907A (en) * | 2012-09-06 | 2013-01-23 | 北京信息科技大学 | Flow monitoring device and flow monitoring method based on visual inspection |
| CN107167341A (en) * | 2017-05-17 | 2017-09-15 | 魏建军 | Two kinds of mixing liquid detecting systems |
| CN108593038A (en) * | 2017-11-24 | 2018-09-28 | 昆明理工大学 | A kind of can monitor in real time pours by the device and monitoring method of note medium grouting amount |
| CN108627412A (en) * | 2018-04-27 | 2018-10-09 | 成都理工大学 | The micro self-measuring device of fluid substitution weight method grease and method |
| CN108759971A (en) * | 2018-04-27 | 2018-11-06 | 刘鸿博 | Drain the micro self-measuring device of weight method two-phase mixtures fluid and method |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
| CN110608782A (en) * | 2018-06-15 | 2019-12-24 | 涂勇 | Online automatic micro oil-water metering system and metering method thereof |
| CN111042799A (en) * | 2020-01-15 | 2020-04-21 | 西安航空学院 | Experimental oil-water automatic metering device and metering method |
| CN113482593A (en) * | 2021-07-06 | 2021-10-08 | 邬丽颖 | Accurate metering device for oil field well head liquid production amount and oil production amount |
| CN114084928A (en) * | 2022-01-19 | 2022-02-25 | 浙江晟格生物科技有限公司 | Wastewater treatment method for accurately separating organic phase and water phase in preparation of L-idose |
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Cited By (14)
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| CN102889907B (en) * | 2012-09-06 | 2014-10-22 | 北京信息科技大学 | Flow monitoring device and flow monitoring method based on visual inspection |
| CN102889907A (en) * | 2012-09-06 | 2013-01-23 | 北京信息科技大学 | Flow monitoring device and flow monitoring method based on visual inspection |
| CN108871474A (en) * | 2017-05-11 | 2018-11-23 | 涂勇 | Online micro grease automatic metering system and its metering method |
| CN107167341A (en) * | 2017-05-17 | 2017-09-15 | 魏建军 | Two kinds of mixing liquid detecting systems |
| CN108593038A (en) * | 2017-11-24 | 2018-09-28 | 昆明理工大学 | A kind of can monitor in real time pours by the device and monitoring method of note medium grouting amount |
| CN108593038B (en) * | 2017-11-24 | 2023-09-26 | 昆明理工大学 | Device capable of monitoring grouting amount of injected medium in real time and monitoring method |
| CN108759971A (en) * | 2018-04-27 | 2018-11-06 | 刘鸿博 | Drain the micro self-measuring device of weight method two-phase mixtures fluid and method |
| CN108627412A (en) * | 2018-04-27 | 2018-10-09 | 成都理工大学 | The micro self-measuring device of fluid substitution weight method grease and method |
| CN108627412B (en) * | 2018-04-27 | 2020-09-11 | 成都理工大学 | Fluid displacement weighing method oil-water micro-quantity automatic metering device and method |
| CN110608782A (en) * | 2018-06-15 | 2019-12-24 | 涂勇 | Online automatic micro oil-water metering system and metering method thereof |
| CN111042799A (en) * | 2020-01-15 | 2020-04-21 | 西安航空学院 | Experimental oil-water automatic metering device and metering method |
| CN113482593A (en) * | 2021-07-06 | 2021-10-08 | 邬丽颖 | Accurate metering device for oil field well head liquid production amount and oil production amount |
| CN113482593B (en) * | 2021-07-06 | 2022-12-13 | 河南亚盛电气有限责任公司 | Accurate metering device for oil field well head liquid production amount and oil production amount |
| CN114084928A (en) * | 2022-01-19 | 2022-02-25 | 浙江晟格生物科技有限公司 | Wastewater treatment method for accurately separating organic phase and water phase in preparation of L-idose |
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Application publication date: 20120711 |