CN2537960Y - High precision oil gas and water three phase flow automatic meter - Google Patents
High precision oil gas and water three phase flow automatic meter Download PDFInfo
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- CN2537960Y CN2537960Y CN 02224842 CN02224842U CN2537960Y CN 2537960 Y CN2537960 Y CN 2537960Y CN 02224842 CN02224842 CN 02224842 CN 02224842 U CN02224842 U CN 02224842U CN 2537960 Y CN2537960 Y CN 2537960Y
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Abstract
The utility model relates to a high-precision oil-gas-water three-phase flow auto measuring instrument, consisting essentially of a reverse U shaped tube, a temperature sensor, a pressure sensor, a pressure differential sensor, a three-phase flow mixing valve, a gas-liquid separation communication device, a microwave water content analysis communication device, a signal processing device, a display, and a printer. The temperature sensor and the pressure sensor are positioned on the main input pipeline; the pressure differential sensor is connected between the rising section and the descending section of the reserve U shaped tube; the gas-liquid separation communication device is positioned at the level section of the reserve U shaped section; the microwave water content analysis communication device is connected between the downward vertical end of the gas-liquid separation communication device and the descending section of the reverse U shaped tube that are respectively connected to the signal processing device through cables. The measuring instrument is characterized by wholly automation, high precision, free of pollution, and in that the utility model is suitable for the measuring of crude oil-natural gas-water three-phase flow from different originalities and geological conditions, and particularly, can precisely measure the flow of dense oil and crude oil containing a certain proportion of such substances as sand.
Description
Technical field
The utility model belongs to the fluid measurement technical field, exactly relates to the automatic gauge instrument of two-phase or multiphase flow of gas-liquid in a kind of oil-gas-water three phase flow quantity and other engineering.
Background technology
The flow system that oil-gas-water three-phase flow is made up of crude oil, natural G﹠W.The metering of three-phase stream is the problem that scientific and technological circle and industry member are studied energetically always, has formed various measuring methods.Generally speaking, can be divided into separate type metering and online metering two big classes.The gordian technique of separate type metering is to separate, the shortcoming of these class methods be the equipment complexity, huge, cost is very high, is difficult to be applied to disperse the metering of oil well, offshore platform, subsea pipeline.Be accompanied by the development of automatic gauge technology, various forms of online three-phase flow automatic measuring equipment obtain fast development, as " the crude oil gas water multiphase flow rates measuring method and the device thereof " of CN1259657A patent announcement and " the oil-gas-water three phase flow quantity measurement mechanism " of CN2277514 patent announcement.In the method for measuring three-phase flow and device of these announcements, traditional inverted U pipe and Venturi tube have generally been adopted in the metering of void fraction and flow, and the measurement of water percentage is a technical difficulty maximum in the three-phase flow instrument, how different various novel method for measuring three-phase flow and the device of deriving thus of method.The device that the CN1259657A patent is announced adopts heating to the measurement of water percentage, and there is the big problem of error in dipping in this kind method to big flow, three-phase flow that the water percentage variation range is big.The device that the CN2277514 patent is announced adopts the gamma-rays method to measure water percentage, and can not accomplish to measure almost is 100% water percentage, and gamma-rays has harm to human body and to automatic pollution.
Summary of the invention
The purpose of this utility model is in order to overcome problems of the prior art, a kind of high precision oil-gas-water three phase flow quantity automatic gauge instrument is provided, it has utilized gas-liquid separation communication apparatus and microwave analysis method to measure the water percentage technology in the design, makes it have high precision, pollution-free, the characteristics that adapt to the three-dimensional flow metering in the different places of production.
This purpose realizes with following technical proposal: high precision oil-gas-water three phase flow quantity automatic gauge instrument, it comprises signal processing apparatus, display, fall " U " type pipe, device has temperature sensor on the trunk line that " U " type pipe input end that falls connects, pressure transducer, the ascent stage and the descending branch of " U " type pipe are connected to the flow pressure gap sensor respectively, the output terminal of " U " type pipe is connected to three-phase stream mixing valve, the horizontal segment of " U " type pipe is provided with a gas-liquid separation communication apparatus, this gas-liquid separation communication apparatus is a kind of column shape, and its inside is the formed body of spiral type pipe.Hold vertically downward at the gas-liquid separation communication apparatus to be provided with isocon, the isocon other end is provided with microwave bearing analysis communication apparatus, and described microwave bearing analysis communication apparatus is made of three parts, microwave emission and the transmission of microwave emission resonance; Transmission of microwave receiving resonance and microwave receiving; Between its two parts, form column type microwave chemical reaction chamber by transmissive microwave-medium body.Microwave bearing analysis communication apparatus joins by pipeline and " U " type pipe descending branch of falling.Above each several part (not comprising the gas-liquid separation communication apparatus) links to each other with signal processing apparatus by transmission yarn separately.
The utlity model has the characteristics of full-automatic, high precision, pollution-free, the crude oil gas water three-phase flow metering that adapts to the different places of production, different geological states, particularly viscous crude, the oil flow that contains material such as certain proportion sand are carried out high-precision metering.By in oil field test of many times and application, can reach following index:
(1) measurement of water ratio scope 0-100%
(2) void fraction measurement range 0-99%
(3) measuring repeatability crude oil, water 2%; Rock gas 4%
(4) flox condition is applicable to that various flow patterns (blister, bullet shape section, plug shape, annular flow) and water are that external phase or oil are external phase, contain husky 5% situation.
Description of drawings
Fig. 1 is the whole syndeton synoptic diagram of the utility model.
Fig. 2 is the utility model microwave bearing analysis communication apparatus structural representation.
Embodiment
In conjunction with the accompanying drawings whole formation of the present utility model and principle of work thereof are done a detailed description: as shown in Figure 1, this high precision oil-gas-water three phase flow quantity automatic gauge instrument is mainly by " U " type pipe 17, temperature change sensor 1, pressure transducer 2, pressure difference transducer 3,6, gas-liquid separation communication apparatus 4, microwave bearing analysis communication apparatus 5, three-phase fluid mixing valve 7, signal processing apparatus 8, terminal display 9 and printer 10 are formed.The left end of " U " type pipe 17 of wherein falling is connected on the three-dimensional fluid input trunk line, and its right-hand member is connected on the three-phase fluid mixing valve 7, and the other end of mixing valve will be connected on the output trunk line in practice.Temperature sensor 1, pressure transducer 2 perpendicular putting are installed in the input trunk line.Pressure difference transducer 3 and 6 is connected to down in the pipe of ascent stage of " U " type pipe and descending branch, and the tie point position of two pressure difference transducers is in same surface level, and the main oil pipeline 650mm of distance.Gas-liquid separation communication apparatus 4 is a column type, is spiral type pipe in the cylinder, and its diameter is 300mm, high 600mm, it vertically is placed on down the horizontal segment of " U " type pipe, and its upper end is communicated with " U " type pipe, and the lower end is communicated with microwave bearing analysis device 5 by three-way pipe.Described microwave bearing analysis communication apparatus 5 (referring to Fig. 2) bulk shape is cylindric, and its diameter is 150mm, long 500mm, its horizontal positioned, and its upper end, center is communicated with gas-liquid separation communication apparatus 4 by three-way pipe; The lower end of center by three-way pipe after changeing 90 ° with fall the descending branch vertical connection of " U " type pipe 17.Microwave bearing analysis communication apparatus 5 mainly is made of three parts, i.e. microwave emission 11 and microwave emission resonance transmission 12; Transmission 14 of microwave receiving resonance and microwave receiving analyze 15; Between its preceding two parts, pass through microwave-medium plectane 16 shapings one cylindric microwave chemical reaction chamber 13.Described microwave emission 11, microwave emission resonance transmission 12, the transmission 14 of microwave receiving resonance and microwave receiving are analyzed 15 each several parts and are existing standard component.Foregoing temperature sensor 1, pressure transducer 2, pressure difference transducer 3,6, microwave bearing analysis communication apparatus 5 and three dimensional flow mixing valve 7 join by cable and signal processing apparatus 8 respectively separately.Signal processing apparatus 8 joins in proper order with display 9, printer 10.
The principle of work of this high precision oil-gas-water three phase flow quantity automatic gauge instrument: oil-gas-water three-phase flow flows into " U " type pipe 17 through main oil pipeline, sensor 1 provides the transient temperature value of fluid, pressure transducer 2 provides the pressure of fluid, and the process formula to calculating goes out the fluid flow under this place's certain pressure; Pressure difference transducer 3 and pressure difference transducer 6 are measured the characteristic of rising and decline fluid respectively, go out the gross density and the air content of fluid through formula to calculating; Gas-liquid separation communication apparatus 4 is through its internal helicoid type line treatment, most of gas in the oil gas water is separated, the separated gas process horizontal output pipeline of " U " type pipe flows into the descending branch of " U " type pipe, and the oil-gas-water three-phase flow (air content is reduced to a certain degree) after gas is separated flows into microwave bearing analysis communication apparatus 5 by the pipeline vertically downward (three-way pipe) of gas-liquid separation communication apparatus 4; Microwave bearing analysis communication apparatus utilizes the microwave transport property different with crude oil to water, analyzes the variation that transmits and receives microwave property, draws water cut and oleaginousness in the three-phase stream; The three-phase stream that flows out " U " type pipe is evenly mixed in mixing valve 7, and measures the total flow of fluid; The output signal of each several part is sent into signal processing apparatus 8 through special cable, and the signal of 8 pairs of inputs of signal processing apparatus carries out collection, analysis-by-synthesis and the processing of data, draws mass gas content rate, quality water percentage, total flow in the oil gas water.The result who handles gives terminal display 9 by cable or exports through printer 10.System controlling software is arranged in the signal processing apparatus, various control signals are transferred to each road analytical equipment, realize system-wide automatic control by cable.
The principle of work of microwave bearing analysis device 5 in the utility model: microwave radiating portion 11 emission wide-band microwave signals, through multiport network, microwave transmits and is divided into multiple microwave signal, the microwave of 12 pairs of transmission of microwave emission resonance transmission is sampled and analysis-by-synthesis, provides the characteristic of various microwave signals; In microwave chemical reaction chamber 13, microwave and oil-gas-water three-phase flow carry out microwave chemical reaction.In addition, in order to reach high-q cavity, need carry out special design to size, cavity port cross section and the medium plectane in microwave chemical reaction chamber 13; The microwave of 14 pairs of receptions of microwave receiving resonance hop effectively receives and samples; The microwave property that microwave receiving analysis part 15 analysis-by-synthesis receive back.The input and output signal of each several part links to each other with signal processing apparatus 8 through special cable in the microwave bearing analysis communication apparatus 5, in signal processing apparatus 8 these signals is analyzed and is assessed, and draws the water cut in the crude oil of different material content.
Claims (3)
1, a kind of high precision oil-gas-water three phase flow quantity automatic gauge instrument, it comprises signal processing apparatus (8), display (9), fall " U " type pipe (17), on the trunk line of " U " type pipe input end temperature sensor (1) is arranged, pressure transducer (2), the ascent stage and the descending branch of " U " type pipe are connected to flow pressure gap sensor (3) and (6) respectively, the output terminal of " U " type pipe is connected to three-phase stream mixing valve (7), they link to each other with signal processing apparatus (8) by transmission yarn respectively, it is characterized in that being provided with a gas-liquid separation communication apparatus (4) falling the horizontal segment of " U " type pipe (17), hold vertically downward at it and to be provided with isocon, the isocon other end is provided with microwave bearing analysis communication apparatus (5), and it joins by pipeline and " U " type pipe descending branch of falling.
2, high precision oil-gas-water three phase flow quantity automatic gauge instrument according to claim 1 is characterized in that described gas-liquid separation communication apparatus (4) is that a kind of column shape, its inside are the formed body of spiral type pipe.
3, high precision oil-gas-water three phase flow quantity automatic gauge instrument according to claim 1 is characterized in that described microwave bearing analysis communication apparatus (5), is made of three parts, and they are: microwave emission (11) and microwave emission resonance transmission (12); The transmission of microwave receiving resonance (14) and microwave receiving (15); , between its two parts, form column type microwave chemical reaction chamber (13) by transmissive microwave-medium body (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224842 CN2537960Y (en) | 2002-04-28 | 2002-04-28 | High precision oil gas and water three phase flow automatic meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224842 CN2537960Y (en) | 2002-04-28 | 2002-04-28 | High precision oil gas and water three phase flow automatic meter |
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| Publication Number | Publication Date |
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| CN2537960Y true CN2537960Y (en) | 2003-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02224842 Expired - Fee Related CN2537960Y (en) | 2002-04-28 | 2002-04-28 | High precision oil gas and water three phase flow automatic meter |
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| CN (1) | CN2537960Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004102131A1 (en) * | 2003-05-16 | 2004-11-25 | Haimo Technologies Inc. | Three-phase flow regulating means for oil, gas and water, three-phase flow measuring apparatus for oil, gas and water and measuring method thereof |
| US8025713B2 (en) | 2003-05-16 | 2011-09-27 | Haimo Technologies, Inc. | Adjustable gas-liquid centrifugal separator and separating method |
| WO2011153659A1 (en) * | 2010-06-09 | 2011-12-15 | 云南大红山管道有限公司 | Delivery pressure detecting system for long distance slurry pipeline |
| CN102322908A (en) * | 2011-08-11 | 2012-01-18 | 南通市飞宇石油科技开发有限公司 | Differential pressure type oil-gas-water three-phase metering device |
| RU2451928C1 (en) * | 2010-11-18 | 2012-05-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации | Microwave technique for determining moisture content of liquid hydrocarbons and fuel |
| CN101333924B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water flow measurement system |
| CN101333925B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water three phase on-line inseparate flow measurement system |
| CN103806894A (en) * | 2011-03-30 | 2014-05-21 | 潘军 | Device and method for measuring output liquid of coal-bed gas well |
| CN109723429A (en) * | 2019-02-23 | 2019-05-07 | 江苏华尔威科技集团有限公司 | A kind of crude oil single well gas-liquid biphase flowmeter amount device |
| CN111505024A (en) * | 2020-06-08 | 2020-08-07 | 中国电子科技集团公司第四十八研究所 | Moisture content composite detection device and detection method based on microwave technology |
-
2002
- 2002-04-28 CN CN 02224842 patent/CN2537960Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8025713B2 (en) | 2003-05-16 | 2011-09-27 | Haimo Technologies, Inc. | Adjustable gas-liquid centrifugal separator and separating method |
| US8087293B2 (en) | 2003-05-16 | 2012-01-03 | Haimo Technologies, Inc. | Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method |
| WO2004102131A1 (en) * | 2003-05-16 | 2004-11-25 | Haimo Technologies Inc. | Three-phase flow regulating means for oil, gas and water, three-phase flow measuring apparatus for oil, gas and water and measuring method thereof |
| CN101333924B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water flow measurement system |
| CN101333925B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water three phase on-line inseparate flow measurement system |
| WO2011153659A1 (en) * | 2010-06-09 | 2011-12-15 | 云南大红山管道有限公司 | Delivery pressure detecting system for long distance slurry pipeline |
| RU2451928C1 (en) * | 2010-11-18 | 2012-05-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации | Microwave technique for determining moisture content of liquid hydrocarbons and fuel |
| CN103806894A (en) * | 2011-03-30 | 2014-05-21 | 潘军 | Device and method for measuring output liquid of coal-bed gas well |
| CN102322908B (en) * | 2011-08-11 | 2012-11-14 | 南通市飞宇石油科技开发有限公司 | Differential pressure type oil-gas-water three-phase metering device |
| CN102322908A (en) * | 2011-08-11 | 2012-01-18 | 南通市飞宇石油科技开发有限公司 | Differential pressure type oil-gas-water three-phase metering device |
| CN109723429A (en) * | 2019-02-23 | 2019-05-07 | 江苏华尔威科技集团有限公司 | A kind of crude oil single well gas-liquid biphase flowmeter amount device |
| CN111505024A (en) * | 2020-06-08 | 2020-08-07 | 中国电子科技集团公司第四十八研究所 | Moisture content composite detection device and detection method based on microwave technology |
| CN111505024B (en) * | 2020-06-08 | 2023-07-04 | 中国电子科技集团公司第四十八研究所 | Composite detection device and detection method for water content based on microwave technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |