CN103063261B - Mixed fluid working condition measurement system for oil exploitation - Google Patents
Mixed fluid working condition measurement system for oil exploitation Download PDFInfo
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- CN103063261B CN103063261B CN201310007726.3A CN201310007726A CN103063261B CN 103063261 B CN103063261 B CN 103063261B CN 201310007726 A CN201310007726 A CN 201310007726A CN 103063261 B CN103063261 B CN 103063261B
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- oil
- calibration device
- differential pressure
- water condition
- density calibration
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Abstract
The invention provides a mixed fluid working condition measurement system for oil exploitation. A sliding vane flowmeter in the measurement system is provided with four sliding vanes used for partitioning a container into four areas, and fluid enters the container prior to entering a measurement area by means of rotation of the sliding vanes and then flows out of the sliding vane flowmeter after measurement. An upper cover plate of the sliding vane flowmeter is connected with a flow collection pipe through a pipeline, a lower cover plate of the sliding vane flowmeter is connected with the flow collection pipe through a right-angled differential pressure sensor, the bottom of a round pipe of the sliding vane flowmeter is connected with the flow collection pipe through a linear differential pressure sensor, the linear differential pressure sensor is further connected with a computer control system, and an upper end and a lower end of a calibrating pipe in an oil-water working condition density calibrator are fixedly connected with shut-off valves respectively. The mixed fluid working condition measurement system for oil exploitation is capable of achieving continuous online detection and measurement of mixed fluids in oil, natural gas and formation water working conditions during oil exploitation, and mixed fluid measurement precision can be improved.
Description
Technical field
The invention belongs to oil exploitation and oil refining technical field, be specifically related to fluid-mixing operating mode Flow Measuring System for a kind of oil exploitation, in oil exploitation process, oil, rock gas and local water fluid-mixing on-line continuous under working condition detects measuring apparatus.
Background technology
Utility model (the patent No.: ternary fluid ZL201020504164.5) relating in document exists larger error regardless of the method for measuring gas, liquid composition by differential pressure transmitter and liquid level sensor from on-line measurement instrument.In actual condition, gas, liquid often wrap up mutually, are difficult to form simple gas, liquid stratification state, cause existing very large measuring error.
Summary of the invention
The precision detecting by fluid-mixing on-line continuous in order to improve oil exploitation, the invention provides fluid-mixing operating mode Flow Measuring System for a kind of oil exploitation.Can be in oil exploitation process, oil, rock gas and local water fluid-mixing on-line continuous under working condition detects measuring apparatus.
Fluid-mixing operating mode Flow Measuring System for oil exploitation of the present invention, is characterized in, described fluid-mixing operating mode Flow Measuring System comprises fluid-mixing operating mode flowmeter, oil-water condition density calibration device; Described fluid-mixing operating mode flowmeter contains blade flowmeter, a word differential pressure pick-up, right angle differential pressure pick-up, header, pipeline and control system; Wherein, blade flowmeter forms closed container by upper cover plate, lower cover, pipe, in the middle of closed container, four scraper plates are housed container is separated into four regions, fluid is rotated and is entered measured zone by scraper plate after entering closed container by induction pipe, after measurement, flows out blade flowmeter again by rotating by outlet; Upper cover plate at blade flowmeter is connected with the upper end of header by pipeline, connects a measuring junction of right angle differential pressure pick-up at the lower cover of blade flowmeter measured zone, and another measuring junction of right angle differential pressure pick-up is connected with the lower end of header; A measuring junction that connects a word differential pressure pick-up in the pipe bottom of blade flowmeter, another measuring junction of a word differential pressure pick-up is connected with header, and described a word differential pressure pick-up, right angle differential pressure pick-up are also connected with control system respectively; Current collector is hollow container, and top is provided with liquid filling hole; Current collector is connected by the first movable joint with the pipeline of blade flowmeter top; Current collector is connected by the second movable joint, the 3rd movable joint respectively with a word differential pressure pick-up, right angle differential pressure pick-up; Described oil-water condition density calibration device consists of calibrating tube, the first shutoff valve, the second shutoff valve; Calibrating tube is hollow container, and calibrating tube upper end is fixedly connected with the first shutoff valve, and calibrating tube lower end is fixedly connected with the second shutoff valve.
The described scaling method of oil-water condition density calibration device for measuring system, in turn includes the following steps:
A) under working condition, from oil country tubular good, to get fluid-mixing and enter oil-water condition density calibration device five minutes, the first shutoff valve and the second shutoff valve are closed simultaneously;
B) oil-water condition density calibration device transfers plumbness to by horizontality, and within 12 hours, fluid to be mixed is cooled to normal temperature state;
C) oil-water condition density calibration device is weighed, obtain the weight of oil-water condition density calibration device;
D) open oil-water condition density calibration device the first shutoff valve, discharge oil-water condition density calibration device pressure to normal pressure;
E) use level height in tape measure oil-water condition density calibration device;
F) oil of oil-water condition density calibration device is removed, claim oil-water condition density calibration amount of thinking highly of, try to achieve oil-water condition density calibration device Zhong Shui and oily weight;
G) measure the height of water in oil-water condition density calibration device, try to achieve the volume of oil and water;
I) calculate water and oily density, obtain the actual value of oil density and water-mass density.
Fluid-mixing operating mode flowmeter survey principle of the present invention is on the basis of conventional flowmeter, by increasing by two above differential pressure pick-ups, by the Oil, Water, Gas body flow measurement in fluid-mixing out; Oil density in oil well
and water-mass density
be metastable within a certain period of time, the method that therefore can demarcate by oil-water condition density calibration device obtains the oil density under working condition
and water-mass density
, obtain oil density
and water-mass density
actual value after, by oil density
and water-mass density
store in fluid-mixing operating mode flowmeter control system as after input parameter, fluid-mixing operating mode flowmeter can be measured fluid-mixing, obtains the every flow of Oil, Water, Gas body wherein.
Fluid-mixing operating mode flow measurement system for oil exploitation of the present invention can realize oil, rock gas and local water fluid-mixing on-line continuous under working condition and detect metering in oil exploitation process, can improve fluid-mixing measuring accuracy.
Accompanying drawing explanation
Fig. 1 is the fluid-mixing operating mode flowmeter structure schematic diagram in the present invention;
Fig. 2 is the vertical view of the fluid-mixing operating mode flowmeter in the present invention;
Fig. 3 is the oil-water condition density calibration device structural representation in the present invention;
In figure, 1. blade flowmeter 2. pipeline 3. liquid filling hole 4. header 5. 1 word differential pressure pick-up 6. right angle differential pressure pick-up 7. movable joint 8. induction pipe 9. outlet 10. first shutoff valve 11. calibrating tube 12. second shutoff valve 13. scraper plate 14. upper cover plate 15. lower cover 16. pipes.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
Fig. 1 is the fluid-mixing operating mode flowmeter structure schematic diagram in the present invention, and Fig. 2 is the vertical view of the fluid-mixing operating mode flowmeter in the present invention, and Fig. 3 is the oil-water condition density calibration device structural representation in the present invention.In Fig. 1～Fig. 3, multinomial fluid-mixing operating mode Flow Measuring System for oil exploitation of the present invention, comprises fluid-mixing operating mode flowmeter, oil-water condition density calibration device; Described fluid-mixing operating mode flowmeter contains blade flowmeter 1, a word differential pressure pick-up 5, right angle differential pressure pick-up 6, header 4, pipeline 2 and control system; Wherein, blade flowmeter 1 forms closed container by upper cover plate 14, lower cover 15, pipe 16, in the middle of closed container, four scraper plates are housed container is separated into four regions, fluid is rotated and is entered measured zone by scraper plate after entering closed container by induction pipe 8, after measurement, flows out blade flowmeter 1 again by rotating by outlet 9.In the present embodiment, scraper plate 13 is in four scraper plates of blade flowmeter 1.Upper cover plate 14 at blade flowmeter 1 is connected with the upper end of header 4 by pipeline 2, a measuring junction that connects right angle differential pressure pick-up 6 at the lower cover 15 of blade flowmeter 1 measured zone, another measuring junction of right angle differential pressure pick-up 6 is connected with the lower end of header 4; A measuring junction that connects a word differential pressure pick-up 5 in pipe 16 bottoms of blade flowmeter 1, another measuring junction of a word differential pressure pick-up 5 is connected with header 4, and described a word differential pressure pick-up 5, right angle differential pressure pick-up 6 are also connected with control system respectively; Current collector 4 is hollow container, and top is provided with liquid filling hole 3; Current collector 4 is connected by the first movable joint 7 with the pipeline 2 of blade flowmeter 1 top; Current collector 4 and a word differential pressure pick-up 5 by the second movable joint be connected, current collector 4 is connected by the 3rd movable joint with right angle differential pressure pick-up 6, described the first movable joint 7, the second movable joint, the 3rd movable joint structure are all identical.
Described oil-water condition density calibration device consists of calibrating tube 11, the first shutoff valve 10, the second shutoff valve 12; Calibrating tube 11 is hollow container, and calibrating tube 11 upper ends are fixedly connected with the first shutoff valve 10, and calibrating tube 11 lower ends are fixedly connected with the second shutoff valve 12.
The described scaling method of oil-water condition density calibration device for measuring system, in turn includes the following steps:
A) under working condition, from oil country tubular good, to get fluid-mixing and enter oil-water condition density calibration device five minutes, the first shutoff valve 10 and the second shutoff valve 12 are closed simultaneously;
B) oil-water condition density calibration device transfers plumbness to by horizontality, and within 12 hours, fluid to be mixed is cooled to normal temperature state;
C) oil-water condition density calibration device is weighed, obtain the weight of oil-water condition density calibration device;
D) open oil-water condition density calibration device the first shutoff valve 10, discharge oil-water condition density calibration device pressure to normal pressure;
E) use level height in tape measure oil-water condition density calibration device;
F) oil of oil-water condition density calibration device is removed, claim oil-water condition density calibration amount of thinking highly of, try to achieve oil-water condition density calibration device Zhong Shui and oily weight;
G) measure the height of water in oil-water condition density calibration device, try to achieve the volume of oil and water;
I) calculate water and oily density, obtain oil density
and water-mass density
actual value.
Blade flowmeter 1 in the present embodiment is commercial approved product.
Oil-water condition density calibration device in the present invention is the supplemental measurement tool of fluid-mixing operating mode flowmeter, by oil-water condition density calibration device according to oil-water condition density calibration flow process, by oil density in oil well
and water-mass density
demarcate, obtain oil density
and water-mass density
actual value after, two density values are stored in fluid-mixing operating mode flowmeter control system after input parameter, fluid-mixing operating mode flowmeter can be measured fluid-mixing, obtains the every flow of Oil, Water, Gas body wherein.
Claims (2)
1. a multinomial fluid-mixing operating mode Flow Measuring System for oil exploitation, is characterized in that: described fluid-mixing operating mode Flow Measuring System comprises fluid-mixing operating mode flowmeter, oil-water condition density calibration device; Described fluid-mixing operating mode flowmeter contains blade flowmeter (1), a word differential pressure pick-up (5), right angle differential pressure pick-up (6), header (4), pipeline (2) and control system; Wherein, blade flowmeter (1) forms closed container by upper cover plate (14), lower cover (15), pipe (16), in the middle of closed container, four scraper plates are housed container is separated into four regions, fluid is rotated and is entered measured zone by scraper plate after entering closed container by induction pipe (8), after measurement, flows out blade flowmeter (1) again by rotating by outlet (9); Upper cover plate (14) in blade flowmeter (1) is connected with the upper end of header (4) by pipeline (2), a measuring junction that connects right angle differential pressure pick-up (6) at the lower cover (15) of blade flowmeter (1) measured zone, another measuring junction of right angle differential pressure pick-up (6) is connected with the lower end of header (4); A measuring junction that connects a word differential pressure pick-up (5) in pipe (16) bottom of blade flowmeter (1), another measuring junction of one word differential pressure pick-up (5) is connected with header (4), and described a word differential pressure pick-up (5), right angle differential pressure pick-up (6) are also connected with control system respectively; Current collector (4) is hollow container, and top is provided with liquid filling hole (3); Current collector (4) is connected by the first movable joint (7) with the pipeline (2) of blade flowmeter (1) top; Current collector (4) is connected by the second movable joint, the 3rd movable joint respectively with a word differential pressure pick-up (5), right angle differential pressure pick-up (6); Described oil-water condition density calibration device consists of calibrating tube (11), the first shutoff valve (10), the second shutoff valve (12); Calibrating tube (11) is hollow container, and calibrating tube (11) upper end is fixedly connected with the first shutoff valve (10), and calibrating tube (11) lower end is fixedly connected with the second shutoff valve (12).
2. the scaling method of oil-water condition density calibration device for measuring system described in claim 1, in turn includes the following steps:
A) under working condition, from oil country tubular good, to get fluid-mixing and enter oil-water condition density calibration device five minutes, the first shutoff valve (10) and the second shutoff valve (12) are closed simultaneously;
B) oil-water condition density calibration device transfers plumbness to by horizontality, and within 12 hours, fluid to be mixed is cooled to normal temperature state;
C) oil-water condition density calibration device is weighed, obtain the weight of oil-water condition density calibration device;
D) open oil-water condition density calibration device the first shutoff valve (10), discharge oil-water condition density calibration device pressure to normal pressure;
E) use level height in tape measure oil-water condition density calibration device;
F) oil of oil-water condition density calibration device is removed, claim oil-water condition density calibration amount of thinking highly of, try to achieve oil-water condition density calibration device Zhong Shui and oily weight;
G) measure the height of water in oil-water condition density calibration device, try to achieve the volume of oil and water;
H) calculate water and oily density, obtain the actual value of oil density and water-mass density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007726.3A CN103063261B (en) | 2013-01-10 | 2013-01-10 | Mixed fluid working condition measurement system for oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007726.3A CN103063261B (en) | 2013-01-10 | 2013-01-10 | Mixed fluid working condition measurement system for oil exploitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103063261A CN103063261A (en) | 2013-04-24 |
| CN103063261B true CN103063261B (en) | 2014-10-22 |
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|---|---|---|---|
| CN201310007726.3A Expired - Fee Related CN103063261B (en) | 2013-01-10 | 2013-01-10 | Mixed fluid working condition measurement system for oil exploitation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11631533B2 (en) * | 2017-12-30 | 2023-04-18 | Hitachi Energy Switzerland Ag | System for sensor utilization in a transformer cooling circuit |
| CN110318732A (en) * | 2019-07-24 | 2019-10-11 | 四川速荣科技有限公司 | One kind being used for single oil well oil-water flowmeter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995002164A1 (en) * | 1993-07-07 | 1995-01-19 | Ic Sensors, Inc. | Pulsed thermal flow sensor system |
| CN2697601Y (en) * | 2004-05-15 | 2005-05-04 | 浙江大学 | Oil and water two-phase measurer based no Venturi tube and spring scraper flow meter |
| CN100398998C (en) * | 2005-12-31 | 2008-07-02 | 西安开尔能源工程有限责任公司 | Crude oil-natural gas-water three-phase flow meter |
| CN2881590Y (en) * | 2005-12-31 | 2007-03-21 | 西安开尔能源工程有限责任公司 | Water containing sampling device of crude oil, natural gas, water three-phase flow meter |
| CN203053501U (en) * | 2013-01-10 | 2013-07-10 | 四川省科学城科杰科技有限公司 | Mixed fluid working condition flow measuring system for oil exploitation |
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2013
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