CN103063261A - 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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- CN103063261A CN103063261A CN2013100077263A CN201310007726A CN103063261A CN 103063261 A CN103063261 A CN 103063261A CN 2013100077263 A CN2013100077263 A CN 2013100077263A CN 201310007726 A CN201310007726 A CN 201310007726A CN 103063261 A CN103063261 A CN 103063261A
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- 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 a kind of oil exploitation fluid-mixing operating mode Flow Measuring System, in the oil exploitation process, oil, rock gas and local water fluid-mixing on-line continuous under working condition detects measuring apparatus.
Background technology
(patent No.: there is larger error in the ternary fluid that ZL201020504164.5) relates in the document regardless of the method for measuring gas, liquid composition by differential pressure transmitter and liquid level sensor from the on-line measurement instrument to utility model.Gas, liquid often wrap up mutually in actual condition, are difficult to form simple gas, liquid stratification state, cause existing very large measuring error.
Summary of the invention
In order to improve oil exploitation with the precision that the fluid-mixing on-line continuous detects, the invention provides a kind of oil exploitation fluid-mixing operating mode Flow Measuring System.Can be in the oil exploitation process, oil, rock gas and local water fluid-mixing on-line continuous under working condition detects measuring apparatus.
Oil exploitation of the present invention is characterized in that with fluid-mixing operating mode Flow Measuring System 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 consists of closed container by upper cover plate, lower cover, pipe, in the middle of the closed container four scraper plates are housed container is separated into four zones, fluid enters measured zone by the scraper plate rotation after entering closed container by induction pipe, flows out blade flowmeter by rotating by outlet again after the measurement; Upper cover plate at blade flowmeter is connected with the upper end of header by pipeline, and at a measuring junction of the lower cover connection right angle of blade flowmeter measured zone differential pressure pick-up, another measuring junction of right angle differential pressure pick-up is connected with the lower end of header; Connect a measuring junction of 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 a described word differential pressure pick-up, right angle differential pressure pick-up also are connected with control system respectively; Current collector is hollow container, and the top is provided with the 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 is made of calibrating tube, the first shutoff valve, the second shutoff valve; Calibrating tube is hollow container, and the calibrating tube upper end is fixedly connected with the first shutoff valve, and the calibrating tube lower end is fixedly connected with the second shutoff valve.
The described measuring system scaling method of oil-water condition density calibration device in turn includes the following steps:
A) under working condition, to get fluid-mixing from oil country tubular good and enter oil-water condition density calibration device after 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 fluid to be mixed was cooled to the normal temperature state in 12 hours;
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 with oil-water condition density calibration device removes, and claims oil-water condition density calibration amount of thinking highly of, and tries to achieve the weight of oil-water condition density calibration device Zhong Shui and oil;
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, with the Oil, Water, Gas body flow measurement in the fluid-mixing out; Oil density in the oil well
And water-mass density
Be metastable within a certain period of time, therefore can obtain by the method that oil-water condition density calibration device is demarcated the oil density under the working condition
And water-mass density
, obtain oil density
And water-mass density
Actual value after, with oil density
And water-mass density
Store in the fluid-mixing operating mode flowmeter control system as behind the input parameter, fluid-mixing operating mode flowmeter can be measured fluid-mixing, obtains the every flow of Oil, Water, Gas body wherein.
Oil exploitation of the present invention can in the oil exploitation process, realize that oil, rock gas and local water fluid-mixing on-line continuous under working condition detects metering, can improve the fluid-mixing measuring accuracy with fluid-mixing operating mode flow measurement system.
Description of drawings
Fig. 1 is the fluid-mixing operating mode flowmeter structure synoptic diagram among the present invention;
Fig. 2 is the vertical view of the fluid-mixing operating mode flowmeter among the present invention;
Fig. 3 is the oil-water condition density calibration device structural representation among the present invention;
Among the figure, 1. blade flowmeter 2. pipelines 3. liquid filling holes 4. headers, 5. 1 word differential pressure pick-ups, 6. right angle differential pressure pick-ups, 7. movable joints 8. induction pipes 9. outlets 10. first shutoff valves 11. calibrating tubes 12. second shutoff valves 13. scraper plates 14. upper cover plates 15. lower covers 16. pipes.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the fluid-mixing operating mode flowmeter structure synoptic diagram among the present invention, and Fig. 2 is the vertical view of the fluid-mixing operating mode flowmeter among the present invention, and Fig. 3 is the oil-water condition density calibration device structural representation among the present invention.In Fig. 1～Fig. 3, oil exploitation of the present invention comprises fluid-mixing operating mode flowmeter, oil-water condition density calibration device with multinomial fluid-mixing operating mode Flow Measuring System; 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 consists of closed container by upper cover plate 14, lower cover 15, pipe 16, in the middle of the closed container four scraper plates are housed container is separated into four zones, fluid enters measured zone by the scraper plate rotation after entering closed container by induction pipe 8, flows out blade flowmeters 1 by rotating by outlet 9 again after the measurement.In the present embodiment, scraper plate 13 is in four scraper plates of blade flowmeter 1 one.Upper cover plate 14 at blade flowmeter 1 is connected with the upper end of header 4 by pipeline 2, connect a measuring junction of right angle differential pressure pick-ups 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; Connect a measuring junction of 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 a described word differential pressure pick-up 5, right angle differential pressure pick-up 6 also are connected with control system respectively; Current collector 4 is hollow container, and the 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 is made 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 measuring system scaling method of oil-water condition density calibration device in turn includes the following steps:
A) under working condition, to get fluid-mixing from oil country tubular good and enter oil-water condition density calibration device after 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 fluid to be mixed was cooled to the normal temperature state in 12 hours;
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 with oil-water condition density calibration device removes, and claims oil-water condition density calibration amount of thinking highly of, and tries to achieve the weight of oil-water condition density calibration device Zhong Shui and oil;
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.
Oil among the present invention-water condition density calibration device 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, with oil density in the oil well
And water-mass density
Demarcate, obtain oil density
And water-mass density
Actual value after, two density values are stored in the fluid-mixing operating mode flowmeter control system as behind the 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. an oil exploitation is with multinomial fluid-mixing operating mode Flow Measuring System, and it 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) consists of closed container by upper cover plate (14), lower cover (15), pipe (16), in the middle of the closed container four scraper plates are housed container is separated into four zones, fluid enters measured zone by the scraper plate rotation after entering closed container by induction pipe (8), flows out blade flowmeter (1) by rotating by outlet (9) again after the measurement; Upper cover plate (14) in blade flowmeter (1) is connected with the upper end of header (4) by pipeline (2), connect a measuring junction of 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 a described word differential pressure pick-up (5), right angle differential pressure pick-up (6) also are connected with control system respectively; Current collector (4) is hollow container, and the 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 is made 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 described measuring system of claim 1 in turn includes the following steps with the scaling method of oil-water condition density calibration device:
A) under working condition, to get fluid-mixing from oil country tubular good and enter oil-water condition density calibration device after 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 fluid to be mixed was cooled to the normal temperature state in 12 hours;
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 with oil-water condition density calibration device removes, and claims oil-water condition density calibration amount of thinking highly of, and tries to achieve the weight of oil-water condition density calibration device Zhong Shui and oil;
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 |
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| 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 |
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| CN103063261A true CN103063261A (en) | 2013-04-24 |
| CN103063261B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111837463A (en) * | 2017-12-30 | 2020-10-27 | Abb电网瑞士股份公司 | Systems using sensors in transformer cooling circuits |
Citations (5)
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| 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 |
| CN1793787A (en) * | 2005-12-31 | 2006-06-28 | 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 |
-
2013
- 2013-01-10 CN CN201310007726.3A patent/CN103063261B/en not_active Expired - Fee Related
Patent Citations (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 |
| CN1793787A (en) * | 2005-12-31 | 2006-06-28 | 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111837463A (en) * | 2017-12-30 | 2020-10-27 | Abb电网瑞士股份公司 | Systems using sensors in transformer cooling circuits |
| CN111837463B (en) * | 2017-12-30 | 2023-08-04 | 日立能源瑞士股份公司 | Systems using sensors in transformer cooling circuits |
| 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 |
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| CN103063261B (en) | 2014-10-22 |
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