CN106840961A - Determine the experimental rig and method of testing of the high velocity air coefficient of friction resistance - Google Patents
Determine the experimental rig and method of testing of the high velocity air coefficient of friction resistance Download PDFInfo
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- CN106840961A CN106840961A CN201611227891.XA CN201611227891A CN106840961A CN 106840961 A CN106840961 A CN 106840961A CN 201611227891 A CN201611227891 A CN 201611227891A CN 106840961 A CN106840961 A CN 106840961A
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- injection
- column jacket
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- air accumulator
- coefficient
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
Abstract
The invention discloses a kind of experimental rig and method of testing for determining the high velocity air coefficient of friction resistance, on the basis of gas flow, pressure, temperature, density, tubing string geometry/mechanics parameter and axial strain in measure injection-production column jacket, solve the coefficient of friction resistance between gas wall, gas storage well peak regulation process high speed note gas production working condition can be simulated, filled up existing injection-production column jacket at a high speed under note gas production operating mode the inwall coefficient of friction resistance cannot accurate detection blank, can be used for the design of gas storage injection-production column jacket with Optimization of material selection analysis；Determine the pipe string internal wall coefficient of friction resistance by detecting that high velocity air flows through the information such as the temperature of inside pipe wall, flow, pressure and axial strain during note gas production tubing string, the converting algorithm of inside pipe wall temperature, flow, pressure, axial strain and the coefficient of friction resistance is integrated in data acquisition and analysis system, and test method is simple and easy to do.
Description
Technical field
The invention belongs to oil production engineering, it is related to a kind of experimental rig for determining the high velocity air coefficient of friction resistance and test side
Method.
Background technology
The presence of gas storage well injection-production column jacket frictional resistance influences huge, current injection-production column jacket frictional resistance to design of string pipe and selection
The determination of power is mainly obtained by the method for scene estimation or simple experiment analogy, and the degree of accuracy is not high.By a large amount of texts both at home and abroad
Offer and Field Research, the determination and achievement in research for gas storage well injection-production column jacket frictional resistance are less, the note based on test method
The research for adopting the Changing Pattern of string friction power is not yet carried out.In order to the frictional resistance of Accurate Prediction gas storage well injection-production column jacket needs elder generation
The accurate coefficient of friction resistance is obtained, the external determination method to the injection-production column jacket inside coefficient of friction resistance mainly passes through single-phase flowing liquid frictional resistance
Formed on the basis of coefficient formulas, and the country still lacks the prediction side of the string friction coefficient for meeting China's injection-production technology
Method and detection means.
The influence factor of gas storage well injection-production column jacket coefficient of friction resistance detection is more, how accurately to obtain under multifactor joint effect
Formation of the gas storage well injection-production column jacket coefficient of friction resistance to design of string pipe and selection technology it is most important.
The subject matter that existing experimental rig is present：1. flowed through with liquid based on the coefficient of friction resistance detection of tubing string, lack height
Fast gas flows through body coefficient of friction resistance detection means；2. gas storage well injection-production column jacket high velocity air flows through string friction coefficient and passes through
It is empirically determined.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of experimental rig for determining the high velocity air coefficient of friction resistance and test side
Method, to solve the problems, such as that gas storage well injection-production column jacket frictional resistance cannot be calculated accurately, the experimental rig can be used under high velocity air
The accurate measure of the pipe string internal wall coefficient of friction resistance, realizes the optimization of the design of gas storage well injection-production column jacket and selection.
The present invention is to be achieved through the following technical solutions：
Determine the experimental rig of the high velocity air coefficient of friction resistance, including the first air accumulator, the second air accumulator, injection-production column jacket sum
According to acquisition analysis system；First air accumulator and the second air accumulator are arranged on injection-production column jacket two ends, be provided with the first air accumulator into
Mouth choke valve and compression pump, gas on the second air accumulator through in entrance throttle injection injection-production column jacket, installing in the first air accumulator
There is speed control muffler, enter in the second air accumulator from injection-production column jacket gas through outlet choke valve out；It is close on injection-production column jacket
First air accumulator one end and close second air accumulator one end are respectively mounted gas flowmeter, pressure for detecting high velocity air parameter
Sensor and temperature sensor；Several resistance strain gages are equidistantly circumferentially installed around injection-production column jacket；Compression pump, entrance section
Stream valve, speed control muffler, resistance strain gage, gas flowmeter, pressure sensor and temperature sensor are and data collection and analysis
System is connected.
Further, around injection-production column jacket circumferentially-spaced 90 ° 4 resistance strain gages have been mounted equidistant.
Further, the first air accumulator and the second air accumulator size are 8000mm × 4000mm × 4000mm；Injection-production column jacket is long
It is 5000mm~9000mm to spend.
Further, the compression pump is screw pump.
Further, gas flowmeter uses vortex street gas flowmeter.
Further, the resistance strain gage uses metal strain plate.
A kind of method that experimental rig determines the high velocity air coefficient of friction resistance, comprises the following steps：
The first step, the compression pump that specification is matched, entrance throttle, speed control muffler and the first air accumulator, the second gas storage
Tank and injection-production column jacket are assembled together, and gas flowmeter, pressure sensor, temperature sensor and resistance are installed on injection-production column jacket
Foil gauge, by compression pump, entrance throttle, speed control muffler, resistance strain gage, gas flowmeter, pressure sensor and temperature
Sensor is connected with data acquisition and analysis system；
Second, by compression pump to quick gas injection in the first air accumulator, control entrance throttle and speed control muffler row
Amount so that the flow velocity of gas flowmeter detection tends towards stability, and is obtained in injection-production column jacket in real time by data acquisition and analysis system
Temperature and pressure information；
3rd, analysis injection-production column jacket axial strain information so as to obtain the injection-production column jacket coefficient of friction resistance under the operating mode.
Further, compression pump is arranged to quick gas injection in the first air accumulator by controlling entrance throttle and speed control muffler
The difference of amount, maximum note gas producting rate operating mode during simulation gas storage peak regulation, obtains operating mode bet and adopts string friction coefficient.
The experimental rig for determining the high velocity air coefficient of friction resistance of the invention, including the first air accumulator, the second air accumulator, note are adopted
Tubing string and data acquisition and analysis system, compression pump, entrance throttle, speed control muffler, resistance strain gage, gas flowmeter, pressure
Force snesor and temperature sensor are connected with data acquisition and analysis system；Note is obtained in real time by data acquisition and analysis system to adopt
Temperature and pressure information in tubing string, analysis injection-production column jacket axial strain information is so as to obtain the injection-production column jacket frictional resistance under the operating mode
Coefficient；
Determining gas flow, pressure, temperature, density, tubing string geometry/mechanics parameter and axial strain in injection-production column jacket
On the basis of, the coefficient of friction resistance between gas-wall is solved, gas storage well peak regulation process high speed note gas production working condition can be simulated, fill up
Existing injection-production column jacket at a high speed under note gas production operating mode the inwall coefficient of friction resistance cannot accurate detection blank, can be used for gas storage note and adopt
Design of string pipe is analyzed with Optimization of material selection.
The invention has the advantages that：
(1) temperature of inside pipe wall during note gas production tubing string, flow, pressure are flowed through and axially should by detecting high velocity air
The information such as change determine the pipe string internal wall coefficient of friction resistance, and the conversion of inside pipe wall temperature, flow, pressure, axial strain and the coefficient of friction resistance is calculated
Method is integrated in data acquisition and analysis system, and test method is simple and easy to do.
(2) gas storage injection-production column jacket peak regulation process note adopts velocity variations frequently, and the present invention realizes becoming using one-way throttle valve
Flow velocity is adjusted, experimentation cost reduction.
(3) gas storage injection-production column jacket axial strain value takes mean strain at A-A ˊ sections, reduces due to drilling pipe bending etc.
The error of generation, can more really simulate note gas production actual condition environment.
Brief description of the drawings
Fig. 1 is the experimental rig schematic diagram that the high velocity air coefficient of friction resistance determines；
Fig. 2 be in Fig. 1 A-A ˊ to sectional view；
In figure：1. the first air accumulator, 2. the second air accumulator, 3. injection-production column jacket, 4. screw pump, 5. entrance throttle, 6. go out
Mouth choke valve, 7. inlet gas flow rate meter, 8. exit gas flowmeter, 9. inlet pressure transducer, 10. outlet pressure sensing
Device, 11. inlet temperature sensors, 12, outlet temperature sensor, 13. first resistor foil gauges, 14. second resistance foil gauges,
15. 3rd resistor foil gauges, 16. the 4th resistance strain gages, 17. data acquisition and analysis systems.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
As shown in figure 1, the experiment dress for determining the high velocity air coefficient of friction resistance of the invention, including the first air accumulator 1, second is stored up
Gas tank 2, injection-production column jacket 3 and data acquisition and analysis system 17；First air accumulator 1 and the second air accumulator 2 are arranged on 3 liang of injection-production column jacket
End, is provided with entrance throttle 5 and compression pump on the first air accumulator 1, gas injects through entrance throttle 5 in the first air accumulator 1
In injection-production column jacket 3, speed control muffler 6 is installed on the second air accumulator 2, from the gas through outlet choke valve 6 out of injection-production column jacket 3
Into in the second air accumulator 2；Inlet gas flow rate meter 7, entrance pressure are installed near the one end of the first air accumulator 1 on injection-production column jacket 3
Force snesor 9, inlet temperature sensor 11；On injection-production column jacket 3 exit gas flow is mounted near the one end of the second air accumulator 2
Meter 8, outlet pressure sensor 10, outlet temperature sensor 12；Several resistance are equidistantly circumferentially installed around injection-production column jacket 3
Foil gauge；Compression pump, entrance throttle 5, speed control muffler 6, resistance strain gage, gas flowmeter, pressure sensor and temperature
Sensor is connected with data acquisition and analysis system 17.
Further, as shown in Fig. 2 around injection-production column jacket 3 circumferentially-spaced 90 ° 4 resistance strain gages, first have been mounted equidistant
Resistance strain gage 13, second resistance foil gauge 14,3rd resistor foil gauge 15, the 4th resistance strain gage 16.
First air accumulator 1 and the size of the second air accumulator 2 are 8000mm × 4000mm × 4000mm；The length of injection-production column jacket 3 is
5000mm~9000mm, compression pump is screw pump 4.
Gas flowmeter uses vortex street gas flowmeter, the resistance strain gage to use metal strain plate.
Simultaneously the invention provides a kind of method for determining the high velocity air coefficient of friction resistance, comprise the following steps：
The first step, the compression pump that specification is matched, entrance throttle 5, the air accumulator 1, second of speed control muffler 6 and first are stored up
Gas tank 2 and injection-production column jacket 3 are assembled together, and gas flowmeter, pressure sensor, temperature sensor are installed on injection-production column jacket 3
And resistance strain gage, by compression pump, entrance throttle 5, speed control muffler 6, resistance strain gage, gas flowmeter, pressure sensing
Device and temperature sensor are connected with data acquisition and analysis system 17；
Second, by compression pump to quick gas injection in the first air accumulator 1, control entrance throttle 5 and speed control muffler 6
Discharge capacity so that the flow velocity of gas flowmeter detection is tended towards stability, and injection-production column jacket is obtained in real time by data acquisition and analysis system 17
Interior temperature and pressure information；
3rd, analysis the axial strain information of injection-production column jacket 3 so as to obtain the injection-production column jacket coefficient of friction resistance under the operating mode.
Further, compression pump is to quick gas injection in the first air accumulator 1, by controlling entrance throttle 5 and speed control muffler 6
The difference of discharge capacity, maximum note gas producting rate operating mode during simulation gas storage peak regulation, obtains operating mode bet and adopts string friction system
Number.
Device specification：The experimental rig is applied to《API Spec 5CT sleeve pipes and oil pipe specification》Specified in all specifications
The detection of oil pipe.The size of air accumulator is 8000mm × 4000mm × 4000mm；Note gas production length is 5000mm~9000mm；Spiral shell
Bar pump and choke valve are set to different size series, to be matched with the requirement of gas with various flow velocity.
Experiment prepares：Specification is matched screw pump, choke valve and air accumulator and injection-production column jacket assembling first, installing is used for
Detection injection-production column jacket inner wall pressure, the sensor of temperature, install the flowmeter for detecting gas flow rate in injection-production column jacket.Then
4 resistance strain gages are spaced into 90 ° to be mounted equidistant at A-A ˊ sections.Finally realize injection-production column jacket and data acquisition and analysis system
Connection.The resistance strain gage distribution map for installing is as shown in Figure 2.
Process of the test：By the quick gas injection of air accumulator of band trend second of screw pump, control choke valve discharge capacity causes flow
Meter detection flow velocity tends towards stability, and data acquisition and analysis system obtains temperature, pressure information in injection-production column jacket in real time.Analysis note is adopted
So as to obtain the injection-production column jacket coefficient of friction resistance under the operating mode, the experimental rig possesses simulation gas storage and adjusts tubing string axial strain information
Maximum note gas producting rate operating mode during peak.
It should be noted last that, above specific embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described in detail to the present invention with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention, it all should cover
In the middle of scope of the presently claimed invention.
Claims (8)
1. the experimental rig of the high velocity air coefficient of friction resistance is determined, it is characterised in that：Including the first air accumulator (1), the second air accumulator
(2), injection-production column jacket (3) and data acquisition and analysis system (17)；
First air accumulator (1) and the second air accumulator (2) are arranged on injection-production column jacket (3) two ends, be provided with the first air accumulator (1) into
Mouth choke valve (5) and compression pump, the first air accumulator (1) interior gas are injected in injection-production column jacket (3) through entrance throttle (5), and second
Speed control muffler (6) is installed on air accumulator (2), second is entered from injection-production column jacket (3) gas through outlet choke valve (6) out
In air accumulator (2)；On injection-production column jacket (3) use is respectively mounted near the first air accumulator (1) one end and near the second air accumulator (2) one end
Gas flowmeter, pressure sensor and temperature sensor in detection high velocity air parameter；Around between injection-production column jacket (3) circumference etc.
Away from being provided with several resistance strain gages；Compression pump, entrance throttle (5), speed control muffler (6), resistance strain gage, gas stream
Gauge, pressure sensor and temperature sensor are connected with data acquisition and analysis system (17).
2. it is according to claim 1 determine the high velocity air coefficient of friction resistance experimental rig, it is characterised in that：Pipe is adopted around note
Circumferentially-spaced 90 ° of post (3) has been mounted equidistant 4 resistance strain gages.
3. it is according to claim 1 determine the high velocity air coefficient of friction resistance experimental rig, it is characterised in that：First air accumulator
(1) and the second air accumulator (2) size be 8000mm × 4000mm × 4000mm；Injection-production column jacket (3) length be 5000mm~
9000mm。
4. the experimental rig of the determination high velocity air coefficient of friction resistance according to claim any one of 1-3, it is characterised in that：Institute
Compression pump is stated for screw pump.
5. the experimental rig of the determination high velocity air coefficient of friction resistance according to claim any one of 1-3, it is characterised in that：Gas
Flowmeter body uses vortex street gas flowmeter.
6. the experimental rig of the determination high velocity air coefficient of friction resistance according to claim any one of 1-3, it is characterised in that：Institute
State resistance strain gage and use metal strain plate.
7. the method that the experimental rig described in a kind of usage right requirement 1 determines the high velocity air coefficient of friction resistance, it is characterised in that bag
Include following steps：
The first step, the compression pump that specification is matched, entrance throttle (5), speed control muffler (6) and the first air accumulator (1), second
Air accumulator (2) and injection-production column jacket (3) are assembled together, and gas flowmeter, pressure sensor, temperature are installed on injection-production column jacket (3)
Degree sensor and resistance strain gage, by compression pump, entrance throttle (5), speed control muffler (6), resistance strain gage, gas flow
Meter, pressure sensor and temperature sensor are connected with data acquisition and analysis system (17)；
Second, by compression pump to quick gas injection in the first air accumulator (1), control entrance throttle (5) and speed control muffler
(6) discharge capacity so that the flow velocity of gas flowmeter detection tends towards stability, note is obtained by data acquisition and analysis system (17) and is adopted in real time
Temperature and pressure information in tubing string；
3rd, analysis injection-production column jacket (3) axial strain information so as to obtain the injection-production column jacket coefficient of friction resistance under the operating mode.
8. the method that experimental rig according to claim 7 determines the high velocity air coefficient of friction resistance, it is characterised in that：Compression pump
To quick gas injection in the first air accumulator (1), by controlling the difference of entrance throttle (5) and speed control muffler (6) discharge capacity, simulation
Maximum note gas producting rate operating mode during gas storage peak regulation, obtains operating mode bet and adopts string friction coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611227891.XA CN106840961B (en) | 2016-12-27 | 2016-12-27 | Determine the experimental rig and test method of the high-speed flow coefficient of friction resistance |
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| CN201611227891.XA CN106840961B (en) | 2016-12-27 | 2016-12-27 | Determine the experimental rig and test method of the high-speed flow coefficient of friction resistance |
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| CN106840961B CN106840961B (en) | 2019-10-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420097A (en) * | 2017-09-20 | 2017-12-01 | 中国石油大学(华东) | Underground natural gas storage tank well gas coefficient of frictional resistance measurement and tubing string vibration monitoring device |
| CN111220501A (en) * | 2019-12-04 | 2020-06-02 | 西南石油大学 | On-line evaluation method for drag reducer drag reduction effect in oil pipeline |
| CN117288634A (en) * | 2023-07-31 | 2023-12-26 | 中石化西南石油工程有限公司油田工程服务分公司 | Device and method for measuring friction coefficient and monitoring vibration of high-pressure pipeline of gas well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420097A (en) * | 2017-09-20 | 2017-12-01 | 中国石油大学(华东) | Underground natural gas storage tank well gas coefficient of frictional resistance measurement and tubing string vibration monitoring device |
| CN111220501A (en) * | 2019-12-04 | 2020-06-02 | 西南石油大学 | On-line evaluation method for drag reducer drag reduction effect in oil pipeline |
| CN111220501B (en) * | 2019-12-04 | 2022-04-29 | 西南石油大学 | On-line evaluation method for drag reducer drag reduction effect in oil pipeline |
| CN117288634A (en) * | 2023-07-31 | 2023-12-26 | 中石化西南石油工程有限公司油田工程服务分公司 | Device and method for measuring friction coefficient and monitoring vibration of high-pressure pipeline of gas well |
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| CN106840961B (en) | 2019-10-11 |
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