CN206515033U - A kind of experimental provision for being used to study riser systems solid liquid interation characteristic - Google Patents
A kind of experimental provision for being used to study riser systems solid liquid interation characteristic Download PDFInfo
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- CN206515033U CN206515033U CN201720065757.8U CN201720065757U CN206515033U CN 206515033 U CN206515033 U CN 206515033U CN 201720065757 U CN201720065757 U CN 201720065757U CN 206515033 U CN206515033 U CN 206515033U
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Abstract
The utility model discloses a kind of experimental provision for being used to study riser systems solid liquid interation characteristic, including water system, air supply system, riser systems, data collecting system and image production monitoring system；The air supply system and water system are connected with air and liquid mixer, and horizontal pipeline section is passed sequentially through after the air and liquid mixer and the pipeline section that has a down dip is connected with riser systems, and the supply channel connected with water system is provided with the top of the riser systems；The data collecting system is used to be acquired the dynamic data signal on each pipeline, and described image production monitoring system is used to be monitored the flow pattern fluidised form on each pipeline.Research of the utility model root available for fluid in riser systems and standpipe coupled vibrations, predicts the fatigue damage and lifetime of marine riser system, supporting protection, vibration suppression, Aseismic Design and construction are all significant.
Description
Technical field
The utility model belongs to marine oil and gas production technique field, more particularly to a kind of for studying the solid coupling of riser systems stream
Close the experimental provision of vibration characteristics.
Background technology
With landing field petroleum resources increasingly depleted, the exploitation dynamics of Marine oil and gas resource is increasingly increased.China's South China Sea
Oil and gas reserves is huge, belongs to one of Large Marine Ecosystem petroleum resources enrichment region of the world four, there is the title in " second Persian Gulf ".Ocean is just like
Become the important potential region of China's petrol resources exploitation.In marine petroleum exploitation, marine riser is floating production system
Basic device for transmitting fluid to ship or platform, the function of marine riser can be simply divided into：Drilling well, completion, life
Production/injection, output.Marine riser is most important device, while being also one of weak, the structure of rapid wear.
When fluid is by marine riser system, fluid density, pressure and other parameters are changed over time, and may cause the ginseng of pipeline
Number resonance and combination resonance；Simultaneously with the development of offshore oil equipment technology level, riser length is increasingly longer, amount of deflection and soft
Property is big, it is prone to vibrate.Pipe vibration can cause the fatigue damage of pipeline and relevant device, easily cause production system to be broken
It is bad, cause material to reveal, in turn result in great economic loss, cause serious environmental pollution and secondary disaster.Here, gas-liquid
The fluid structure interaction of Two-phase Flow Pipeline Transport is a very crucial factor, but fluid structure interaction mechanism is extremely complex, very
Difficulty is described with theorizing, and this causes the characteristic that fluid induced pipeline dynamic is responded to be difficult prediction, and the potential danger of pipeline damage is difficult
To exclude.Therefore, carry out the research of marine riser system solid liquid interation characteristic, to the fatigue damage of marine riser system with
Life prediction, supporting protection, vibration suppression, Aseismic Design and construction are all significant.
Utility model content
The vibratory response characteristic of standpipe during being exploited for marine oil and gas, the utility model provides a kind of for grinding
Study carefully the experimental provision of riser systems solid liquid interation characteristic.For common marine riser form, this experimental provision is set respectively
Rectilinear standpipe, free catenary riser and S type standpipes are counted.For every kind of riser forms, single-phase flow and standpipe are carried out respectively
The experiment of coupled vibrations and two phase flow and standpipe coupled vibrations, obtains different operating mode lower standing tube section bottom bend loss transient impacts and moves
Force-responsive and vibration characteristics vertically and horizontally, carry out risk assessment and provide foundation for the failure of marine riser, reality
The safe efficient exploitation of existing marine oil and gas.
In order to realize above-mentioned functions, the utility model employs following technical scheme：
It is a kind of to be used to studying the experimental provision of riser systems solid liquid interation characteristic, including water system, air supply system,
Riser systems, data collecting system and image production monitoring system；The air supply system and water system are and air and liquid mixer
It is connected, horizontal pipeline section is passed sequentially through after the air and liquid mixer and the pipeline section that has a down dip is connected with riser systems, the riser systems
Top is provided with the supply channel connected with water system；The data collecting system be used for the dynamic number on each pipeline it is believed that
Number it is acquired, described image production monitoring system is used to be monitored the flow pattern fluidised form on each pipeline.
Further, the air supply system include compressor and supply air line, the compressor by supply air line successively
It is connected with first gas surge tank and gas flowmeter and first pressure transmitter；
The water system includes water tank and supply channel, and the water tank is connected with centrifugation in turn by supply channel
Pump and flow measuring apparatus；
The supply air line and supply channel merge into gas-liquid mixed pipeline, the gas-liquid mixed pipe by air and liquid mixer
Including the pipeline section that has a down dip after horizontal pipeline section and the horizontal pipeline section of connection, second gas buffering is disposed with the pipeline section that has a down dip
Tank, the first two -parallel conductance probe and second pressure transmitter, afterwards the pipeline section that has a down dip be connected with riser systems, the standpipe
Multiple pressure transmitters and multiple displacement transducers are provided with system；Second pair is provided with the riser systems top exit
Gas-liquid separator is connected with by supply channel at the top of parallel conducting probe, and the riser systems, the gas-liquid separator is again
Connected by supply channel with water tank, and then constitute water supply loop；First two -parallel conductance probe and the second double parallel
Every pair of conducting probe is parallel to each other in conducting probe and is apart 5mm；
The data collecting system include data collecting card, the data collecting card respectively with gas flowmeter, liquid flow
Gauge, the first two -parallel conductance probe, the second two -parallel conductance probe, each pressure transmitter and each displacement transducer pass through
Connection, and then the flow signal in respective line, liquid holdup signal, pressure signal and dynamic response signal are adopted
Collection；
Described image production monitoring system includes high-speed camera, and the high-speed camera is used to oppose in experimentation
Liquid flow pattern fluidised form is observed and recorded in guard system.
Further, the riser systems are rectilinear riser systems, and the rectilinear riser systems are hinged solid by one
Fixed, the rectilinear riser systems include bend loss and the rectilinear standpipe section being connected by bend loss with the pipeline section that has a down dip, described
Rectilinear standpipe section is provided with the first displacement transducer and the 3rd pressure transmitter at the bend loss of bottom, described rectilinear vertical
Pipeline section is provided with second displacement sensor and triple motion sensor and the 4th pressure transmitter, described close to centre position
Two displacement transducers and the orthogonal setting of the opposed pipeline section of triple motion sensor, the rectilinear standpipe section is close to top position
Install and be equipped with the 5th pressure transmitter.
Further, the riser systems are free catenary riser system, and the free catenary riser system is by one
Individual hinged fixation, the free catenary riser system includes bend loss and the catenary suspension type continuous vulcanization being connected by bend loss with the pipeline section that has a down dip
Standpipe section, the catenary riser section is provided with the first displacement transducer and the 3rd pressure transmitter at the bend loss of bottom,
The catenary riser section is provided with second displacement sensor and triple motion sensor and the 4th pressure close to centre position
Transmitter, the second displacement sensor and the opposed pipeline section of triple motion sensor are orthogonal to be set, and the catenary suspension type continuous vulcanization is stood
Pipeline section is provided with the 5th pressure transmitter close to tip position.
Further, the riser systems are S type riser systems, and the S types riser systems are by first hinged and the second hinge
Branch is fixed, and the S types riser systems include bend loss and the S types standpipe section being connected by bend loss with the pipeline section that has a down dip, the S types
Standpipe section is provided with the first displacement transducer and the 3rd pressure transmitter, the S types standpipe section at bottom position bend loss
First hinged place is provided with the 5th pressure transmitter, the S types standpipe section is provided with the 7th close to the hinged place in top second
Second displacement sensor and the are provided with pressure transmitter, bottom to the first pipeline section between hinged of S types standpipe section
Triple motion sensor and the 4th pressure transmitter, the second displacement sensor and the opposed pipeline section of triple motion sensor are mutual
Perpendicular to set, the first of S types standpipe section is hinged to being additionally provided with the 4th displacement sensing on the second pipeline section between hinged
Device and the 5th displacement transducer and the 6th pressure transmitter, the 4th displacement transducer and the 5th displacement transducer are opposed
Pipeline section is orthogonal to be set.
Further, on the supply air line of the air supply system, managed between the compressor and first gas surge tank
The first valve is provided with road, the second valve, institute are provided with pipeline between the first gas surge tank and gas flowmeter
State and be provided with the 3rd valve between first pressure transmitter and air and liquid mixer on pipeline；In the supply channel of the water system
On, the 6th valve, pipeline between the centrifugal pump and flow measuring apparatus are provided between the water tank and centrifugal pump on pipeline
On be provided with the 5th valve, be provided with the 4th valve on pipeline between the flow measuring apparatus and air and liquid mixer；Described second
The 8th valve is provided with bye-pass between gas buffer tank and the pipeline section that has a down dip, and the second gas surge tank is additionally provided with
With the 9th valve of atmosphere；The 7th valve and safety valve with atmosphere are provided with the gas-liquid separator.
Further, the riser systems use transparent organic glass pipe.
A kind of test method for being used to study the experimental provision of riser systems solid liquid interation characteristic, including following step
Suddenly：
Step one：Tested from rectilinear riser systems, when initial, the valve of whole experimental provision is all in closing
Gassy in state, and whole experimental provision；Open the 4th valve, the 5th valve, the 6th valve, the 7th valve successively first
Door, centrifugal pump, high-speed camera and data collecting card, data collecting card monitors and records second pressure transmitter, the 3rd pressure
Transmitter, the 4th pressure transmitter, the 5th pressure transmitter, the first displacement transducer, second displacement sensor, triple motion are passed
The signal intensity of sensor, the first two -parallel conductance probe and the second two -parallel conductance probe, high-speed camera monitors and records vertical
The flow pattern fluidised form of fluid in guard system；
Step 2：When carrying out single-phase solid liquid interation experiment, regulation centrifuges pump frequency to change the size of fluid flow,
Under different liquid phase flows, bend pipe impact test is carried out, monitors and records each pressure transmitter, displacement transducer and double parallel
The signal intensity of conducting probe, after fluid flow is stable, progress standpipe solid liquid interation experiment, record pressure transmitter,
The signal intensity of displacement transducer and two -parallel conductance probe；
Step 3：When carrying out the experiment of gas-liquid two-phase solid liquid interation, open successively first the first valve, the second valve,
3rd valve, compressor, the 8th valve are supplied into experimental provision, are now biphase gas and liquid flow in riser systems, are passed through first
Two -parallel conductance probe monitor and record standpipe upstream have a down dip pipeline section liquid holdup change, pass through the second two -parallel conductance probe supervise
Survey and record the liquid holdup change of riser top exit, second pressure transmitter, the 3rd pressure transmitter, the 4th pressure inverting
Device, the 5th pressure transmitter record respectively have a down dip pipeline section close to rectilinear riser bottom bend loss, rectilinear standpipe pars infrasegmentalis, hang down
Pressure signal at the top of straight standpipe section middle part and rectilinear standpipe section, the first displacement transducer monitors and records rectilinear standpipe
Dynamic response on the vertical direction of bottom, second displacement sensor and the rectilinear standpipe section middle part of triple motion Sensor monitoring are hung down
D-axis to motion；
Step 4：When change gas-liquid flow measures different operating modes, the shock response of rectilinear standpipe section bottom bend loss is special
Property, when rectilinear standpipe section system in flow pattern relatively fix after carry out standpipe fluid structurecoupling experiment, and record pressure, liquid holdup,
Dynamic response data；When regulation gas-liquid flow measures different flow patterns, data collecting card records pressure signal, liquid holdup signal and moved
Force-responsive signal；
Step 5：Change rectilinear riser systems into free catenary riser system, now catenary riser section bottom peace
First displacement transducer of dress monitors and records the dynamic response signal of vertical direction, and the second of the middle part installation of catenary riser section
Displacement transducer and triple motion Sensor monitoring are simultaneously recorded perpendicular to the axial dynamic response signal of catenary riser section, the 3rd
Pressure transmitter, the 4th pressure transmitter, the 5th pressure transmitter monitor and record pressure signal；Then repeat step one, two,
3rd, the four single-phase solid liquid interations for carrying out free catenary riser are tested and the solid coupled vibrations experiment of biphase gas and liquid flow；
Step 6：Change free catenary riser system into S type riser systems, now S types standpipe section bottom install the
One displacement transducer monitors and records the dynamic response signal of vertical direction, the second displacement sensing that S types standpipe section middle part is installed
Device, triple motion sensor, the 4th displacement transducer and the 5th displacement transducer are monitored and recorded perpendicular to S types standpipe section axially
Dynamic response signal, the 3rd pressure transmitter, the 4th pressure transmitter, the 5th pressure transmitter, the 6th pressure transmitter and
7th pressure transmitter monitors and records pressure signal；Then the single-phase flow of the progress of repeat step one, two, three, four S type standpipes is consolidated
Coupled vibrations is tested and the solid coupled vibrations experiment of biphase gas and liquid flow.
Further, to vertical from rectilinear riser systems, free catenary riser system and S types in whole experiment process
The priority that guard system is tested can be changed in proper order.
Further, the medium used in whole experiment process is water and air.
The beneficial effects of the utility model are：What the utility model was provided shakes for studying marine riser system fluid structurecoupling
The experimental provision of dynamic characteristic can be used for the research of fluid and standpipe coupled vibrations in riser systems, to the fatigue of marine riser system
Damage and life prediction, supporting protection, vibration suppression, Aseismic Design and construction are all significant.According to common riser forms,
It has selected 3 kinds of riser systems to be studied, be respectively:Rectilinear riser systems, free catenary riser system and S type standpipes
System.The experimental provision can carry out single-phase coupled vibrations research and the research of biphase gas and liquid flow coupled vibrations.In standpipe section bottom
Have a down dip pipeline section and standpipe section top exit at be respectively mounted two -parallel conductance probe be used for test liquid holdup signal；In standpipe section
Upper, middle and lower portion be respectively mounted pressure transmitter be used for measured pressure signal；In standpipe section bottom, bend loss installs displacement transducer
Determine force-responsive for measure standpipe vertical direction；Mutually perpendicular 2 displacements of opposed pipeline section are installed in the middle part of standpipe section to pass
Sensor is used to measure standpipe in the dynamic response perpendicular to axial direction, and wherein S types standpipe is provided with two groups；Seen by high-speed camera
Examine and record the flowing of fluid in whole standpipe section；Standpipe section top sets hinged, and wherein S types standpipe section setting two is hinged；
Regulation gas-liquid flow can obtain the transient impact of the standpipe section bottom bend loss under different operating modes, while obtaining in standpipe section not
The dynamic response characteristics of standpipe during with flow pattern fluidised form.
Brief description of the drawings
Fig. 1 is the principle signal that the utility model is used to study the experimental provision of riser systems solid liquid interation characteristic
Figure；
Fig. 2 is the schematic diagram of the rectilinear riser systems of the utility model；
Fig. 3 is the free catenary riser system schematic diagram of the utility model；
Fig. 4 is the utility model S type riser systems schematic diagrames；
Fig. 5 is the utility model two -parallel conductance probe schematic cross-section；
Fig. 6 is displacement transducer vertical axial cross section diagram in the middle part of the utility model standpipe.
Wherein：1- compressors, the valves of 2- first, 3- first gas surge tanks, the valves of 4- second, 5- gas flowmeters, 6-
3rd valve, 7- first pressure transmitters, the horizontal pipeline sections of 8-, 9- air and liquid mixers, the valves of 10- the 4th, 11- fluid flowmeters,
The valves of 12- the 5th, 13- centrifugal pumps, the valves of 14- the 6th, 15- water tanks, 16- gas-liquid separators, the valves of 17- the 7th, 18- peaces
Full valve, 19- data collecting cards, 20- has a down dip pipeline section, the valves of 21- the 8th, 22- second gas surge tanks, the valves of 23- the 9th, 24-
First two -parallel conductance probe, 25- second pressure transmitters；
The displacement transducers of 26- first, 27- bend loss, the pressure transmitters of 28- the 3rd, the rectilinear standpipe sections of 29-, 30- second
Displacement transducer, the pressure transmitters of 31- the 4th, 32- triple motion sensors, the pressure transmitters of 33- the 5th, 34- is hinged, 35-
Second two -parallel conductance probe, 36- high-speed cameras；
The pressure transmitters of 37- the 3rd, the displacement transducers of 38- first, 39- bend loss, 40- catenary risers section, 41- second
Displacement transducer, 42- triple motion sensors, the pressure transmitters of 43- the 4th, the pressure transmitters of 44- the 5th, 45- is hinged；
The displacement transducers of 46- first, the pressure transmitters of 47- the 3rd, 48-S types standpipe section, the pressure transmitters of 49- the 4th,
50- second displacement sensors, 51- triple motion sensors, the pressure transmitters of 52- the 5th, 53- first is hinged, the pressure of 54- the 6th
Transmitter, the displacement transducers of 55- the 4th, the displacement transducers of 56- the 5th, the pressure transmitters of 57- the 7th, 58- second is hinged, 59-
Bend loss.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the principle signal that the utility model is used to study the experimental provision of riser systems solid liquid interation characteristic
Figure；Fig. 2 is the schematic diagram of the rectilinear riser systems of the utility model；Fig. 3 is that the free catenary riser system of the utility model shows
It is intended to；Fig. 4 is the utility model S type riser systems schematic diagrames；Fig. 5 is the signal of the utility model two -parallel conductance probe section
Figure；Fig. 6 is displacement transducer vertical axial cross section diagram in the middle part of the utility model standpipe.
As shown in figures 1 to 6, a kind of experimental provision for being used to study riser systems solid liquid interation characteristic, including the system that supplies water
System, air supply system, riser systems, data collecting system and image production monitoring system；Wherein air supply system and water system is equal
It is connected with air and liquid mixer 9, passes sequentially through horizontal pipeline section 8 after air and liquid mixer 9 and the pipeline section 20 that has a down dip is connected with riser systems,
The supply channel connected with water system is provided with the top of riser systems, wherein data collecting system is used for dynamic on each pipeline
State data-signal is acquired, and image production monitoring system is used to be monitored the flow pattern fluidised form on each pipeline.
Further, air supply system includes compressor 1 and supply air line, and wherein compressor 1 is connected successively by supply air line
It is connected to first gas surge tank 3 and gas flowmeter 5 and first pressure transmitter 7；
Water system includes water tank 15 and supply channel, and wherein water tank 15 is connected with centrifugation in turn by supply channel
Pump 13 and flow measuring apparatus 11；
Supply air line and supply channel merge into gas-liquid mixed pipeline, wherein gas-liquid mixed pipe bag by air and liquid mixer 9
The pipeline section 20 that has a down dip after horizontal pipeline section 8 and the horizontal pipeline section 8 of connection is included, and second gas is disposed with the pipeline section 20 that has a down dip and is delayed
Tank 22, the first two -parallel conductance probe 24 and second pressure transmitter 25 are rushed, the pipeline section 20 that has a down dip afterwards is connected with riser systems,
Here, the setting of second gas surge tank 22 adds the gas compartment, so as to add the occurrence scope of serious slug flow, attach most importance to
Riser systems solid liquid interation characteristic provides broader condition range during point research serious slug flow；And set on riser systems
It is equipped with multiple pressure transmitters and multiple displacement transducers；The spy of the second double parallel conductance is provided with riser systems top exit
Gas-liquid separator 16 is connected with by supply channel at the top of pin, and riser systems, gas-liquid separator 16 again by supply channel with
Water tank 15 is connected, and then constitutes water supply loop, and wherein gas-liquid separator 16 is used for the aqueous vapor that will be carried out from riser systems
Mixture is separated, and returns to current to recycle in water tank 15；
Data collecting system include data collecting card 19, wherein data collecting card 19 respectively with gas flowmeter 5, liquid flow
Gauge 11, the first two -parallel conductance probe 24, the second two -parallel conductance probe 35, each pressure transmitter and each displacement are passed
Sensor is by connection, and then to the flow signal in respective line, liquid holdup signal, pressure signal and dynamic response signal
It is acquired；
Image production monitoring system includes high-speed camera 36, and wherein high-speed camera 36 is used to oppose in experimentation
The dynamic of fluid is observed and recorded in guard system.
Further, every conducting probe of the first two -parallel conductance probe 24 and the second two -parallel conductance probe 35 is mutually put down
Row and apart d are 5mm.
Further, riser systems are rectilinear riser systems, wherein rectilinear riser systems are fixed by one hinged 34,
It includes bend loss 27 and the rectilinear standpipe section 29 being connected by bend loss 27 with the pipeline section 20 that has a down dip, wherein rectilinear standpipe section
29 be that the first displacement transducer 26 and the 3rd pressure transmitter 28 are provided with bend loss 27 close to bottom position, and rectilinear
Standpipe section 29 is provided with second displacement sensor 30 and the pressure inverting of triple motion sensor 32 and the 4th close to centre position
Device 31, is set this second displacement sensor 30 and the opposed pipeline section of triple motion sensor 32 are orthogonal, and rectilinear vertical
Pipeline section 29 is that the 5th pressure transmitter 33 is provided with hinged 34 close to tip position.
Further, riser systems are free catenary riser system, wherein free catenary riser system is by a hinge
Branch 45 is fixed, and it includes bend loss 39 and the catenary riser section 40 being connected by bend loss 39 with the pipeline section 20 that has a down dip, wherein outstanding
Chain type standpipe section 40 is that the first displacement transducer 38 and the 3rd pressure transmitter 37 are provided with bend loss 39 close to bottom position,
And catenary riser section 40 is provided with second displacement sensor 41 and triple motion sensor 42 and the 4th close to centre position
Pressure transmitter 43, in the orthogonal setting of this second displacement sensor 41 and the opposed pipeline section of triple motion sensor 42, and
Catenary riser section 40 is that the 5th pressure transmitter 44 is provided with hinged 45 close to tip position.
Further, riser systems are S type riser systems, and wherein S types riser systems are by 2 hinged i.e. the first hinged 53 Hes
Second hinged 58 fixes, and it includes bend loss 59 and the S types standpipe section 48 being connected by bend loss 59 with the pipeline section 20 that has a down dip, wherein
S types standpipe section 48 is that the first displacement transducer 46 and the 3rd pressure transmitter 47 are provided with bend loss 59 close to bottom position,
S types standpipes section 48 is provided with the 5th pressure transmitter 52 at first hinged 53, and S types standpipe section 48 is the close to tip position
It is provided with the 7th pressure transmitter 57 at two hinged 58, the wherein bottom of S types standpipe section 48 is to the pipeline section between first hinged 53
On be provided with second displacement sensor 50 and the pressure transmitter 49 of triple motion sensor 51 and the 4th, this second displacement pass
The sensor 50 and opposed pipeline section of triple motion sensor 51 is orthogonal sets, and the first hinged 53 of S types standpipes section 48 is to the
The 4th displacement transducer 55 and the 5th displacement transducer 56 are additionally provided with pipeline section between two hinged 58 and the 6th pressure becomes
Device 54 is sent, herein the 4th displacement transducer 55 and the opposed orthogonal setting of pipeline section of the 5th displacement transducer 56.
Further, on the supply air line of air supply system, set between compressor 1 and first gas surge tank 3 on pipeline
The first valve 2 is equipped with, the second valve 4, first pressure is provided between first gas surge tank 3 and gas flowmeter 5 on pipeline
The 3rd valve 6 is provided between transmitter 7 and air and liquid mixer 9 on pipeline；And on the supply channel of water system, water tank
The 6th valve 14 is provided between 15 and centrifugal pump 13 on pipeline, is set between centrifugal pump 13 and flow measuring apparatus 11 on pipeline
There is the 5th valve 12, be provided with the 4th valve 10 between flow measuring apparatus 11 and air and liquid mixer 9 on pipeline；And second gas is slow
Be provided with the 8th valve 21 on the bye-pass that tank 22 is rushed between the pipeline section 20 that has a down dip, and second gas surge tank 22 be additionally provided with
9th valve 23 of atmosphere；The 7th valve 17 and safety valve 18 with atmosphere are provided with gas-liquid separator 16.
Further, whole part of detecting is that riser systems use transparent organic glass pipe.
The experimental provision for studying riser systems solid liquid interation characteristic that the utility model is provided, its tool tested
Gymnastics is made as follows：
Step one：Tested from rectilinear riser systems, when initial, the valve of whole experimental provision is all in closing
Gassy in state, and whole experimental provision；Open the 4th valve 10, the 5th valve 12, the 6th valve 14, the successively first
Seven valves 17, centrifugal pump 13, high-speed camera 36 and data collecting card 19, data collecting card 19 monitor and record second pressure change
Send device 25, the 3rd pressure transmitter 28, the 4th pressure transmitter 31, the 5th pressure transmitter 33, the first displacement transducer 26,
Second displacement sensor 30, triple motion sensor 32, the first two -parallel conductance probe 24 and the second two -parallel conductance probe 35
Signal intensity, high-speed camera 36 monitors and records the flow pattern fluidised form of fluid in riser systems；
Step 2：When carrying out single-phase solid liquid interation experiment, adjust the frequency of centrifugal pump 13 to change the big of fluid flow
It is small, under different liquid phase flows, bend pipe impact test is carried out, monitors and records each pressure transmitter, displacement transducer and double
The signal intensity of parallel conducting probe, after fluid flow is stable, carries out standpipe solid liquid interation experiment, records pressure inverting
The signal intensity of device, displacement transducer and two -parallel conductance probe；
Step 3：When carrying out the experiment of gas-liquid two-phase solid liquid interation, the first valve 2, the second valve are opened successively first
4th, the 3rd valve 6, compressor 1, the 8th valve 21 are supplied into experimental provision, are now biphase gas and liquid flow in riser systems, are led to
Cross the first two -parallel conductance probe 24 monitor and record standpipe upstream have a down dip pipeline section liquid holdup change, pass through the second double parallel electricity
Probe 35 is led to monitor and record the change of riser top exit liquid holdup, second pressure transmitter 25, the 3rd pressure transmitter 28,
4th pressure transmitter 31, the 5th pressure transmitter 33 record respectively have a down dip pipeline section 20 close to rectilinear riser bottom bend loss,
Pressure signal at the top of rectilinear standpipe pars infrasegmentalis, rectilinear standpipe section middle part and rectilinear standpipe section, the first displacement transducer
26 monitor and record the dynamic response on rectilinear riser bottom vertical direction, second displacement sensor 30 and triple motion sensing
Device 32 monitors the motion of rectilinear standpipe section middle part vertical axial；
Step 4：When change gas-liquid flow can obtain different operating modes, the impact of rectilinear standpipe section bottom bend loss rings
Answer characteristic, when in rectilinear standpipe section system flow pattern relatively fix after carry out standpipe fluid structurecoupling experiment, and record pressure, hold liquid
Rate, dynamic response data；When adjust gas-liquid flow measure different flow patterns when, especially serious slug flow when, data collecting card 19
Record pressure signal, liquid holdup signal and dynamic response signal；
Step 5：Change rectilinear riser systems into free catenary riser system, now 40 bottoms of catenary riser section
The first displacement transducer 38 installed is monitored and records the dynamic response signal of vertical direction, and the middle part of catenary riser section 40 is installed
Second displacement sensor 41 and triple motion sensor 42 monitor and record perpendicular to catenary riser section axial direction power ring
Induction signal, the 3rd pressure transmitter 37, the 4th pressure transmitter 43, the 5th pressure transmitter 44 monitor and record pressure signal；
Then repeat step one, two, three, four carries out the single-phase solid liquid interation experiment of free catenary riser and biphase gas and liquid flow is consolidated
Coupled vibrations is tested.
Step 6：Change free catenary riser system into S type riser systems, now 48 bottoms of S types standpipe section are installed
First displacement transducer 46 monitors and records the dynamic response signal of vertical direction, the second that the middle part of S types standpipe section 48 is installed
Displacement sensor 50, triple motion sensor 51, the 4th displacement transducer 55 and the 5th displacement transducer 56 monitor and record vertical
Dynamic response signal in the axial direction of S types standpipe section 48, the 3rd pressure transmitter 47, the 4th pressure transmitter 49, the 5th pressure become
Device 52, the 6th pressure transmitter 54 and the 7th pressure transmitter 57 is sent to monitor and record pressure signal；Then repeat step one,
2nd, three, the four single-phase solid liquid interations for carrying out S type standpipes are tested and the solid coupled vibrations experiment of biphase gas and liquid flow.
Further, to vertical from rectilinear riser systems, free catenary riser system and S types in whole experiment process
The priority that guard system is tested can be changed in proper order.
Further, the medium used in whole experiment process is water and air.
The experimental provision for studying marine riser system solid liquid interation characteristic that the utility model is provided can be used for
The research of fluid and standpipe coupled vibrations in riser systems, predicts that supporting is anti-to the fatigue damage and lifetime of marine riser system
Shield, vibration suppression, Aseismic Design and construction are all significant.According to common riser forms, 3 kinds of riser systems progress are have selected
Research, be respectively:Rectilinear riser systems, free catenary riser system and S type riser systems.The experimental provision can be carried out
Single-phase coupled vibrations research and the research of biphase gas and liquid flow coupled vibrations.Go out at the top of have a down dip pipeline section and the standpipe section of standpipe section bottom
Two -parallel conductance probe is respectively mounted at mouthful to be used to test liquid holdup signal；Pressure is respectively mounted in the upper, middle and lower portion of standpipe section to become
Device is sent to be used for measured pressure signal；In standpipe section bottom, bend loss, which installs displacement transducer, is used to measure determining for standpipe vertical direction
Force-responsive；Standpipe section in the middle part of install mutually perpendicular 2 displacement transducers of opposed pipeline section be used for measure standpipe perpendicular to
The dynamic response of axial direction, wherein S types standpipe is provided with two groups；Observed by high-speed camera and record fluid in whole standpipe section
Flowing；Standpipe section top sets hinged, and wherein S types standpipe section setting two is hinged；Regulation gas-liquid flow can obtain difference
The transient impact of standpipe section bottom bend loss under operating mode, while the power of standpipe rings when obtaining different flow pattern fluidised forms in standpipe section
Answer characteristic.
In description of the present utility model, it is to be understood that term " on ", " under ", " in ", " top ", " bottom " etc. indicate
Orientation or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (7)
1. a kind of experimental provision for being used to study riser systems solid liquid interation characteristic, it is characterized in that, including water system, confession
Gas system, riser systems, data collecting system and image production monitoring system；The air supply system and water system are and gas-liquid
Blender is connected, and horizontal pipeline section is passed sequentially through after the air and liquid mixer and the pipeline section that has a down dip is connected with riser systems, described vertical
The supply channel connected with water system is provided with the top of guard system；The data collecting system is used for the dynamic on each pipeline
Data-signal is acquired, and described image production monitoring system is used to be monitored the flow pattern fluidised form on each pipeline.
2. the experimental provision as claimed in claim 1 for being used to study riser systems solid liquid interation characteristic, it is characterized in that, institute
Stating air supply system includes compressor and supply air line, and the compressor is connected with first gas surge tank in turn by supply air line
With gas flowmeter and first pressure transmitter；
The water system include water tank and supply channel, the water tank by supply channel be connected with turn centrifugal pump and
Flow measuring apparatus；
The supply air line and supply channel merge into gas-liquid mixed pipeline by air and liquid mixer, and the gas-liquid mixed pipe includes
Be disposed with the pipeline section that has a down dip after horizontal pipeline section and the horizontal pipeline section of connection, the pipeline section that has a down dip second gas surge tank,
First two -parallel conductance probe and second pressure transmitter, afterwards the pipeline section that has a down dip be connected with riser systems, the standpipe system
Multiple pressure transmitters and multiple displacement transducers are provided with system；The second double flat is provided with the riser systems top exit
Gas-liquid separator is connected with by supply channel at the top of row conducting probe, and the riser systems, the gas-liquid separator leads to again
Cross supply channel to connect with water tank, and then constitute water supply loop；First two -parallel conductance probe and the second double parallel electricity
Lead every pair of conducting probe in probe be parallel to each other and at a distance of be 5mm；
The data collecting system include data collecting card, the data collecting card respectively with gas flowmeter, fluid flowmeter,
First two -parallel conductance probe, the second two -parallel conductance probe, each pressure transmitter and each displacement transducer pass through circuit
Connection, and then the flow signal in respective line, liquid holdup signal, pressure signal and dynamic response signal are acquired；
Described image production monitoring system includes high-speed camera, and the high-speed camera is used for the piping that opposed in experimentation
The flow pattern fluidised form of fluid is observed and recorded in system.
3. the experimental provision as claimed in claim 2 for being used to study riser systems solid liquid interation characteristic, it is characterized in that, institute
Riser systems are stated for rectilinear riser systems, the rectilinear riser systems are by a hinged fixation, the rectilinear standpipe system
System includes bend loss and the rectilinear standpipe section being connected by bend loss with the pipeline section that has a down dip, and the rectilinear standpipe section is close to bottom
The first displacement transducer and the 3rd pressure transmitter are provided with bend loss, the rectilinear standpipe section is set close to centre position
There are second displacement sensor and triple motion sensor and the 4th pressure transmitter, the second displacement sensor and the 3rd
The opposed pipeline section of displacement sensor is orthogonal to be set, and the rectilinear standpipe section is provided with the 5th pressure inverting close to tip position
Device.
4. the experimental provision as claimed in claim 2 for being used to study riser systems solid liquid interation characteristic, it is characterized in that, institute
Riser systems are stated for free catenary riser system, the free catenary riser system is by a hinged fixation, the freedom
Catenary riser system includes bend loss and the catenary riser section being connected by bend loss with the pipeline section that has a down dip, and the catenary suspension type continuous vulcanization is stood
Pipeline section is provided with the first displacement transducer and the 3rd pressure transmitter at the bend loss of bottom, and the catenary riser section is close
Centre position is provided with second displacement sensor and triple motion sensor and the 4th pressure transmitter, and the second displacement is passed
Sensor and the orthogonal setting of the opposed pipeline section of triple motion sensor, the catenary riser section are provided with close to tip position
5th pressure transmitter.
5. the experimental provision as claimed in claim 2 for being used to study riser systems solid liquid interation characteristic, it is characterized in that, institute
Riser systems are stated for S type riser systems, the S types riser systems are by first hinged and the second hinged fixation, the S types standpipe system
System includes bend loss and the S types standpipe section being connected by bend loss with the pipeline section that has a down dip, and the S types standpipe section is curved close to bottom position
The first displacement transducer and the 3rd pressure transmitter are provided with pipeline section, the S types standpipe section is provided with close to the first hinged place
5th pressure transmitter, the S types standpipe section is provided with the 7th pressure transmitter close to the hinged place in top second, and the S types are stood
Second displacement sensor and triple motion sensor and the 4th are provided with the bottom of pipeline section to the first pipeline section between hinged
Pressure transmitter, the second displacement sensor and the opposed pipeline section of triple motion sensor are orthogonal to be set, and the S types are stood
Pipeline section first it is hinged to be additionally provided with the second pipeline section between hinged 4th displacement transducer and the 5th displacement transducer with
And the 6th pressure transmitter, the 4th displacement transducer and the 5th opposed pipeline section of displacement transducer are orthogonal to be set.
6. the experimental provision as claimed in claim 2 for being used to study riser systems solid liquid interation characteristic, it is characterized in that,
On the supply air line of the air supply system, the first valve is provided between the compressor and first gas surge tank on pipeline,
The second valve is provided between the first gas surge tank and gas flowmeter on pipeline, the first pressure transmitter is gentle
The 3rd valve is provided between liquid mixer on pipeline；On the supply channel of the water system, the water tank and centrifugation
The 6th valve is provided between pump on pipeline, the 5th valve, institute are provided with pipeline between the centrifugal pump and flow measuring apparatus
State and be provided with the 4th valve between flow measuring apparatus and air and liquid mixer on pipeline；The second gas surge tank and the pipeline section that has a down dip
Between bye-pass on be provided with the 8th valve, and the second gas surge tank is additionally provided with the 9th valve with atmosphere
Door；The 7th valve and safety valve with atmosphere are provided with the gas-liquid separator.
7. being used for as described in claim any one of 1-6 studies the experimental provision of riser systems solid liquid interation characteristic, its
It is characterized in that the riser systems use transparent organic glass pipe.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768765A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(华东) | A kind of experimental provision for studying riser systems solid liquid interation characteristic |
| CN112253034A (en) * | 2020-10-20 | 2021-01-22 | 中海石油(中国)有限公司深圳分公司 | Batch high-efficiency operation method for underwater Christmas tree of deep water cluster well |
-
2017
- 2017-01-19 CN CN201720065757.8U patent/CN206515033U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768765A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(华东) | A kind of experimental provision for studying riser systems solid liquid interation characteristic |
| CN112253034A (en) * | 2020-10-20 | 2021-01-22 | 中海石油(中国)有限公司深圳分公司 | Batch high-efficiency operation method for underwater Christmas tree of deep water cluster well |
| CN112253034B (en) * | 2020-10-20 | 2022-06-07 | 中海石油(中国)有限公司深圳分公司 | Batch high-efficiency operation method for underwater Christmas tree of deep water cluster well |
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