CN102507871B - Visual dynamic simulating device for deposition in gas hydrate pipeline - Google Patents

Visual dynamic simulating device for deposition in gas hydrate pipeline Download PDF

Info

Publication number
CN102507871B
CN102507871B CN201110340685.0A CN201110340685A CN102507871B CN 102507871 B CN102507871 B CN 102507871B CN 201110340685 A CN201110340685 A CN 201110340685A CN 102507871 B CN102507871 B CN 102507871B
Authority
CN
China
Prior art keywords
pressure
gas
connects
high pressure
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201110340685.0A
Other languages
Chinese (zh)
Other versions
CN102507871A (en
Inventor
谭晓华
白杨
刘建仪
王�琦
张广东
李丽
唐娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Petroleum University
Original Assignee
Southwest Petroleum University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southwest Petroleum University filed Critical Southwest Petroleum University
Priority to CN201110340685.0A priority Critical patent/CN102507871B/en
Publication of CN102507871A publication Critical patent/CN102507871A/en
Application granted granted Critical
Publication of CN102507871B publication Critical patent/CN102507871B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pipeline Systems (AREA)

Abstract

The invention relates to a visual dynamic simulating device for deposition in a gas hydrate pipeline, which is used for simulating the generation, the transportation and the deposition of gas hydrate in high-pressure high-speed air flow and can be used for summarizing the high-speed motion characteristic, the transportation mechanism and the deposition rule of a pipeline gas-solid phase. The invention has the technical schemes that: the top end of a low-pressure gas storage tank is provided with a temperature sensor and a pressure sensor, the outlet end of the low-pressure gas storage tank is connected with a high-pressure gas pump and then is connected with a high-pressure gas storage tank, and the top end of the high-pressure gas storage tank is provided with a pressure sensor; the outlet end of a liquid storage tank is connected with a metering pump, and the upper end of a gas-liquid separator is connected with a vacuum pump and a tail gas treating device; the top end of a high-pressure reaction tube is connected with an outlet electrical heating insulation pipeline, and the bottom end of the high-pressure reaction tube is provided with a pressure sensor and an inlet electrical heating insulation pipeline; and a data acquisition system is formed by a data acquisition card, a computer, a cold light source and a high-speed camera, and a pipeline temperature attitude control system is additionally arranged. According to the visual dynamic simulating device disclosed by the invention, the generation process, the transportation process and the deposition process of the gas hydrate in the high-pressure high-speed air flow can be really simulated, and the visual dynamic simulating device is used for evaluating a gas hydrate inhibitor.

Description

Visual dynamic simulating device for deposition in gas hydrate pipeline
Technical field
The present invention relates to a kind of process that generates, migrates and deposit at high-voltage high-speed airflow for simulating multicomponent gas hydrate, observe the interactional visual dynamic simulating device for deposition in gas hydrate pipeline between the interior air-flow of various angle pipelines and gas hydrate particle, gas hydrate particle.
Background technology
In natural gas extraction, transportation, the generation of gas hydrate is often stopped up gas well and surface pipeline.Because rock gas is when the high pressure, even also can form hydrate at normal temperature.In natural gas transportation process, because topographic relief can cause pipeline recess hydrops, form part throttle, can aggravate the formation of gas hydrate.Gas hydrate in production facility deposit, and greatly reduce the utilization factor of production flow line, cause gas well production declining, even stop production, and have a strong impact on production even running.
At present, laboratory adopts static experiment device to come formation and the decomposition of analog gas hydrate more.For example by transparent autoclave or with the reactor of form, test, this class experimental provision belongs to staticizer.Mono-kind of China Patent No. 01130148.1 < <, prepare in the method and device > > of gas hydrate, what stress is a kind of method of preparing gas hydrate, chemical promoter and water are mixed with to aqueous solution, under certain temperature and pressure, rock gas and water effect, form gas hydrate slurry, and unnecessary water is separated, and what more focus on is the production method of hydrate.Number of patent application is that 200710026942.7 patented claim < < natural gas hydrate phase balance emulation experiment device > > discloses a kind of natural gas hydrate phase balance emulation experiment device, its reactor volume is variable, and can measure the hydrate under the existence of different chemical medicament and the phase balance condition of Hydrate in Porous Medium.This invention belongs to static gas hydrate experimental provision, and does not realize visualization function.Number of patent application be 200710172024.5 patented claim < < visible phase equilibrium experimental device of refrigerant hydrate for cold-storage and application > > thereof can observe easily gas hydrate in static method or the short brilliant method of magnetic agitation the generative process under uniform temperature condition, be comparatively the balance each other visual research device of parameter of Measurement accuracy refrigerant hydrate of a kind of available observation and constant volume method.This invention belongs to gas at rest hydrate experiment device.Equally, the patented claim < < built-in heat exchanging type gas hydrate that number of patent application is 200410017183.4 holds/releases cold process visualization research device > > and also belongs to gas at rest hydrate experiment device.Number of patent application is that patented claim < < visual gas hydrate experimental device > > of 201010603010.6 can realize gas hydrate fast, efficiently generate, can also realize hydrate crystal destructing in online real-time monitored hydrate formation/decomposable process, pattern, and analyze by image processing software.Principle is that micro-bubble is migrated in being full of the tubing string of liquid, cannot simulate the actual conditions that in pipeline, gas hydrate generates under high-voltage high-speed, also cannot flow on hydrate formation and the impact of decomposing by analytical gas.Be published in < < petroleum gas journal (Jiang You petroleum institute journal) > > (the 33rd 155~158 pages of the 10th phases of volume, in October, 2011) the experimental study > > of the < < airshed on Hydrate Plugging impact, the experimental study of a kind of airshed on Hydrate Plugging impact disclosed, and specifically disclose a kind of dynamic testing equipment, it is mainly by high cryostat, displacement system, the compositions such as pressure acquisition system, and automatic pump A disclosed in apparatus structure process flow diagram, automatic pump B, gas tank, water tank, valve 1, valve 2, sensor, computer acquisition system, low-temperature bake oven, check valve, air water quantifier.The full-automatic pump A of high pressure constant speed and constant pressure and B provide different stable flow velocity or pressure for flow test; The intermediate receptacle of resistance to 70MPa is used for the G&W of splendid attire high pressure; Pipeline is smooth tubule, for gas, water two-phase provide flow path and hydrate build environment; High low-temperature bake oven is controlled pipeline environment temperature; Check valve control tube road top hole pressure; Air water quantifier is used for collecting air water and processes.But this device is not realized visualization function.
The present invention is for studying the interior multicomponent gas hydrate of pipeline in the deposition of high-voltage high-speed airflow, the process of can analog gas hydrate separating out in high-voltage high-speed airflow, migrate and depositing, the directly interaction between air-flow and gas hydrate particle, gas hydrate particle in the various angle pipelines of observation, provide flow at high speed feature, migration mechanism and the deposition rule of pipeline gas solid phase, and can be used for the evaluation of gas hydrate inhibitor.
Through literature survey, aspect multicomponent gas hydrate generates, migrates and deposits in high-voltage high-speed airflow in simulating pipeline, do not find the report of the thinking relevant with visual dynamic simulating device for deposition in gas hydrate pipeline, product, process design method and theoretical basis research.
Summary of the invention
The object of the invention is: in order to simulate rock gas in exploitation, transportation, the phenomenon that in pipeline, multicomponent gas hydrate generates, migrates and deposit in high-voltage high-speed airflow, the directly interaction between air-flow and gas hydrate particle, gas hydrate particle in the various angle pipelines of observation, spy provides visual dynamic simulating device for deposition in gas hydrate pipeline.
For achieving the above object, the present invention is by the following technical solutions: visual dynamic simulating device for deposition in gas hydrate pipeline, by air-liquid circulating system, reactive system, data acquisition system (DAS), pipe temperature attitude control system, formed, its architectural feature is: air-liquid circulating system is by low pressure gasholder, fluid reservoir, high-pressure pump, high pressure tank, volume pump, gas-liquid separator forms, the first temperature sensor and the first pressure transducer are installed in low pressure gasholder top, and the entrance of low pressure gasholder connects the 3rd stop valve, and outlet connects high-pressure pump; The endpiece of high-pressure pump is connected to the inlet end of high pressure tank, and the first non-return valve is installed between high-pressure pump and high pressure tank; High-pressure gas upper end is installed the second pressure transducer, and endpiece connects the second non-return valve; Fluid reservoir entrance connects the first stop valve, and outlet connects volume pump, and volume pump outlet is connected with the 3rd non-return valve; After the second non-return valve and the 3rd non-return valve pick out pipeline and converge, a by-pass line and the first pressure maintaining valve join, the first pressure maintaining valve endpiece access port electrical heat tracing pipeline, first another by-pass line of pressure maintaining valve porch connects the first safety valve, and entrance electrical heat tracing pipeline connects reaction under high pressure cylinder bottom; The inlet end of gas-liquid separator connects the end of outlet electrical heat tracing pipeline, the lower end outlet of gas-liquid separator connects the first stop valve, upper end exports a by-pass line and connects the 3rd stop valve, another by-pass line connects the second stop valve, the second stop valve connects vacuum pump again, and vacuum pump tail end connects exhaust gas processing device; Reactive system consists of reaction under high pressure cylinder, view window, reaction under high pressure cylinder top connects with the second pressure maintaining valve, the second pressure maintaining valve endpiece connects outlet electrical heat tracing pipeline, another outlet of the second pressure maintaining valve connects the second safety valve, two view windows are arranged on respectively reaction under high pressure cylinder by near barrel both sides top, reaction under high pressure cylinder top is provided with the second temperature sensor and the 4th pressure transducer, reaction under high pressure cylinder bottom is provided with the 3rd pressure transducer, and another by-pass line connects entrance heating and thermal insulation pipeline.
Data acquisition system (DAS) is by data collecting card, computing machine, and LED cold light source, high speed camera forms.LED cold light source and high speed camera are individually fixed in the outside of two view windows, and high speed camera is connected with computing machine with cable, and computing machine connects data collecting card again, and each temperature sensor is connected with data collecting card with data line with pressure transducer.Pipe temperature attitude control system is by constant temperature oven, clamper, and turning axle, angle scale forms.Constant temperature oven is arranged on the outside of whole reactive system, encapsulation reaction system, and turning axle is arranged on constant temperature oven tank wall, one end joint angle scale, the other end connects clamper, and two ends clamper tightly contacts with reaction under high pressure cylinder.
Architectural feature of the present invention is: air-liquid circulating system, reactive system, data acquisition system (DAS), pipe temperature attitude control system, consist of.Air-liquid circulating system parts used are to consist of corrosion-resistant and high-temperature resistant high pressure pipe material, in system, with two pressure maintaining valves, carry out constant high-pressure reaction tube gateway pressure, guarantee that reaction under high pressure cylinder gas flow rate is constant controlled simultaneously.In system, use low pressure gasholder, high pressure tank, fluid reservoir and gas-liquid separator; realized and will after gas-liquid mixed, send into reaction under high pressure cylinder; the potpourri again reaction under high pressure cylinder being flowed out is separated; by separated gas-liquid cycle utilization; saved experiment gas-liquid; reduced experimental cost, protection of the environment.Reactive system reaction under high pressure cylinder used is to consist of corrosion-resistant and high-temperature resistant high pressure steel, reaction under high pressure cylinder barrel both sides are provided with anti-high pressure view window, anti-high pressure view window is to form with sapphire glass, can realize under high-voltage high-speed airflow the visual inspection that gas hydrate is generated, migrates and deposit.Pipe temperature attitude control system has been used clamper, turning axle and angle scale.By adjusting angle scale, can make reaction under high pressure cylinder and ground be any angle, conveniently the pipeline of different attitudes be simulated.
Principle of work of the present invention is: low pressure gasholder is for the lower gas of pressure store, and the pressure transducer that install on its top and temperature sensor change for monitoring its inner pressure and temp.High-pressure pump will pump into high pressure tank after the gas boosting in low pressure gasholder, and non-return valve prevents gas backstreaming.The pressure transducer that high-pressure gas upper end is installed changes for monitoring its inner pressure.Volume pump pumps into circulation line by the liquid in fluid reservoir, mixes with the gas in pipeline, and two non-return valve prevent respectively the backflow of gas, liquid.Gas-liquid mixture, through pressure maintaining valve, flows in reaction under high pressure cylinder, and pressure maintaining valve is used for keeping reaction under high pressure cylinder feed pressure constant.Entrance electrical heat tracing pipeline is used for preventing that pressure maintaining valve from causing circulation line frozen block because of throttling action, and the effect of safety valve is in the situation that there is frozen block near pressure maintaining valve, prevents that circulation line from damaging because of hypertonia.The pressure transducer that install the pressure transducer that install on reaction under high pressure cylinder top and temperature sensor and bottom changes for monitoring its inner pressure and temp, high speed camera sees through view window and observes the interaction between air-flow and gas hydrate particle, gas hydrate particle, and LED cold light source provides background light source for observation.Clamper, turning axle is that reaction under high pressure cylinder provides support, and adjusts angle scale and can make reaction under high pressure cylinder and ground be any angle.Constant temperature oven can make reaction under high pressure cylinder remain at a certain steady temperature.The gas-liquid mixture flowing out from reaction under high pressure cylinder, through pressure maintaining valve, flows into gas-liquid separator, and pressure maintaining valve is used for keeping reaction under high pressure cylinder outflow pressure constant.Outlet electrical heat tracing pipeline is used for preventing that pressure maintaining valve from causing circulation line frozen block because of throttling action, and the effect of safety valve is in the situation that there is frozen block near pressure maintaining valve, prevents that circulation line from damaging because of hypertonia.Gas-liquid separator is used for gas-liquid separation, and after separation, gas-liquid is injected respectively low pressure gasholder and fluid reservoir respectively.The effect of vacuum pump is to extract the air in circulation line before device normal operation, and device is finished using, and the experimental gas in exhaust gas processing device processing pipeline keeps clean environment.Each sensor is connected with data collecting card by data line, and data collecting card is converted into digital signal by the simulating signal of each sensor input, then inputs computing machine.The image that high speed camera is taken, directly imports computing machine in the mode of digital signal.
Concrete operation step of the present invention is: before starting outfit, checkout facility software and hardware is errorless, opens computing machine, and adjusting angle dish makes reaction under high pressure cylinder and ground elevation reach requirement of experiment.Close all valves, regulate the pressure of opening of pressure maintaining valve.To low pressure gasholder and high pressure tank injection experiments gas, make low pressure gasholder and high pressure tank reach certain pressure respectively.To injecting a certain amount of water in fluid reservoir or being mixed with the liquid of hydrate inhibitor.Open vacuum pump, open vacuum pump inlet valve, make to reach in reaction under high pressure cylinder and circulation line required vacuum tightness.Close vacuum pump and vacuum pump inlet valve, open high-pressure pump, volume pump, outlet valve of metering pump door and high pressure tank outlet valve, and continue to low pressure gasholder injection experiments gas to keep its internal pressure.When circulation line internal pressure reach that pressure maintaining valve sets open pressure time, open fluid reservoir inlet valve and low pressure gasholder inlet valve, stop to low pressure gasholder injection experiments gas.Regulating constant incubator temperature, opens LED cold light source, starts analog gas hydrate pipeline deposition.In simulation process, by regulating high-pressure pump power, keep circulation line each point pressure stability.Computer recording experiment starts the circulation line each point pressure and temp value arriving to each sensor measurement in end time section, the image that Real-time Collection high speed camera observes, by the interaction between image processing software analytical gas hydrate air-flow and gas hydrate particle, gas hydrate particle.After experiment, close high-pressure pump and volume pump, emptying fluid reservoir, in low pressure gasholder, high pressure tank and circulation line, gas is discharged after exhaust gas processing device is processed.
Compared with prior art, the present invention has following beneficial effect: the process that in (1) real simulation pipeline inner high voltage high velocity air, gas hydrate generates, migrates and deposit; (2) directly observe the interaction between the interior air-flow of various angle pipelines and gas hydrate particle, gas hydrate particle; (3) realize recycling of experiment gas-liquid, saved experiment gas-liquid, reduced experimental cost, protection of the environment; (4) simulation process total digitalization is monitored and record, can sum up flow at high speed feature, migration mechanism and the deposition rule of pipeline gas solid phase; (5) can be used for the evaluation of gas hydrate inhibitor.
Accompanying drawing explanation
Fig. 1 is the structural representation of visual dynamic simulating device for deposition in gas hydrate pipeline of the present invention.
In figure: 1, the first temperature sensor, 2, the first pressure transducer, 3, low pressure gasholder, 4, fluid reservoir, 5, high-pressure pump, 6, data collecting card, 7, the first non-return valve, 8, the second pressure transducer, 9, high pressure tank, 10, computing machine, 11, the second non-return valve, 12, volume pump, 13, the 3rd non-return valve, 14, the first pressure maintaining valve, 15, the first safety valve, 16, entrance electrical heat tracing pipeline, 17, the 3rd pressure transducer, 18, constant temperature oven, 19, reaction under high pressure cylinder, 20, clamper, 21, turning axle, 22, angle scale, 23, LED cold light source, 24, high speed camera, 25, view window, 26, the second temperature sensor, 27, the second safety valve, 28, the second pressure maintaining valve, 29, the 4th pressure transducer, 30, outlet electrical heat tracing pipeline, 31, the first stop valve, 32, exhaust gas processing device, 33, vacuum pump, 34, gas-liquid separator, 35, the second stop valve, 36, the 3rd stop valve.
Embodiment
The simulation of take is example with the device that horizontal direction is the gas transmission line of 5 ° of angles, pipeline internal diameter 20mm, and the invention will be further described by reference to the accompanying drawings.The pipeline displacement of its simulation is every days 20,000 10 ℃ of side, line pressure 10MPa, environment temperatures.
Consult Fig. 1.Visual dynamic simulating device for deposition in gas hydrate pipeline, is comprised of air-liquid circulating system, reactive system, data acquisition system (DAS), pipe temperature attitude control system.Air-liquid circulating system is by low pressure gasholder 3, fluid reservoir 4, and high-pressure pump 5, high pressure tank 9, volume pump 12, gas-liquid separator 34 forms.The first temperature sensor 1 and the first pressure transducer 2 are installed in low pressure gasholder 3 tops, and entrance connects the 3rd stop valve 36, and outlet connects high-pressure pump 5.The endpiece of high-pressure pump 5 is connected to the inlet end of high pressure tank 9, and 9 of high-pressure pump 5 and high pressure tanks are provided with the first non-return valve 7.The second pressure transducer 8 is installed on high pressure tank 9 tops, and endpiece connects the second non-return valve 11.Fluid reservoir 4 entrances connect the first stop valve 31, and outlet connects volume pump 12, and volume pump 12 outlets are connected with the 3rd non-return valve 13.After picking out pipeline and converge, the second non-return valve 11 and the 3rd non-return valve 13 join with the first pressure maintaining valve 14, the first pressure maintaining valve 14 endpiece access port electrical heat tracing pipelines 16, the first pressure maintaining valve 14 porch separately connect the first safety valve 15, and entrance electrical heat tracing pipeline 16 connects reaction under high pressure cylinder 19 bottoms.Reaction under high pressure cylinder 19 tops and the second pressure maintaining valve 28 join, the second pressure maintaining valve 28 endpiece exit electrical heat tracing pipelines 30, the second pressure maintaining valve 28 porch separately connect the second safety valve 27, outlet electrical heat tracing pipeline 30 ends connect gas-liquid separator 34, the outlet upper and lower side of gas-liquid separator 34 connects respectively the second stop valve 36, the first stop valve 31, the endpiece of gas-liquid separator 34 and 36 of the second stop valves separately connect the 3rd stop valve 35, connect vacuum pump 33, vacuum pump 33 tail ends connect exhaust gas processing device 32 again.Reactive system is by reaction under high pressure cylinder 19, and view window 25 forms.Two view windows 25 are arranged on respectively reaction under high pressure cylinder 19 by near barrel both sides top.The second temperature sensor 26 and the 4th pressure transducer 28 are installed in reaction under high pressure cylinder 19 tops, and the 3rd pressure transducer 17 is installed in bottom.There is gas-liquid flow entrance reaction under high pressure cylinder 19 lower ends, join with the entrance electrical heat tracing pipeline 16 of air-liquid circulating system, and upper end has gas-liquid flow outlet and outlet electrical heat tracing pipeline 30 to join.Reaction under high pressure cylinder 19 middle parts are held device 20 clampings.Data acquisition system (DAS) is by data collecting card 6, computing machine 10, and LED cold light source 23, high speed camera 24 forms.LED cold light source 23 and high speed camera 24 are individually fixed in the outside of two view windows 25, and high speed camera 24 is connected with computing machine 10 by cable, and each sensor is connected with data collecting card 6 by data line, and data collecting card 6 is connected with computing machine 10.Pipe temperature attitude control system is by constant temperature oven 18, clamper 20, and turning axle 21, angle scale 22 forms.Constant temperature oven 18 is arranged on the outside of whole reactive system, encapsulation reaction system, LED cold light source 23 and high speed camera 24, and turning axle 21 runs through constant temperature oven 18 tank walls, one end joint angle scale 22, clamper 20 is arranged on turning axle 21, clamping reaction under high pressure cylinder 19.
Before starting outfit, checkout facility software and hardware is errorless, opens computing machine 10, and adjusting angle dish 22 makes reaction under high pressure cylinder 19 and ground elevation reach requirement of experiment.Close all valves, regulate the first pressure maintaining valve 14, the second pressure maintaining valve 28 to open pressure.To low pressure gasholder 3 and high pressure tank 9 injection experiments gases, make low pressure gasholder 3 and high pressure tank 9 reach certain pressure respectively.To a certain amount of deionized water of the interior injection of fluid reservoir 4.Open vacuum pump 33, open the 3rd stop valve 35, make to reach in reaction under high pressure cylinder 19 and circulation line required vacuum tightness.Close vacuum pump 33 and the 3rd stop valve 35, open high-pressure pump 5, volume pump 12, the first non-return valve 8, the second non-return valve 11, the 3rd non-return valve 13, and continue to low pressure gasholder 3 injection experiments gases to keep its internal pressure.When circulation line internal pressure reach that the first pressure maintaining valve 14, the second pressure maintaining valve 28 set open pressure time, open the first stop valve 31, the second stop valve 36, stop to low pressure gasholder 3 injection experiments gases.Regulating constant incubator 18 temperature, open LED cold light source 23, start analog gas hydrate pipeline deposition.In simulation process, by regulating high-pressure pump 5 power, keep circulation line each point pressure stability.The experiment of computing machine 10 record starts the circulation line each point pressure and temp value arriving to each sensor measurement in end time section, the image that Real-time Collection high speed camera observes, by the interaction between image processing software analytical gas hydrate air-flow and gas hydrate particle, gas hydrate particle.After experiment, close high-pressure pump 5 and volume pump 12, emptying fluid reservoir 4, low pressure gasholder 3, high pressure tank 9 are discharged after exhaust gas processing device 32 is processed with the interior gas of circulation line.

Claims (2)

1. visual dynamic simulating device for deposition in gas hydrate pipeline, by air-liquid circulating system, reactive system, data acquisition system (DAS), pipe temperature attitude control system forms, it is characterized in that: air-liquid circulating system is by low pressure gasholder (3), fluid reservoir (4), high-pressure pump (5), high pressure tank (9), volume pump (12) and gas-liquid separator (34) form, low pressure gasholder (3) top is provided with the first temperature sensor (1) and the first pressure transducer (2), entrance termination the 3rd stop valve (36) of low pressure gasholder (3), outlet termination high-pressure pump (5), the endpiece of high-pressure pump (5) is connected to the inlet end of high pressure tank (9), between high-pressure pump (5) and high pressure tank (9), the first non-return valve (7) is installed, the second pressure transducer (8) is installed on high pressure tank (9) top, and the endpiece of high pressure tank (9) connects the second non-return valve (11), the inlet end of fluid reservoir (4) connects the first stop valve (31), and outlet connects volume pump (12), and the endpiece of volume pump (12) is connected with the 3rd non-return valve (13) again, after the second non-return valve (11) and the 3rd non-return valve (13) pick out pipeline and converge, a by-pass line is connected the first safety valve (15), another by-pass line connects with the first pressure maintaining valve (14), and the endpiece of the first pressure maintaining valve (14) connects entrance electrical heat tracing pipeline (16) again, the inlet end of gas-liquid separator (34) connects the end of outlet electrical heat tracing pipeline (30), the lower end outlet of gas-liquid separator (34) connects the first stop valve (31), upper end exports a by-pass line and connects the 3rd stop valve (36), another by-pass line connects the second stop valve (35), the second stop valve (35) connects vacuum pump (33) again, and vacuum pump (33) tail end connects exhaust gas processing device (32), reactive system is by reaction under high pressure cylinder (19), view window (25) forms, reaction under high pressure cylinder (19) top connects with the second pressure maintaining valve (28), the endpiece of the second pressure maintaining valve (28) connects outlet electrical heat tracing pipeline (30), another outlet of the second pressure maintaining valve (28) connects the second safety valve (27), two view windows (25) are arranged on respectively reaction under high pressure cylinder (19) by near barrel both sides top, reaction under high pressure cylinder (19) top is provided with the second temperature sensor (26) and the 4th pressure transducer (29), the 3rd pressure transducer (17) is installed in reaction under high pressure cylinder (19) bottom, another by-pass line connects entrance electrical heat tracing pipeline (16), data acquisition system (DAS) consists of with high speed camera (24) data collecting card (6), computing machine (10), LED cold light source (23), LED cold light source (23) and high speed camera (24) are separately fixed at the outside of two view windows (25), high speed camera (24) is connected with computing machine (10) with cable, computing machine (10) connects data collecting card (6) again, temperature sensor (1,26) and pressure transducer (2,8,17,29) use respectively data line to be connected with data collecting card (6), pipe temperature attitude control system consists of constant temperature oven (18), clamper (20), turning axle (21), angle scale (22), constant temperature oven (18) is arranged on the outside of whole reactive system, encapsulation reaction system, turning axle (21) is arranged on constant temperature oven (18) tank wall, turning axle (21) one end joint angle scale (22), the other end connect clamper (20), and two ends clamper (20) tightly contacts with reaction under high pressure cylinder (19).
2. Visual Dynamic analogue means according to claim 1, is characterized in that: above-mentioned air-liquid circulating system parts used are that corrosion-resistant and high-temperature resistant high pressure pipe material forms; Above-mentioned reactive system reaction under high pressure cylinder used (19) is to consist of corrosion-resistant and high-temperature resistant high pressure steel, and view window (25) is to form with resistance to compression sapphire glass.
CN201110340685.0A 2011-11-02 2011-11-02 Visual dynamic simulating device for deposition in gas hydrate pipeline Expired - Fee Related CN102507871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110340685.0A CN102507871B (en) 2011-11-02 2011-11-02 Visual dynamic simulating device for deposition in gas hydrate pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110340685.0A CN102507871B (en) 2011-11-02 2011-11-02 Visual dynamic simulating device for deposition in gas hydrate pipeline

Publications (2)

Publication Number Publication Date
CN102507871A CN102507871A (en) 2012-06-20
CN102507871B true CN102507871B (en) 2014-03-05

Family

ID=46219977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110340685.0A Expired - Fee Related CN102507871B (en) 2011-11-02 2011-11-02 Visual dynamic simulating device for deposition in gas hydrate pipeline

Country Status (1)

Country Link
CN (1) CN102507871B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103105466A (en) * 2013-01-05 2013-05-15 中国科学院广州能源研究所 Device and method for kinetic study of drilling fluid and natural gas hydrate
CN103175750B (en) * 2013-03-20 2015-04-22 西南石油大学 Gel drainage rate testing device and testing method
CN104237454B (en) * 2013-06-18 2016-09-07 中国石油天然气股份有限公司 The simulation of natural gas line hydrate generates method of testing and device
CN103698102B (en) * 2013-12-17 2016-08-17 哈尔滨工程大学 A kind of interbank High Temperature High Pressure vehicle repair major flow pattern experimental provision and discrimination method
CN103924948A (en) * 2014-04-02 2014-07-16 中国石油天然气股份有限公司 Vortex flow state simulation visual test device
CN104062214B (en) * 2014-06-04 2016-02-03 西南石油大学 Sulphur deposition in wellhole visual experimental apparatus and method
CN104215742B (en) * 2014-08-28 2018-04-13 华南理工大学 A kind of visualization wheel pipe device for evaluating hydrate inhibitor performance
CN105445142B (en) * 2014-09-02 2019-03-26 中国海洋石油集团有限公司 Mobile natural gas hydrate evaluating apparatus
CN104406980B (en) * 2014-11-28 2017-03-29 西南石油大学 Carbon dioxide water phase visual testing device and method in porous media
CN104807821B (en) * 2015-04-13 2017-10-20 华南理工大学 A kind of hydrate inhibitor performance evaluated waves reaction unit
KR101801481B1 (en) * 2016-08-19 2017-11-27 한밭대학교 산학협력단 Method and apparatus for carbon dioxide transporting
CN109569029B (en) * 2016-12-27 2020-12-15 兰州空间技术物理研究所 Centrifugal gas-liquid separator test device
CN106894810B (en) * 2017-02-22 2021-04-20 中国石油大学(华东) Monitoring device and method for hydrate deposition rule during deep water gas well test
CN108106970B (en) * 2017-12-15 2019-09-24 中国石油大学(北京) Visual heat resisting and pressure resisting device, gas-liquid interface mass transfer dissolution measuring device and method
CN109681198B (en) * 2019-01-25 2021-11-19 大连理工大学 Multi-mode exploitation simulation device and method for different types of natural gas hydrate reservoirs
CN111841460B (en) * 2019-04-25 2022-05-24 中国石油化工股份有限公司 Hydrate visualization experiment device and method
CN111022925A (en) * 2019-11-18 2020-04-17 大连理工大学 Visual swing kettle device and method for inhibiting pipeline hydrate blockage
CN111456689A (en) * 2020-04-29 2020-07-28 江苏拓创科研仪器有限公司 Hydrate development simulation system and hydrate displacement simulation system
CN112362297B (en) * 2020-10-19 2023-11-28 中国科学院合肥物质科学研究院 Divertor purging test loop data acquisition system and method
CN115788420A (en) * 2022-12-26 2023-03-14 西南石油大学 Device and method for simulating blockage of shaft by hydrate in gas production process
CN116046778B (en) * 2023-03-06 2023-05-30 西南石油大学 On-line visual test equipment and method for hydrate generation and inhibition effect

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050221A (en) * 2001-08-06 2003-02-21 Mitsubishi Heavy Ind Ltd Hydrate content measuring method, measuring device and facility equipped with the same
JP2009046656A (en) * 2007-07-24 2009-03-05 Mitsui Eng & Shipbuild Co Ltd Apparatus for producing gas hydrate and apparatus for measuring gas hydrate concentration
CN101458245A (en) * 2008-12-31 2009-06-17 四川大学 Portable high-pressure and gas hydrate experimental device
CN101718710A (en) * 2009-11-20 2010-06-02 上海理工大学 Visual experimental device for hydrogen gas hydrate characteristic research
CN102226499A (en) * 2011-03-31 2011-10-26 中国海洋石油总公司 Simulated deepwater oil-gas-water mixed transportation experimental device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003050221A (en) * 2001-08-06 2003-02-21 Mitsubishi Heavy Ind Ltd Hydrate content measuring method, measuring device and facility equipped with the same
JP2009046656A (en) * 2007-07-24 2009-03-05 Mitsui Eng & Shipbuild Co Ltd Apparatus for producing gas hydrate and apparatus for measuring gas hydrate concentration
CN101458245A (en) * 2008-12-31 2009-06-17 四川大学 Portable high-pressure and gas hydrate experimental device
CN101718710A (en) * 2009-11-20 2010-06-02 上海理工大学 Visual experimental device for hydrogen gas hydrate characteristic research
CN102226499A (en) * 2011-03-31 2011-10-26 中国海洋石油总公司 Simulated deepwater oil-gas-water mixed transportation experimental device

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
Annie Fidel-Dufour.Rheology of methane hydrate slurries during their crystallization in a water in dodecane emulsion under flowing.《Chemical Engineering Science》.2006,505-515.
HCFC-141b水合物在管道中形成及堵塞实验研究;王武昌;《西安交通大学学报》;20080531;602-606 *
Rheology of methane hydrate slurries during their crystallization in a water in dodecane emulsion under flowing;Annie Fidel-Dufour;《Chemical Engineering Science》;20061231;505-515 *
刘建仪.新型水合物动力学抑制剂评价及应用.《开发工程》.2011,65-69.
刘建仪.气流量对水合物堵塞影响的试验研究.《石油天然气学报(江汉石油学院学报)》.2011,155-158. *
新型水合物动力学抑制剂评价及应用;刘建仪;《开发工程》;20110131;65-69 *
水合物浆液流动特性研究;黄强;《油气储运》;20071231;16-23 *
王武昌.HCFC-141b水合物在管道中形成及堵塞实验研究.《西安交通大学学报》.2008,602-606.
黄强.水合物浆液流动特性研究.《油气储运》.2007,16-23.

Also Published As

Publication number Publication date
CN102507871A (en) 2012-06-20

Similar Documents

Publication Publication Date Title
CN102507871B (en) Visual dynamic simulating device for deposition in gas hydrate pipeline
CN103592213B (en) A kind of adaptation many permeability grade distributary acid experimental provision and evaluation method
CN206609743U (en) Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system
CN103711483B (en) Simulation system and simulation method of hydrocarbon generation, adsorption and desorption of shale
CN202788823U (en) Thick-oil reservoir gas injection huff-puff oil extraction physical simulation experiment device
CN104297128A (en) Triaxial stress seepage experiment device under high pressure water and subpressure loading condition
CN104034644B (en) A kind of can the heterogeneous percolating medium triaxial stress seepage flow coupling test device of Quick Measurement porosity
CN109060616B (en) High-precision visual testing device and method for pit shaft sulfur deposition influence factors
CN207215709U (en) Device for rock cranny three-phase flow displacement disperse capture research
CN104879094B (en) A kind of downhole choke Wellbore of Gas Wells analogue experiment installation
CN105928832B (en) The assay method of capillary viscosity analyzer and fluid viscosity
CN206740588U (en) A kind of carbon dioxide dry method fracturing fluid solid-carrying performance evaluating apparatus
CN108222926A (en) Relief well kill-job analogue experiment installation and method
CN107762482A (en) A kind of rock fracture seepage flow underground heat exploits simulation system
US10866165B2 (en) System for automatic sampling and detection of on-line gas by high-temperature and high-pressure simulator and detection method thereof
CN105258840A (en) Method for measuring optimum miscible pressure and miscible region of carbon dioxide between injection and production wells
CN105136581A (en) Multifunctional fracturing simulation test system and method
CN108086960A (en) A kind of water erosion method exploitation of gas hydrates experimental simulation method and apparatus
CN105181222A (en) Device for measuring carbon dioxide minimum miscible pressure in multiple modes
CN101800000B (en) Natural gas exploitation simulator of multi-angle horizontal branch well
CN103149012A (en) Experimental device and method for simulating flow characteristic of coal bed gas gathering and transportation pipeline
CN102564900B (en) Simulation test method for seepage process of polymer solution at different positions of stratum
CN203116939U (en) Experimental device simulating flow characteristics of coalbed methane gathering and transportation pipeline
CN104880385A (en) System and method for testing rheological properties of carbon dioxide anhydrous fracturing fluid
CN107975365A (en) Simulate the experimental provision and experimental method of gas condensate reservoir straight well

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140305

Termination date: 20211102

CF01 Termination of patent right due to non-payment of annual fee