CN103470220A - Natural gas hydrate simulation experiment device - Google Patents
Natural gas hydrate simulation experiment device Download PDFInfo
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- CN103470220A CN103470220A CN2013103642744A CN201310364274A CN103470220A CN 103470220 A CN103470220 A CN 103470220A CN 2013103642744 A CN2013103642744 A CN 2013103642744A CN 201310364274 A CN201310364274 A CN 201310364274A CN 103470220 A CN103470220 A CN 103470220A
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- 238000004088 simulation Methods 0.000 title abstract description 11
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 71
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- 150000004677 hydrates Chemical group 0.000 claims abstract description 38
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Abstract
The invention relates to a natural gas hydrate simulation experiment device which comprises longitudinal reaction equipment and transverse reaction equipment, wherein a sapphire reaction kettle is communicated in the longitudinal reaction equipment; one side of the sapphire reaction kettle is correspondingly provided with a visualization device; a temperature gradient control layer and a probe measuring system are arranged on the longitudinal reaction equipment, the transverse reaction equipment and the sapphire reaction kettle; the probe measurement system is connected with a data acquisition and processing system; the bottom of the longitudinal reaction equipment is provided with an air inlet pipeline, a pressurizing pipeline and a water discharge pipeline. The simulation experiment device can realize that the temperature in the container presents gradient distribution, and the hydrate is synthesized in the local layer section in the container; gas is fed from the bottom of the container and moves upwards in a diffusion mode, so that the formation and decomposition of hydrates can be effectively simulated; the temperature, pressure distribution and hydrate saturation change can be measured in real time; influence research of mining simulation in the mass transfer process can be developed; further understanding the formation rule of hydrate and the mass transfer and decomposition rule of hydrate layer.
Description
Technical field
The invention relates to a kind of experimental facilities, relate in particular to a kind of gas hydrates analogue experiment installation based on mass transport process.
Background technology
Since the nineties in 20th century, along with the progressively intensification of people to gas hydrates understanding, gas hydrates, as a kind of grand strategy resource and potential Geological Environment Influence factor, have carried out deeply comprehensively research in global scope.Certainly, simulation experiment study under laboratory scale is a wherein important ring, at present the research means of hydrate presents interdiscipline, multi-disciplinary application characteristic, a large amount of innovative techniques and means are applied to the research of hydrate, and its approach mainly contains three classes: directly application in in-situ testing device; Adopt modern test technology research hydrate sample; The transformation tester makes it to adapt to the in-situ test of hydrate.
By the laboratory experiment analog study, in the formation of analysis-by-synthesis gas hydrates and decomposable process, the isoparametric dynamic change of each materialization and mechanics, have important directive significance for further understanding gas hydrates output condition, formation mechanism, the regularity of distribution, environmental effect etc.(2008) such as industry Chongqing light utilize ultrasonic and Time Domain Reflectometry combined detection technology, studied the relation of hydrate concentration and acoustic characteristic in the deposit; Song Liquns etc. (2011) are for the formation condition influence factor of gas hydrates, means of testing by experiment, the impact of the various factors such as salinity, alcohols of having studied composition, acid gas content, the water of natural gas when gas hydrates form on the pressure and temp condition that forms; Sun Jianye etc. (2009), based on the natural gas hydrate simulating mining experimental apparatus of research and development voluntarily, have carried out the experimental study of electrical heating method and two kinds of production techniques of decompression method; Li Shuxia etc. (2010) utilize homemade hydrate exploitation simulated experiment system, gas hydrates heat injection salt water decomposition dynamic process and the heat injection parameter impact on the heating exploitation energy efficiency in porous media under simulation Marine Geology condition; Zhang Xuhui etc. (2012), by the indoor synthesis hydrate sediment, carrying out centrifuge experiment, have explored decomposition of hydrate and have caused that submarine slope is out of shape and evolutionary process and the destructive characteristics of slump; Sun Xiaojie etc. (2012) utilize the hydrate in-situ measurement system of independent development, have studied the mechanical property of the hydrate sediment rock sample of different hydrate concentrations under different confined pressure conditions.Above-mentioned experimental study analysis all be unable to do without the hydrate analogue experiment installation, with the research and development of timer and design, also directly affects the parameter of experiment type and test.
The domestic research and design unit that carries out the hydrate analogue experiment installation mainly contains the mechanisms such as Qingdao Inst of Marine Geology, Guangzhou Energy Resource Inst., Chinese Academy of Sciences, Wuhan Inst. of Rock and Soil Mechanics, Chinese Academy of Sciences, Chinese Marine University, China Petroleum Univ. (East-China), Dalian University of Technology, China National Offshore Oil Corporation, but all there is certain weak point in the instrument of every unit development.As: the assay method of the resistance of the gas hydrates that Chinese Patent Application No. is 201010282443.6 and special purpose device function thereof are more single, can only the assaying reaction still in gas hydrates resistance, the gas hydrate thermophysical property simulation experiment device that Chinese Patent Application No. is 201010222093.4, the generation simulator for natural gas hydrates that Chinese Patent Application No. is 200520085585.8, the in site measurement gas hydrate that Chinese Patent Application No. is 200410051811.0 and containing the method and apparatus of hydrate deposit sediment heat stability etc., its hydrate forms and decomposes is all separately independently in small container, can not reflect that in true stratum, hydrate is only composed the phenomenon of depositing at local interval, gas enters from container top simultaneously, with gas in natural environment, by bottom, up spread inconsistent.
Natural Gas In China hydrate stock number is huge, the mechanism of generation, enrichment and the decomposition of research hydrate is for exploration and to develop natural gas hydrate resources significant, sets up a kind of gas hydrates analogue experiment installation and carries out gas hydrates fundamental research and seem particularly necessary.
Thus, the inventor, by means of being engaged in experience and the practice of relevant industries for many years, proposes a kind of gas hydrates analogue experiment installation, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of gas hydrates analogue experiment installation, to overcome, existing experimental facilities function singleness, reactor volume are little can not be reflected in true stratum that the hydrate interval is composed to deposit cash and the shortcoming such as resemble.
Another object of the present invention is to provide a kind of gas hydrates analogue experiment installation, can measure in real time temperature, pressure distribution and hydrate concentration and change; Realize in pure water that the video that hydrate generates, decompose detects; Realize level or vertical on temperature gradient and the equipment bottom air inlet of nature.
The object of the present invention is achieved like this, a kind of gas hydrates analogue experiment installation, the horizontal consersion unit that described analogue experiment installation includes vertical consersion unit and is communicated with vertical consersion unit sealing, vertically be communicated with in consersion unit and be provided with the sapphire reactor; Described sapphire reactor one side correspondence arranges visualization device; Described vertical consersion unit, horizontal consersion unit and sapphire reactor are provided with temperature gradient key-course and probe measurement system; Described vertical consersion unit, horizontal consersion unit, sapphire reactor and visualization device are arranged in a freezer room; Described probe measurement system is connected with data acquisition processing system; Described vertical consersion unit sealed bottom is provided with air inlet pipeline, pressure piping and discharge pipe line; Described vertical consersion unit top seal is provided with gas exhaust piping.
In a better embodiment of the present invention, described vertical consersion unit and horizontal consersion unit form the H pipe net; Described vertical consersion unit is to consist of a vertical reactor, or consists of a plurality of vertical reactor series connection conductings; Described horizontal consersion unit is to consist of a horizontal reactor, or consists of a plurality of horizontal reactor series connection conductings; Described sapphire reactor is arranged on the upper end of vertical consersion unit; Between described each reactor, by expanding cause for gossip, now be tightly connected.
In a better embodiment of the present invention, described freezer room is provided with refrigeration system; Described freezer is provided with equipment base in room, and described network collocation is on described equipment base.
In a better embodiment of the present invention, in described vertical consersion unit, vertical reactor bottom bottom is provided with the sealing bottom, and in described vertical consersion unit, vertical reactor top topmost is provided with top pressure closure; Described air inlet pipeline, pressure piping and discharge pipe line are through described sealing bottom, and sealing bottom top is provided with the air inlet pad; Described gas exhaust piping is through described top pressure closure.
In a better embodiment of the present invention, sequentially be provided with gas cylinder, pressure accommodometer, admission valve and flow meter in described air inlet pipeline; Be provided with supercharging equipment in described pressure piping; Be provided with draining valve in described discharge pipe line; Be provided with outlet valve in described gas exhaust piping.
In a better embodiment of the present invention, described sapphire reactor is provided with the sapphire visual window; Described visualization device comprises cold light picture pick-up device and the microexamination equipment that corresponding described sapphire visual window arranges.
In a better embodiment of the present invention, set temperature gradient key-course and probe measurement system on the whole or indivedual reactors in described vertical consersion unit, horizontal consersion unit.
In a better embodiment of the present invention, the probe measurement system be arranged on the sapphire reactor includes temperature probe, pressure probe, time domain reaction instrument probe, acoustic measurement probe and electrochemical impedance probe.
In a better embodiment of the present invention, the probe measurement system be arranged on vertical reactor and horizontal reactor includes temperature probe, pressure probe, time domain reaction instrument probe and acoustics measuring probe.
In a better embodiment of the present invention, the sapphire reactor, vertically the radius of reactor and horizontal reactor is identical with length; Internal diameter is 148mm, and design pressure is 30MPa, and working pressure is 9.99Mpa, and the every joint length of reactor is no more than 1m, and every joint volume is 17.89L.
From the above mentioned, the present invention is a kind of gas hydrates analogue experiment installation based on mass transport process, can realize that in container, temperature presents the gradient distribution by control appliance, can realize that hydrate local interval in container is synthetic; Gas is from the container bottom inflow, and with the diffusion way Upward Migration, simulating hydrate forms and decomposes effectively; Analogue experiment installation can be measured in real time temperature, pressure distribution and hydrate concentration and change; Can realize at any part of equipment the exchange of heat or different medium, carry out the impact research of exploitation simulation in mass transport process; Adopt electrochemical impedance spectroscopy, can record regional impedance spectrum; Machine acquisition process experimental data, can further be familiar with formation rule, the hydrate layer mass transfer of hydrate and decompose rule as calculated.
The accompanying drawing explanation
The following drawings only is intended to the present invention is done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the structural representation of gas hydrates analogue experiment installation of the present invention.
Fig. 2: for schematic diagram is arranged in structure and the detection of sapphire reactor in the present invention.
Fig. 3: for schematic diagram is arranged in structure and the detection of vertical reactor in the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing explanation the specific embodiment of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention proposes a kind of gas hydrates analogue experiment installation 100, the horizontal consersion unit 2 that described analogue experiment installation 100 includes vertical consersion unit 1 and is communicated with vertical consersion unit 1 sealing, vertically be communicated with in consersion unit 1 and be provided with sapphire reactor 3; Described sapphire reactor 3 one side correspondences arrange visualization device 4; Described vertical consersion unit 1, horizontal consersion unit 2 and sapphire reactor 3 are provided with temperature gradient key-course 5 and probe measurement system 6; Described vertical consersion unit 1, horizontal consersion unit 2, sapphire reactor 3 and visualization device 4 are arranged in a freezer room 7; Described probe measurement system 4 is connected with data acquisition processing system 8, and described data acquisition processing system comprises data acquisition unit and computer; Described vertical consersion unit 1 sealed bottom is provided with air inlet pipeline 91, pressure piping 92 and discharge pipe line 93; Described vertical consersion unit 1 top seal is provided with gas exhaust piping 94.
In the present embodiment, as shown in Figure 1, described vertical consersion unit 1 and horizontal consersion unit 2 form the H pipe nets; Described vertical consersion unit 1 is to consist of a plurality of vertical reactor 11 series connection conductings; Described horizontal consersion unit 2 is to consist of a horizontal reactor 21; Described sapphire reactor 3 is arranged on the upper end of vertical consersion unit 1; Described each reactor is low temperature resistant, a high voltage bearing container, between each reactor, by expanding cause for gossip, now is tightly connected.Described freezer room 7 is provided with refrigeration system 71; Be provided with equipment base 72 in described freezer room 7, equipment base 72 is reinforced concrete structures, and for fixing whole equipment, described network collocation is on described equipment base 72.
In the present embodiment, the structure of sapphire reactor 3, vertical reactor 11 and horizontal reactor 21 is basic identical; As shown in Figure 2, be the structural representation of sapphire reactor 3; As shown in Figure 3, be the vertical structural representation of reactor 11; Shown in the two ends of each single reactor be provided with seal cover; But, after each reactor is communicated with the access integral device, can remove according to actual connection the seal cover of respective ends; In the present embodiment, in described vertical consersion unit 1, vertical reactor 11 bottoms bottom are provided with sealing bottom 111, and in described vertical consersion unit 1, vertical reactor 11 tops topmost are provided with top pressure closure 112; Described air inlet pipeline 91, pressure piping 92 and discharge pipe line 93 are through described sealing bottom 111, sealing bottom 111 tops are provided with air inlet pad 113, can realize lower air inlet, process by the alternating temperature of inlet end, make inlet end not have the hydrate generation and cause air inlet pipeline to block; Described gas exhaust piping 94 is through described top pressure closure 112.
In the present embodiment, sequentially be provided with gas cylinder 911, pressure accommodometer 912, admission valve 913 and flow meter 914 in described air inlet pipeline 91; Be provided with increase equipment 921 in described pressure piping 92; Be provided with draining valve 931 in described discharge pipe line 93; Be provided with outlet valve 941 in described gas exhaust piping 94.
In the present embodiment, as shown in Figure 2, described sapphire reactor 3 is provided with sapphire visual window 31; Described visualization device 4 comprises cold light picture pick-up device 41 and the microexamination equipment 42 that corresponding described sapphire visual window 31 arranges; In the aqueous solution, hydrate forms dynamically and can be transferred to computer by cold light picture pick-up device 41.In deposit, the generation state of hydrate, constituent can utilize Raman spectroscopy to detect by these windows, at relative position, arrange electrochemical electrode pair, utilize electrochemical workstation can record the impedance spectrum at this place.Adopt unique electrochemical impedance spectroscopy and the measurement means of Raman spectroscopy combination, pass through obtained sediment composition and impedance spectrum data, can calculate ion concentration herein of acquisition, diffusion coefficient, resistivity etc., the appearance of micro-crack in the time of even decomposition of hydrate can being detected.
In the present embodiment, according to requirement of experiment, can be chosen in set temperature gradient key-course 5 and probe measurement system 6 on the whole or indivedual reactors in described vertical consersion unit, horizontal consersion unit.The probe measurement system 6 be arranged on sapphire reactor 3 includes temperature probe 61, pressure probe 62, time domain reaction instrument probe 63, acoustic measurement probe 64 and electrochemical impedance probe 65, and sapphire reactor 3 need to arrange above-mentioned all or part of probe according to experiment; Above-mentioned probe is connected with data acquisition unit; And the probe measurement system 6 be arranged on vertical reactor 11 and horizontal reactor 21 includes temperature probe 61, pressure probe 62, time domain reaction instrument probe 63 and acoustics measuring probe 64, do not comprise electrochemical impedance probe 65.These survey marks can be measured along parameter distribution such as the temperature of pipeline direction, pressure, saturation ratios.
If probe measurement system 6 is arranged on the reactor at top, can corresponding probe sealing be inserted in reactor by top pressure closure; If, when probe measurement system 6 is arranged on the reactor in the middle of equipment, can utilize screw thread cutting ferrule technology to install at the reactor lateral opening hole, this be a kind of technique of maturation.
Sapphire reactor 3 described in present embodiment, vertically the radius of reactor 11 and horizontal reactor 21 is identical with length; Its internal diameter is 148mm, and design pressure is 30MPa, and working pressure is 9.99Mpa, and the every joint length of reactor is no more than 1m, and every joint volume is 17.89L.
The comprehensive existing hydrate investigative technique of gas hydrates analogue experiment installation of the present invention, on the basis of drawing the technology such as temperature and pressure measurement, resistance measurement, TDR, hydrate performance study design based on mass transport process, equipment is H type pipe network shape, can realize level or vertical on temperature gradient and the equipment bottom air inlet of nature, the employing fast-open type connects, can be in level and the distortion of vertical both direction independent assortment; Can realize at any part of equipment the exchange of heat or different medium, carry out the impact research of exploitation simulation in mass transport process.Adopt electrochemical impedance spectroscopy, by recording regional impedance spectrum, and then obtain the parameters such as ion concentration, diffusion coefficient, resistivity.Gas hydrates analogue experiment installation of the present invention can realize gas hydrates are formed the diffusion phenomena of gas phase, liquid phase in temperature in decomposable process, pressure and saturation ratio variation, hydrate, the formation of hydrate Dynamic Crack etc. is furtherd investigate and is simulated, by understanding and the understanding of deepening Gas Hydrate Deposition and exploitation.
The present invention adopts the monolithic air bath, and refrigeration system is separated with the freezer room, to prevent refrigeration compressor set, affects sensitive sensing system; Low-temperature circulating liquid enters the freezer room, by interchange of heat, freezer room temperature is reduced, and realizes whole pressure duct integral container cooling, under the system environment relatively constant in temperature, and temperature gradient that can flexible combination.
The meaning of measuring diffusion coefficient is when hydrate is exploited, the process that must be decomposition of hydrate, conflux and derive, in the variation in this Hydrate During Process and the diffusion of methane gas, deposit, other chemical compositions must be closely bound up as the diffusion of various salt negative ions.Therefore, utilize Raman to determine the component in somewhere, measure diffusion coefficient, in conjunction with the temperature difference on level, vertical direction, with the parameter (component, diffusion coefficient) at other positions, compare, just can summarize under level or Vertical Temperature field action, under the generation state of lower air inlet, the feature of decomposition of hydrate.
When the meaning of seizure micro-crack is decomposition of hydrate, hydrate is by lost strength.Due to the diverging flow of gas, cause micro-crack appearance, polymerization, cause the most at last the unstability of hydrate layer, the production process of micro-crack detected, will there is important directive significance to the exploitation method research of hydrate.
Before starting experiment, sapphire reactor, vertical reactor, horizontal reactor are cleaned with distilled water, then, after rinsing with saturation water, connected successively, and install on equipment base; In connection and installation process, according to the experiment needs, can in reactor, add the media such as saturation water, deposit or artificial rock; Connect the probes such as temperature probe, pressure probe, time domain reaction instrument (TDR) probe, electrochemical impedance probe, acoustic measurement probe, and by the sealing of data acquisition processing system inspection machine and the validity of probe; After upchecking, utilize refrigeration system that relevant temperature is down to in the freezer room, the temperature gradient key-course also can carry out the adjusting of formula in gradient to the temperature in reactor; By gas cylinder, pressure accommodometer etc. progressively to injecting gas in reactor; Control the pressure in reactor by supercharging equipment; By factors such as control temperature and pressures, hydrate generates lentamente in reactor, the variation of each parameter in the probe real-time detection reactors such as temperature probe, pressure probe, TDR probe, electrochemical impedance probe, acoustic measurement probe, and parameter is sent to data acquisition processing system, can show in real time on computers numerical value and the change curve thereof of each parameter; When the medium in the sapphire reactor is saturated aqueous solution, hydrate is in the sapphire reactor in forming process, its formation dynamically can be transferred to computer by the cold light picture pick-up device, show in real time on computers, also can pass through the sapphire visual window, utilize the formation of microexamination equipment clear view to hydrate, when growing amount is large simultaneously, by the sapphire visual window, naked eyes also can be observed hydrate.
After gas hydrates form, can be by controlling the temperature in freezer room or temperature gradient key-course rising reactor, or reduce the pressure in reactor by supercharging equipment, make gas hydrates start to decompose, utilize the variation of each parameter in the probe real-time detection reactors such as temperature probe, pressure probe, TDR probe, electrochemical impedance probe, acoustic measurement probe, and parameter is sent to data acquisition processing system, can show in real time on computers numerical value and the change curve thereof of each parameter.By parameter and the variation tendency thereof gathered, can for gas hydrates form and decomposable process in temperature, pressure and saturation ratio changes, the formation etc. of exploitation simulation in the diffusion, mass transport process of gas phase and liquid phase, hydrate Dynamic Crack is furtherd investigate and simulated in hydrate.
Gas hydrates analogue experiment installation of the present invention compared with prior art has following beneficial effect:
(1) device adopts fast-open type to connect, can be in level and the distortion of vertical both direction independent assortment;
(2) can measure in real time temperature, pressure distribution and hydrate concentration and change, be convenient to research and analyse hydrate and form the dynamic change of decomposing;
(3) can realize at any part of equipment the exchange of heat or different medium, carry out the impact research of exploitation simulation in mass transport process;
(4) adopt electrochemical impedance spectroscopy, by recording regional impedance spectrum, can obtain the parameters such as ion concentration, diffusion coefficient, resistivity.
The foregoing is only the schematic specific embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification, all should belong to the scope of protection of the invention.
Claims (10)
1. a gas hydrates analogue experiment installation is characterized in that: the horizontal consersion unit that described analogue experiment installation includes vertical consersion unit and is communicated with vertical consersion unit sealing, and vertically in consersion unit, connection is provided with the sapphire reactor; Described sapphire reactor one side correspondence arranges visualization device; Described vertical consersion unit, horizontal consersion unit and sapphire reactor are provided with temperature gradient key-course and probe measurement system; Described vertical consersion unit, horizontal consersion unit, sapphire reactor and visualization device are arranged in a freezer room; Described probe measurement system is connected with data acquisition processing system; Described vertical consersion unit sealed bottom is provided with air inlet pipeline, pressure piping and discharge pipe line; Described vertical consersion unit top seal is provided with gas exhaust piping.
2. gas hydrates analogue experiment installation as claimed in claim 1, is characterized in that: described vertical consersion unit and horizontal consersion unit formation H pipe net; Described vertical consersion unit is to consist of a vertical reactor, or consists of a plurality of vertical reactor series connection conductings; Described horizontal consersion unit is to consist of a horizontal reactor, or consists of a plurality of horizontal reactor series connection conductings; Described sapphire reactor is arranged on the upper end of vertical consersion unit; Between described each reactor, by expanding cause for gossip, now be tightly connected.
3. gas hydrates analogue experiment installation as claimed in claim 2, it is characterized in that: described freezer room is provided with refrigeration system; Described freezer is provided with equipment base in room, and described network collocation is on described equipment base.
4. gas hydrates analogue experiment installation as claimed in claim 3, it is characterized in that: in described vertical consersion unit, vertical reactor bottom bottom is provided with the sealing bottom, and in described vertical consersion unit, vertical reactor top topmost is provided with top pressure closure; Described air inlet pipeline, pressure piping and discharge pipe line are through described sealing bottom, and sealing bottom top is provided with the air inlet pad; Described gas exhaust piping is through described top pressure closure.
5. gas hydrates analogue experiment installation as claimed in claim 1, is characterized in that: sequentially be provided with gas cylinder, pressure accommodometer, admission valve and flow meter in described air inlet pipeline; Be provided with supercharging equipment in described pressure piping; Be provided with draining valve in described discharge pipe line; Be provided with outlet valve in described gas exhaust piping.
6. gas hydrates analogue experiment installation as claimed in claim 1, it is characterized in that: described sapphire reactor is provided with the sapphire visual window; Described visualization device comprises cold light picture pick-up device and the microexamination equipment that corresponding described sapphire visual window arranges.
7. gas hydrates analogue experiment installation as claimed in claim 2, is characterized in that: set temperature gradient key-course and probe measurement system on the whole or indivedual reactors in described vertical consersion unit, horizontal consersion unit.
8. gas hydrates analogue experiment installation as claimed in claim 7 is characterized in that: the probe measurement system be arranged on the sapphire reactor includes temperature probe, pressure probe, time domain reaction instrument probe, acoustic measurement probe and electrochemical impedance probe.
9. gas hydrates analogue experiment installation as claimed in claim 7, is characterized in that: be arranged on vertical reactor and include temperature probe, pressure probe, time domain reaction instrument probe and acoustics measuring probe with the probe measurement system on horizontal reactor.
10. gas hydrates analogue experiment installation as claimed in claim 2 is characterized in that: the sapphire reactor, vertically the radius of reactor and horizontal reactor is identical with length; Internal diameter is 148mm, and design pressure is 30MPa, and working pressure is 9.99Mpa, and the every joint length of reactor is no more than 1m, and every joint volume is 17.89L.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103927921A (en) * | 2014-04-15 | 2014-07-16 | 吉林大学 | Hydrate multifunctional simulation experiment system under microbial action |
CN105259018A (en) * | 2015-11-05 | 2016-01-20 | 西南石油大学 | Natural gas hydrate synthesis and decomposition multi-parameter test device |
CN108169448A (en) * | 2017-12-06 | 2018-06-15 | 中国科学院广州能源研究所 | A kind of hydrate fabricated in situ and its comprehensive physical property testing device |
CN109097120A (en) * | 2018-08-27 | 2018-12-28 | 华南理工大学 | A kind of gas hydrates static state strengthens quick continuous generation device and method |
CN109162708A (en) * | 2018-08-14 | 2019-01-08 | 山东科技大学 | Reservoir parameter multidimensional monitoring device in a kind of simulating hydrate recovery process |
CN110186803A (en) * | 2019-05-22 | 2019-08-30 | 中国地质大学(武汉) | Gas hydrates surface molecular adsorption mechanism real-time test device and test method |
CN111562217A (en) * | 2020-05-13 | 2020-08-21 | 中国科学院海洋研究所 | Microscopic visual high-temperature high-pressure Raman reaction cabin |
WO2021159697A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Comprehensive experimental exploitation system having large-scale, full-size, three-dimensional exploitation well |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6236536A (en) * | 1985-08-09 | 1987-02-17 | Mazda Motor Corp | Running test liquid for casting molten metal |
US5937894A (en) * | 1995-07-27 | 1999-08-17 | Institut Francais Du Petrole | System and method for transporting a fluid susceptible to hydrate formation |
CN1614409A (en) * | 2004-11-30 | 2005-05-11 | 青岛海洋地质研究所 | Simulating device for geophyscical gas hydrate |
UA81148C2 (en) * | 2005-11-08 | 2007-12-10 | Ukrhazvydobuvannia Subsidiary | Appliance for well operation |
CN201747338U (en) * | 2010-07-01 | 2011-02-16 | 青岛海洋地质研究所 | Natural gas hydrate simulating mining experimental apparatus |
CN102042998A (en) * | 2010-07-01 | 2011-05-04 | 青岛海洋地质研究所 | Hydrate formation kinetics simulation experiment device |
CN102052065A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | Simulation exploiting experiment device for natural gas hydrate |
CN203441442U (en) * | 2013-08-20 | 2014-02-19 | 中国石油天然气股份有限公司 | Natural gas hydrate simulation experiment device |
-
2013
- 2013-08-20 CN CN201310364274.4A patent/CN103470220B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6236536A (en) * | 1985-08-09 | 1987-02-17 | Mazda Motor Corp | Running test liquid for casting molten metal |
US5937894A (en) * | 1995-07-27 | 1999-08-17 | Institut Francais Du Petrole | System and method for transporting a fluid susceptible to hydrate formation |
CN1614409A (en) * | 2004-11-30 | 2005-05-11 | 青岛海洋地质研究所 | Simulating device for geophyscical gas hydrate |
UA81148C2 (en) * | 2005-11-08 | 2007-12-10 | Ukrhazvydobuvannia Subsidiary | Appliance for well operation |
CN201747338U (en) * | 2010-07-01 | 2011-02-16 | 青岛海洋地质研究所 | Natural gas hydrate simulating mining experimental apparatus |
CN102042998A (en) * | 2010-07-01 | 2011-05-04 | 青岛海洋地质研究所 | Hydrate formation kinetics simulation experiment device |
CN102052065A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | Simulation exploiting experiment device for natural gas hydrate |
CN203441442U (en) * | 2013-08-20 | 2014-02-19 | 中国石油天然气股份有限公司 | Natural gas hydrate simulation experiment device |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103927921B (en) * | 2014-04-15 | 2016-03-16 | 吉林大学 | Hydrate Multi-functional analog experimental system under microbial action |
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CN105259018A (en) * | 2015-11-05 | 2016-01-20 | 西南石油大学 | Natural gas hydrate synthesis and decomposition multi-parameter test device |
CN108169448B (en) * | 2017-12-06 | 2020-06-12 | 中国科学院广州能源研究所 | Hydrate in-situ synthesis and comprehensive physical property testing device thereof |
CN108169448A (en) * | 2017-12-06 | 2018-06-15 | 中国科学院广州能源研究所 | A kind of hydrate fabricated in situ and its comprehensive physical property testing device |
CN109162708A (en) * | 2018-08-14 | 2019-01-08 | 山东科技大学 | Reservoir parameter multidimensional monitoring device in a kind of simulating hydrate recovery process |
CN109097120B (en) * | 2018-08-27 | 2020-09-22 | 华南理工大学 | Static strengthening rapid continuous generation device and method for natural gas hydrate |
CN109097120A (en) * | 2018-08-27 | 2018-12-28 | 华南理工大学 | A kind of gas hydrates static state strengthens quick continuous generation device and method |
CN110186803A (en) * | 2019-05-22 | 2019-08-30 | 中国地质大学(武汉) | Gas hydrates surface molecular adsorption mechanism real-time test device and test method |
CN110186803B (en) * | 2019-05-22 | 2020-11-27 | 中国地质大学(武汉) | Real-time testing device and testing method for natural gas hydrate surface molecular adsorption mechanism |
CN111562217A (en) * | 2020-05-13 | 2020-08-21 | 中国科学院海洋研究所 | Microscopic visual high-temperature high-pressure Raman reaction cabin |
WO2021159697A1 (en) * | 2020-08-06 | 2021-08-19 | 中国科学院广州能源研究所 | Comprehensive experimental exploitation system having large-scale, full-size, three-dimensional exploitation well |
CN114352272A (en) * | 2020-09-28 | 2022-04-15 | 中国石油天然气股份有限公司 | Three-dimensional experimental system for yield-increasing transformation and exploitation of three-way loading simulation hydrate reservoir |
CN114352272B (en) * | 2020-09-28 | 2023-07-25 | 中国石油天然气股份有限公司 | Three-dimensional experimental system for three-dimensional loading simulation of hydrate reservoir yield increase transformation and exploitation |
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