CN102169112A - Device and method for research of low-dosage inhibitor of natural gas hydrate - Google Patents
Device and method for research of low-dosage inhibitor of natural gas hydrate Download PDFInfo
- Publication number
- CN102169112A CN102169112A CN2010106129060A CN201010612906A CN102169112A CN 102169112 A CN102169112 A CN 102169112A CN 2010106129060 A CN2010106129060 A CN 2010106129060A CN 201010612906 A CN201010612906 A CN 201010612906A CN 102169112 A CN102169112 A CN 102169112A
- Authority
- CN
- China
- Prior art keywords
- gas
- low dosage
- inhibitor
- research
- dosage inhibitor
- 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.)
- Granted
Links
Abstract
The invention discloses a device for the research of a low-dosage inhibitor of a natural gas hydrate. The device comprises a gas supply system, a circulating loop system, an inhibitor adding system, a measuring and data acquiring system and a cooling system, wherein the gas supply system is used for introducing natural gas which reaches a certain pressure and humidity into the circulating loop system; the circulating loop system is used for circulating natural gas in a pipeline and simulating the generation of the natural gas hydrate in the pipeline; the inhibitor adding system is used for injecting the low-dosage inhibitor into the circulating loop system; the measuring and data acquiring system is used for measuring and acquiring data in an experiment process; and the cooling system is used for lowering the temperature of the circulating loop system. Due to the adoption of the device and a method in the scheme, the flowing situations of the hydrate under different working conditions such as horizontal pipelines, depressed pipe sections, delivery stop, restart after delivery stop and the like can be simulated, the low-dosage inhibitor of the natural hydrate is researched, accurate evaluation can be provided, and the acting effect of an experiment is approximately accordant with the using effect.
Description
Technical field
The present invention relates to a kind of apparatus and method that are used for the research of gas hydrate low dosage inhibitor.
Background technology
Various lower boiling hydrocarbons such as methane, ethane, propane and carbon dioxide, sulfuretted hydrogen etc. are present in rock gas and other petroleum fluids, and water also mixes with these petroleum fluids components with different amounts simultaneously.Under cryogenic high pressure, when such petroleum fluids composition or other hydrates form thing and mix with water, can form gas hydrate, this gas hydrate is the cage type crystal of micro-molecular gas formation such as water and lighter hydrocarbons.These clathrate hydrates possibility blocking pipelines bring difficulty for the exploitation or the conveying of oil and natural gas in exploitation and transport gas and other petroleum fluids processes.For example under the pressure of about 1MPa, ethane can form hydrate being lower than under 4 ℃ the temperature, is being lower than under 14 ℃ the temperature at ethane under the pressure of 3MPa to form hydrate.And these temperature and pressures are not to be of little use for many operating environments of production and transport gas and other petroleum fluids.
It is to avoid and prevent the hydrate generation by the thermodynamic condition that changes the hydrate generation that tradition is used thermodynamics inhibitor such as methyl alcohol, ethylene glycol.But, this type of inhibitor have the concentration height (10～60wt%), consumption is big, cost is high and shortcoming such as strong toxicity contaminated environment, can not satisfy such as requirements such as offshore oil and gas mining operations.The main at present use of adopting the low dosage inhibitor to substitute traditional inhibitor.
About low dosage inhibitor performance study, the main both at home and abroad at present autoclave that adopts.High pressure reaction assembly generally is the temperature and pressure of simulation actual gas field operation, to form identical or close gas carries out hydrate in a small-sized reactor generation experiment with actual gas field, to stir the flow state that replaces real fluid, by the formation of phenomenons such as hydrate reaction heat release, step-down indication hydrate.But existing analogue means is difficult to simulate the complex conditions of practical operation, causes the evaluation of low dosage inhibitor not accurate enough.
Therefore, prior art awaits improving and development.
Summary of the invention
Problem to be solved by this invention is to provide a kind of apparatus and method that are used for the research of gas hydrate low dosage inhibitor, to think poorly of the dosage inhibitor accurately, its laboratory action effect and actual oil field result of use is roughly met.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of device that is used for the research of gas hydrate low dosage inhibitor comprises:
Air supply system, the control rock gas feeds the closed circuit system after reaching certain pressure and humidity;
The closed circuit system circulates rock gas in pipeline, the simulation gas hydrate are in ducted generation;
The inhibitor add-on system is used for injecting the low dosage inhibitor to the closed circuit system;
Measure and data acquisition system (DAS), measure and gather the data in the experimentation;
Cooling system is used to reduce the temperature of closed circuit system.
The described device that is used for the research of gas hydrate low dosage inhibitor, described air supply system comprises source of the gas, damping device and supercharging device.
The described device that is used for gas hydrate low dosage inhibitor research, described closed circuit system comprises magnetic force ebullator and circulating line and gas-liquid separation device.
The described device that is used for gas hydrate low dosage inhibitor research, described closed circuit system further comprises the gas-liquid separation device that is used to get rid of unnecessary liquid.
The described device that is used for the research of gas hydrate low dosage inhibitor, the low-lying place and the level place of described circulating line are provided with transparent window respectively.
The described device that is used for the research of gas hydrate low dosage inhibitor, temperature, pressure, flow velocity and humidity data in described measurement and data acquisition system (DAS) measurement and the acquisition system.
The described device that is used for the research of gas hydrate low dosage inhibitor, it is 15MPa that whole device maximum is born pressure.
The described device that is used for the research of gas hydrate low dosage inhibitor, described circulating line length is 20 meters.
A kind of method that is used for the research of gas hydrate low dosage inhibitor, adopt the described device that is used for the research of gas hydrate low dosage inhibitor, and comprise following steps:
A, the low dosage inhibitor is placed the inhibitor add-on system;
B, purge whole process pipeline and device with rock gas;
C, by air supply system with rock gas carry out humidification, pressurization back feeds in the closed circuit system;
D, unlatching cooling system, slowly cooling;
E, the humidity of passing through rock gas and content of water in system are calculated the rate of injection of low dosage inhibitor, and the rock gas that flows in the closed circuit system injects the low dosage inhibitor;
F, by measuring and data acquisition system (DAS) judges that the system hydrate generates situation and generates induction period, thereby determine the effect of low dosage inhibitor.
The described method that is used for the research of gas hydrate low dosage inhibitor among the described step a, is configured to the concentration of concentration range between 0.01%-5% with the low dosage inhibitor.
Adopt such scheme, apparatus and method of the present invention can dummy level pipeline, landform indentation pipeline section, stopping transportation and different operating modes such as restart after shutdown under the hydrate mobility status, be similar to high pressure, low temperature complex situations in the actual oil field as far as possible, be used for the research of the low dosage inhibitor of natural gas hydrate, can provide accurately and estimate, its laboratory action effect and result of use are roughly met.By in the circulating line of closed circuit, transparent window being set, can directly observe the forming process of hydrate, more intuitive research effect is provided.
Description of drawings
Fig. 1 is the synoptic diagram of a kind of embodiment of apparatus of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
Each mark is expressed as follows in the accompanying drawing 1:
The RTD temperature sensor; The P pressure transducer; The DP differential pressure gauge;
1 source of the gas; 2 damping devices; 3 supercharge pumps; 4 dew point hygrometers; 5 flowmeters; 6 gas storage fluid reservoirs; 7 magnetic force ebullators; 8 transparent sight holes; 9 gas-liquid separation devices; 10 inhibitor storage tanks; 11 syringe pumps; 12 low temperature chambers;
The V1 reduction valve; V2-V21 is a common valve.
As shown in Figure 1, gas hydrate low dosage inhibitor research device of the present invention in the present embodiment, designs its maximum and bears pressure 15MPa.
Air supply system mainly is made up of source of the gas 1, damping device 2 and supercharge pump 3.Source of the gas 1 uses gas cylinder, and gas enters damping device 2 after gas cylinder comes out, and enters supercharge pump 3 by regulating after temperature makes gas meet the requirements of humidity, and supercharge pump 3 guarantees that gas reached required pressure before entering the closed circuit system.
The closed circuit system is the core of whole device, includes magnetic force ebullator 7,20 mitron roads, gas-liquid separator and some measuring sensors, main mobile research as simulation pipeline inner fluid.
The inhibitor adding set mainly comprises inhibitor storage tank 10 and syringe pump 11, and low dosage inhibitor speed as required is injected in the pipeline.
Measurement and data acquisition system (DAS) mainly are used as the measurement and the collection of temperature, pressure, flow velocity and the humidity etc. of total system.
Cooling device refers to low temperature chamber 12 in the present embodiment, and the whole circulation loop feature is placed in one.
Source of the gas 1 links to each other with humidifying container 2 by reduction valve V1, and humidifying container 2 can be regulated temperature; Humidifying container 2 is connected with supercharge pump 3 by valve V3, and gas can be gathered from the exit of supercharge pump 3, measures humidity with dew point hygrometer 4; Directly enter closed circuit through the gas behind the supercharge pump 3 after by flowmeter 5; Enter gas behind the closed circuit at first by ebullator 7, enter circulating line through behind the flowmeter subsequently, successively through having the horizontal see-through section of transparent sight hole 8, low-lying transparent pipeline, the loop fluid is through gas-liquid separator 9, gas is got back to magnetic force ebullator 7, liquid adds the loop through the V21 entry inhibitor, thereby excess liquid is got rid of from closed circuit; Low dosage inhibitor in the inhibitor storage tank 10 is injected into the exit of magnetic force ebullator 7 by flowmeter and syringe pump 11; Liquid storage gas-holder 6 is also stored at gas and liquid that reaction finishes in the back removing system.Low temperature chamber 12 provides low temperature environment for the full annular closed circuit.
Between humidifying container 2/ supercharge pump 3 and the closed circuit, all be provided with temperature sensor and pressure transducer between each pipeline of closed circuit; Gas all is furnished with gas meter before entering closed circuit and in the cyclic process; Inhibitor is provided with liquid flowmeter before injecting closed circuit; Be provided with differential pressure gauge between circulating-pump outlet and the inlet and between the outlet 10m-15m; These surveying instruments have constituted measurement and the data acquisition system (DAS) in the present embodiment.
In device of the present invention, can dummy level pipeline, landform indentation pipeline section, stopping transportation and different operating modes such as restart after shutdown under the hydrate mobility status.
Gas comes out to enter damping device 2 from source of the gas 1 in the experimentation, come the humidity of adjustments of gas by the control temperature, after reaching requirement humidity, pass through supercharge pump 3 superchargings, gas after the supercharging enters the loop checking installation that is arranged in low temperature chamber 12, flow in 20 meters pipeline through magnetic force ebullator 7 backs, by gas-liquid separation device, gas is got back to magnetic force ebullator 7 inlets, enters circulation next time.In magnetic force ebullator 7 exits, be added with low dosage inhibitor injection device, the injection flow is by syringe pump 11 controls.
More specifically, the method for the invention comprises the steps:
A, in damping device, add an amount of water; The low dosage inhibitor is configured to the concentration of concentration range between 0.01%-5%, places inhibitor storage tank 10;
B, purge whole process pipeline and device with rock gas;
C, open source of the gas 1 and V1, in damping device 2, feed gas, open V3 after 10 minutes, to the closed circuit air feed, start magnetic force ebullator 7 simultaneously by supercharge pump 3.
D, unlatching low temperature chamber 12, slowly cooling.
E, calculate the rate of injection of syringe pump 11, start syringe pump 11, injecting inhibitor in the gas that flows by gas humidity and content of water in system.
Gas flow situation and hydrate in f, the 8 observation pipelines of the transparent sight hole by low-lying place and level place generate situation, judge that in conjunction with the instant parameter that differential pressure gauge and flowmeter and temperature, pressure measurement mechanism are gathered the system hydrate generates situation and generates induction period.
Consistent for hydrate production in maximum possible and the actual oil field gas course of conveying, the water source that generates hydrate in the whole reaction system mainly is the aqueous water that is used for dissolution inhibitor outside low temperature chamber 12 in the humidification device 2 when the water vapor of gas entrainment and injecting inhibitor.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a device that is used for the research of gas hydrate low dosage inhibitor is characterized in that, comprising:
Air supply system, the control rock gas feeds the closed circuit system after reaching certain pressure and humidity;
The closed circuit system circulates rock gas in pipeline, the simulation gas hydrate are in ducted generation;
The inhibitor add-on system is used for injecting the low dosage inhibitor to the closed circuit system;
Measure and data acquisition system (DAS), measure and gather the data in the experimentation;
Cooling system is used to reduce the temperature of closed circuit system.
2. the device that is used for the research of gas hydrate low dosage inhibitor according to claim 1 is characterized in that described air supply system comprises source of the gas, damping device and supercharging device.
3. the device that is used for gas hydrate low dosage inhibitor research according to claim 2 is characterized in that, described closed circuit system comprises ebullator and circulating line.
4. the device that is used for gas hydrate low dosage inhibitor research according to claim 3 is characterized in that, described closed circuit system further comprises the gas-liquid separation device that is used to get rid of unnecessary liquid.
5. the device that is used for the research of gas hydrate low dosage inhibitor according to claim 4 is characterized in that the low-lying place and the level place of described circulating line are provided with transparent window respectively.
6. the device that is used for the research of gas hydrate low dosage inhibitor according to claim 5 is characterized in that, temperature, pressure, flow velocity and humidity data in described measurement and data acquisition system (DAS) measurement and the acquisition system.
7. the device that is used for the research of gas hydrate low dosage inhibitor according to claim 6 is characterized in that it is 15MPa that whole device maximum is born pressure.
8. the device that is used for the research of gas hydrate low dosage inhibitor according to claim 7 is characterized in that described circulating line length is 20 meters.
9. a method that is used for the research of gas hydrate low dosage inhibitor is characterized in that, adopts device according to claim 1, and comprises following steps:
A, the low dosage inhibitor is placed the inhibitor add-on system;
B, purge whole process pipeline and device with rock gas;
C, by air supply system with rock gas carry out humidification, pressurization back feeds in the closed circuit system;
D, unlatching cooling system, slowly cooling;
E, the humidity of passing through rock gas and content of water in system are calculated the rate of injection of low dosage inhibitor, and the rock gas that flows in the closed circuit system injects the low dosage inhibitor;
F, by measuring and data acquisition system (DAS) judges that the system hydrate generates situation and generates induction period, thereby determine the effect of low dosage inhibitor.
10. the method that is used for the research of gas hydrate low dosage inhibitor according to claim 9 is characterized in that, among the described step a, the low dosage inhibitor is configured to the concentration of concentration range between 0.01%-5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612906 CN102169112B (en) | 2010-12-29 | 2010-12-29 | Device and method for research of low-dosage inhibitor of natural gas hydrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010612906 CN102169112B (en) | 2010-12-29 | 2010-12-29 | Device and method for research of low-dosage inhibitor of natural gas hydrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102169112A true CN102169112A (en) | 2011-08-31 |
| CN102169112B CN102169112B (en) | 2013-04-24 |
Family
ID=44490350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010612906 Active CN102169112B (en) | 2010-12-29 | 2010-12-29 | Device and method for research of low-dosage inhibitor of natural gas hydrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102169112B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323321A (en) * | 2012-11-18 | 2013-09-25 | 阿拉山口出入境检验检疫局综合技术服务中心 | Inspection and sample feeding device of liquefied petroleum gas |
| CN103571557A (en) * | 2013-11-12 | 2014-02-12 | 北京化工大学 | Method for preparing natural gas hydrate |
| CN104088623A (en) * | 2014-06-19 | 2014-10-08 | 中国石油大学(华东) | Automatic hydrate preventing device for deep water gas well test and preventing method |
| CN104343416A (en) * | 2014-10-24 | 2015-02-11 | 中国石油大学(华东) | Deep water gas well test system and test method |
| CN104812876A (en) * | 2012-11-26 | 2015-07-29 | 挪威国家石油公司 | Combined dehydration of gas and inhibition of liquid from a well stream |
| CN105403673A (en) * | 2015-12-04 | 2016-03-16 | 中国石油大学(华东) | Device and method for natural gas hydrate control technical research in oil and gas conveying pipeline |
| CN105445142A (en) * | 2014-09-02 | 2016-03-30 | 中国海洋石油总公司 | Movable natural gas hydrate evaluation apparatus |
| CN105510529A (en) * | 2015-12-04 | 2016-04-20 | 中国石油大学(华东) | Oil-gas mixed transportation pipeline device and method for simulating formation, blocking and melting of hydrates |
| CN106770990A (en) * | 2017-03-21 | 2017-05-31 | 中国石油大学(华东) | The experimental provision of gas hydrate study in a kind of gathering line for deep water hydrocarbon |
| CN109238640A (en) * | 2018-09-21 | 2019-01-18 | 大连理工大学 | A kind of hydrate observation device applied to the flowing safety experiment circulatory system |
| CN109341760A (en) * | 2018-09-21 | 2019-02-15 | 大连理工大学 | A kind of full visualization circulating pipe system applied to research Hydrate Plugging |
| CN109490144A (en) * | 2018-09-21 | 2019-03-19 | 大连理工大学 | A kind of installation method flowing safety experiment circulatory system hydrate observation device |
| CN110865153A (en) * | 2019-12-02 | 2020-03-06 | 东北石油大学 | Hydrate multiphase flow loop experiment device and experiment method |
| CN111189746A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Performance evaluation method and application of gas hydrate inhibitor |
| CN111189957A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Gas hydrate inhibitor performance evaluation system |
| WO2022000891A1 (en) * | 2020-06-28 | 2022-01-06 | 中国华能集团有限公司 | Hydrate evaluation experiment system and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707801B (en) * | 2020-06-30 | 2022-08-16 | 中国海洋石油集团有限公司 | Device and method for testing generation of natural gas hydrate under simulated flow state |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909239Y (en) * | 2006-06-14 | 2007-06-06 | 中国石油天然气股份有限公司 | Hydrate inhibitor evaluation experimental device |
| CN101629071A (en) * | 2009-07-31 | 2010-01-20 | 中国科学院广州能源研究所 | Natural gas hydrate inhibitor |
| CN101692077A (en) * | 2009-09-11 | 2010-04-07 | 华南理工大学 | Device for evaluating performance of hydrate inhibitor |
| WO2010065785A1 (en) * | 2008-12-03 | 2010-06-10 | Dominion Engineering, Inc. | Chemical cleaning method and system with steam injection |
-
2010
- 2010-12-29 CN CN 201010612906 patent/CN102169112B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909239Y (en) * | 2006-06-14 | 2007-06-06 | 中国石油天然气股份有限公司 | Hydrate inhibitor evaluation experimental device |
| WO2010065785A1 (en) * | 2008-12-03 | 2010-06-10 | Dominion Engineering, Inc. | Chemical cleaning method and system with steam injection |
| CN101629071A (en) * | 2009-07-31 | 2010-01-20 | 中国科学院广州能源研究所 | Natural gas hydrate inhibitor |
| CN101692077A (en) * | 2009-09-11 | 2010-04-07 | 华南理工大学 | Device for evaluating performance of hydrate inhibitor |
Non-Patent Citations (1)
| Title |
|---|
| 王武昌等: "HCFC-141b水合物在管道中形成及堵塞试验研究", 《西安交通大学学报》 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323321A (en) * | 2012-11-18 | 2013-09-25 | 阿拉山口出入境检验检疫局综合技术服务中心 | Inspection and sample feeding device of liquefied petroleum gas |
| CN104812876A (en) * | 2012-11-26 | 2015-07-29 | 挪威国家石油公司 | Combined dehydration of gas and inhibition of liquid from a well stream |
| CN104812876B (en) * | 2012-11-26 | 2019-04-02 | 挪威国家石油公司 | Gas dewatering and liquid from the combination of well stream inhibit |
| CN103571557B (en) * | 2013-11-12 | 2014-12-24 | 北京化工大学 | Method for preparing natural gas hydrate |
| CN103571557A (en) * | 2013-11-12 | 2014-02-12 | 北京化工大学 | Method for preparing natural gas hydrate |
| CN104088623B (en) * | 2014-06-19 | 2015-05-27 | 中国石油大学(华东) | Automatic hydrate preventing device for deep water gas well test and preventing method |
| CN104088623A (en) * | 2014-06-19 | 2014-10-08 | 中国石油大学(华东) | Automatic hydrate preventing device for deep water gas well test and preventing method |
| 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 |
| CN105445142A (en) * | 2014-09-02 | 2016-03-30 | 中国海洋石油总公司 | Movable natural gas hydrate evaluation apparatus |
| CN104343416A (en) * | 2014-10-24 | 2015-02-11 | 中国石油大学(华东) | Deep water gas well test system and test method |
| CN105403673A (en) * | 2015-12-04 | 2016-03-16 | 中国石油大学(华东) | Device and method for natural gas hydrate control technical research in oil and gas conveying pipeline |
| CN105510529A (en) * | 2015-12-04 | 2016-04-20 | 中国石油大学(华东) | Oil-gas mixed transportation pipeline device and method for simulating formation, blocking and melting of hydrates |
| CN105403673B (en) * | 2015-12-04 | 2017-12-08 | 中国石油大学(华东) | Device and method for preventing and controlling natural gas hydrate technical research in pipe-line |
| CN105510529B (en) * | 2015-12-04 | 2018-03-09 | 中国石油大学(华东) | Multiphase transportation pipeline device and hydrate generation, the analogy method for blocking and melting |
| CN106770990A (en) * | 2017-03-21 | 2017-05-31 | 中国石油大学(华东) | The experimental provision of gas hydrate study in a kind of gathering line for deep water hydrocarbon |
| CN109490144A (en) * | 2018-09-21 | 2019-03-19 | 大连理工大学 | A kind of installation method flowing safety experiment circulatory system hydrate observation device |
| CN109341760A (en) * | 2018-09-21 | 2019-02-15 | 大连理工大学 | A kind of full visualization circulating pipe system applied to research Hydrate Plugging |
| CN109238640A (en) * | 2018-09-21 | 2019-01-18 | 大连理工大学 | A kind of hydrate observation device applied to the flowing safety experiment circulatory system |
| CN111189746A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Performance evaluation method and application of gas hydrate inhibitor |
| CN111189957A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Gas hydrate inhibitor performance evaluation system |
| CN110865153A (en) * | 2019-12-02 | 2020-03-06 | 东北石油大学 | Hydrate multiphase flow loop experiment device and experiment method |
| WO2022000891A1 (en) * | 2020-06-28 | 2022-01-06 | 中国华能集团有限公司 | Hydrate evaluation experiment system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102169112B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102169112B (en) | Device and method for research of low-dosage inhibitor of natural gas hydrate | |
| CN102192864B (en) | High-temperature high-pressure acid-resistant foam generation and dynamic evaluation device | |
| WO2016061854A1 (en) | Simulation experiment device for natural gas hydrate exploitation at permeable boundary layers | |
| CN201747338U (en) | Natural gas hydrate simulating mining experimental apparatus | |
| CN104237454B (en) | Method and device for testing simulated generation of natural gas pipeline hydrate | |
| CN104318845B (en) | A kind of apparatus and method simulating profundal zone oil spilling under water | |
| CN103971577A (en) | Test simulator for displacement and extraction of natural gas hydrates through CO2 | |
| CN102052065A (en) | Simulation exploiting experiment device for natural gas hydrate | |
| CN104879094B (en) | Downhole throttling gas well shaft simulation experiment device | |
| CN106770990A (en) | The experimental provision of gas hydrate study in a kind of gathering line for deep water hydrocarbon | |
| CN205538584U (en) | Testing arrangement of steam driven coal body methane desorption seepage flow | |
| CN110761749A (en) | Simulation experiment system and experiment method for synthesis and exploitation of natural gas hydrate | |
| CN105388254A (en) | High-temperature high-pressure foam fracturing fluid leak-off damage experiment system | |
| CN105699273A (en) | Testing device and method of desorption and seepage of steam driven coal mass methane | |
| CN104897521B (en) | A kind of anhydrous fracturing fluid flow conductivity test system of carbon dioxide | |
| CN111551672A (en) | Natural gas hydrate exploitation methane leakage simulation system and method | |
| CN104897857A (en) | CO2 anhydrous fracturing fluid damage test system and method | |
| CN105258840A (en) | Method for measuring optimum miscible pressure and miscible region of carbon dioxide between injection and production wells | |
| CN105842275A (en) | Steam driven coal gas desorption heat conduction test method | |
| CN205538913U (en) | Hydrate formation, decomposition and inhibitor collimated light source device | |
| CN113724570A (en) | Device and method for simulating carbon dioxide to exploit natural gas hydrate and seal up natural gas hydrate | |
| CN112546982A (en) | Device and method for dynamically evaluating influence of additive on hydrate for long time | |
| CN204789223U (en) | Anhydrous fracturing fluid of carbon dioxide injury testing arrangement | |
| CN206523416U (en) | A kind of experimental provision for detecting multiple gases to Oilfield Water Injection Pipelines internal corrosion | |
| Gao et al. | Experimental Study on the Effect of Combination of Thermodynamic Inhibitors’ and Kinetic Inhibitors’ Hydrate Inhibition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |