CN105628551B - A kind of gas hydrates density measuring device - Google Patents
A kind of gas hydrates density measuring device Download PDFInfo
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- CN105628551B CN105628551B CN201511021693.3A CN201511021693A CN105628551B CN 105628551 B CN105628551 B CN 105628551B CN 201511021693 A CN201511021693 A CN 201511021693A CN 105628551 B CN105628551 B CN 105628551B
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- reaction kettle
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- hydrate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The invention discloses a kind of gas hydrates density measuring devices comprising: hydrate reaction kettle system, for gas hydrates synthesis and sample volume measurement；Constant-voltage system is communicated by the first pressure line with hydrate reaction kettle, for adjusting hydrate reaction gas reactor pressure；Air supply system is connected, for hydrate reaction kettle system and constant-voltage system being vacuumized or being provided reaction gas by the first pressure line between the second pressure line and hydrate reaction kettle system and constant-voltage system；Cryogenic thermostat bath, including the interior cryogenic thermostat system for being equipped with locating support and having confined space, hydrate reaction kettle and constant-voltage system are fixed on locating support and are integrally located in cryogenic thermostat bath.Present invention gas liquid reactions product such as in situ measurement gas hydrates under high pressure low temperature is the solid density measuring device of solid, it can be achieved that under high pressure and low-temperature condition, and pressure and temp is adjustable, can also test the density feature of solid matter under the conditions of different confining pressures.
Description
Technical field
The present invention relates to a kind of gas hydrates density measuring device, especially a kind of in situ measurement under high pressure low temperature
The gas liquid reactions product such as gas hydrates is the solid density measuring device of solid.
Background technique
Gas hydrates are that one kind is formed under the conditions of certain temperature and pressure by gas (or volatile liquid) and water
Ice-like solid, be commonly called as combustible ice, be distributed widely in 0- under 200-2100 meters of tundra earth's surface or less and continental margin seabed
In 1100 meters of deposit.Whole world gas hydrates reserves are very huge, estimate hydrate in natural gas resources be 2 ×
1016m3, it is equivalent to 2 × 105Hundred million tons of oil equivalents are 2 times of global conventional fuel total carbon.Gas hydrates density is hydration
One of most common parameter in object research, but so far without complete theoretical calculation method, and common document report is only given
The experience or experiment value of several simple gases hydrate density are gone out.Directly measurement gas hydrate density is often under high pressure
It carries out, therefore, the density experiment measured value of only a small number of gas hydrates must be reported so far.And what well-log information obtained is mostly
The density of sedimentary containing hydrate, for the density of pure hydrate, literature value general lack of.However, measurement natural gas hydration
The density of object has correct understanding gas hydrates trap property, assessment Gas Hydrate Resources and exploration and development
Significance, and before the density measuring device for developing gas hydrates is the key that researching natural gas hydrate density characteristics
It mentions, therefore the density measuring device of gas hydrates has preferable market prospects.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, a kind of gas hydrates density measurement dress is provided
It sets, especially a kind of gas liquid reactions product such as in situ measurement gas hydrates under high pressure low temperature is that the density of solid of solid is surveyed
Device is measured, it can be achieved that under high pressure and low-temperature condition, pressure and temp is adjustable, can also test the solid matter under the conditions of different confining pressures
Density feature.
The present invention is achieved through the following technical solutions: a kind of gas hydrates density measuring device comprising:
Hydrate reaction kettle system, the hydrate reaction kettle system include the hydrate reaction for being built-in with sample
Kettle, hydrate reaction kettle include the closed cavity of hydrate reaction kettle end cap and reaction kettle shell composition, are used for gas water
Close object synthesis and sample volume measurement；
Constant-voltage system, the constant-voltage system is communicated by the first pressure line with the hydrate reaction kettle, for adjusting
Hydrate reaction gas reactor pressure；
Air supply system, the air supply system pass through the second pressure line and the hydrate reaction kettle system and constant-voltage system
Between the first pressure line be connected, for hydrate reaction kettle system and constant-voltage system being vacuumized or being provided reaction gas
Body；
Cryogenic thermostat bath, including interior equipped with locating support and with the cryogenic thermostat system of confined space, the hydrate
Reaction kettle and constant-voltage system are fixed on the locating support and are integrally located in cryogenic thermostat bath.
The hydrate reaction kettle system includes screw bracket, the hand turntable of pressurization, pressurization screw rod, the first displacement sensing
Device, first pressure sensor, second pressure sensor, hydrate reaction kettle end cap, transmission rod, porous disc, permeable stone, hydration
Reaction kettle shell；The hydrate reaction kettle end cap is bolted with hydration reaction kettle upper shell and is sealed with O-ring,
Form closed reaction kettle cavity；The hand center of turntable of the pressurization is provided with threaded hole, the pressurization screw rod pass through threaded hole and
The hand turntable that pressurizes, which is realized, to be threadedly coupled, and pressurization screw rod is connected with transmission rod by first pressure sensor, and pressurize hand turntable
On the screw support, screw bracket is installed on hydrate reaction kettle end cap for installation, and transmission rod passes through hydrate reaction kettle end cap
Centre bore and be successively fixedly connected with porous disc, permeable stone after being sealed with O-ring, porous disc, permeable stone protrude into described
It is divided into two in reaction kettle cavity and by reaction kettle cavity；The sample is located at permeable stone and hydration reaction kettle shell bottom end
Between reaction kettle cavity in；The fixing end of first displacement sensor is fixed on hydrate reaction kettle end cap, activity
End withstands on the first pressure sensor lower end；Second pressure sensor is fixed on hydrate reaction kettle end cap, import with
Reaction kettle cavity communicates.Porous disc is provided with multiple holes, it is ensured that gas passes freely through；After permeable stone is for compressing chemical reaction
The solid sample of generation；First displacement sensor is for recording transmission rod upper and lower displacement；Second pressure sensor is for recording gas
Phase pressure；The controllable pressurization screw rod of the hand turntable of rotation pressurization moves up and down, and permeable stone is driven to compress sample.
The constant-voltage system includes constant-pressure tank shell, constant pressure piston, constant pressure can end, the hand turntable of constant pressure, constant pressure screw rod
With second displacement sensor；Constant-pressure tank shell is bolted with constant pressure can end and is sealed with O-ring, forms closed perseverance
Press tank inner cavity；The hand center of turntable of constant pressure is provided with threaded hole, and constant pressure screw rod passes through threaded hole and the hand turntable of constant pressure realizes screw thread
Connection, constant pressure screw rod pass through the centre bore of constant-pressure tank shell and are fixedly connected after being sealed with O-ring with constant pressure piston, constant pressure piston
It protrudes into intracavitary in constant-pressure tank and constant-pressure tank inner cavity is divided into two.The rotation hand turntable of constant pressure can control to be moved down on constant pressure screw rod
It is dynamic, so that constant pressure piston be driven to realize pressurization or decompression；Second displacement sensor is for recording constant pressure piston upper and lower displacement.
The air supply system includes high pressure gas cylinder, vacuum pump and respective valves, and high pressure gas cylinder, vacuum pump pass through the second pressure resistance
Pipeline is connected with the first pressure line, and the second pressure line is provided with air intake valve.
The present apparatus is using steps are as follows:
Leak detection: it should first hunt leak to whole device before reaction；The air intake valve for opening air supply system injects centainly into system
The nitrogen of pressure, then closes gas source.Whole system is closed one day, if pressure sensor numerical value does not significantly decrease
Valve, pipeline and the junction good seal of expression system, if not then indicate leak source.It is checked usually using foaming agent
Leak source, the presence of leak source seriously affect the instruction accuracy of flowmeter, it is therefore necessary to strictly close down；
Air inlet: can bleed off nitrogen after leak detection, open hydrate reaction kettle end cap, the sample of needs is added (usually
Liquid).Vacuumize process is carried out by pumped vacuum systems to device after being sealed.It finally reinjects experimental gas and is pressurized to institute
Pressure is needed, amount of liquid and gas flow is added in record.Cryogenic thermostat bath is opened, the temperature for not causing system reaction to be measured is stablized
It spends, gas pressure, system temperature in recording device.
Reaction synthesis: constant temperature air bath is opened to the reaction temperature of setting, system is allowed to be reacted, rotation is permanent in the reaction
It presses hand turntable that system pressure is adjusted, keep pressure constant and records constant pressure piston displacement.
Sample compacting and density measurement: after lengthy pressure does not change, the hand turntable of rotation pressurization, by solid sample pressure
Cylinder sample is made, records added pressure and transmission rod displacement.Gas consumption in reaction process is calculated by constant pressure piston displacement
Amount, in addition liquid quality obtains the quality of solid-state sample to be tested；The volume of sample to be tested is calculated by the displacement of pressurizing piston, most
The density of sample to be tested is obtained afterwards.Different sample rates can be obtained by different moulding pressures (confining pressure), if pre- prophet
Road sample feature density then can calculate sample porosity by gained density.
The invention has the advantages that
1. it is unstable under normal pressure to overcome gas hydrates present invention employs gas hydrates situ synthesis techniques
Fixed disadvantage；
2. relative to analysis method by use of spectrum, the present invention has at low cost, and there is no radiation to safe and efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Appended drawing reference meaning in figure: 1, cryogenic thermostat is bathed；2, constant-pressure tank shell；3, constant pressure piston；4, air supply system；5, permanent
Press can end；6, the hand turntable of constant pressure；7, constant pressure screw rod；8, screw bracket；9, pressurize hand turntable；10, pressurize screw rod；11,
Hydrate reaction kettle end cap；12, transmission rod；13, porous disc；14, permeable stone；15, sample；16, hydrate reaction kettle shell；
17, locating support；L1, the first displacement sensor；L2, second displacement sensor；F, first pressure sensor；P, second pressure passes
Sensor.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment
It refering to fig. 1, is a kind of gas hydrates density measuring device comprising:
Hydrate reaction kettle system, hydrate reaction kettle system include the hydrate reaction kettle for being built-in with sample 15,
Hydrate reaction kettle includes the closed cavity of hydrate reaction kettle end cap 11 and reaction kettle shell composition, is hydrated for natural gas
Object synthesis and 15 stereometry of sample；
Constant-voltage system, constant-voltage system is communicated by the first pressure line with hydrate reaction kettle, anti-for adjusting hydrate
Answer gas reactor pressure；
Air supply system 4, air supply system 4 pass through between the second pressure line and hydrate reaction kettle system and constant-voltage system
First pressure line is connected, for hydrate reaction kettle system and constant-voltage system being vacuumized or being provided reaction gas；
Cryogenic thermostat bath 1, including the interior cryogenic thermostat system for being equipped with locating support 17 and having confined space, hydrate is anti-
It answers kettle and constant-voltage system to be fixed on locating support 17 and is integrally located in cryogenic thermostat bath 1.
Hydrate reaction kettle system includes screw bracket 8, the hand turntable 9 of pressurization, pressurization screw rod 10, the first displacement sensor
L1, first pressure sensor F, second pressure sensor P, hydrate reaction kettle end cap 11, transmission rod 12, porous disc 13, thoroughly
Water stone 14, hydrate reaction kettle shell 16；Hydrate reaction kettle end cap 11 and 16 upper end of hydrate reaction kettle shell pass through bolt
It connects and is sealed with O-ring, form closed reaction kettle cavity；Hand 9 center of turntable of pressurizeing is provided with threaded hole, and pressurize screw rod 10
It is threadedly coupled across threaded hole with the hand realization of turntable 9 of pressurizeing, pressurization screw rod 10 and transmission rod 12 pass through first pressure sensor F
It is connected, the hand turntable 9 that pressurizes is mounted on screw bracket 8, and screw bracket 8 is installed on hydrate reaction kettle end cap 11, power transmission
Bar 12 is successively solid with porous disc 13, permeable stone 14 after passing through the centre bore of hydrate reaction kettle end cap 11 and being sealed with O-ring
Fixed connection, porous disc 13, permeable stone 14 protrude into reaction kettle cavity and reaction kettle cavity are divided into two；Sample 15
In reaction kettle cavity between 16 bottom end of permeable stone 14 and hydrate reaction kettle shell；The fixing end of first displacement sensor L1
It is fixed on hydrate reaction kettle end cap 11, movable end withstands on the lower end first pressure sensor F；Second pressure sensor P is solid
Due on hydrate reaction kettle end cap 11, import is communicated with reaction kettle cavity.Porous disc 13 is provided with multiple holes, it is ensured that gas
Body passes freely through；For permeable stone 14 using the common experiment permeable stone such as triaxial apparatus, consolidation apparatus, shape is cylinder, diameter and more
Hole disk 13 is identical, and permeable stone 14 is used to compress the solid sample 15 generated after chemical reaction；First displacement sensor L1 is used for
Record 12 upper and lower displacement of transmission rod；Second pressure sensor P is for recording gaseous pressure；The hand turntable 9 of rotation pressurization is controllable
Pressurization screw rod 10 moves up and down, and permeable stone 14 is driven to compress sample 15.
Constant-voltage system includes constant-pressure tank shell 2, constant pressure piston 3, constant pressure can end 5, the hand turntable 6 of constant pressure, constant pressure screw rod 7
With second displacement sensor L2；Constant-pressure tank shell 2 is bolted with constant pressure can end 5 and is sealed with O-ring, is formed closed
Constant-pressure tank inner cavity；Hand 6 center of turntable of constant pressure is provided with threaded hole, and constant pressure screw rod 7 passes through threaded hole and the hand turntable 6 of constant pressure is real
It is now threadedly coupled, constant pressure screw rod 7, which passes through the centre bore of constant-pressure tank shell 2 and fixes after being sealed with O-ring with constant pressure piston 3, to be connected
It connects, constant pressure piston 3 protrudes into intracavitary in constant-pressure tank and constant-pressure tank inner cavity is divided into two.Rotate the controllable perseverance of the hand turntable 6 of constant pressure
Pressure screw rod 7 moves up and down, so that constant pressure piston 3 be driven to realize pressurization or decompression；Second displacement sensor L2 is for recording constant pressure
3 upper and lower displacement of piston.
Air supply system 4 includes high pressure gas cylinder, vacuum pump and respective valves, and high pressure gas cylinder, vacuum pump pass through the second pressure pipe
Line is connected with the first pressure line, and the second pressure line is provided with air intake valve.
The present apparatus is using steps are as follows:
Leak detection: it should first hunt leak to whole device before reaction；The air intake valve for opening air supply system 4 injects centainly into system
The nitrogen of pressure, then closes gas source.Whole system is closed one day, if pressure sensor numerical value does not significantly decrease
Valve, pipeline and the junction good seal of expression system, if not then indicate leak source.It is checked usually using foaming agent
Leak source, the presence of leak source seriously affect the instruction accuracy of flowmeter, it is therefore necessary to strictly close down；
Air inlet: can bleed off nitrogen after leak detection, open hydrate reaction kettle end cap 11, and the sample 15 that needs are added is (logical
It is often liquid, such as pure water).Vacuumize process is carried out by pumped vacuum systems to device after being sealed.Finally reinject experiment
Gas (such as methane) is simultaneously pressurized to required pressure (such as 10MPa), and amount of liquid and gas flow is added in record.Open cryogenic thermostat
The temperature (such as 20 DEG C) for not causing system reaction to be measured, gas pressure, system temperature in recording device are stablized in bath 1.
Reaction synthesis: constant temperature air bath is opened to the reaction temperature (such as 2 DEG C) of setting, allows system to be reacted, anti-
It answers the middle hand turntable 6 of rotation constant pressure that system pressure is adjusted, keep pressure constant and records the displacement of constant pressure piston 3.
The compacting of sample 15 and density measurement: after lengthy pressure (such as 24 hours) does not change, rotation pressurization hand traverse
Solid sample 15 is pressed into cylinder sample by disk 9, is recorded added pressure and transmission rod 12 and is displaced.Pass through 3 displacement meter of constant pressure piston
Gas consumption in reaction process is calculated, in addition liquid quality obtains the quality of solid-state sample to be tested 15；Pass through the position of pressurizing piston
The volume for calculating sample to be tested 15 is moved, the density of sample to be tested 15 is finally obtained.It can be obtained by different moulding pressures (confining pressure)
To different 15 density of sample, if 15 feature density of sample is known in advance, 15 hole of sample can be calculated by gained density
Rate.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (3)
1. a kind of gas hydrates density measuring device, characterized in that it comprises:
Hydrate reaction kettle system, the hydrate reaction kettle system include the hydrate reaction for being built-in with sample (15)
Kettle, hydrate reaction kettle includes the closed cavity of hydrate reaction kettle end cap (11) and reaction kettle shell composition, for natural
Gas hydrate synthesis and sample (15) stereometry；
Constant-voltage system, the constant-voltage system are communicated by the first pressure line with the hydrate reaction kettle, for adjusting hydration
Gas pressure in object reaction kettle；
Air supply system (4), the air supply system (4) pass through the second pressure line and the hydrate reaction kettle system and constant pressure system
The first pressure line between system is connected, for hydrate reaction kettle system and constant-voltage system being vacuumized or being provided reaction
Gas；
Cryogenic thermostat bathes (1), including interior equipped with locating support (17) and with the cryogenic thermostat system of confined space, the hydration
Object reaction kettle and constant-voltage system are fixed on the locating support (17) and are integrally located in cryogenic thermostat bath (1)；
The hydrate reaction kettle system includes screw bracket (8), the hand turntable (9) of pressurization, pressurization screw rod (10), the first displacement
Sensor (L1), first pressure sensor (F), second pressure sensor (P), hydrate reaction kettle end cap (11), transmission rod
(12), porous disc (13), permeable stone (14), hydrate reaction kettle shell (16)；The hydrate reaction kettle end cap (11) with
Hydrate reaction kettle shell (16) upper end is bolted and is sealed with O-ring, forms closed reaction kettle cavity；It is described to add
Hand turntable (9) center is pressed to be provided with threaded hole, the pressurization screw rod (10) passes through threaded hole and hand turntable (9) of pressurizeing realizes spiral shell
Line connection, pressurization screw rod (10) are connected with transmission rod (12) by first pressure sensor (F), hand turntable (9) installation of pressurizeing
On screw bracket (8), screw bracket (8) is installed on hydrate reaction kettle end cap (11), and transmission rod (12) passes through hydrate
The centre bore of reaction kettle end cap (11) is simultaneously successively fixedly connected with porous disc (13), permeable stone (14) after being sealed with O-ring, more
Hole disk (13), permeable stone (14) protrude into the reaction kettle cavity and reaction kettle cavity are divided into two；The sample
(15) in the reaction kettle cavity between permeable stone (14) and hydrate reaction kettle shell (16) bottom end；First displacement passes
The fixing end of sensor (L1) is fixed on hydrate reaction kettle end cap (11), and movable end withstands on the first pressure sensor
(F) lower end；Second pressure sensor (P) is fixed on hydrate reaction kettle end cap (11), and import is communicated with reaction kettle cavity.
2. gas hydrates density measuring device according to claim 1, it is characterised in that: the constant-voltage system includes
Constant-pressure tank shell (2), constant pressure piston (3), constant pressure can end (5), the hand turntable of constant pressure (6), constant pressure screw rod (7) and second displacement
Sensor (L2)；Constant-pressure tank shell (2) is bolted with constant pressure can end (5) and is sealed with O-ring, forms closed perseverance
Press tank inner cavity；The hand turntable of constant pressure (6) center is provided with threaded hole, and constant pressure screw rod (7) passes through threaded hole and the hand turntable of constant pressure (6)
Realize and be threadedly coupled, constant pressure screw rod (7) pass through the centre bore of constant-pressure tank shell (2) and after being sealed with O-ring with constant pressure piston (3)
It is fixedly connected, constant pressure piston (3) protrudes into intracavitary in constant-pressure tank and constant-pressure tank inner cavity is divided into two.
3. gas hydrates density measuring device according to claim 1, it is characterised in that: the air supply system (4)
Including high pressure gas cylinder, vacuum pump and respective valves, high pressure gas cylinder, vacuum pump pass through the second pressure line and the first pressure line phase
Even, the second pressure line is provided with air intake valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021693.3A CN105628551B (en) | 2015-12-29 | 2015-12-29 | A kind of gas hydrates density measuring device |
| PCT/CN2016/102875 WO2017113947A1 (en) | 2015-12-29 | 2016-10-21 | Natural gas hydrate density measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021693.3A CN105628551B (en) | 2015-12-29 | 2015-12-29 | A kind of gas hydrates density measuring device |
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| Publication Number | Publication Date |
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| CN105628551A CN105628551A (en) | 2016-06-01 |
| CN105628551B true CN105628551B (en) | 2018-12-07 |
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| WO (1) | WO2017113947A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105628551B (en) * | 2015-12-29 | 2018-12-07 | 中国科学院广州能源研究所 | A kind of gas hydrates density measuring device |
| CN106153831B (en) * | 2016-08-17 | 2019-03-01 | 东北大学 | A kind of substance meets the tester and method of wet generation fuel gas |
| CN107340333B (en) * | 2017-08-01 | 2023-04-07 | 华侨大学 | Three-dimensional high-power ultrasonic control consolidation test system and method for bubble-containing sludge |
| CN108904277B (en) * | 2018-07-31 | 2021-02-05 | 李兰 | Automatic intelligent dispensing machine for injection |
| CN110487838A (en) * | 2019-08-28 | 2019-11-22 | 杨少飞 | A kind of portable salt marsh soil scene original position frost heave and molten sunken detection device |
| CN111239361A (en) * | 2020-01-20 | 2020-06-05 | 中国石油大学(华东) | Accurate measurement device for hydrate generation induction time and application thereof |
| CN111437786A (en) * | 2020-03-08 | 2020-07-24 | 江苏元捷环境科技有限公司 | Cu-based MOF material preparation device |
| CN112577991B (en) * | 2020-06-24 | 2023-03-14 | 山东科技大学 | Device and method for ex-situ pressure-maintaining fidelity measurement of heat conductivity coefficient of hydrate |
| CN112611675B (en) * | 2020-12-11 | 2024-03-22 | 中海石油(中国)有限公司海南分公司 | High-temperature high-pressure natural gas solubility test reaction kettle, device and method |
| CN114405559B (en) * | 2022-01-19 | 2023-07-18 | 云图启迪(南京)科技有限公司 | Constant-pressure temperature changing device and method applied to gas monitoring |
| CN116399411B (en) * | 2023-06-08 | 2023-08-11 | 寿光诺盟化工有限公司 | Flow monitoring device for mixing reaction kettle |
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|---|---|---|---|---|
| WO2006129018A2 (en) * | 2005-06-02 | 2006-12-07 | Institut Francais Du Petrole | Method for analysing a gas hydrate formation kinetics in fluids |
| CN101846605A (en) * | 2010-03-19 | 2010-09-29 | 中国科学院武汉岩土力学研究所 | Device for testing compressibility of soil containing natural gas hydrate and testing method thereof |
| JP4559898B2 (en) * | 2005-03-31 | 2010-10-13 | 独立行政法人産業技術総合研究所 | Gas hydrate production equipment |
| CN101936833A (en) * | 2010-07-21 | 2011-01-05 | 中国海洋石油总公司 | Device and method for simulating generation of gas hydrate and measuring physical property parameters thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628551B (en) * | 2015-12-29 | 2018-12-07 | 中国科学院广州能源研究所 | A kind of gas hydrates density measuring device |
-
2015
- 2015-12-29 CN CN201511021693.3A patent/CN105628551B/en active Active
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2016
- 2016-10-21 WO PCT/CN2016/102875 patent/WO2017113947A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4559898B2 (en) * | 2005-03-31 | 2010-10-13 | 独立行政法人産業技術総合研究所 | Gas hydrate production equipment |
| WO2006129018A2 (en) * | 2005-06-02 | 2006-12-07 | Institut Francais Du Petrole | Method for analysing a gas hydrate formation kinetics in fluids |
| CN101846605A (en) * | 2010-03-19 | 2010-09-29 | 中国科学院武汉岩土力学研究所 | Device for testing compressibility of soil containing natural gas hydrate and testing method thereof |
| CN101936833A (en) * | 2010-07-21 | 2011-01-05 | 中国海洋石油总公司 | Device and method for simulating generation of gas hydrate and measuring physical property parameters thereof |
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| CN105628551A (en) | 2016-06-01 |
| WO2017113947A1 (en) | 2017-07-06 |
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