CN108375660A - A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit - Google Patents
A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit Download PDFInfo
- Publication number
- CN108375660A CN108375660A CN201810372502.5A CN201810372502A CN108375660A CN 108375660 A CN108375660 A CN 108375660A CN 201810372502 A CN201810372502 A CN 201810372502A CN 108375660 A CN108375660 A CN 108375660A
- Authority
- CN
- China
- Prior art keywords
- pressure
- jet
- valve
- gas
- pump
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Abstract
A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit, belong to and develops ocean hydrate research field using stimulation technology, device includes injected system, visual test cabin system, jet crushing system, ring presses system, back pressure system and acquisition and metering system, visual test cabin system respectively with injected system, jet crushing system, ring presses system, back pressure system and acquisition are connect with metering system, method includes early-stage preparations, filling and synthesis of natural gas hydrate, simulate different ranges, effluxvelocity, the processes such as the jet crushing of broken situation under the conditions of nozzle diameter, the configuration of the present invention is simple, test run process safety, reliably, it can be with the true confining pressure of simulated sea bottom gas hydrates reservoir, axis press strip part and flood environment, improve the accuracy of test result；The experimental rig can observe broken situation of test specimen under the conditions of jet stream including rock, land-based area gas hydrates etc..
Description
Technical field
The invention belongs to develop ocean hydrate research field using stimulation technology, more particularly, to a kind of high pressure water
The experimental rig and method of jet crushing sea bottom hydrate deposit.
Background technology
Gas hydrates reserves are huge, are the new cleaning fuels of internationally recognized great commercial exploitation prospects.The earth
In upper gas hydrates the reserves of total organic carbon be about oil, twice of natural gas and coal three's summation.Due to special
In the clayed silt and clay deposit of low consolidation, grain diameter is smaller for high pressure low temperature formation condition and more preservations, storage
Layer permeability is poor, and consolidation strength is relatively low, and therefore, the drilling of sea bed gas hydrate is the world of Unconventional gas exploitation
Property problem.
In terms of Gas Hydrate In Sea Areas exploitation, the heating exploitation that proposes successively, decompression exploitation, injection chemical agent method
Deng.And it is the new method for exploiting sea bed gas hydrate to use water jet cutting, broken sea bed gas hydrate reservoir, sea
Bottom gas hydrates reservoir increases stability and the infiltration of sea bed gas hydrate reservoir after the transformation of water jet method
Rate improves exploitation of gas hydrates efficiency, i.e., by adjusting the jet parameters of water jet, to flooding under environment to gas water
Object reservoir is closed to be cut, be crushed, the gas hydrates drilling cuttings or particle of formation are migrated to by waterpower returns passway in bottom hole,
Hydraulic transportation is to sea.
Compared with the object for using water jet rock breaking before, gas hydrates have phase transformation, low temperature and low temperature variation
Feature.From the point of view of existing achievement in research, high pressure cryogenic fluid formed jet stream while exploitation of gas hydrate reservoir,
Also have the effect of inhibiting gas hydrate dissociation.
When using water jet exploitation of gas hydrate reservoir, jet parameters selection is unreasonable, will lead to production efficiency
It is unable to get guarantee.Therefore include penetrating to jet parameters before to sea bed gas hydrate reservoir using the exploitation of water jet method
The accurate grasp of flow velocity degree, nozzle diameter and range, it appears most important.
Invention content
For water jet exploitation of gas hydrate reservoir is used, jet parameters selection is unreasonable, will lead to production efficiency
The problem of being unable to get guarantee, the present invention are different when exploiting sea bed gas hydrate reservoir using water jet method in order to study
Jet parameters exploit water jet method the influence of sea bed gas hydrate reservoir, and observation is heavy containing gas hydrates in real time
The shattering process and rule of product object, it is proposed that a kind of high-pressure water jet is crushed experimental rig and the side of sea bottom hydrate deposit
Method.
The present invention adopts the following technical scheme that realization：A kind of high-pressure water jet is crushed the examination of sea bottom hydrate deposit
Experiment device, it is characterised in that：The experimental rig includes injected system, visual test cabin system, jet crushing system, ring pressure system
System, back pressure system and acquisition and metering system,
Wherein injected system is used to inject the methane gas needed for synthesis of natural gas hydrate into visual test cabin system,
And so that methane gas is pressurized to the pressure condition met needed for synthesis of natural gas hydrate, injected system include gas cylinder, pressure regulator valve,
Air compressor machine, solenoid valve, gas boosting pump, buffer container, gas flow control meter, check valve, vacuum tank and vacuum pump, pressure regulation
The quantity of valve is three, respectively pressure regulator valve I, pressure regulator valve II and pressure regulator valve III, and the gas cylinder is increased by the first pipeline and gas
Press pump connects, and pressure regulator valve I and valve I are equipped on the first pipeline, and pressure regulator valve I is between gas cylinder and valve I；It is described
Air compressor machine is connected by the second pipeline and gas boosting pump, and pressure regulator valve II and solenoid valve are equipped on the second pipeline；It is described
Gas boosting pump is connected by the air inlet of pipeline and buffer container, and valve II is provided on the pipeline；Buffer container
Gas outlet is connect by third pipeline with the injection hole of visual test cabin system, in the gas outlet of buffer container and visual test cabin
Be disposed on third pipeline between system pressure regulator valve III, gas flow control meter, check valve, valve III, vacuum equipment,
Pressure sensor I and safety valve, wherein vacuum equipment include vacuum tank and vacuum pump, and described vacuum tank one end passes through pipeline
It is tightly connected with vacuum pump, the other end is connected to by seal for pipe joints on third pipeline, and in vacuum tank and third pipeline
Valve IV is provided in connecting pipe；
Wherein visual test cabin system include visual test cabin, elevating mechanism, sealing column, sapphire visual window, injection hole,
Ring presses hole, thermometer hole, ring moulding set, upper end cover, bottom end cover, axis pressure loading chamber, constant speed and constant pressure pump and turning supporting seat, visual to test
Storehouse is mounted in turning supporting seat, and visual test cabin is rectangular parallelepiped structure, for placing and fixing test specimen, visual test cabin
Top is equipped with upper end cover, and is tightly connected with upper end cover, and the bottom of visual test cabin is equipped with bottom end cover, and seals and connect with bottom end cover
It connects, sapphire visual window and thermometer hole is provided on the side wall of visual test cabin, and thermometer hole is located at and sapphire visual window phase
To side wall on；Sealing column is mounted on upper end cover, and is extended to inside visual test cabin across upper end cover, and sealing column is for solid
Determine jet pipe and elevating mechanism, sealing column forms annular space space with jet pipe, which is that the discharge of compound particles is logical
Road；Elevating mechanism is arranged in sealing column upper end, and elevating mechanism is connect with jet pipe, for adjusting the jet stream on jet pipe
The distance between nozzle and test specimen；Injection hole and ring pressure hole are arranged on upper end cover, and injection hole and ring pressure hole are through hole；
Axis pressure loading chamber is provided between bottom end cover and visual test cabin, axis presses loading chamber to be connected with constant speed and constant pressure pump；Ring moulding is arranged
On visual test cabin inner wall, ring moulding set presses hole unicom with ring；
Wherein jet crushing system includes jet pump, jet pipe and jet nozzle, and jet pump is connect with jet pipe；Jet pipe
It is fixed in sealing column, the jet stream end of jet pipe is equipped with jet nozzle；
It is ring press pump that its middle ring, which presses system, and ring press pump presses hole and the ring moulding set on visual test cabin inner wall by ring
Connection, while being provided with pressure sensor II and valve V on the pipeline between ring press pump and ring pressure hole；
Wherein back pressure system includes back-pressure valve, back pressure buffer container and backpressure pump, back-pressure valve setting with sealing column unicom
Discharge pipe on, and valve VI is provided between back-pressure valve and sealing column, back pressure buffer container one end passes through pipeline and back pressure
Valve connects, and the back pressure buffer container other end is connect by pipeline with backpressure pump, and is set between back pressure buffer container and back-pressure valve
It is equipped with pressure sensor III and valve VII；
Wherein acquisition includes that pressure sensor, temperature sensor, three phase separator and minimum gas are automatic with metering system
Metering device, pressure sensor quantity are three, and respectively pressure sensor I, pressure sensor II, pressure sensor III are micro-
Amount gas self-measuring device is connect by three phase separator with back-pressure valve, and the end of probe of temperature sensor is placed in thermometer hole.
The non-20MPa of entrance rated pressure of the pressure regulator valve；Check valve pressure resistance 16MPa；The vacuum degree of vacuum pump is
0.1Pa。
The pump pressure precision of the constant speed and constant pressure pump is 0.25%F.S, flow accuracy 0.1mL/min, rated operating pressure
For 25Mpa, flow is 0.1mL/min~70mL/min.
The rated operating pressure 25MPa of the jet pump, flow are 1mL/min~250mL/min.
The operating pressure of the ring press pump is 32Mpa.
The rated operating pressure of the backpressure pump is 25MPa.
The measurement range of the pressure sensor is 0~25MPa, measuring accuracy 0.1%, the thermometric model of temperature sensor
Enclose is -20 DEG C~100 DEG C.
A kind of high-pressure water jet is crushed the test method of sea bottom hydrate deposit, which is characterized in that this method uses institute
The experimental rig stated is tested, and is specifically comprised the following steps：
Step 1: early-stage preparations, the visual test cabin of cleaning, places drying before testing, and prepares quartz sand or silty,
It cleans up and dries；
Step 2: filling and synthesis, quartz sand or silty are uniformly inserted with brine in visual test cabin, are used in combination
Ring moulding set package；By visual test cabin system, installation is complete, is pumped to axis by constant speed and constant pressure and loading chamber is pressed to note pressure fluid, to examination
It tests sample and applies axial compressive force, compaction test sample, and meet sea bed gas hydrate reservoir actual axial press strip part；Adjust peace
Jet nozzle position loaded on upper end cover, jet stream spray needed for setting experiment is away from tightening sealing after mixing up；Adjust jet pump, setting
Effluxvelocity needed for experiment；The specification of jet nozzle is adjusted, different jet diameter is set；
Step 3: after upper end cover, bottom end cover are tightly connected with visual test cabin respectively, visual test cabin is put into alcohol bath
Visual test cabin is pressed system, back pressure system and acquisition and metering by middle cooling with injected system, jet crushing system, ring respectively
System connects, and methane gas is filled with into visual test cabin by injected system, the amount of methane gas according to experimental design methane
Depending on hydrate concentration, inflationtime is about 20 minutes~30 minutes, after inflation, gas cylinder and each valve is closed, by wine
Smart temperature setting is -10 DEG C~-8 DEG C, records pressure and temperature data, and gas hydrates is waited for generate；
Step 4: jet crushing, after gas hydrates generate, after temperature stabilization, is discharged remaining methane gas
And being filled with brine makes gas hydrates be in floodage；After the injecting process, visual test cabin is taken out, and ensure with
Injected system, jet crushing system, ring pressure system, back pressure system and acquisition connect intact, setting jet pump row with metering system
After amount, jet pump is opened, carries out jet crushing natural gas hydrate deposits object, with the process of camera record jet crushing, together
Shi Jilu temperature and pressure data；
Step 5: in shattering process, water jet is observed to containing natural gas hydrate deposits object by visual test cabin in real time
Broken situation；With the progress of jet stream, water increases in visual test cabin, and extra water carries broken natural gas hydration
The drainpipe discharge that the sealing column of object and sedimentary particle through upper end cover is drawn, finally passes through and the back-pressure valve on drainpipe
The three phase separator and minimum gas self-measuring device of connection complete the total amount that gas is decomposed in recycling and metering to sand sample；
Step 6: after the test, close jet pump, observe and record the crushing effect of object containing natural gas hydrate deposits,
Axis pressure is removed, test specimen is taken out.
By above-mentioned design scheme, the present invention can bring following advantageous effect compared with prior art：Structure of the invention
Simply, test run process safety, reliable, can with the true confining pressure of simulated sea bottom gas hydrates reservoir, axis press strip part and
Environment is flooded, the accuracy of test result is improved；The experimental rig can be observed including rock, land-based area gas hydrates etc.
Broken situation of the test specimen inside under the conditions of jet stream.Device can simulate different ranges, effluxvelocity, nozzle diameter item
Broken situation under part, production efficiency when improving using high-pressure water jet method exploitation of gas hydrate.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description explanation does not constitute the improper restriction of the present invention, in the accompanying drawings for understanding the present invention：
Fig. 1 is the structural representation that a kind of high-pressure water jet of the present invention is crushed the experimental rig of sea bottom hydrate deposit
Figure.
Fig. 2 is visual test cabin warehouse schematic diagram in the present invention.
It is respectively marked in figure as follows：1- gas cylinders, 2- pressure regulator valves, 201- pressure regulator valves I, 202- pressure regulator valves II, 203- pressure regulator valves III,
301- valve Is, 302- valves II, 303- valves III, 304- valves IV, 305- valves V, 306- valves VI, 307- valves VII,
4- gas boostings pump, 5- solenoid valves, 6- air compressor machines, 7- buffer containers, 8- gas flows control meter, 9- check valves, 10- vacuum are held
Device, 11- vacuum pumps, 12- pressure sensors, 1201- pressure sensors I, 1202- pressure sensors II, 1203- pressure sensors
III, the visual test cabin of 13- safety valves, 14-, 15- jet pumps, 16- elevating mechanisms, 17- jet pipes, 18- jet nozzles, 19- are close
Feng Zhu, 20- back-pressure valve, 21- back pressure buffer container, 22- backpressure pumps, 23- three phase separators, 24- minimum gas automatic gauges dress
It sets, 25- ring press pumps, 26- discharge pipes, 27- temperature sensors, 28- injection holes, 29- rings press hole, 30- sapphires visual window, 31-
Upper end cover, 32- bottom end covers, 33- axis pressure loading chamber, 34- constant speed and constant pressures pump, 35- thermometer holes, 36- ring moulding set, 37- overturning branch
Seat.
Specific implementation mode
In order to avoid obscuring the essence of the present invention, well known method, process, flow and element are not described in detail.
As shown in Figures 1 and 2, the present invention proposes a kind of experiment dress of the broken sea bottom hydrate deposit of high-pressure water jet
It sets including injected system, visual test cabin system, jet crushing system, ring pressure system, back pressure system and acquisition and metering system,
Injected system is connected with the injection hole 28 in visual test cabin system, and injection hole 28 is opened in the middle part of upper end cover 31, is used for
The methane gas needed for synthesis of natural gas hydrate is injected into visual test cabin 14, and methane gas is made to be pressurized to satisfaction synthesis
Pressure condition needed for gas hydrates；Jet crushing system is connected with the sealing column 19 being arranged on upper end cover 31, and leans on
Nearly 30 side of sapphire visual window, convenient for observing the mistake of jet crushing natural gas hydrate deposits object by sapphire visual window 30
Journey；Ring presses system to be connected with the ring pressure hole 29 being opened on upper end cover 31；Back pressure system and the discharge pipe drawn from sealing column 19
Back-pressure valve 20 on 26 connects；Acquisition is three with 12 quantity of pressure sensor in metering system, is respectively arranged at injection system
System, back pressure system, ring pressure system connect one end with visual test cabin system, and the end of probe of temperature sensor 27 is placed in visual experiment
In thermometer hole 35 on 14 side wall of storehouse, and on 30 opposite side wall of sapphire visual window, minimum gas self-measuring device 24
It is connected with the back-pressure valve 20 on discharge pipe 26 by three phase separator 23, to measure the first generated after gas hydrate dissociation
Alkane gas；
The injected system is used to inject the methane gas needed for synthesis of natural gas hydrate into visual test cabin system,
And methane gas is made to be pressurized to the pressure condition met needed for synthesis of natural gas hydrate, injected system includes gas cylinder 1, pressure regulator valve
2, air compressor machine 6, solenoid valve 5, gas boosting pump 4, buffer container 7, gas flow control meter 8, check valve 9,10 and of vacuum tank
Vacuum pump 11, pressure of the pressure regulator valve 2 for methane gas injection are adjusted, entrance rated pressure 20MPa, and the quantity of pressure regulator valve 2 is
Three, respectively pressure regulator valve I 201, pressure regulator valve II 202 and pressure regulator valve III 203, the gas cylinder 1 are increased by the first pipeline and gas
Press pump 4 connects, and pressure regulator valve I 201 and valve I 301 are equipped on the first pipeline, and pressure regulator valve I 201 is located at gas cylinder 1 and valve
Between door I 301, methane purity is 99.99% in gas cylinder 1, is used for synthesis of natural gas hydrate；Gas cylinder 1 passes through pressure regulator valve I 201
Methane gas is injected into gas boosting pump 4 with valve I 301；The air compressor machine 6 is connected by the second pipeline and gas boosting pump 4
It connects, and pressure regulator valve II 202 and solenoid valve 5 is installed on the second pipeline, methane gas, which is forced into gas hydrates, to be generated
Required pressure condition；The gas boosting pump 4 is connect by pipeline with the air inlet of buffer container 7, and is set on the pipeline
It is equipped with valve II 302；The gas outlet of buffer container 7 is connect by third pipeline with the injection hole 28 of visual test cabin system,
It is disposed with pressure regulator valve III 203, gas stream on third pipeline between the gas outlet of buffer container 7 and visual test cabin system
Amount control meter 8, check valve 9, valve III 303, vacuum equipment, pressure sensor I 1201 and safety valve 13, the methane gas after pressurization
After body is by buffer container 7, by gas flow control meter 8 and check valve 9, and finally with the injection hole on upper end cover 31
28 are connected, and methane gas with pressure are injected visual test cabin system, 9 pressure resistance 16MPa of check valve prevents gas backstreaming；Wherein
Vacuum equipment includes vacuum tank 10 and vacuum pump 11, for extracting 14 inner air of visual test cabin and remaining methane gas
Body ensures that the authenticity of experiment, 10 one end of the vacuum tank are tightly connected by pipeline and vacuum pump 11, and the other end passes through pipe
Road is sealably coupled on third pipeline, and is provided with valve IV 304 in the connecting pipe of vacuum tank 10 and third pipeline；Very
The vacuum degree of sky pump 11 is 0.1Pa, and 14 top injection hole 28 of visual test cabin is connected to by pipeline, when gas hydrates close
Cheng Shi carries out vacuumize process to visual test cabin 14, removes the air in visual test cabin 14 and remaining methane gas, ensures
The authenticity of experiment；
The visual test cabin system includes visual test cabin 14, elevating mechanism 16, sealing column 19, sapphire visual window
30, injection hole 28, ring pressure hole 29, thermometer hole 35, ring moulding set 36, upper end cover 31, bottom end cover 32, axis pressure loading chamber 33, constant speed
Constant pressure pump 34 and turning supporting seat 37, visual test cabin 14 are mounted in turning supporting seat 37, by adjusting turning supporting seat 37, Neng Goujin
Row is vertically tested to horizontal direction water jet rock breaking, the crushing effect after rotation under Observable horizonally projected jet state；Visual experiment
Storehouse 14 is rectangular parallelepiped structure, for placing and fixing test specimen, the whole maximum pressure resistance 25MPa of visual test cabin 14, shape ruler
Very little is 180mm × 180mm × 355mm, and test specimen size is 60mm × 60mm × 150mm；The top of visual test cabin 14 is set
Have a upper end cover 31, and be tightly connected with upper end cover 31, the bottom of visual test cabin 14 is equipped with bottom end cover 32, visual test cabin 14 with
Bottom end cover 32 is tightly connected, and sapphire visual window 30 and thermometer hole 35, and thermometer hole are provided on the side wall of visual test cabin 14
35 are located on the side wall opposite with sapphire visual window 30, and sapphire visual window 30 is for observing object containing natural gas hydrate deposits
Shattering process；Sealing column 19 is mounted on upper end cover 31, and is extended to inside visual test cabin 14 across upper end cover 31, is sealed
The setting of column 19 is in upper end cover 31 close to 30 side of sapphire visual window, and sealing column 19 is for fixing jet pipe 17 and elevating mechanism
16, the erosion of high pressure heterogeneous fluid can be born, as the passing away of compound particles, i.e., the broken compound particles generated are logical
It crosses sealing column 19 and the annular gap of jet pipe 17 enters discharge pipe 26；The setting of elevating mechanism 16 is in 19 upper end of sealing column, lifting
Mechanism 16 is connect with jet pipe 17, for adjusting the distance between jet nozzle 18 and test specimen on jet pipe 17
That is range；Injection hole 28 and ring pressure hole 29 are arranged on upper end cover 31, and injection hole 28 and ring pressure hole 29 are through hole；Bottom end cover 32
There is setting axis to press loading chamber 33, axis that loading chamber 33 is pressed to be connect with constant speed and constant pressure pump 34 between visual test cabin 14, fast constant pressure pump
34 can provide steady pressure condition, can be exported with constant pressure or constant flow rate, under constant-pressure conditions, can realize ring-type
Space internal pressure, which is tried hard to keep, holds dynamic equilibrium, and it is 0.25%F.S, flow accuracy 0.1mL/ to have higher control accuracy pump pressure precision
Min, rated operating pressure 25Mpa, flow are 0.1mL/min~70mL/min；Ring moulding set 36 is located at visual test cabin 14
On inner wall, ring moulding set 36 presses 29 unicom of hole with ring；
The jet crushing system includes jet pump 15, jet pipe 17 and jet nozzle 18, jet pump 15 and jet pipe 17
Connection；Jet pipe 17 is fixed in sealing column 19, and the jet stream end of jet pipe 17 is equipped with jet nozzle 18；Jet pump 15 is experiment
The high-pressure water jet of stable and continuous needed for providing, jet pipe 17 are fixed in sealing column 19, considerable by adjusting jet pump 15
The crushing effect under the effect of different jet speed is surveyed, jet pump 15 provides the high-pressure water jet of required stable and continuous for experiment,
The rated operating pressure 25MPa of the jet pump 15, flow are 1mL/min~250mL/min.Jet pipe 17 can be by elevating mechanism
16 up and down adjustments, the crushing effect under the conditions of Observable difference range；Jet nozzle 18 is replaceable part, can simulate different jet
Influence of the nozzle diameter to the crushing effect of object containing natural gas hydrate deposits.
The ring pressure system is ring press pump 25, and ring press pump 25 is pressed hole 29 and be located on 14 inner wall of visual test cabin by ring
36 connection of ring moulding set, while being provided with pressure sensor II 1202 and valve on the pipeline between ring press pump 25 and ring pressure hole 29
Door V 305；The operating pressure of ring press pump 25 is 32Mpa, and by the ring moulding set 36 for visual 14 inner wall of test cabin that pressurizes, realization is penetrated
Apply confining pressure load, simulated sea bottom natural gas hydrate deposits to containing natural gas hydrate deposits object while stream is crushed hydrate
The reservoir confining pressure of object preservation；
The back pressure system includes back-pressure valve 20, back pressure buffer container 21 and backpressure pump 22, the setting of back-pressure valve 20 with it is close
It seals on the discharge pipe 26 of 19 unicom of column, and is provided with valve VI 306, back pressure buffer container between back-pressure valve 20 and sealing column 19
21 one end are connect by pipeline with back-pressure valve 20, and 21 other end of back pressure buffer container is connect by pipeline with backpressure pump 22, and
Pressure sensor III 1203 and valve VII 307 are provided between back pressure buffer container 21 and back-pressure valve 20；Backpressure pump 22 it is specified
Operating pressure is 25MPa, and visual 14 pressure of test cabin is very big when due to experiment, and the solid particle under being crushed is under the action of high pressure
The velocity of discharge is very high, causes liquid stream unstable, the back pressure system being made of with backpressure pump 22 back-pressure valve 20, back pressure buffer container 21
It can play the role of steady liquid stream, back pressure system main function is control gas hydrate dissociation pressure, adjusts gas-liquid flow
Go out rate, keep efflux steady, convenient for separation and metering；
The acquisition and metering system include pressure sensor 12, temperature sensor 27, three phase separator 23 and trace gas
The measurement range of body self-measuring device 24, pressure sensor 12 is 0~25MPa, measuring accuracy 0.1%, pressure sensor
12 quantity is three, respectively pressure sensor I 1201, pressure sensor II 1202, pressure sensor III 1203, trace gas
Body self-measuring device 24 is connect by three phase separator 23 with back-pressure valve 20, for measuring water jets impact gas hydrates
The end of probe of the gas flow of release, temperature sensor 27 is placed in thermometer hole 35, and the temperature-measuring range of temperature sensor 27 is -20 DEG C
~100 DEG C；Measure the temperature change in gas hydrates test specimen temperature and shattering process.Minimum gas automatic gauge fills
24 are set to connect with the back-pressure valve 20 on discharge pipe 26 by three phase separator 23, three phase separator 23 detach gas, cross drainage and
Sand is collected, minimum gas self-measuring device 24 is used to measure the gas flow of water jets impact hydrate release；Device is everywhere
Sensor by data acquisition circuit, integrated, data processing software is connected to computer, can real time reaction go out the temperature of equipment everywhere
Press situation.
The invention also provides a kind of high-pressure water jets to be crushed the test method of sea bottom hydrate deposit, and specific steps are such as
Under：
Step 1: cleaning and preparation, the visual test cabin 14 of cleaning before testing, place drying, preparation quartz sand or aleuritic texture
Mud stone is cleaned up and is dried；
Step 2: filling and synthesis, quartz sand or siltpelite are uniformly inserted with brine in visual test cabin 14, are used in combination
36 package of ring moulding set；By visual test cabin system, installation is complete, by constant speed and constant pressure pump 34 to positioned at 32 top of bottom end cover
Axis presses 33 note pressure fluid of loading chamber, applies axial compressive force to test specimen, is compacted sample, and meets sea bed gas hydrate storage
Layer actual axial press strip part；Adjust be installed on upper end cover 31 jet nozzle 18 position, setting experiment needed for jet stream spray away from；It adjusts
Jet pump 15, the required effluxvelocity of setting experiment；The specification of jet nozzle 18 is adjusted, different jet diameter is set, is twisted after mixing up
Tightening seal；
Step 3: after upper end cover 31, bottom end cover 32 are tightly connected with visual test cabin 14, visual test cabin 14 is put into wine
Essence bath in cool down, each pipeline of attachment device, by visual test cabin 14 respectively with injected system, jet crushing system, ring pressure system,
Back pressure system and acquisition are connect with metering system, and methane gas is filled with into visual test cabin 14 by injected system, when inflation
Between about 20 minutes~30 minutes, after inflation, gas cylinder 1 and each valve are closed, by alcohol temperature setting gas hydrates
Temperature condition (5 DEG C or so) is generated, pressure and temperature data are recorded, gas hydrates is waited for generate；
Step 4: jet crushing needs that remaining methane gas is discharged and is filled with brine after gas hydrates generate
Gas hydrates are made to be in floodage.To reduce the decomposition of methane hydrate during this, existed according to gas hydrates
When temperature is in 242K~271K, pressure will produce self-shield phenomenon without the principle decomposed when being down to 0.1MPa suddenly.
Temperature after due to generation is 273.65K, and water-bath is dropped to 271K or less before exhaust.After temperature stabilization, pass through vacuum
Pump 11 quickly extracts residual methane gas out, and is filled with cooling brine rapidly and is forced into gas hydrates and generate required pressure
Condition.After the injecting process, by visual test cabin 14 take out and ensure with injected system, jet crushing system, ring pressure system,
Back pressure system and acquisition connect with metering system it is intact, set 15 discharge capacity of jet pump after, unlatching jet pump 15, progress jet crushing
Natural gas hydrate deposits object with the process of camera record jet crushing, while recording temperature and pressure data；
Step 5: in shattering process, water jet can be observed to containing gas hydrates by visual test cabin 14 in real time
The crushing effect of deposit；With the progress of jet stream, water increases in visual test cabin 14, and extra water carries broken day
The drainpipe 26 that the sealing column 19 of right gas hydrate and sedimentary particle through upper end cover 31 is drawn is discharged, finally pass through with positioned at row
The three phase separator 23 and minimum gas self-measuring device 24 that back-pressure valve 20 on water pipe 26 connects, complete the recycling to sand sample
The total amount of gas is decomposed with metering；
Step 6: after the test, closing jet pump 15, observing and recording the broken effect of object containing natural gas hydrate deposits
Fruit removes axis pressure, takes out sample.
Finally illustrate, is merely illustrative of the technical solution of the present invention above and unrestricted, although to the present invention
It is described in detail, it should be appreciated by those of ordinary skill in the art that can be made in the form and details to it respectively
The change of kind various kinds, without departing from of the invention defined by the appended claims.
Claims (8)
1. a kind of high-pressure water jet is crushed the experimental rig of sea bottom hydrate deposit, it is characterised in that：The experimental rig includes
Injected system, visual test cabin system, jet crushing system, ring pressure system, back pressure system and acquisition and metering system,
Wherein injected system is for injecting the methane gas needed for synthesis of natural gas hydrate into visual test cabin system, and makes
Methane gas is pressurized to the pressure condition met needed for synthesis of natural gas hydrate, and injected system includes gas cylinder (1), pressure regulator valve
(2), air compressor machine (6), solenoid valve (5), gas boosting pump (4), buffer container (7), gas flow control meter (8), check valve
(9), the quantity of vacuum tank (10) and vacuum pump (11), pressure regulator valve (2) is three, respectively pressure regulator valve I (201), pressure regulator valve
II (202) and pressure regulator valve III (203), the gas cylinder (1) are connect by the first pipeline with gas boosting pump (4), and in the first pipe
Road is equipped with pressure regulator valve I (201) and valve I (301), and pressure regulator valve I (201) is located between gas cylinder (1) and valve I (301)；
The air compressor machine (6) is connect by the second pipeline with gas boosting pump (4), and pressure regulator valve II is equipped on the second pipeline
(202) and solenoid valve (5)；The gas boosting pump (4) is connect by pipeline with the air inlet of buffer container (7), and in the pipe
Valve II (302) is provided on road；The injection hole that the gas outlet of buffer container (7) passes through third pipeline and visual test cabin system
(28) it connects, pressure regulation is disposed on the third pipeline between the gas outlet of buffer container (7) and visual test cabin system
Valve III (203), gas flow control meter (8), check valve (9), valve III (303), vacuum equipment, pressure sensor I (1201)
And safety valve (13), wherein vacuum equipment includes vacuum tank (10) and vacuum pump (11), and described vacuum tank (10) one end is logical
Piping is tightly connected with vacuum pump (11), and the other end is connected to by seal for pipe joints on third pipeline, and in vacuum tank
(10) and it is provided with valve IV (304) in the connecting pipe of third pipeline；
Wherein visual test cabin system includes visual test cabin (14), elevating mechanism (16), sealing column (19), sapphire visual window
(30), injection hole (28), ring pressure hole (29), thermometer hole (35), ring moulding set (36), upper end cover (31), bottom end cover (32), axis pressure
Loading chamber (33), constant speed and constant pressure pump (34) and turning supporting seat (37), visual test cabin (14) are mounted in turning supporting seat (37), can
Test cabin (14) is regarded as rectangular parallelepiped structure, for placing and fixing test specimen, the top of visual test cabin (14) is equipped with upper end
It covers (31), and is tightly connected with upper end cover (31), the bottom of visual test cabin (14) is equipped with bottom end cover (32), and and bottom end cover
(32) it is tightly connected, sapphire visual window (30) and thermometer hole (35), and thermometric is provided on the side wall of visual test cabin (14)
Hole (35) is located on the side wall opposite with sapphire visual window (30)；Sealing column (19) is mounted on upper end cover (31), and is passed through
Upper end cover (31) extends to visual test cabin (14) inside, and sealing column (19) is for fixing jet pipe (17) and elevating mechanism
(16), sealing column (19) forms annular space space with jet pipe (17), which is the passing away of compound particles；Lifting
Mechanism (16) is arranged in sealing column (19) upper end, and elevating mechanism (16) is connect with jet pipe (17), and jet stream is mounted on for adjusting
Manage the distance between jet nozzle (18) and the test specimen on (17)；Injection hole (28) and ring pressure hole (29) are arranged in upper end cover
(31) on, injection hole (28) and ring pressure hole (29) are through hole；It is provided with axis between bottom end cover (32) and visual test cabin (14)
Loading chamber (33), axis pressure loading chamber (33) is pressed to be connect with constant speed and constant pressure pump (34)；Ring moulding set (36) is located at visual test cabin
(14) on inner wall, ring moulding set (36) presses hole (29) unicom with ring；
Wherein jet crushing system includes jet pump (15), jet pipe (17) and jet nozzle (18), jet pump (15) and jet stream
Manage (17) connection；Jet pipe (17) is fixed in sealing column (19), and the jet stream end of jet pipe (17) is equipped with jet nozzle (18)；
It is ring press pump (25) that its middle ring, which presses system, and ring press pump (25) is by ring pressure hole (29) and is located at visual test cabin (14) inner wall
On ring moulding set (36) connection, while being pressed in ring press pump (25) and ring and being provided with pressure sensor on the pipeline between hole (29)
II (1202) and valve V (305)；
Wherein back pressure system includes back-pressure valve (20), back pressure buffer container (21) and backpressure pump (22), and back-pressure valve (20) setting exists
With on the discharge pipe (26) of sealing column (19) unicom, and it is provided with valve VI between back-pressure valve (20) and sealing column (19)
(306), back pressure buffer container (21) one end is connect by pipeline with back-pressure valve (20), and back pressure buffer container (21) other end passes through
Pipeline is connect with backpressure pump (22), and is provided with pressure sensor III between back pressure buffer container (21) and back-pressure valve (20)
(1203) and valve VII (307)；
Wherein acquisition and metering system include pressure sensor (12), temperature sensor (27), three phase separator (23) and micro
Gas self-measuring device (24), pressure sensor (12) quantity are three, and respectively pressure sensor I (1201), pressure pass
Sensor II (1202), pressure sensor III (1203), minimum gas self-measuring device (24) by three phase separator (23) with
Back-pressure valve (20) connects, and the end of probe of temperature sensor (27) is placed in thermometer hole (35).
2. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The non-20MPa of entrance rated pressure of the pressure regulator valve (2)；Check valve (9) pressure resistance 16MPa；The vacuum degree of vacuum pump (11)
For 0.1Pa.
3. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The pump pressure precision of the constant speed and constant pressure pump (34) is 0.25%F.S, flow accuracy 0.1mL/min, rated operating pressure
For 25Mpa, flow is 0.1mL/min~70mL/min.
4. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The rated operating pressure 25MPa of the jet pump (15), flow are 1mL/min~250mL/min.
5. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The operating pressure of the ring press pump (25) is 32Mpa.
6. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The rated operating pressure of the backpressure pump (22) is 25MPa.
7. a kind of high-pressure water jet according to claim 1 is crushed the experimental rig of sea bottom hydrate deposit, feature
It is：The measurement range of the pressure sensor (12) be 0~25MPa, measuring accuracy 0.1%, temperature sensor (27)
Temperature-measuring range is -20 DEG C~100 DEG C.
8. a kind of high-pressure water jet is crushed the test method of sea bottom hydrate deposit, which is characterized in that this method uses right
It is required that the experimental rig described in 1-7 any one is tested, specifically comprise the following steps：
Step 1: early-stage preparations, the visual test cabin (14) of cleaning, places drying before testing, and prepares quartz sand or silty,
It cleans up and dries；
Step 2: filling and synthesis, quartz sand or silty are uniformly inserted with brine in visual test cabin (14), are used in combination
Ring moulding set (36) wraps up；By visual test cabin system, installation is complete, and loading chamber (33) is pressed to axis by constant speed and constant pressure pump (34)
Pressure fluid is noted, axial compressive force, compaction test sample are applied to test specimen, and meet sea bed gas hydrate reservoir actual axial
Press strip part；Adjusting is installed on jet nozzle (18) position of upper end cover (31), and jet stream spray needed for setting experiment after mixing up away from tightening
Sealing；Adjust jet pump (15), the required effluxvelocity of setting experiment；The specification of jet nozzle (18) is adjusted, different jet is set
Diameter；
Step 3: after upper end cover (31), bottom end cover (32) are tightly connected with visual test cabin (14) respectively, by visual test cabin
(14) it is put into alcohol bath and cools down, visual test cabin (14) is pressed into system with injected system, jet crushing system, ring respectively, is returned
Pressure system and acquisition are connect with metering system, and methane gas, methane gas are filled with into visual test cabin (14) by injected system
For the amount of body depending on the methane hydrate saturation degree of experimental design, inflationtime is about 20 minutes~30 minutes, after inflation,
Gas cylinder (1) and each valve are closed, is 4 DEG C~6 DEG C by alcohol temperature setting, records pressure and temperature data, wait for gas water
Object is closed to generate；
Step 4: jet crushing, after gas hydrates generate, after temperature stabilization, is discharged remaining methane gas and fills
Entering brine makes gas hydrates be in floodage；After the injecting process, by visual test cabin (14) take out, and ensure with
Injected system, jet crushing system, ring pressure system, back pressure system and acquisition connect intact, setting jet pump with metering system
(15) after discharge capacity, jet pump (15) is opened, jet crushing natural gas hydrate deposits object is carried out, with camera record jet crushing
Process, while recording temperature and pressure data；
Step 5: in shattering process, water jet is observed in real time by visual test cabin (14) to containing natural gas hydrate deposits object
Broken situation；With the progress of jet stream, the visual interior water of test cabin (14) increases, and extra water carries broken natural gas
Drainpipe (26) discharge that sealing column (19) through upper end cover (31) of hydrate and sedimentary particle is drawn, finally pass through with positioned at
The three phase separator (23) and minimum gas self-measuring device (24) of back-pressure valve (20) connection on drainpipe (26), completion pair
The total amount of gas is decomposed in the recycling and metering of sand sample；
Step 6: after the test, close jet pump (15), observe and record the crushing effect of object containing natural gas hydrate deposits,
Axis pressure is removed, test specimen is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372502.5A CN108375660A (en) | 2018-04-24 | 2018-04-24 | A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372502.5A CN108375660A (en) | 2018-04-24 | 2018-04-24 | A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108375660A true CN108375660A (en) | 2018-08-07 |
Family
ID=63032689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810372502.5A Pending CN108375660A (en) | 2018-04-24 | 2018-04-24 | A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108375660A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538170A (en) * | 2019-01-21 | 2019-03-29 | 吉林大学 | The pressure test device and method of fluid jet in-situ retorting gas hydrates |
| CN109557253A (en) * | 2018-11-02 | 2019-04-02 | 广州海洋地质调查局 | A kind of comprehensive hydrate simulation system and its experimental method |
| CN109557252A (en) * | 2018-11-02 | 2019-04-02 | 广州海洋地质调查局 | A kind of comprehensive hydrate simulation system |
| CN110205173A (en) * | 2019-07-03 | 2019-09-06 | 中国科学院武汉岩土力学研究所 | A kind of gas hydrate injection synthetic test system |
| CN110485981A (en) * | 2019-09-10 | 2019-11-22 | 河南理工大学 | Liquid nitrogen can be pressurized and couple fracturing permeability improvement device and anti-reflection experimental method with nitrogen |
| CN111879912A (en) * | 2020-08-05 | 2020-11-03 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
| WO2021082224A1 (en) * | 2019-10-28 | 2021-05-06 | 中国科学院广州能源研究所 | Natural gas hydrate mineral fracturing experiment device |
| CN114459961A (en) * | 2022-02-10 | 2022-05-10 | 南方海洋科学与工程广东省实验室(广州) | Physical simulation device and experimental method for natural gas hydrate transport polymer |
| CN114994288A (en) * | 2022-06-01 | 2022-09-02 | 重庆科技学院 | Comprehensive experiment system for preventing and controlling generation of oil and gas pipeline hydrate |
| US11465152B2 (en) * | 2018-05-25 | 2022-10-11 | Southwest Petroleum University | Crushing system for large-size natural gas hydrate rock samples |
| US11542789B2 (en) | 2021-02-24 | 2023-01-03 | Southwest Petroleum University | Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252918A (en) * | 2011-06-30 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | Three-axis test device and methods for sediments including gas hydrates |
| CN102323394A (en) * | 2011-08-23 | 2012-01-18 | 中国地质大学（武汉） | Experimental apparatus and method for researching response characteristic of natural gas hydrate stratum to drilling fluid intrusion |
| CN102704894A (en) * | 2012-05-30 | 2012-10-03 | 上海交通大学 | In-situ submarine natural gas hydrate exploiting device and method thereof |
| CN103971577A (en) * | 2014-05-16 | 2014-08-06 | 青岛海洋地质研究所 | Test simulator for displacement and extraction of natural gas hydrates through CO2 |
| CN105259003A (en) * | 2015-11-25 | 2016-01-20 | 中国科学院广州能源研究所 | Experiment device and method for synthesizing marine natural gas hydrate sample |
| CN105571647A (en) * | 2016-02-03 | 2016-05-11 | 青岛海洋地质研究所 | Natural gas hydrate exploitation multi-physical field evolution simulation test device and method |
| CN206546684U (en) * | 2017-02-23 | 2017-10-10 | 中国石油大学(华东) | A kind of steam exploits hydrate sandpack column system |
-
2018
- 2018-04-24 CN CN201810372502.5A patent/CN108375660A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252918A (en) * | 2011-06-30 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | Three-axis test device and methods for sediments including gas hydrates |
| CN102323394A (en) * | 2011-08-23 | 2012-01-18 | 中国地质大学（武汉） | Experimental apparatus and method for researching response characteristic of natural gas hydrate stratum to drilling fluid intrusion |
| CN102704894A (en) * | 2012-05-30 | 2012-10-03 | 上海交通大学 | In-situ submarine natural gas hydrate exploiting device and method thereof |
| CN103971577A (en) * | 2014-05-16 | 2014-08-06 | 青岛海洋地质研究所 | Test simulator for displacement and extraction of natural gas hydrates through CO2 |
| CN105259003A (en) * | 2015-11-25 | 2016-01-20 | 中国科学院广州能源研究所 | Experiment device and method for synthesizing marine natural gas hydrate sample |
| CN105571647A (en) * | 2016-02-03 | 2016-05-11 | 青岛海洋地质研究所 | Natural gas hydrate exploitation multi-physical field evolution simulation test device and method |
| CN206546684U (en) * | 2017-02-23 | 2017-10-10 | 中国石油大学(华东) | A kind of steam exploits hydrate sandpack column system |
Non-Patent Citations (1)
| Title |
|---|
| 王国荣 等: "天然气水合物射流破碎工具及其配套工艺技术", 《天然气工业》, vol. 37, no. 12, pages 68 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11465152B2 (en) * | 2018-05-25 | 2022-10-11 | Southwest Petroleum University | Crushing system for large-size natural gas hydrate rock samples |
| CN109557252B (en) * | 2018-11-02 | 2021-02-02 | 广州海洋地质调查局 | Comprehensive hydrate simulation system |
| CN109557253A (en) * | 2018-11-02 | 2019-04-02 | 广州海洋地质调查局 | A kind of comprehensive hydrate simulation system and its experimental method |
| CN109557252A (en) * | 2018-11-02 | 2019-04-02 | 广州海洋地质调查局 | A kind of comprehensive hydrate simulation system |
| CN109557253B (en) * | 2018-11-02 | 2019-07-23 | 广州海洋地质调查局 | A kind of comprehensive hydrate simulation system and its experimental method |
| CN109538170A (en) * | 2019-01-21 | 2019-03-29 | 吉林大学 | The pressure test device and method of fluid jet in-situ retorting gas hydrates |
| US11053780B2 (en) | 2019-01-21 | 2021-07-06 | Jilin University | Pressurized test device and method for in-situ mining natural gas hydrates by jets |
| CN110205173A (en) * | 2019-07-03 | 2019-09-06 | 中国科学院武汉岩土力学研究所 | A kind of gas hydrate injection synthetic test system |
| CN110485981A (en) * | 2019-09-10 | 2019-11-22 | 河南理工大学 | Liquid nitrogen can be pressurized and couple fracturing permeability improvement device and anti-reflection experimental method with nitrogen |
| WO2021082224A1 (en) * | 2019-10-28 | 2021-05-06 | 中国科学院广州能源研究所 | Natural gas hydrate mineral fracturing experiment device |
| CN111879912A (en) * | 2020-08-05 | 2020-11-03 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
| CN111879912B (en) * | 2020-08-05 | 2023-02-21 | 中国海洋石油集团有限公司 | Experimental device and method for monitoring secondary generation of drilling and production natural gas hydrate |
| US11542789B2 (en) | 2021-02-24 | 2023-01-03 | Southwest Petroleum University | Cavity creation tool by crushing with multi-stage controllable water jet for natural gas hydrate development |
| CN114459961A (en) * | 2022-02-10 | 2022-05-10 | 南方海洋科学与工程广东省实验室(广州) | Physical simulation device and experimental method for natural gas hydrate transport polymer |
| CN114459961B (en) * | 2022-02-10 | 2024-02-13 | 南方海洋科学与工程广东省实验室(广州) | Natural gas hydrate transportation and aggregation physical simulation device and experimental method |
| CN114994288A (en) * | 2022-06-01 | 2022-09-02 | 重庆科技学院 | Comprehensive experiment system for preventing and controlling generation of oil and gas pipeline hydrate |
| CN114994288B (en) * | 2022-06-01 | 2023-12-12 | 重庆科技学院 | Comprehensive experiment system for preventing and controlling hydrate formation of oil and gas pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108375660A (en) | A kind of high-pressure water jet is crushed the experimental rig and method of sea bottom hydrate deposit | |
| CN208109793U (en) | A kind of high-pressure water jet is crushed the experimental rig of sea bottom hydrate deposit | |
| CN106290045B (en) | Unconventional tight sandstone reservoir oiliness and mobility evaluation experimental method | |
| WO2017080353A1 (en) | Device for testing characteristics of sand production during mining of natural gas hydrate | |
| CN109538170A (en) | The pressure test device and method of fluid jet in-situ retorting gas hydrates | |
| WO2021227384A1 (en) | Supergravity hydrate research test system and method | |
| CN105571647B (en) | Exploitation of gas hydrates multiple physical field Evolution Simulation test device and method | |
| WO2016061854A1 (en) | Simulation experiment device for natural gas hydrate exploitation at permeable boundary layers | |
| CN104563982B (en) | High-temperature high-pressure dry gas injection longitudinal wave and efficiency testing device and method for gas condensate reservoir | |
| CN105044284B (en) | The experimental technique of the experimental provision of porous media skeleton change during a kind of researching natural gas decomposition of hydrate | |
| CN110887776B (en) | Device and method for measuring horizontal/vertical permeability of hydrate-containing reservoir | |
| CN109519156B (en) | Seepage experiment method for side water sandstone gas reservoir water drive profile model | |
| Li et al. | Insights on the gas permeability change in porous shale | |
| CN209460105U (en) | A kind of visualization based on nuclear magnetic resonance rock core imbibition experimental provision with pressure | |
| CN104897543A (en) | Multi-phase permeameter and rock permeability determination method | |
| CN110927358B (en) | Natural gas hydrate mineral deposit fracturing experimental device | |
| CN106442044B (en) | A kind of production method of unconventional tight sand oil Quantitative simulation experiment sample | |
| CN108051354B (en) | Hypotonic hydrate deposit permeability measuring method and device based on pulse attenuation analysis | |
| CN108169062A (en) | Simulate the visual test device and method of subterranean coal gas preservation desorption process | |
| CN107063919A (en) | Carbon dioxide and the device and method of alkane competitive Adsorption amount in a kind of measurement shale | |
| CN109827829B (en) | Rotary type hydrate sediment sample preparation and mechanical property test device | |
| CN113006759A (en) | Shale oil fracturing synchronous energization simulation experiment device and method | |
| CN111472729B (en) | Evaluation and test method for natural gas hydrate cave well completion | |
| CN107703275A (en) | A kind of methane hydrate balances each other the High-Voltage Experimentation device and method of research | |
| CN209483311U (en) | The pressure test device of fluid jet in-situ retorting gas hydrates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |