CN208125729U - The quiet spy parameter simulation device of engineering containing hydrate sediment - Google Patents
The quiet spy parameter simulation device of engineering containing hydrate sediment Download PDFInfo
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- CN208125729U CN208125729U CN201820618068.XU CN201820618068U CN208125729U CN 208125729 U CN208125729 U CN 208125729U CN 201820618068 U CN201820618068 U CN 201820618068U CN 208125729 U CN208125729 U CN 208125729U
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Abstract
The utility model category exploiting ocean natural gas hydrates field, more particularly to a kind of quiet spy parameter simulation device of engineering containing hydrate sediment, including hydrate reservoir simulation reaction kettle subsystem, gas supply subsystem, cooling subsystem, static sounding subsystem, Monitor And Control Subsystem and data acquisition subsystem.The simulator is a kind of device that can carry out the quiet spy parameter evaluation of reservoir engineering by simulated experiment indoors, basic data support can be provided for the foundation of hydrate sediment engineering parameter computation model under the conditions of different reservoir, provide foundation to establish dedicated for the quiet basic skills for visiting parameter evaluation of engineering containing hydrate sediment.
Description
Technical field
The utility model category exploiting ocean natural gas hydrates field, and in particular to a kind of engineering containing hydrate sediment is quiet
Visit parameter simulation device.
Background technique
Gas hydrates refer under certain Temperature-pressure Conditions, the caged chemical combination formed in conjunction with water by methane gas
Object.Ideally 1m3Gas hydrate dissociation can discharge 164m3The natural gas of (mark condition), therefore gas hydrates quilt
It is considered the unconventional energy resource with huge energy potential, is typically distributed on land permafrost band or continental margin deep-sea shallow-layer
In deposit.In order to which effective exploitation utilizes gas hydrates, at present in Canadian Mallik, U.S.'s Alaska north slope, Japan
Basin, South China Sea Shenhu sea area have all carried out certain gas hydrates pilot production in Nankai Trough, Chinese Wood.It obtains
Certain understanding was obtained, provides certain experiential basis for the development and utilization of natural gas hydrate resources.It is natural with tundra
Gas hydrate exploitation is compared, and exploiting ocean natural gas hydrates face more challenges.
Wherein one of key challenge is exactly：The ocean gas hydrate preservation area depth of water is big, hydrate reservoir engineering parameter
Evaluation is difficult big.The construction risk as caused by engineering parameter error of quality appraisement will also be multiplied.These risks are mainly manifested in：
Field engineering geologic survey is depended on to the evaluation of hydrate reservoir superstratum engineering parameter, field engineering geologic survey is time-consuming
It is long, at high cost, undoubtedly increase cost of winning.It is at present still blank and to the evaluation of reservoir engineering geology parameters aspect.I
State's floor shortly before Gas Hydrate In Sea Areas pilot production for the first time carries out investigation to the engineering geology parameters of pilot production area superstratum, obtains
The data being of great rarity are also accumulated from the basic fundamental of deep-sea engineering geology parameters evaluation.But due to field engineering geology
Investigation fails to cover practical gas hydrates reservoir, and reports both at home and abroad without relevant research at present.Hydrate reservoir
The missing of engineering geology parameters is to reservoir estimation of stability, Container Rock Sanding process simulation and engineering geology wind in later period recovery process
Danger evaluation brings huge difficulty.
Static sounding is the main means for obtaining field engineering geologic parameter.But in fact, field engineering static sounding
With very strong " region dependence ".That is the engineering static sounding parameter of a-quadrant acquisition, due to by soil property, hole infiltration, local soil type part etc.
The influence of factor can not be directly diverted for simulating the reservoir engineering geology parameters for calculating B area.Therefore, even if China
The engineering geological survey for pilot production area is carried out in Gas Hydrate In Sea Areas pilot production for the first time, but these parameters completely can not
Applied to pilot production area next time.
For this purpose, there are following bottlenecks in terms of the quiet spy parameter evaluation of engineering containing hydrate sediment at present, it would be highly desirable to solve：
(1) field engineering geologic survey is time-consuming and laborious, and it is quiet to need to explore the new engineering that can reduce exploitation of gas hydrates cost
Visit parameter evaluation method；(2) field engineering geologic survey is not directed to gas hydrates reservoir and works, reservoir engineering parameter
Calculating depend on empirical equation, reliability needs further to be examined；(3) the quiet spy parameter region dependence of different regions engineering
By force, not general, it is badly in need of establishing dedicated for the quiet basic skills for visiting parameter evaluation of engineering containing hydrate sediment.
Utility model content
The purpose of this utility model is to provide a kind of quiet spy parameter simulation device of engineering containing hydrate sediment, the simulations
Device is a kind of device that can carry out the quiet spy parameter evaluation of reservoir engineering by simulated experiment indoors, can be different reservoir
Under the conditions of hydrate sediment engineering parameter computation model foundation provide basic data support, for establish dedicated for containing hydration
The quiet basic skills for visiting parameter evaluation of sediment engineering provides foundation.
To achieve the goals above, the utility model adopts the following technical solution：The quiet spy ginseng of engineering containing hydrate sediment
Number simulator, including hydrate reservoir simulation reaction kettle subsystem, gas supply subsystem, cooling subsystem, static sounding subsystem
System, Monitor And Control Subsystem and data acquisition subsystem；
The hydrate reservoir simulation reaction kettle subsystem includes reaction kettle, and the reaction kettle includes reaction kettle ontology, institute
It states reaction kettle ontology upper and lower ends and is respectively arranged with upper and lower end caps, liner is provided in the reaction kettle ontology, the liner
Both ends are tightly connected with upper and lower end caps respectively, and sealing annular space, institute are formed between reaction kettle inner body wall and inner bladder outer wall
It states upper and lower end to cover, the position of corresponding liner is respectively arranged with gas outlet, air inlet, deposits in the liner filled with saturation
Object, the annular space is interior to be full of nitrogen；Cooling tube is wound on the outer wall of the reaction kettle ontology；
The gas supply subsystem includes methane gas cylinder；
The cooling subsystem includes refrigeration machine and heat exchanger, and the refrigeration machine is for cold in circulating cooling heat exchanger
Matchmaker, methane in the methane gas cylinder by heat exchanger it is cooling after be passed into liner by air inlet, it is cold in the cooling tube
But liquid circulation carries out heat exchange with heat exchanger；
The static sounding subsystem includes injection module and measurement module, and the injection module includes injection motor, institute
It states and is provided with counter-force support frame on upper end cover, the injection motor is arranged on counter-force support frame；The measurement module includes quiet
Power feeler inspection probe, draw wire encoder and data collecting instrument, on the upper end cover, the position of corresponding liner is provided with through-hole, described
Feeler lever is provided in through-hole, the feeler lever can be slided up and down along through-hole, and cooperation, the static sounding are sealed between through-hole
Probe is mounted on the lower end of feeler lever, and the upper end of the feeler lever is connected with injection motor, and injection motor is able to drive feeler lever and transports up and down
It is dynamic；The ontology of the draw wire encoder is mounted on injection motor, and the tinsel of the draw wire encoder is connected on feeler lever；
The static sounding probe is electrically connected with data collecting instrument；
The Monitor And Control Subsystem includes monitoring module, temperature biography sensor, baroceptor and flow sensor, the temperature
Degree passes sensor and is separately positioned on the exit of heat exchanger refrigerant, the exit of methane gas heat exchanger, reaction kettle ontology it is upper,
At lower cover and reaction kettle body interior；Shape is arranged between reaction kettle inner body wall and inner bladder outer wall in the baroceptor
At in the sealing annular space and exit of methane gas heat exchanger；The exit of methane gas cylinder is arranged in the flow sensor；Institute
Temperature sensor, baroceptor and flow sensor is stated to be electrically connected with monitoring module respectively；
The data acquisition subsystem includes data acquisition computer, and the data acquisition computer is acquired with data respectively
Instrument, monitoring module and draw wire encoder electrical connection.
Further, the cooling tube is copper tube, the outer wall local welding of copper tube and reaction kettle ontology, the red copper
Pipe is outer to be covered with insulating layer, and external protection is covered with outside the insulating layer.
Further, upper end cover opening mechanism is connected on the upper end cover, the upper end cover opening mechanism is electronic spine
Wheel disc, the electronic ratchet cover plate are arranged on counter-force support frame.
Further, on the upper end cover, the position of corresponding annular space is laid with safety valve.
Further, the Monitor And Control Subsystem further includes circuit monitoring module, and the circuit monitoring module is each for monitoring
The power supply state of sensor, data acquisition subsystem and measurement module.
Further, in the through-hole of the upper end cover, and three-layer sealed ring is provided at feeler lever cooperation.
Further, the injection motor includes torque motor and planetary roller screw, and the one of the planetary roller screw
End is connect with the shaft of torque motor, and the other end is connect with movement briquetting, and the upper end of feeler lever is connect with movement briquetting.
Further, the hydrate reservoir simulation reaction kettle subsystem further includes the overturning branch for overturning reaction kettle
Frame.
Another of the utility model is designed to provide a kind of quiet spy parameter simulation method of engineering containing hydrate sediment,
Including：
S1. the vacuum saturation of static sounding probe：The static sounding probe that actual needs uses is taken, insertion probe vacuum is full
It is vacuumized with instrument, is saturated distilled water in pore pressure measured hole；
S2. fabricated in situ is saturated water sediment：Hydrate reservoir simulation reaction kettle subsystem is installed, and is filled into liner
It is saturated water sediment, makes to be saturated the space for retaining 20mm-30mm between water sediment and upper end cover, is slowly injected into reaction kettle
Methane simultaneously cools down, and simulation gas leaks process upwards and generates containing hydrate sediment；
S3. carry out the static sounding simulation containing hydrate sediment：Static sounding subsystem is connected, setting static sounding is visited
The injection rate of head starts injection motor, and static sounding probe is gradually pressed into hydrate sediment and records this mistake in real time
Probe tapered end resistance, side friction, pore pressure, resistivity and video image data in journey, it is real-time by draw wire encoder
Record the depth of penetration of probe；When depth of penetration of popping one's head in is apart from reaction kettle lower cover 2cm, stops injection, inverts injection motor,
Above mention static sounding probe；
S4. undrained shear strength containing hydrate sediment estimated according to tapered end resistance, side friction and pore pressure, seeped
The longitudinal distributing law of saturating coefficient, stress path calculates in locating layer position according to resistivity and contains hydrate concentration, establishes cone
End resistance, side friction, pore water pressure and then establish deposit not drain shearing resistance strong with the changing rule of hydrate concentration
Degree, infiltration coefficient, stress path with hydrate concentration change curve；Utilize the video image data during static sounding
Identify the static sounding damage -form containing hydrate sediment in the process.
The quiet spy parameter simulation device of the engineering containing hydrate sediment of the utility model, the simulator are that one kind can be
It is indoor that the quiet device for visiting parameter evaluation of reservoir engineering is carried out by simulated experiment, it can be deposited for hydrate under the conditions of different reservoir
The foundation of object engineering parameter computation model provides basic data support, to establish dedicated for the quiet spy of engineering containing hydrate sediment
The basic skills of parameter evaluation provides foundation.In addition to this, the device of the utility model also has below with regard to effect：
(1) from simulating lab test and the consistent angle of live deep-sea site operation, this programme uses static sounding
Probe can once obtain 5 test parameters：Static point resistance, side friction, pore water pressure, resistivity and hole camera shooting.Not only
Conventional efficient is improved, and non-for obtaining the mechanics parameter of longitudinal direction containing hydrate sediment heterogeneity, saturation degree simultaneously
Matter has very important meaning.Static point resistance, side friction and the pore pressure wherein measured can be realized and scene
Construction 1:1 engineering strength parameter calculates, and the resistance parameter measured can obtain practical full containing hydrate sediment
With degree vertical heterogeneity characteristic, therefore the parameter of engineering strength containing hydrate sediment and reservoir saturation degree heterogeneity can be realized
Corresponding research；
(2) device is using the main advantage of planet column lead screw：The structure phase of the planetary roller screw and ball-screw
Seemingly, difference is that planetary roller screw load transmission element is threaded rollers, is typical line contact；And ball-screw load passes
Passing element is ball, is point contact.Therefore the planet column lead screw that the present apparatus uses has numerous contact points to support load.Due to
In test there is the uncertainty of distribution in synthesis of natural gas hydrate, so the uncertainty for causing soil layer to be layered, local strength
May differ by it is larger, so the preferable line contact mechanism of shock resistance need to be selected.When quiet spy pops one's head in coning to more than in safety
In the soil layer of limit or because of reasons such as operating delays, when the cone top that causes to pop one's head in is to reaction kettle lower cover, protectiveness can occur for motor
Stalling stops promoting, prevents damage from popping one's head in；
(3) the quiet spy parameter simulation device of engineering containing hydrate sediment described in the utility model can simulate reality completely
Seabed generates in deposit containing temperature locating for hydrate sediment and pressure atmosphere, and by methane air source pressure intensity and contains day
Right gas hydrate deposit.This function and being used cooperatively for static sounding device are not directed in current all devices
's.
(4) external temperature influences the temperature of reaction kettle entirety in order to prevent, using the air heat synchronous with gas temperature control
Exchanger cools down to ethylene glycol, and gives reaction kettle entirety temperature control using the copper tube for being wrapped in reaction kettle periphery.Dual temperature control it
The lower simulation for guaranteeing actual reservoir temperature condition.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the device of the utility model；
Fig. 2 is the module connection diagram of the measurement part of the utility model；
Fig. 3 is that schematic diagram is made in the connection of the refrigerating part of the utility model；
In above-mentioned figure：1- reaction kettle ontology；2- liner；3- upper end cover；4- lower cover；5- cooling tube；6- injection motor；7-
Counter-force support frame；8- static sounding probe；9- feeler lever；10- draw wire encoder；The electronic ratchet cover plate of 11-；12- turnover bracket；13-
Move briquetting.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
The quiet spy parameter simulation device of the engineering containing hydrate sediment of the utility model, is mainly made of 6 parts, respectively
It is：Hydrate reservoir simulation reaction kettle subsystem, gas supply subsystem, cooling subsystem, static sounding subsystem, Monitor And Control Subsystem
And data acquisition subsystem.
Wherein, the hydrate reservoir simulation reaction kettle subsystem includes reaction kettle, and the reaction kettle includes reaction kettle sheet
Body 1, material are titanium alloy, and 1 upper and lower ends of reaction kettle ontology are respectively arranged with upper end cover 3 and lower cover 4, the reaction
Liner 2 is provided in kettle ontology 1, the both ends of the liner 2 are tightly connected with upper end cover 3 and lower cover 4 respectively, and are being reacted
It is formed between 2 outer wall of 1 inner wall of kettle ontology and liner and seals annular space, on the upper end cover 3 and lower cover 4, the position of corresponding liner 2
It is respectively arranged with gas outlet, air inlet, saturation deposit is filled in the liner 2, is full of nitrogen in the annular space；It is described anti-
It answers and is wound with cooling tube 5 on the outer wall of kettle ontology 1, the temperature controlled fluid in pipe is ethylene glycol.The cooling tube 5 is copper tube, purple
The outer wall local welding of copper pipe and reaction kettle ontology 1 increases thermal coefficient so that pipeline and reaction kettle are in close contact.Copper tube
It is covered with insulating layer outside, to stablize temperature in the kettle, insulating layer is mainly made of rock wool, there is the characteristic of fire-retardant heat preservation, insulating layer
Rock wool thickness is generally 50mm, and external protection is covered with outside insulating layer, and external protection uses thin stainless steel plate, is wrapped in outside rock wool
Side has many advantages, such as beauty, anti-corrosion, fire prevention.In addition, being connected with 3 opener of upper end cover, the upper end on the upper end cover 3
3 opener of lid is the electronic ratchet cover plate 11, and the electronic ratchet cover plate 11 is arranged on counter-force support frame 7.Electronic 11 energy of the ratchet cover plate
It is enough to firmly grasp reaction kettle upper end cover 3 automatically, pass through counter-force support frame 7 and applies pulling force, open upper end lid 3.The hydrate reservoir mould
Quasi- reaction kettle subsystem further includes the turnover bracket 12 for overturning reaction kettle, when facilitating off-test, is toppled over inside reaction kettle
Deposit.
The gas supply subsystem includes methane gas cylinder, for holding methane gas.
The cooling subsystem includes refrigeration machine and heat exchanger, and the refrigeration machine is for cold in circulating cooling heat exchanger
Matchmaker, wherein heat exchanger is gas heat-exchanger, and refrigeration machine is low temperature water chiller.Methane in the methane gas cylinder is by changing
It is passed into liner 2 after hot device is cooling by air inlet.Coolant liquid circulation in the cooling tube 5 carries out heat exchange with heat exchanger.
The Monitor And Control Subsystem includes monitoring module, temperature sensor, baroceptor, flow sensor and circuit monitoring
Module.
The temperature passes the exit that heat exchanger refrigerant is arranged in sensor, for measuring the refrigerant flowed out in heat exchanger
Temperature；The exit of methane gas heat exchanger is set, for measuring the temperature of the methane gas after exchanging heat；Temperature passes sensor
It also sets up at the upper end cover 3 and lower cover 4 of reaction kettle ontology 1 and inside reaction kettle ontology 1, under normal circumstances, in reaction kettle
Two temperature sensors are arranged in two different locations inside ontology 1, detect the different location inside reaction kettle ontology 1 respectively,
And the temperature at upper end cover 3 and lower cover 44.
Baroceptor, which is arranged between 2 outer wall of 1 inner wall of reaction kettle ontology and liner, to be formed in sealing annular space, for detecting
Gas pressure intensity in annular space can be set specifically when setting in the inside of upper end cover 3；On upper end cover 3, the position of corresponding annular space
It is laid with safety valve, when baroceptor detects that the pressure abnormity in annular space is increased to specified value (30MPa), safety valve is certainly
Dynamic to open, then full dose is discharged, and when pressure reduction is to specified value, safety valve is automatically closed, and guarantees the safe operation of reaction kettle；
Baroceptor is additionally arranged at the exit of methane gas heat exchanger, for detecting the pressure for entering the methane gas inside liner 2
By force.
The exit of methane gas cylinder is arranged in the flow detection sensor, for detecting the methane gas entered in liner 2
The amount of body.
The circuit monitoring module is used to monitor the power supply state of each sensor, data acquisition subsystem and measurement module.
The temperature passes detection sensor, pressure detection sensor, flow detection sensor and circuit monitoring module difference
It is electrically connected with monitoring module.
Wherein, the static sounding subsystem includes injection module and measurement module, and the injection module includes injection electricity
Machine 6, counter-force support frame 7 is provided on the upper end cover 3, and the injection motor 6 is arranged on counter-force support frame 7；Injection motor 6
The movement that feeler lever 9 is promoted and recycled into kettle is executed, counter-force support frame 7 is responsible for injection motor 6 and reaction kettle is relatively fixed.
Injection motor 6 by torque motor and planetary roller screw with being combined into, one end of the planetary roller screw and torque motor
Shaft connection, the other end are connected with a movement briquetting 13.Torque motor has folding properties, and identical tension rotation may be implemented, permanent
Tension rotation can effectively realize the protection to static sounding probe 8.Planetary roller screw keeps load rapid by numerous contact points
Release, so as to there is higher impact resistance.The parameter of injection motor 6：The penetrating power 5kN in 10MPa, injection power are 750W
Motor.
The measurement module includes static sounding probe 8, draw wire encoder 10 and data collecting instrument, on the upper end cover 3,
The position of corresponding liner 2 is provided with through-hole, and feeler lever 9 is provided in the through-hole, and the feeler lever 9 can be slided up and down along through-hole,
And cooperation is sealed between through-hole, guarantee reaction kettle with three-layer sealed ring is designed at 9 cooperation of feeler lever when execution injection acts
Overall tightness prevents leakage from leading to drop of pressure.The static sounding probe 8 is mounted on the lower end of feeler lever 9, the feeler lever 9
Upper end be connected with injection motor 6, injection motor 6 is able to drive the up and down motion of feeler lever 9, the specifically lower end of planetary roller screw
It is connect with movement briquetting 13, the upper end of feeler lever 9 is connect with movement briquetting 13.Static sounding probe 8 be in the prior art very at
Ripe probe, in the present invention, 8 pressure resistance 30MPa of static sounding probe, at it into process of press in containing hydrate sediment
The quiet spy parameter of following engineering can be measured simultaneously：Static point resistance (0~10MPa of measurement range, measuring accuracy 0.5%), side friction
(0~1MPa, measuring accuracy 0.5%), pore water pressure (0~20MPa, measuring accuracy 0.5%), resistivity (range 0~5000
Ω m, measuring accuracy 0.5%) and injection path image (100W pixel) data.Feeler lever 9 is by surface by the double of specially treated
Phase stainless steel tube is made, good with reaction kettle leakproofness, can keep good sealing effectiveness under the pressure status of 30MPa.
The ontology of the draw wire encoder 10 is mounted on injection motor 6, and the tinsel of the draw wire encoder 10 connects
It connects on feeler lever 9；When being pressed into reaction kettle under the action of static sounding probe 8 is in feeler lever 9, draw wire encoder 10 is driven
Tinsel synchronizing moving to obtain the depth of penetration of probe, and can obtain the penetrating speed of probe indirectly.Bracing wire coding is deep
Degree is the self registering basis of static sounding, and the foundation of adjustment penetrating speed.The static sounding probe 8 is adopted with data
Collect instrument electrical connection.
The data acquisition subsystem includes data acquisition computer, and the data acquisition computer is acquired with data respectively
Instrument and monitoring module electrical connection.It is provided on the data acquisition computer and refers to static sounding acquisition software, it can be in main interface
Monitor the acquisitions of parameters such as static point resistance, side friction, pore pressure, the resistivity value during quiet spy and in the automatic note in backstage
Record.Data collected can be exported, can be acquired in real time, can provide artificial correction interface in software interface real-time display.
Embodiment 2
The quiet spy parameter simulation device of engineering containing hydrate sediment in corresponding embodiment 1, embodiment 2 provide a kind of aqueous
The quiet spy parameter simulation method of sediment engineering is closed, including：
S1. the vacuum saturation of static sounding probe 8；The specific steps are, the static sounding probe 8 for taking actual needs to use,
Insertion probe vacuum saturation instrument vacuumizes, and is saturated distilled water in pore pressure measured hole.
The step is mainly the pore water pressure conduction cabin progress vacuum degassing popped one's head in pore pressure feeler inspection, and with pilot liquid
Filling saturation, to reduce the influence that air detects pore water pressure.Wherein probe vacuum saturation instrument design parameter be, most
Big vacuum degree：-0.1MPa；It is adapted to probe type：2cm2、5cm2、10cm2、15cm2Pore pressure probe；Rated power：80W.
S2. fabricated in situ is saturated water sediment：Hydrate reservoir simulation reaction kettle subsystem is installed, and is filled out into liner 2
Saturation water sediment is filled, makes to be saturated the space for retaining 20mm~30mm between water sediment and upper end cover 3, slowly into reaction kettle
Injection methane simultaneously cools down, and simulation gas leaks process upwards and generates containing hydrate sediment；
In this operating procedure, guarantee that height of the saturation water sediment in reaction kettle is less than the actually active height of reaction kettle
Degree guarantees that saturation water sediment top has the space of 20mm~30mm always, and the presence in this space is for simulating true seabed
Depositional environment containing hydrate is most important：A part of water can be discharged in saturation water sediment during gas leaks upwards, this portion
Water is divided to be deposited on the space between 3 inner wall of deposit and reaction kettle upper end cover, extra water is discharged reaction kettle.In this way,
The practical seawater of stress simulation to be applied with this part moisture film to deposit upper end overcomes conventional force to the pressure of bottom sediment
Learn experiment in using hard metal directly to deposit end face pressurize when, can not accurate simulation seawater to deposit stress apply feelings
The defect of condition.
S3. carry out the static sounding simulation containing hydrate sediment：Static sounding subsystem is connected, setting static sounding is visited
First 8 injection rate is traditionally arranged to be 2mm/s, starts injection motor 6, static sounding is gradually pressed into hydrate sediment
Probe 8 simultaneously records probe tapered end resistance, side friction, pore pressure, resistivity and video image data during this in real time,
Pass through the depth of penetration that record is popped one's head in real time of draw wire encoder 10.When depth of penetration of popping one's head in is apart from reaction kettle lower cover 42cm,
Stop injection, inverts injection motor 6, above mention static sounding probe 8.
S4. undrained shear strength containing hydrate sediment estimated according to tapered end resistance, side friction and pore pressure, seeped
The longitudinal distributing law of the parameters such as saturating coefficient, stress path is calculated in locating layer position with the resistivity that measurement obtains and contains hydration
Object saturation degree establishes the engineerings static sounding data such as tapered end resistance, side friction, pore water pressure with the change of hydrate concentration
Law, and then the engineering parameters such as deposit undrained shear strength, infiltration coefficient, stress path are established with hydrate concentration
Change curve.Using the video image data identification static sounding during static sounding in the process containing hydrate sediment
Damage -form.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (8)
1. the quiet spy parameter simulation device of engineering containing hydrate sediment, which is characterized in that including hydrate reservoir simulation reaction kettle
Subsystem, gas supply subsystem, cooling subsystem, static sounding subsystem, Monitor And Control Subsystem and data acquisition subsystem；
The hydrate reservoir simulation reaction kettle subsystem includes reaction kettle, and the reaction kettle includes reaction kettle ontology, described anti-
It answers kettle ontology upper and lower ends to be respectively arranged with upper and lower end caps, liner, the both ends of the liner is provided in the reaction kettle ontology
It is tightly connected respectively with upper and lower end caps, and forms sealing annular space between reaction kettle inner body wall and inner bladder outer wall, it is described
Upper and lower end covers, and the position of corresponding liner is respectively arranged with gas outlet, air inlet, and saturation deposit is filled in the liner,
Nitrogen is full of in the annular space；Cooling tube is wound on the outer wall of the reaction kettle ontology；
The gas supply subsystem includes methane gas cylinder；
The cooling subsystem includes refrigeration machine and heat exchanger, and the refrigeration machine is for the refrigerant in circulating cooling heat exchanger, institute
The methane in methane gas cylinder is stated by being passed into liner after heat exchanger cooling by air inlet, the coolant liquid in the cooling tube is followed
Ring and heat exchanger carry out heat exchange；
The static sounding subsystem includes injection module and measurement module, and the injection module includes injection motor, it is described on
Counter-force support frame is provided on end cap, the injection motor is arranged on counter-force support frame；The measurement module includes static(al) touching
Probe, draw wire encoder and data collecting instrument, on the upper end cover, the position of corresponding liner is provided with through-hole, the through-hole
It is inside provided with feeler lever, the feeler lever can be slided up and down along through-hole, and cooperation, the static sounding probe are sealed between through-hole
It is mounted on the lower end of feeler lever, the upper end of the feeler lever is connected with injection motor, and injection motor is able to drive feeler lever up and down motion；Institute
The ontology for stating draw wire encoder is mounted on injection motor, and the tinsel of the draw wire encoder is connected on feeler lever；It is described
Static sounding probe is electrically connected with data collecting instrument；
The Monitor And Control Subsystem includes that monitoring module, temperature biography sensor, baroceptor and flow sensor, the temperature pass
Sensor is separately positioned on the exit of heat exchanger refrigerant, the exit of methane gas heat exchanger, the upper and lower end of reaction kettle ontology
At lid and reaction kettle body interior；The baroceptor setting forms close between reaction kettle inner body wall and inner bladder outer wall
In seal ring the is empty and exit of methane gas heat exchanger；The exit of methane gas cylinder is arranged in the flow sensor；The temperature
Degree sensor, baroceptor and flow sensor are electrically connected with monitoring module respectively；
The data acquisition subsystem includes data acquisition computer, the data acquisition computer respectively with data collecting instrument,
Monitoring module and draw wire encoder electrical connection.
2. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：It is described cold
But managing is copper tube, the outer wall local welding of copper tube and reaction kettle ontology, is covered with insulating layer, the guarantor outside the copper tube
External protection is covered with outside warm layer.
3. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：On described
Upper end cover opening mechanism is connected on end cap, the upper end cover opening mechanism is the electronic ratchet cover plate, the electronic ratchet cover plate setting
On counter-force support frame.
4. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：On described
On end cap, the position of corresponding annular space is laid with safety valve.
5. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：The prison
Control subsystem further include circuit monitoring module, the circuit monitoring module for monitor each sensor, data acquisition subsystem and
The power supply state of measurement module.
6. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：On described
In the through-hole of end cap, and three-layer sealed ring is provided at feeler lever cooperation.
7. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：It is described to pass through
Entering motor includes torque motor and planetary roller screw, and one end of the planetary roller screw and the shaft of torque motor connect,
The other end is connect with movement briquetting, and the upper end of feeler lever is connect with movement briquetting.
8. the quiet spy parameter simulation device of engineering containing hydrate sediment according to claim 1, it is characterised in that：The water
Closing object reservoir simulation reaction kettle subsystem further includes the turnover bracket for overturning reaction kettle.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445189A (en) * | 2018-04-27 | 2018-08-24 | 青岛海洋地质研究所 | The quiet spy parameter simulation device of engineering containing hydrate sediment and method |
| CN112858018A (en) * | 2021-01-08 | 2021-05-28 | 青岛海洋地质研究所 | Device and method for testing lateral pressure creep of hydrate-containing sediment |
| CN113323633A (en) * | 2021-06-28 | 2021-08-31 | 西南石油大学 | Ocean natural gas hydrate in-situ formation and integrated exploitation simulation device |
| CN114965959A (en) * | 2022-05-26 | 2022-08-30 | 大连理工大学宁波研究院 | Static sounding calibration tank device for pressure-maintaining sediment online detection |
-
2018
- 2018-04-27 CN CN201820618068.XU patent/CN208125729U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445189A (en) * | 2018-04-27 | 2018-08-24 | 青岛海洋地质研究所 | The quiet spy parameter simulation device of engineering containing hydrate sediment and method |
| CN108445189B (en) * | 2018-04-27 | 2023-10-31 | 青岛海洋地质研究所 | Device and method for simulating static detection parameters of hydrate-containing sediment engineering |
| CN112858018A (en) * | 2021-01-08 | 2021-05-28 | 青岛海洋地质研究所 | Device and method for testing lateral pressure creep of hydrate-containing sediment |
| CN113323633A (en) * | 2021-06-28 | 2021-08-31 | 西南石油大学 | Ocean natural gas hydrate in-situ formation and integrated exploitation simulation device |
| CN114965959A (en) * | 2022-05-26 | 2022-08-30 | 大连理工大学宁波研究院 | Static sounding calibration tank device for pressure-maintaining sediment online detection |
| CN114965959B (en) * | 2022-05-26 | 2023-06-23 | 大连理工大学宁波研究院 | Static sounding calibration tank device for pressure maintaining sediment online detection |
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