CN106092772B - A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method - Google Patents
A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method Download PDFInfo
- Publication number
- CN106092772B CN106092772B CN201610402927.7A CN201610402927A CN106092772B CN 106092772 B CN106092772 B CN 106092772B CN 201610402927 A CN201610402927 A CN 201610402927A CN 106092772 B CN106092772 B CN 106092772B
- Authority
- CN
- China
- Prior art keywords
- rock core
- pressure
- transfer device
- axis mounting
- leading screw
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Abstract
A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method belong to gas hydrates Basic Physical Properties field of measuring technique.The device includes rock core transfer device, three-axis mounting host, confining pressure and hole pressure control system, computer data acquiring and control system.First using the device, rock core is transferred to rock core transfer device by sample storage device；Second, rock core transfer device is docked and is locked with three-axis mounting host；Third pressurize rock core moves into triaxial cell by rock core transfer device, removes the original plastic sleeve of rock core, and rock core wears rubber membrane.Hydrate pressurize rock core transfer process whole process needs pressure control and action control.The apparatus system realizes the transfer of hydrate pressurize rock core and realizes deposit ionization meter under the original cement structure condition of hydrate and consolidation condition, it is hereby achieved that the mechanical characteristic of actual reservoir, has meaning of crucial importance to disclosing hydrate reservoir failure mechanism and evaluation exploitation of gas hydrates geologic risk.
Description
Technical field
The invention belongs to gas hydrates Basic Physical Properties field of measuring technique, are related to a kind of gas hydrates core sample
Pressurize transfer type three-axis mounting and method.
Background technology
Gas hydrates when its reserves is huge and burning cleanliness without any pollution due to by many researchers be regarded to replace
Become the energy of a new generation for conventional fossil fuels such as coal, oil and be distributed widely in continent outer edge and permafrost band, entirely
There are about the potential regions that the ocean waters on 27% land and 90% is there are gas hydrates for ball, it is estimated that global natural gas
The content of methane is about 1.8 × 10 in hydrate16m3, it is equivalent to and has currently verified fossil fuel (coal, oil and natural gas) always
Twice of phosphorus content；In addition, natural gas is a kind of clear energy sources, compared with coal and oil, the amount of carbon dioxide for generation of burning is more
It is few, and not will produce such as sulfur dioxide pernicious gas, therefore many researchers think that gas hydrates can substitute coal, stone
The conventional fossil fuels such as oil become the energy of a new generation, are expected to alleviate global energy crisis.Natural gas hydrate exploration with open
During adopting, decomposition of hydrate can influence the structural stability of reservoir, and with the extension of decomposition region in recovery process, can
The geological disasters such as stratum deformation, submarine landslide can be induced, in turn result in the infrastructure such as drilling equipment, submarine pipeline damage and
Life and property loss.Mode as how efficiently, safe taps natural gas from sea bed gas hydrate sedimentary, both meets
Environmental requirement, and the geological disasters such as submarine landslide will not be caused, need the mechanics for furtheing investigate natural gas hydrate deposit special
Property.
Domestic and foreign scholars are understood by live log data and laboratory acoustic measurement, triaxial compressions, resonant column test
Etc. means obtain the relevant mechanical property of hydrate sediment, it is found that the formation of hydrate can change the mechanical property of deposit
Matter, the degree changed simultaneously are influenced by factors such as hydrate concentration, distribution, sediment properties, cementations.However,
Existing triaxial apparatus domestic at present only can carry out mechanical test in laboratory for gas hydrates artificial rock core, and for
Experiment condition requires relatively high；There has been no directly can carry out mechanical characteristic to gas hydrates pressurize core sample to grind for the country
The experimental rig studied carefully can not obtain the shear strength of ocean gas hydrate home state rock core, and body becomes, permeability, creep
Each item data such as intensity.
Invention content
The present invention in order to solve the problems existing in the prior art, provides a kind of gas hydrates core sample pressurize transfer
Formula three-axis mounting and method.The device can carry out experiment of machanics under the original storing state of gas hydrates rock core, to original
There is deposit ionization meter under skeleton structure condition and consolidation condition.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of gas hydrates core sample pressurize transfer type three-axis mounting, including rock core transfer device, three-axis mounting
Host, confining pressure and hole pressure control system, computer data acquiring and control system.
The rock core transfer device includes inner cavity 29, thread lead screw, perimeter column, pulley 21；Wherein, 29 inside of inner cavity is
Cylindrical structure is made of connector 12, ball valve 15, sealing device 17, pipe interface D, inner cavity 29 and three-axis mounting host
Pedestal 31 is connected by connector 12；Ball valve 15 is for sealing 29 upper end of inner cavity, and sealing device 17 is for sealing 29 lower end of inner cavity
With the connector of leading screw 16；Pipe interface D with plunger pump for being connected, for providing inner cavity 29 pressure；Thread lead screw is by leading screw
16, leading screw servo drive system 19, support device 30 and push-down head 22 form, and leading screw servo drive system 19 is provided on leading screw 6
Under power realize rock core 10 transfer；Support device 30 realizes the balance that leading screw 16 moves up and down；22 top of push-down head is arranged
For placing permeable stone 7, the lower part of push-down head 22 is connect push-down head permeable stone groove with leading screw 16, and T is arranged in 22 inside of push-down head
Type pipeline 9, T-type pipeline provide rock core bottom pore pressure for being connected with 31 internal duct of pedestal；Perimeter column and lower part branch
Frame 24 is connected；Pulley 21 is used for the movement of entire rock core transfer device；
The three-axis mounting host includes main machine frame, semi-enclosed balancing gate pit, axis pressure device；Main machine frame is by top branch
Frame 3 and lower bracket 24 form, and upper and lower part holder is fixed by bolts connection；The upper end center of the upper bracket 3 is equipped with logical
Hole, diameter are corresponding with piston 4；Lower bracket 24 is made of cuboid column and transfer device fixing screws 18, and transfer device is solid
Determine screw 18 to be used for fixing rock core transfer device with cuboid posts bottom slideway 20；Semi-enclosed balancing gate pit includes that balancing gate pit carries
Rise device 13, pressure chamber cylinder 5, pedestal 31；Pipe interface E is arranged in 5 upper end of pressure chamber cylinder, and interface E is connect with plunger pump provides pressure
Power room 5 confining pressures of cylinder；5 top of pressure chamber cylinder is sealed with piston 4 by balancing gate pit's sealing ring 2；Balancing gate pit's lifting device 13 provides pressure
Power needed for 5 movement of power room cylinder；It is three sections that pedestal 31, which divides,：Pedestal epimere is that cyclic annular and lateral surface is equipped with groove 23, is fixed on
Pressure head lateral grooves are with the rubber membrane 8 on pedestal epimere lateral surface groove 23 for wrapping up rock core；The setting of pedestal stage casing is cylindrical
Channel, channel bottom diameter is identical as 15 upper end outlet internal diameter of ball valve, and pedestal stage casing is press-offed at shell ring point 11, and channel internal diameter is small
It is more than rock core outer diameter in rock core outer ring plastic sleeve outer diameter, for removing rock core outer ring plastic sleeve；Pedestal stage casing side is set
Pipe interface A connecting line interface B and plunger pump are set, interconnected pipe interface C and technique is arranged in the bottom in pedestal stage casing
Hole；When seaming chuck bottom permeable stone 7 is contacted with rock core 10, pipe interface C is aligned with the T-type pipeline 9 of push-down head, passes through fabrication hole
Pipeline sealing screw 14 be docked and connected and seal with push-down head T-type pipeline 9, for maintaining rock core lower part pore pressure；Pedestal
Hypomere is connected with the connector 12 of rock core transfer device, and semi-enclosed balancing gate pit and the inner cavity of rock core transfer device are formed one
Seal complete balancing gate pit's cavity；
The axis pressure device includes small-sized hydraulic oil cylinder 1, piston 4, seaming chuck 6, small-sized hydraulic oil cylinder 1 drive piston 4 to
Lower movement generates axially loaded power；The top of seaming chuck (6) is connect with piston (4)；The inside of seaming chuck 6 setting pipe interface B with
Pipe interface A is connected to maintain rock core upper end pore pressure；Seaming chuck permeable stone groove is arranged in 6 lower part of seaming chuck, for putting
Set permeable stone 7.
The confining pressure and hole pressure control system include plunger pump, flexible duct and needle-valve, plunger pump by flexible duct and
Needle-valve is connected with pipe interface A, B, C, D, E respectively, provides hydraulic pressure water needed for entire experiment process to maintain confining pressure and hole
Pressure.
The computer data acquiring is with control system by computer, signal wire, temperature sensor, pressure transmitter, position
Displacement sensor forms, and the computer processing data and signal, the temperature, pressure, displacement sensor convert corresponding signal
It is sent to computer for electric signal.
Using above-mentioned gas hydrates core sample pressurize transfer type three-axis mounting, the step of use, is as follows：
Rock core is transferred to rock core transfer device by the first step from sample storage device；
Ball valve 15 is docked with sample storage device ball valve sealing, is tieed up with sample storage device ball valve by pilot plunger pump, needle-valve, ball valve 15
Hold the pore pressure of rock core 10；Pressure combination adjusting screw 16 by controlling rock core top and bottom realizes turning for rock core 10
It moves；
Second step, the pretreatment of three-axis mounting host；
8 both ends of rubber membrane are separately fixed in pedestal upper end side face groove 23 and seaming chuck lateral grooves, by rubber membrane
Surround cylindrical space；
Third walks, and rock core transfer device is fixedly connected with three-axis mounting host；
Rock core transfer device enters the slideway 20 of three-axis mounting host lower bracket 24 by the pulley 21 of bottom, along slideway
20 movement rock core transfer devices, are positioned with transfer device fixing screws 18 and lock rock core transfer device；
Rock core is transferred to three-axis mounting host by the 4th step from rock core transfer device；
The sealing of rock core transfer device connector 12 and three-axis mounting main machine base 31 is docked, by pilot plunger pump, needle-valve,
Ball valve 15 maintains the pore pressure and confining pressure of rock core 10；The transfer of realization rock core 10 is moved upwards by controlling leading screw 16；
5th step deviates from core shell cylinder；
Control leading screw 16 moves upwards the shell ring point 11 of press-offing for driving rock core to slow transit through pedestal 31, removes plastic sleeve；
Rock core pore water, gas are connected to and are sealed by the 6th step；
Control leading screw 16 drives rock core 10 to move upwards, into the cylindrical space surrounded by rubber membrane 8, rubber membrane
8 are sleeved on around rock core 10；Pipeline sealing screw 14 and T-type pipeline 9 are tightly connected.
The beneficial effects of the invention are as follows：
The present invention relates to a kind of gas hydrates core sample pressurize transfer type three-axis mountings and operating method to realize
The quick positioning and locking of rock core transfer device, piston and leading screw accurately control, and the removing of core shell cylinder, rock core shifted
Rubber membrane is inserted in journey, and the connection and sealing of rock core pore water, gas reached gas hydrates rock core in original storage shape
The purpose of experiment of machanics is carried out under state.
1) direct the docking of gas hydrates triaxial apparatus and rock core fidelity sample storage device is realized, and rock core pressurize is shifted
To triaxial apparatus pressure chamber；Hydrate rock core in triaxial apparatus pressure chamber maintains the cementing status under original storing state, and
Triaxial test is carried out under this state, gained threeaxis test results can truly reflect gas hydrates reservoir intensity and deformation,
It is of great significance to disclosing hydrate reservoir failure mechanism and evaluation exploitation of gas hydrates geologic risk.
2) high-strength material and light-weight design are used, keeps gas hydrates triaxial apparatus host and rock core transfer device whole
Weight reduces, easy to remove and boat-carrying；Field test can be achieved, reduce fidelity sample long distance transportation cost.
Description of the drawings
Fig. 1 is a kind of live sea bed gas hydrate rock core dynamic characteristic test apparatus system diagram of exploitation.
Fig. 2 is rock core transfer device and the system diagram of sample storage device.(sample storage device is to be not belonging to the present apparatus shown in dotted line, is only used
Carry out lecture experiment process)
Fig. 3 is semi-enclosed balancing gate pit and rock core attachment device system diagram.
In figure：1 small-sized hydraulic oil cylinder；2 balancing gate pit's sealing rings；3 upper brackets；4 pistons；5 pressure chamber cylinders；6 seaming chucks；7
Permeable stone；8 rubber membranes；9T type pipelines；10 rock cores；11 press-off a barrel node；12 connectors；13 balancing gate pit's lifting devices；14 pipelines
Sealing screw；15 ball valves；16 leading screws；17 sealing devices；18 transfer device fixing screws；19 leading screw servo drive systems；20 slide
Road；21 pulleys；22 push-down heads；23 pedestal upper recess；24 lower brackets；25 first plunger pumps；26 second plunger pumps；27 thirds
Plunger pump；28a needle-valves a；28b needle-valves b；28c needle-valves c；28d needle-valves d；29 inner cavities；30 support devices；31 pedestals；32 pipelines connect
Mouth A；33 pipe interface B；34 pipe interface C；35 pipe interface D；36 pipe interface E.
Specific implementation mode
A kind of live sea bed gas hydrate rock core dynamic characteristic test apparatus system of exploitation, as shown in Figure 1, 2, 3,
The course of work is：In guarantee rock core in the state of maintaining pore pressure, opening and closing and leading screw of the rock core transfer device by ball valve
Up and down motion, be transferred in triaxial apparatus pressure chamber from sample storage device；Three-axis mounting host provides whole triaxial apparatus framework and is pressing
The shearing of rock core is realized in power room；Confining pressure and hole pressure control system are mainly used for the confining pressure during rock core transfer and triaxial compressions
And pore pressure control；Computer data acquiring is with control system for detection datas such as collecting temperature, pressure and displacements.
The operating process of gas hydrates core sample pressurize transfer type three-axis mounting is specifically described below：
1) the rock core transfer course of work 1 (rock core is transferred to rock core transfer device from sample storage device)：Permeable stone 7 is installed first
In push-down head permeable stone groove at the top of push-down head, it is then shut off ball valve 15, mobile rock core transfer device passes through connector 12
Rock core transfer device is connected to sample storage device, waits for that connection with after the completion of sealing, opens ball valve 15 and needle-valve a, utilizes the first plunger
Pump 25 is injected hydraulic pressure water by pipe interface D provides pressure inside rock core transfer device；Inside rock core transfer device
When pressure is consistent with sample storage device internal pressure, sample storage device ball valve is opened, it is dynamic to provide leading screw 16 using leading screw servo drive system 19
Power, control leading screw 16 (leading screw diameter and the general size of core diameter) are advanced slowly, and push-down head contacts rock core 10 simultaneously at the top of leading screw
Rock core 10 is brought back to inside rock core transfer device, the ball valve of the ball valve 15 and sample storage device of rock core transfer device is then shut off, is closed
Pipe interface D and needle-valve a are closed, the connecting line of pipe interface D and needle-valve a are simultaneously switched off；It is just protected by above-mentioned steps rock core
Pressure is transferred to inside rock core transfer device.
2) the rock core transfer course of work 2 (three-axis mounting host controls in advance)：Small-sized hydraulic oil cylinder 1 is controlled with piston 4
It is moved downward by balancing gate pit's sealing ring 2, designated position is reached by the control piston 4 that accurately controls of displacement sensor, it will be permeable
Stone 7 is put into the seaming chuck permeable stone groove of the seaming chuck bottom of 4 lower part of piston, while rubber membrane 8 being fixed in seaming chuck
Land in grooves on two sides and pedestal upper end grooves on two sides 23, after the completion of the above process and balancing gate pit and connect sealing with pedestal.
3) the rock core transfer course of work 3 (rock core is transferred to three-axis mounting host from rock core transfer device)：Rock core is shifted
Device enters 24 track of host lower bracket by slideway 20, and is docked and sealed with pedestal by connector 12, at this time
It is fixed by transfer device fixing screws 18, then connecting line interface D and needle-valve a, opens simultaneously needle-valve d, utilize hydraulic pump
First plunger pump 25 hydraulic pressure water into three-axis mounting balancing gate pit injected by pipe interface E come provide with inside rock core transfer device
Equivalent confining pressure；Pipe interface D and needle-valve a is opened after confined pressure steady inside balancing gate pit, and three are maintained by the first plunger pump 25
Shaft device balancing gate pit inside and rock core transfer device pressure；Then ball valve 15 is opened, rock is worked as in the slowly movement upwards of control leading screw 16
The heart by press-off barrel node 11 when, since leading screw exterior space radial dimension becomes smaller, 10 outer sleeve of rock core can be removed；Control
Leading screw 16 continues that rock core 10 is driven to move upwards, and slows when across 31 lower end of pedestal, is accurately controlled using displacement sensor
Leading screw 16 moves, and slowly rock core 10 is inserted in advance fixed rubber membrane 8,8 quilt of rubber membrane moved upwards with rock core
Stretch and be tightly sleeved on around rock core 10, when leading screw 16 moves to designated position, seaming chuck bottom permeable stone 7 just with rock core
10 contacts, while pipe interface C is just aligned with push-down head T-type pipeline 9；14 control piper interface of pipeline sealing screw just with
Push-down head T-type pipeline 9 is docked and connected and seals, and opens simultaneously needle-valve b, needle-valve c, and pipe interface A, B, C utilize the second plunger pump
26 control rock core pore pressure with third plunger pump 27；It is just obtained into above step rock core is crossed from rock core transfer device by success pressurize
It is transferred to inside three-axis mounting balancing gate pit.
4) rock core shear history：Shearing rock core 10 is moved downward with piston 4 using small-sized hydraulic oil cylinder 1, passes through first
The movement of plunger pump 25 keeps pressure chamber internal pressure and rock core transfer device inner pressure constant, while utilizing the second plunger pump
26 with 10 pore pressure of motion control rock core of third plunger pump 27.
5) computer data acquiring and the control system course of work：Temperature sensor, pressure transmitter collect constant temperature
Bath temperature degree and each line pressure signal, displacement sensor acquires leading screw and 4 moving displacement information of piston, while all information transmit
It records and preserves in computer.
Claims (5)
1. a kind of gas hydrates core sample pressurize transfer type three-axis mounting, it is characterised in that：Including rock core transfer device,
Three-axis mounting host, confining pressure and hole pressure control system, computer data acquiring and control system；
The rock core transfer device includes inner cavity (29), thread lead screw, perimeter column, pulley (21)；Wherein, inner cavity (29) are internal
It for cylindrical structure, is made of connector (12), ball valve (15), sealing device (17), pipe interface D, inner cavity (29) and three axis
The pedestal (31) of device host is connected by connector (12)；Ball valve (15) is for sealing inner cavity (29) upper end, sealing device
(17) it is used to seal the connector of inner cavity (29) lower end and leading screw (16)；Pipe interface D with plunger pump for being connected, for providing
Inner cavity (29) pressure；Thread lead screw is by leading screw (16), leading screw servo drive system (19), support device (30) and push-down head (22)
Composition, leading screw servo drive system (19) provide the transfer that the power of leading screw (16) up and down realizes rock core (10)；Support device
(30) balance that leading screw (16) moves up and down is realized；Push-down head (22) top setting push-down head permeable stone groove is permeable for placing
The lower part of stone (7), push-down head (22) is connect with leading screw (16), and setting T-type pipeline (9), T-type pipeline are used for inside push-down head (22)
It is connected with pedestal (31) internal duct and rock core bottom pore pressure is provided；Perimeter column is connected with lower bracket (24)；Pulley
(21) it is used for the movement of entire rock core transfer device；
The three-axis mounting host includes main machine frame, semi-enclosed balancing gate pit, axis pressure device；Main machine frame is by upper bracket
(3) and lower bracket (24) composition, upper and lower part holder are fixed by bolts connection；The upper end center of the upper bracket (3) is set
There are through-hole, diameter corresponding with piston (4)；Lower bracket (24) is made of cuboid column and transfer device fixing screws (18),
Transfer device fixing screws (18) are used for fixing rock core transfer device with cuboid posts bottom slideway (20)；Semi-enclosed pressure
Room includes balancing gate pit's lifting device (13), pressure chamber cylinder (5), pedestal (31)；Pipe interface E is arranged in pressure chamber cylinder (5) upper end, connects
Mouth E is connect with plunger pump provides pressure chamber cylinder (5) confining pressure；Pressure chamber cylinder (5) top passes through balancing gate pit's sealing ring with piston (4)
(2) it seals；Balancing gate pit's lifting device (13) provides pressure chamber cylinder (5) and moves required power；Pedestal (31) is divided into three sections：On pedestal
Section is equipped with groove (23) for cyclic annular and lateral surface, is fixed on seaming chuck lateral grooves and pedestal epimere lateral surface groove (23)
Rubber membrane (8) is for wrapping up rock core；Pedestal stage casing is arranged cylindrical channel, in channel bottom diameter and ball valve (15) upper end outlet
Diameter is identical, and pedestal stage casing is press-offed at shell ring point (11), and channel internal diameter is is more than rock core less than rock core outer ring plastic sleeve outer diameter
Outer diameter, for removing rock core outer ring plastic sleeve；Pipe interface A connecting line interface B and plunger pump is arranged in pedestal stage casing side,
The pipe interface C and fabrication hole that the bottom setting in pedestal stage casing is interconnected；Seaming chuck bottom permeable stone (7) connects with rock core (10)
When touching, pipe interface C is aligned with the T-type pipeline (9) of push-down head, passes through pipeline sealing screw (14) and the push-down head T of fabrication hole
Type pipeline (9) is docked and connected and seals, for maintaining rock core lower part pore pressure；The connection of pedestal hypomere and rock core transfer device
Mouth (12) is connected, and semi-enclosed balancing gate pit and the inner cavity of rock core transfer device are formed a complete balancing gate pit's cavity of sealing；
The axis pressure device includes small-sized hydraulic oil cylinder (1), piston (4), seaming chuck (6), and small-sized hydraulic oil cylinder (1) drives piston
(4) it moves downward and generates axially loaded power；The top of seaming chuck (6) is connect with piston (4)；Pipeline is set inside seaming chuck (6)
Interface B is connected to maintain rock core upper end pore pressure with pipe interface A；It is recessed that seaming chuck permeable stone is arranged in seaming chuck (6) lower part
Slot, for placing permeable stone (7)；
The confining pressure and hole pressure control system include plunger pump, flexible duct and needle-valve, and plunger pump passes through flexible duct and needle-valve
It is connected respectively with pipe interface A, B, C, D, E, provides hydraulic pressure water needed for entire experiment process to maintain confining pressure and pore pressure；
The computer data acquiring is passed with control system by computer, signal wire, temperature sensor, pressure transmitter, displacement
Sensor forms, and corresponding signal is converted to electricity by the computer processing data and signal, the temperature, pressure, displacement sensor
Signal is sent to computer.
2. a kind of gas hydrates core sample pressurize transfer type three-axis mounting according to claim 1, feature exist
In displacement sensor is installed in leading screw (16) bottom end.
3. a kind of gas hydrates core sample pressurize transfer type three-axis mounting according to claim 1 or 2, feature
It is, the confining pressure and hole pressure control system use at least three plunger pumps.
4. a kind of operation side of gas hydrates core sample pressurize transfer type three-axis mounting as claimed in claim 1,2 or 3
Method, it is characterised in that following steps：
Rock core is transferred to rock core transfer device by the first step from sample storage device；
Ball valve (15) is docked with sample storage device ball valve sealing, is tieed up with sample storage device ball valve by pilot plunger pump, needle-valve, ball valve (15)
Hold the pore pressure of rock core (10)；Pressure combination adjusting screw (16) by controlling rock core top and bottom realizes rock core (10)
Transfer；
Second step, the pretreatment of three-axis mounting host；
Rubber membrane (8) both ends are separately fixed in pedestal upper end side face groove (23) and seaming chuck lateral grooves, by rubber membrane
Surround cylindrical space；
Third walks, and rock core transfer device is fixedly connected with three-axis mounting host；
Rock core transfer device enters the slideway (20) of three-axis mounting host lower bracket (24) by the pulley (21) of bottom, along cunning
The mobile rock core transfer device in road (20), is positioned with transfer device fixing screws (18) and locks rock core transfer device；
Rock core is transferred to three-axis mounting host by the 4th step from rock core transfer device；
The sealing of rock core transfer device connector (12) and three-axis mounting main machine base (31) is docked, by pilot plunger pump, needle-valve,
Ball valve (15) maintains the pore pressure and confining pressure of rock core (10)；Realization rock core (10) is moved upwards by controlling leading screw (16)
Transfer；
5th step deviates from core shell cylinder；
Control leading screw (16) moves upwards the shell ring point (11) of press-offing for driving rock core to slow transit through pedestal (31), removes plastic sheath
Cylinder；
Rock core pore water, gas are connected to and are sealed by the 6th step；
Control leading screw (16) drives rock core (10) to move upwards, into the cylindrical space surrounded by rubber membrane (8), rubber
Film (8) is sleeved on around rock core (10)；Pipeline sealing screw (14) and T-type pipeline (9) are tightly connected.
5. a kind of operation side of gas hydrates core sample pressurize transfer type three-axis mounting according to claim 4
Method, which is characterized in that piston and leading screw are controlled by the displacement sensor of leading screw bottom end and computer acquisition and control system
Movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402927.7A CN106092772B (en) | 2016-06-07 | 2016-06-07 | A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402927.7A CN106092772B (en) | 2016-06-07 | 2016-06-07 | A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092772A CN106092772A (en) | 2016-11-09 |
| CN106092772B true CN106092772B (en) | 2018-11-09 |
Family
ID=57227784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402927.7A Active CN106092772B (en) | 2016-06-07 | 2016-06-07 | A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106092772B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829691A (en) * | 2017-09-25 | 2018-03-23 | 北京探矿工程研究所 | Core tube with internal coating |
| CN107621431B (en) * | 2017-09-25 | 2023-10-31 | 华南理工大学 | Device and method for rapidly measuring hydrate saturation in hydrate sediment suitable for various coring devices |
| CN107991164B (en) * | 2017-10-30 | 2019-08-20 | 大连理工大学 | A kind of sea bed gas hydrate rock core sound wave type plane strain instrument device |
| CN108761023A (en) * | 2018-05-24 | 2018-11-06 | 大连理工大学 | A kind of sea bed gas hydrate core boat-carrying multifunctional analysis laboratory installation |
| CN108645878B (en) * | 2018-05-24 | 2020-07-24 | 大连理工大学 | Submarine natural gas hydrate core in-situ pressure maintaining CT reaction kettle device |
| CN108979578B (en) * | 2018-08-20 | 2020-06-16 | 浙江大学 | Long-stroke pushing and rotating device for pressure-maintaining core tube in pressure-maintaining transfer system |
| CN109307743B (en) * | 2018-10-27 | 2024-04-23 | 华南理工大学 | Device and method for rapidly measuring saturation of pressure-maintaining hydrate mineral core by microwave method |
| CN109540762B (en) * | 2018-11-12 | 2020-05-19 | 中国科学院广州能源研究所 | Hydrate deposit permeability testing device |
| CN110361420B (en) * | 2018-12-10 | 2020-08-18 | 青岛海洋地质研究所 | Method for testing hydrate core sample |
| CN109973085B (en) * | 2019-03-25 | 2020-04-28 | 中国科学院地质与地球物理研究所 | System and method for measuring wave velocity of natural gas hydrate |
| CN109827829B (en) * | 2019-04-09 | 2021-04-20 | 大连理工大学 | Rotary type hydrate sediment sample preparation and mechanical property test device |
| CN112253574B (en) * | 2020-10-26 | 2021-09-24 | 大连理工大学 | Control method for adjusting maximum output load of loading hydraulic cylinder |
| CN112710554B (en) * | 2021-01-04 | 2023-06-13 | 青岛理工大学 | Triaxial shear and seepage integrated experimental method for hydrate-containing sediment |
| CN113565459B (en) * | 2021-07-29 | 2023-07-28 | 广东石油化工学院 | Device for transferring and preserving natural gas hydrate core |
| CN113804555B (en) * | 2021-08-18 | 2022-06-28 | 青岛海洋地质研究所 | Device and method for testing tensile failure process of hydrate and hydrate-containing sediment |
| 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 |
| CN115639079B (en) * | 2022-11-04 | 2023-10-20 | 湖北顶华工程勘察设计有限公司 | Static cone penetration test system and method for restoring soil body site state indoors |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5869750A (en) * | 1997-10-08 | 1999-02-09 | Halliburton Energy Services, Inc. | Method, system and device for testing two-phase compressible compositions having gas under pressure |
| CN101349626A (en) * | 2008-08-31 | 2009-01-21 | 中国石油大学(华东) | Method and device for measuring shearing strength of natural gas hydrate |
| CN102089639A (en) * | 2008-07-07 | 2011-06-08 | 里尔科技大学 | Triaxial cell for the testing of geomaterials in compression and in shear |
| CN102135478A (en) * | 2011-01-07 | 2011-07-27 | 中国海洋石油总公司 | Triaxial test device for testing transubstantiation of sediments of gas hydrate |
| 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 |
| CN102445371A (en) * | 2011-11-10 | 2012-05-09 | 大连理工大学 | Integrated device for in-situ generation and decomposition of hydrate sediments and permeability measurement thereof |
| CN102561970A (en) * | 2011-12-20 | 2012-07-11 | 大连理工大学 | Fidelity transfer device for natural drill cores of natural gas hydrates and method |
| CN202512030U (en) * | 2012-01-09 | 2012-10-31 | 长江水利委员会长江科学院 | Servo-control rock triaxial rheological testing device |
| CN103616300A (en) * | 2013-12-03 | 2014-03-05 | 中国科学院武汉岩土力学研究所 | Device and method for testing direct shear intensity of soil containing natural gas hydrate |
| CN103616290A (en) * | 2013-11-14 | 2014-03-05 | 大连理工大学 | Dynamic loading system for measuring dynamic characteristics of natural gas hydrate sediments |
| CN103913356A (en) * | 2013-01-06 | 2014-07-09 | 中国石油化工股份有限公司 | Natural gas hydrate core under-pressure transfer method and apparatus |
| CN104155188A (en) * | 2014-07-24 | 2014-11-19 | 大连理工大学 | Visual natural gas hydrate sediment mechanical property testing apparatus |
| CN104406864A (en) * | 2014-12-01 | 2015-03-11 | 中国科学院广州能源研究所 | Mechanical property measuring device for natural gas hydrates |
| CN104655494A (en) * | 2015-02-12 | 2015-05-27 | 中国海洋石油总公司 | Dynamic triaxial tester for analyzing dynamic characteristics of deepwater natural gas hydrate sediment |
| CN104833582A (en) * | 2015-05-21 | 2015-08-12 | 大连理工大学 | Natural gas hydrate sediment triaxial test device |
| CN105424734A (en) * | 2016-01-12 | 2016-03-23 | 大连理工大学 | Low-temperature high-pressure control device for observing aquo-complex generation and decomposition characteristics through X-ray CT device |
-
2016
- 2016-06-07 CN CN201610402927.7A patent/CN106092772B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5869750A (en) * | 1997-10-08 | 1999-02-09 | Halliburton Energy Services, Inc. | Method, system and device for testing two-phase compressible compositions having gas under pressure |
| CN102089639A (en) * | 2008-07-07 | 2011-06-08 | 里尔科技大学 | Triaxial cell for the testing of geomaterials in compression and in shear |
| CN101349626A (en) * | 2008-08-31 | 2009-01-21 | 中国石油大学(华东) | Method and device for measuring shearing strength of natural gas hydrate |
| CN102135478A (en) * | 2011-01-07 | 2011-07-27 | 中国海洋石油总公司 | Triaxial test device for testing transubstantiation of sediments of gas hydrate |
| 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 |
| CN102445371A (en) * | 2011-11-10 | 2012-05-09 | 大连理工大学 | Integrated device for in-situ generation and decomposition of hydrate sediments and permeability measurement thereof |
| CN102561970A (en) * | 2011-12-20 | 2012-07-11 | 大连理工大学 | Fidelity transfer device for natural drill cores of natural gas hydrates and method |
| CN202512030U (en) * | 2012-01-09 | 2012-10-31 | 长江水利委员会长江科学院 | Servo-control rock triaxial rheological testing device |
| CN103913356A (en) * | 2013-01-06 | 2014-07-09 | 中国石油化工股份有限公司 | Natural gas hydrate core under-pressure transfer method and apparatus |
| CN103616290A (en) * | 2013-11-14 | 2014-03-05 | 大连理工大学 | Dynamic loading system for measuring dynamic characteristics of natural gas hydrate sediments |
| CN103616300A (en) * | 2013-12-03 | 2014-03-05 | 中国科学院武汉岩土力学研究所 | Device and method for testing direct shear intensity of soil containing natural gas hydrate |
| CN104155188A (en) * | 2014-07-24 | 2014-11-19 | 大连理工大学 | Visual natural gas hydrate sediment mechanical property testing apparatus |
| CN104406864A (en) * | 2014-12-01 | 2015-03-11 | 中国科学院广州能源研究所 | Mechanical property measuring device for natural gas hydrates |
| CN104655494A (en) * | 2015-02-12 | 2015-05-27 | 中国海洋石油总公司 | Dynamic triaxial tester for analyzing dynamic characteristics of deepwater natural gas hydrate sediment |
| CN104833582A (en) * | 2015-05-21 | 2015-08-12 | 大连理工大学 | Natural gas hydrate sediment triaxial test device |
| CN105424734A (en) * | 2016-01-12 | 2016-03-23 | 大连理工大学 | Low-temperature high-pressure control device for observing aquo-complex generation and decomposition characteristics through X-ray CT device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106092772A (en) | 2016-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106092772B (en) | A kind of gas hydrates core sample pressurize transfer type three-axis mounting and method | |
| CN109681190B (en) | High-temperature high-pressure well cement sheath seal integrity evaluation system | |
| CN107576562B (en) | Multi-field coupling true triaxial test system and test method thereof | |
| CN107991164B (en) | A kind of sea bed gas hydrate rock core sound wave type plane strain instrument device | |
| Ugarte et al. | A review on well integrity issues for underground hydrogen storage | |
| CN104155188B (en) | A kind of gas hydrates deposit mechanical characteristic visual test device | |
| CN104833582B (en) | A kind of natural gas hydrate deposits thing Triaxial tester | |
| Konno et al. | Experimental evaluation of the gas recovery factor of methane hydrate in sandy sediment | |
| Xie et al. | Research on in-situ condition preserved coring and testing systems | |
| CN105259003A (en) | Experiment device and method for synthesizing marine natural gas hydrate sample | |
| CN102162779B (en) | Triaxial test device for in-situ generation and decomposition of natural gas hydrate | |
| CN109298162A (en) | Different phase carbon dioxide fracturing shale device and experimental method | |
| CN202451142U (en) | Subsurface environment simulator | |
| CN103868799A (en) | Rock mechanical characteristic analyzer for non-conventional oil-gas reservoir stratum | |
| CN104360021A (en) | Testing device for simulating exploitation of natural gas hydrate from deep-sea energy soil | |
| CN103075147A (en) | Underground environment simulation device and method | |
| CN210858697U (en) | Device for evaluating sand production and prevention in horizontal well in hydrate exploitation process | |
| CN113295540A (en) | Triaxial test device containing natural gas hydrate sediment | |
| CN106053245A (en) | Shearing device for mechanical tests of hydrate-containing sediments | |
| CN205920114U (en) | Ration simulation rock core holder | |
| CN113640038B (en) | Pressure maintaining transfer device and method for covering water in submarine sediment | |
| Zeng et al. | Experimental study on the influence of brine concentration on the dissociation characteristics of methane hydrate | |
| CN204241320U (en) | The triaxial stress of CT real time scan, seepage flow, chemical coupling rheological test system | |
| CN105842073A (en) | In-situ solidification and shear experimental system of hydrate bearing sediments | |
| Iwai et al. | Undrained triaxial compression tests on artificial CO2-hydrate-bearing sand specimens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Yongchen Inventor after: Jiang Lanlan Inventor after: Ling Zheng Inventor after: Yang Lei Inventor after: Luo Tingting Inventor after: Li Yanghui Inventor after: Liu Weiguo Inventor after: Yang Mingjun Inventor after: Zhao Jiafei Inventor after: Liu Yu Inventor after: Zhang Yi Inventor after: Wang Dayong Inventor after: Zhao Yuechao Inventor before: Song Yongchen Inventor before: Luo Tingting Inventor before: Li Yanghui Inventor before: Zhao Jiafei Inventor before: Liu Yu Inventor before: Ling Zheng Inventor before: Yang Mingjun Inventor before: Liu Weiguo |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |