CN109827848A - A kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system and method - Google Patents
A kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system and method Download PDFInfo
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- CN109827848A CN109827848A CN201910211886.7A CN201910211886A CN109827848A CN 109827848 A CN109827848 A CN 109827848A CN 201910211886 A CN201910211886 A CN 201910211886A CN 109827848 A CN109827848 A CN 109827848A
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Abstract
The invention discloses a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system and methods, the system and method using piston to rock sample hydraulic loaded, and extension and the propagation behavior for the real time imagery function dynamic monitoring pressure-break having by neutron photography system.The present invention during pressure break physical analogy by introducing neutron photography system, overcome traditional acoustic emission and fluorescent tracing agent method in pressure-break patulous research can not real-time monitoring the drawbacks of, solve the problems, such as that pressure-break extends extended dynamic real-time monitoring, the real-time cooperation for realizing rock true triaxial Yu neutron imaging technology, the formation for pushing crack to research true triaxial stress state are of great significance with propagation law is extended.
Description
Technical field
The present invention relates to a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system and method, belong to rock mechanics with
Oil and gas development field.
Background technique
With the deep progress of oil-gas exploration and development, be becoming tight conventional gas and oil resource day, and U.S.'s shale gas revolution at
Function makes the unconventional petroleum resources such as shale oil gas, fine and close oil gas show powerful vitality under the prior art.China is very
It is abundant to advise petroleum resources, but in general, the characteristics of unconventional oil and gas reservoir all has low porosity and low permeability, oil gas is opened under normal condition
Difficulty is adopted, it need to be by technological means such as artificial fracturings.Grasping oil and gas reservoir pressure-break to extend propagation law is that control forms complexity
The key for stitching net develops tool significance to unconventional oil and gas.
Pressure break physical analogy is that one kind reliably and effectively recognizes pressure-break geometric shape and extends the important of expansion process
Means.This method can realize that the factors such as Reproducible ability in quantitative analysis rock, crustal stress condition extend pressure-break and extend
The influence of behavior and form.
Acoustic emission and fluorescent tracer are the common methods of current pressure-break monitoring, but its there are limitations: one,
The accuracy of acoustic emission positioning is largely influenced by Probe arrangement position and precision, and acoustic emission is not
It can accurately show the fracture surface of pressure-break, and then be difficult to that the extension extension of the complexity such as torsion, bifurcated of fracture surface is accurately presented
Phenomenon；The two, the effect of fluorescent tracer is only rived along pressure-break after the end of the experiment just to be emerged from, and cannot record pressure break
Pressure-break dynamic expansion path in the process.
Microcomputer control with CT scan imaging system disclosed in Chinese utility model patent (patent No. 201320462332.2)
Electro-hydraulic servo multi- scenarios method rock triaxial test machine processed, main includes test machine host, Based on Electro-hydraulic Loading Servo System, confining pressure pore pressure
Servo loading system, closed loop measurement and control system, computer control and processing system, CT scan system, temperature control system and rotation are flat
Platform.The device structure is simple, and measurement data accurately and conveniently, can effectively reflect physics of the rock under axial direction and confining pressure effect
Performance.The main normal triaxial experimental provision that the patent is related to, can only analyze the rock failure process under axi-symmetric stress condition,
True stress state cannot be presented.
A kind of rock true three of band CT real time scan system disclosed in Chinese invention patent document (201510577392.2)
Shaft experiment system and method, including true triaxial pressure cell, true triaxial main machine frame, loading device and CT scanning device.The hair
Bright horizontal loading system, carbon fiber force transmitting board and the column that special designing is used to CT scan area, solving X-ray can not penetrate
The problem of the true three dimensional taest machine of tradition.
Though above-mentioned patent can be used for the experiment of real-time monitoring pressure-break extension, there are still limitation, rocks to break through it for it
Strength degree forms the moment in crack, and pressure-break spreading rate may be more than the ability scope of CT capture imaging, causes
Crucial crack extension details can not know；In addition, also there is the problems such as cost height and applicability in the preparation of special carbon fibre material.
Neutron-radiography is a kind of for analyzing the non-destructive technique of sample structure, basic principle and roentgenogram
Physiognomy is similar, but has the advantages that higher than X-ray energy, penetration power is stronger, can solve some x-ray imagings and is difficult to solve
The problem of.The significant difference of neutron and X-ray and matter interaction is reflected on the mass-absorption coefficient of various elements, hydrogen
Thermal neutron quality coefficient is very big, and the neutron mass absorption coefficient very little of some heavy elements, then, contains hydrogen object for detection
Object composed by matter and heavy metal, neutron-radiography is especially effective, can penetrate high density material imaging.
Summary of the invention
It is an object of the present invention to overcome defect of the existing technology, a kind of oil and gas reservoir pressure-break extension is proposed
Dynamic monitoring system and method are simulated, is extended based on neutron photography system dynamic monitoring pressure-break, in pressure break physical analogy process
Middle realization, which monitors the formation of pressure-break in real time and extends, to be extended.
A kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system of the present invention, including true triaxial pressure chamber, fluid note
Enter system, pressure-loaded system, neutron photography system and data acquisition processing system.
The true triaxial pressure chamber, assembled by six pieces of six faces of square aluminium alloy plate, pressure chamber interior walls are provided with close
Sealing bushing, fluid provider is provided on the aluminium alloy plate of the true triaxial pressure chamber top surface, and fluid provider passes through sealant
Bushing, the true triaxial pressure chamber are provided with steel liquid injection pipe, infuse for placing cube pressure break sample in the pressure break sample
Liquid pipe one end is located in pressure break sample, and the fluid provider that the other end passes through on aluminium alloy plate is exposed on the outside of pressure chamber.
The pressure-loaded system includes that front, rear, left and right, top, the sliding steel column of bottom six direction and six are placed in oil cylinder
Interior piston, sliding steel column sectional dimension is identical as the board size of aluminium alloy plate, and sliding steel column is connected with piston, can be in oil cylinder
Interior pressure is made to use lower slider, applies active force to six wooden partitions of true triaxial pressure chamber.
The infusion fluid systems include servo booster, fracturing fluid reservoir, oil cup and fluid conduit systems, are true three
Axis pressure intraventricular pressure splits test specimen and oil cylinder provides Fluid pressure, and the fracturing fluid reservoir passes through fluid conduit systems and steel fluid injection
Pipe, servo booster are separately connected, and the oil cup is separately connected by fluid conduit systems and servo booster, oil cylinder.
The neutron photography system is formed by neutron source and as detection system, the optional pile neutron source of the neutron source,
Accelerator neutron generator, neutron tube neutron source and isotope neutron source are any, it is described as detection system include neutron convert screen and
Neutron-absorbing system, the neutron convert screen are transient state screen, can complete the imaging to object moment.The neutron source is placed in true three
Outside one, axis pressure chamber side wall, the neutron convert screen is placed in outside another side wall of the true triaxial pressure chamber opposite with neutron source, in
Sub- absorption system is placed in the rear of neutron convert screen.
The data acquisition processing system includes computer, six strain gauges and flow tester, and described six are answered
Force snesor is separately positioned on six inner walls of true triaxial pressure chamber, and the data line of the computer connects each stress sensing
Device, servo booster and neutron convert screen receive, record related data, and are converted into geological information and image information.
A kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring method of the present invention, its step are as follows:
Test material preparation before step 1. pressure break.
Rock to be measured is cut into and the consistent cube specimen of true triaxial pressure chamber inside dimension；
Then according to the diameter of setting and hole depth, fluid injecting hole, the fluid injection are drilled out perpendicular to cuboid sample top surface
Steel fluid liquid injection pipe is consolidated at set depth with resin glue in hole, certain depth is preset as naked in the lower section of fluid injecting hole
Eye section, fluid injecting hole are corresponding with the fluid inlet hole site of true triaxial pressure chamber top surface；
Silicon rubber is smeared on each surface of cube specimen, wraps up temperature-sensitive material around cube, after cryogenic freezing molding,
Finally standard pressure break test specimen is prepared into cement nesting.
Fracture extension extension monitoring when step 2. pressure break.
The standard pressure break test specimen prepared is placed in true triaxial pressure chamber, neutron photography system, monitoring standard are started
The distribution state that intrinsic fracture is first deposited in pressure break test specimen, using fluid conduit systems by fracturing fluid reservoir and the fluid injection of steel fluid
Pipe, servo booster are separately connected, and the load in six faces of true triaxial pressure chamber is arranged by pressure-loaded system, are made upper and lower, left
Right and front-back load is consistent respectively, controls the Fluid pressure in standard pressure break rock sample by injection Fluid Volume,
Until rock rupture, in the whole process, neutron photography system real-time monitoring pressure-break form and extend propagation behavior.
Fracture pattern quantization signifying and its evolutionary process reconstruct after step 3. pressure break.
Extract the pressure-break data volume of neutron photography system record, three-dimensional visualization pressure-break feature, quantization signifying difference
The pressure-break geometric shape at time point, reconstruct pressure-break form, extend the evolutionary process of extension.
The beneficial effects of the present invention are embodied in:
The present invention overcomes traditional acoustic emission and fluorescence by introducing neutron photography system during pressure break physical analogy
Drawback of the tracer method in pressure-break extension real-time monitoring, solves the difficulty that pressure-break extends extended dynamic real-time monitoring
Topic, realizes the cooperation of rock true triaxial Yu neutron imaging technology, pushes crack extension to research true triaxial stress state and develops
It is of great significance.
Detailed description of the invention
Fig. 1 is oil and gas reservoir pressure-break extended simulation dynamic monitoring system schematic diagram of the present invention.Wherein: 1- computer, 2-
Bracket, 3- screw, 4- piston, 5- oil cylinder, 6- slide steel column, 7- fluid provider, 8- sealant bushing, 9- aluminium alloy plate, 10-
Neutron source, 11- oil cup, 12- fracturing fluid reservoir, 13- servo booster, 14- neutron convert screen, 15- neutron-absorbing system
System, 16- fluid conduit systems, 17- bearing base.
Specific embodiment
With reference to the accompanying drawing, invention is further described in detail.
As shown in Figure 1, a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system of the present invention, including true triaxial pressure
Room, type rack, infusion fluid systems, pressure-loaded system, neutron photography system and data acquisition processing system.
True triaxial pressure chamber is made of the six piece of 200 mm square of mm × 200 aluminium alloy plate 9, including foreboard, back plate, a left side
Side plate, right side plate, top plate and bottom plate, true triaxial pressure chamber inner wall are provided with sealant bushing 8, are inside fixed with stress sensing
Device, true triaxial pressure chamber top aluminium alloy plate are provided with the fluid provider 7 of 10 mm of aperture, can place in true triaxial pressure chamber
Cuboid sample having a size of the mm × 200 of 200 mm × 200 mm is provided with steel liquid injection pipe, liquid injection pipe in cuboid sample
One end is located in pressure break sample, and the fluid provider that the other end passes through on aluminium alloy plate is exposed on the outside of pressure chamber.
Preferably, the fluid provider 7 is located at the center of top surface aluminium alloy plate.
Pressure-loaded system include front, rear, left and right, top, bottom six direction sliding steel column 6, sectional dimension 200
The mm of mm × 200, the sliding steel column 6 are connected with piston 4, and piston 4 is placed in oil cylinder 5, slide steel column 6 and piston 4 can be in oil cylinder
Interior pressure is made to use lower slider, realizes and applies active force to true triaxial pressure chamber difference wooden partition.
Type rack mainly includes bearing base 17 and bracket 2, is used to support pressure-loaded system, neutron photography system
And true triaxial pressure chamber.
Infusion fluid systems include servo booster 13, fracturing fluid reservoir 12, oil cup 11 and fluid conduit systems 17, institute
It states fracturing fluid reservoir 12 to be separately connected by fluid conduit systems 17 with steel liquid injection pipe, servo booster 13, is true triaxial pressure
Indoor pressure break test specimen provides Fluid pressure, and the oil cup 11 is distinguished by fluid conduit systems 17 and oil cylinder 5, servo booster 13
Connection, provides Fluid pressure for oil cylinder.
Neutron photography system is formed by neutron source 10 and as detection system, and neutron source can be selected pile neutron source, accelerate
Device neutron source, neutron tube neutron source and isotope neutron source are any.As detection system includes neutron convert screen 14, detection system
System, image processing system and absorption system, the conversion screen are transient state screen, can complete the imaging to object moment.Neutron source 10
It is placed in outside one side wall of true triaxial pressure chamber, it is another that the neutron convert screen 14 is placed in the true triaxial pressure chamber opposite with neutron source 10
Outside one side wall, neutron-absorbing system 15 is placed in the rear of neutron convert screen.
Data acquisition processing system is mainly made of computer 1, strain gauge and flow tester etc., the computer
Data line connect each strain gauge, servo booster, neutron convert screen, receive, record related data, and be converted into geology
Information and image information.
A kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring method of the present invention, comprising the following steps:
1, test material preparation before pressure break.
1. rock to be cut into the cube rock of the mm × 190 of 190 mm × 190 mm by rock cutter secondary process
Test specimen；
2. with true triaxial pressure chamber top surface fluid provider corresponding position, drilled out perpendicular to the top surface of cube rock sample
The fluid injecting hole of 12 mm/ long of diameter, 110 mm；
3. the steel liquid injection pipe of 10 mm/ internal diameter of outer diameter, 6 mm/ long, 150 mm is consolidated in the injection of rock sample fluid with resin glue
10 mm are reserved as Open-Hole Section in Kong Zhong, consolidated depth 100 mm of the liquid injection pipe in fluid injecting hole, lower section；
Silicon rubber is smeared on each surface of cube rock sample, the temperature-sensitive material of 5 mm is wrapped up around cube, it is low
After warm freeze forming, standard pressure break rock sample finally is prepared into 5 mm cement nestings.
2, fracture extension extension monitoring when pressure break.
The standard pressure break test specimen prepared is placed in true triaxial pressure chamber, neutron photography system, prison are started
The distribution state for first depositing intrinsic fracture in pressure break test specimen is surveyed, is infused fracturing fluid reservoir and steel fluid using fluid conduit systems
Liquid pipe, private take booster and are separately connected, and are arranged around true triaxial pressure chamber and push up six, bottom face by pressure-loaded system
Load, make front and rear, left and right and top the pressure value difference at bottom it is consistent, pass through inject Fluid Volume control pressure break test specimen in fluid pressure
Power, until rock rupture, in the whole process, neutron photography system real-time monitoring pressure-break form and extend propagation behavior.
3, fracture pattern quantization signifying and its evolutionary process reconstruct after pressure break.
Extract the pressure-break data volume of neutron photography system record, three-dimensional visualization pressure-break feature, quantization signifying difference
The pressure-break geometric shape at time point, reconstruct pressure-break form, extend the evolutionary process of extension.
The present invention provides a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system and method, the System and method fors
Extension and the propagation behavior that dynamic monitoring pressure-break is realized by the real time imagery function of neutron photography system, have broken pressure break object
The limitation of acoustic emission and fluorescent tracer traditional in simulation process in pressure-break dynamic monitoring is managed, it is true to realize rock
The real-time cooperation of three axis and neutron-radiography pushes the formation in crack to research true triaxial stress state and extends propagation law
It is of great significance.
Claims (4)
1. a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system, including true triaxial pressure chamber, infusion fluid systems, pressure
Force loading system, neutron photography system and data acquisition processing system, it is characterised in that:
The true triaxial pressure chamber, assembled by six pieces of six faces of square aluminium alloy plate, pressure chamber interior walls are provided with sealant
Bushing is provided with fluid provider on the aluminium alloy plate of the true triaxial pressure chamber top surface, and fluid provider passes through sealant bushing,
The true triaxial pressure chamber is provided with steel liquid injection pipe, liquid injection pipe in the pressure break sample for placing cube pressure break sample
One end is located in pressure break sample, and the fluid provider that the other end passes through on aluminium alloy plate is exposed on the outside of pressure chamber；
The pressure-loaded system include front, rear, left and right, top, the sliding steel column of bottom six direction and six be placed in it is in-oil cylinder
Piston, sliding steel column sectional dimension is identical as the board size of aluminium alloy plate, and sliding steel column is connected with piston, can be in oil cylinder internal pressure
Power acts on lower slider, applies active force to six wooden partitions of true triaxial pressure chamber；
The infusion fluid systems include servo booster, fracturing fluid reservoir, oil cup and fluid conduit systems, are true triaxial pressure
Pressure break test specimen and oil cylinder provide Fluid pressure in power room, the fracturing fluid reservoir by fluid conduit systems and steel liquid injection pipe, watch
It takes booster to be separately connected, the oil cup is separately connected by fluid conduit systems and oil cylinder, servo booster；
The neutron photography system is formed by neutron source and as detection system, described as detection system includes neutron convert screen in
Sub- absorption system, the neutron source are placed in outside one side wall of true triaxial pressure chamber, and the neutron convert screen is placed in and neutron source phase
Pair another side wall of true triaxial pressure chamber outside, neutron-absorbing system is placed in the rear of neutron convert screen；
The data acquisition processing system includes computer, six strain gauges and flow tester, and six stress passes
Sensor is separately positioned on six inner walls of true triaxial pressure chamber, and the data line of the computer connects each strain gauge, watches
Booster and neutron convert screen are taken, is received, record related data, and be converted into geological information and image information.
2. a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system according to claim 1, it is characterized in that: described
Neutron source can be pile neutron source, accelerator neutron generator, neutron tube neutron source, any type in isotope neutron source.
3. a kind of oil and gas reservoir pressure-break extended simulation dynamic monitoring system according to claim 1, it is characterized in that: described
Neutron convert screen is transient state screen.
4. a kind of store up oil gas using oil and gas reservoir pressure-break extended simulation dynamic monitoring system described in claim 1,2 or 3
The method for being laminated the dynamic monitoring of crack extended simulation, its step are as follows:
Test material preparation before step 1. pressure break
Rock to be measured is cut into and the consistent cube specimen of true triaxial pressure chamber inside dimension；
Then according to the diameter of setting and hole depth, fluid injecting hole, the fluid injection are drilled out perpendicular to cuboid sample top surface
Steel fluid liquid injection pipe is consolidated at set depth with resin glue in hole, certain depth is preset as naked in the lower section of fluid injecting hole
Eye section, fluid injecting hole are corresponding with the fluid inlet hole site of true triaxial pressure chamber top surface；
Silicon rubber is smeared on each surface of cube specimen, wraps up temperature-sensitive material around cube, after cryogenic freezing molding,
Finally standard pressure break test specimen is prepared into cement nesting；
Fracture extension extension monitoring when step 2. pressure break
The standard pressure break test specimen prepared is placed in true triaxial pressure chamber, neutron photography system, monitoring standard pressure break are started
The distribution state that intrinsic fracture is first deposited in test specimen, using fluid conduit systems by fracturing fluid reservoir and steel fluid liquid injection pipe,
Servo booster is separately connected, by pressure-loaded system be arranged six faces of true triaxial pressure chamber load, make up and down, left and right and
The load of front-back is consistent respectively, the Fluid pressure in standard pressure break test specimen is controlled by injection Fluid Volume, until rock
Rupture, in the whole process, neutron photography system real-time monitoring pressure-break form and extend propagation behavior；
Fracture pattern quantization signifying and its evolutionary process reconstruct after step 3. pressure break
Extract the pressure-break data volume of neutron photography system record, three-dimensional visualization pressure-break feature, quantization signifying different time
The pressure-break geometric shape of point, reconstruct pressure-break form, extend the evolutionary process of extension.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567814A (en) * | 2019-08-26 | 2019-12-13 | 中国科学院地质与地球物理研究所 | Neutron imaging method for natural gas hydrate sediment triaxial mechanical test |
| CN112065352A (en) * | 2020-09-21 | 2020-12-11 | 中国科学院武汉岩土力学研究所 | Indoor hydraulic fracturing simulation device, system, manufacturing method and test method |
| CN113008682A (en) * | 2021-02-07 | 2021-06-22 | 山东科技大学 | True triaxial hydraulic fracturing simulation test device and method for natural gas hydrate reservoir |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014081436A1 (en) * | 2012-11-26 | 2014-05-30 | Halliburton Energy Services, Inc. | Method of determining a value indicative of fracture quality |
| CN103883301A (en) * | 2014-03-31 | 2014-06-25 | 中国矿业大学 | Physical simulation method of coal-bed gas well hydraulic fractures |
| RU2014151536A (en) * | 2014-12-18 | 2016-07-10 | Открытое акционерное общество Научно-производственная фирма "Геофизика" (ОАО НПФ "Геофизика") | METHOD FOR DETERMINING PARAMETERS OF HYDRAULIC FRACTURING CRACK WITH APPLICATION OF A PULSED NEUTRON GENERATOR |
| RU2626502C1 (en) * | 2016-04-26 | 2017-07-28 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Method for determining three-dimensional orientation of hydraulic fractures |
| JP2017167095A (en) * | 2016-03-18 | 2017-09-21 | 株式会社東芝 | Crack evaluation device and crack evaluation method |
| CN206515208U (en) * | 2017-02-11 | 2017-09-22 | 中国矿业大学(北京) | A kind of device oozed under the study of platform porous media unsaturation based on neutron photography |
| CN107288607A (en) * | 2017-07-25 | 2017-10-24 | 中国石油大学(华东) | A kind of method of the nearly well fracturing fracture of utilization Gd neutrons spike yield imaging in evaluation |
| CN207020004U (en) * | 2017-05-11 | 2018-02-16 | 中国矿业大学(北京) | A kind of fracturing process stress freezing experimental provision |
-
2019
- 2019-03-20 CN CN201910211886.7A patent/CN109827848B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014081436A1 (en) * | 2012-11-26 | 2014-05-30 | Halliburton Energy Services, Inc. | Method of determining a value indicative of fracture quality |
| CN103883301A (en) * | 2014-03-31 | 2014-06-25 | 中国矿业大学 | Physical simulation method of coal-bed gas well hydraulic fractures |
| RU2014151536A (en) * | 2014-12-18 | 2016-07-10 | Открытое акционерное общество Научно-производственная фирма "Геофизика" (ОАО НПФ "Геофизика") | METHOD FOR DETERMINING PARAMETERS OF HYDRAULIC FRACTURING CRACK WITH APPLICATION OF A PULSED NEUTRON GENERATOR |
| JP2017167095A (en) * | 2016-03-18 | 2017-09-21 | 株式会社東芝 | Crack evaluation device and crack evaluation method |
| RU2626502C1 (en) * | 2016-04-26 | 2017-07-28 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Method for determining three-dimensional orientation of hydraulic fractures |
| CN206515208U (en) * | 2017-02-11 | 2017-09-22 | 中国矿业大学(北京) | A kind of device oozed under the study of platform porous media unsaturation based on neutron photography |
| CN207020004U (en) * | 2017-05-11 | 2018-02-16 | 中国矿业大学(北京) | A kind of fracturing process stress freezing experimental provision |
| CN107288607A (en) * | 2017-07-25 | 2017-10-24 | 中国石油大学(华东) | A kind of method of the nearly well fracturing fracture of utilization Gd neutrons spike yield imaging in evaluation |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021035765A1 (en) * | 2019-08-26 | 2021-03-04 | 中国科学院地质与地球物理研究所 | Method for neutron imaging during triaxial mechanical test of sediment of natural gas hydrate |
| CN110567814A (en) * | 2019-08-26 | 2019-12-13 | 中国科学院地质与地球物理研究所 | Neutron imaging method for natural gas hydrate sediment triaxial mechanical test |
| CN110567814B (en) * | 2019-08-26 | 2024-02-20 | 中国科学院地质与地球物理研究所 | Neutron imaging method for triaxial mechanical test of natural gas hydrate sediment |
| CN112065352A (en) * | 2020-09-21 | 2020-12-11 | 中国科学院武汉岩土力学研究所 | Indoor hydraulic fracturing simulation device, system, manufacturing method and test method |
| CN113008682A (en) * | 2021-02-07 | 2021-06-22 | 山东科技大学 | True triaxial hydraulic fracturing simulation test device and method for natural gas hydrate reservoir |
| CN114165204B (en) * | 2021-11-12 | 2023-08-25 | 中国石油大学(华东) | Real-time visual monitoring experimental device and method for hydraulic fracture network evolution process under reservoir conditions |
| CN114165204A (en) * | 2021-11-12 | 2022-03-11 | 中国石油大学(华东) | Real-time visual monitoring experiment device and method for hydraulic fracture network evolution process under reservoir conditions |
| CN114136800A (en) * | 2021-12-01 | 2022-03-04 | 中南大学 | Multi-field coupling low-permeability rock sample hydraulic fracture evolution multi-scale synchronous monitoring device |
| CN114136800B (en) * | 2021-12-01 | 2024-04-26 | 中南大学 | Multi-field coupling hypotonic rock sample hydraulic fracture evolution multi-scale synchronous monitoring device |
| CN114527004A (en) * | 2022-02-23 | 2022-05-24 | 华美孚泰油气增产技术服务有限责任公司 | Visual experiment method for dynamic expansion of internal cracks of real reduction rock core |
| CN115078121B (en) * | 2022-08-23 | 2022-12-09 | 太原理工大学 | Indirect visual rock multi-cluster fracturing indoor test device and method |
| CN115078121A (en) * | 2022-08-23 | 2022-09-20 | 太原理工大学 | Indirect visual rock multi-cluster fracturing indoor test device and method |
| CN116593319A (en) * | 2023-07-17 | 2023-08-15 | 南通天木绝缘复合材料有限公司 | Anti-torsion detection device for glass fiber reinforced plastic square tube |
| CN116593319B (en) * | 2023-07-17 | 2023-11-10 | 南通天木绝缘复合材料有限公司 | Anti-torsion detection device for glass fiber reinforced plastic square tube |
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