CN107044935A - The core holding unit and its method of work of a kind of rock fever fracturing experiment - Google Patents
The core holding unit and its method of work of a kind of rock fever fracturing experiment Download PDFInfo
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- 239000011435 rock Substances 0.000 title claims abstract description 133
- 238000002474 experimental method Methods 0.000 title claims abstract description 39
- 206010037660 Pyrexia Diseases 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 33
- 230000001174 ascending effect Effects 0.000 claims description 15
- 238000009529 body temperature measurement Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000003079 shale oil Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004058 oil shale Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
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- 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
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- 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
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
A kind of core holding unit of rock fever fracturing experiment, including：Removable seal chamber, axially it is provided with for holding the sealing shroud of rock core in the annular seal space, it is characterised in that the heater for being heated to the side end face of rock core one is provided with the top of the sealing shroud.Integrally there is marked difference in the present invention, more meet engineering background by the rock core used in thermal design, with existing rock fever fracturing experimental method using the unilateral end face of rock core by thermal design.The present invention simulation core saturation Different Strata fluid and can bear the thermal-induced rock cracking process under confined pressure, the loss for the gaseous material that the fluid of institute's saturation in the gaseous material and rock core that rock forming mineral is produced by thermal chemical reaction produces by high temperature action can also be controlled by opening or closing the valve of core holding unit upstream and downstream in heating process simultaneously, realize that the non-airtight heating of rock core and rock core airtight heating are simulated.
Description
Technical field
The present invention relates to a kind of core holding unit of rock fever fracturing experiment and its method of work, belong to reservoir reconstruction and
The technical field of reservoir Integrity Assessment.
Background technology
China possesses the new energy such as abundant geothermal energy, oil shale, shale oil, shale gas and unconventional energy resource.For this
Some clean energy resourcies of sample and unconventional energy resource, how efficiently, safe working be the matter of utmost importance faced at present.Due to these energy
, compared with traditional exploitation and processing mode, there is very big difference in the particularity in source.As hot dry rock reservoir generally uses waterpower
Pressure break is formed after artificial heat storage, and the cold water or carbon dioxide working solution for reinjecting low temperature extract heat energy；Oil shale is due to using
Ground destructive distillation ore mode produce there are problems that cost is high, easily cause geological disaster and, and it is high to turn to underground
Temperature heating destructive distillation production；In order to improve the recovery ratio of shale oil gas, heated in the crack of volume fracturing formation, so as to promote
Enter the flowing of crude oil and the desorption of gas；Etc..In above-mentioned engineer applied reservoir core and reservoir fluid be subjected to high temperature or
The influence of cold service.
When by extraneous heat effect, due to the difference of the thermal coefficient of expansion of the various mineral grains of rock interior, it will
Its internal generation thermal stress, and the generation in new crack may be caused, extend and connect, so as to cause mechanical properties of rock, physics
The change of property etc., such as rock strength, modulus of elasticity, porosity, the change of permeability.Because thermal stress causes rock interior to produce
The phenomenon in crack is referred to as rock fever fracturing, also referred to as thermal-induced rock cracking.
For different application of engineering project, on the one hand rock core thermic splits can cause the destruction of Rock Mass Integrality, cause
Not expected consequence, such as CO2Cause CO because cap rock or pit shaft have crack during Geological storage2Generation leakage, nuke rubbish
By the crack produced in rock mass loss etc. occurs for radioactive pollutant during underground disposal；On the other hand, need to use again
Means of different produces a large amount of cracks, improves reservoir fluid fluid ability, such as forms the heat exchange effect that fracture network improves dry-heat rock body
Rate, the yield for improving shale oil gas etc..In order that the project benefit that rock core thermic splits is maximized, the rock under reservoir environment is carried out
Thermic splits research, theoretical foundation and technological guidance is provided for following engineer applied, with great theory significance and engineering valency
Value.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of core holding unit of rock fever fracturing experiment.
The present invention also provides a kind of method of work of the core holding unit of rock fever fracturing experiment, true simulation reservoir ring
The heated fracturing process of rock under border.
Technical scheme is as follows：
A kind of core holding unit of rock fever fracturing experiment, including：Removable seal chamber, the axial direction in the annular seal space
It is provided with the sealing shroud for holding rock core, it is characterised in that be provided with the top of the sealing shroud for giving the side of rock core one
The heater of face heating.
According to currently preferred, upper plug head and lower end cap are respectively arranged with the two ends of the sealing shroud, in upper plug head
Medium ascending pipe and temperature sensor II are inside through with, medium outfall and temperature sensor I are through with the lower end cap.
According to currently preferred, the removable seal chamber includes the housing and lid being tightly connected, in the lid
Side insertion be provided with confined pressure interface, between annular seal space and sealing shroud space be pressurized.
According to currently preferred, the upper plug head is through being arranged in the lid, the medium ascending pipe and temperature
Sensor II temperature measurement data line is passed to the outside of annular seal space by the lid.
According to currently preferred, the temperature measurement data line of the medium outfall and temperature sensor I is worn by the lid
Go out to the outside of annular seal space.
According to currently preferred, the lid includes upper cover body and lower cover, the upper cover body and lower cover respectively with
The upper end of the housing and the bottom of housing are tightly connected；
The upper plug head, which runs through, to be arranged in the upper cover body, the thermometric number of the medium ascending pipe and temperature sensor II
Passed according to line by the upper cover body to the outside of annular seal space；
The temperature measurement data line of the medium outfall and temperature sensor I is passed to outside annular seal space by the lower cover
Portion.
According to currently preferred, the heater is arranged on the upper plug head lower end；Also set up on the lower end cap
There is cooling source.
According to currently preferred, the cooling source is refrigerator.
Such as method of work of the core holding unit of above-mentioned rock fever fracturing experiment, including：For simulating in saturation experiments
Under ambient condition, unilateral end face is carried out to rock core and is heated, the temperature of rock core heating end face is heated to after predetermined value, and rock core is stopped
Heating, is then cooled down by medium ascending pipe and the circulation of medium outfall to rock core again.When the present invention can be used for measuring heating,
Rock core coefficient of heat conduction variation tendency during cooling, using test medium measure heating before, cooling after core permeability；Wherein institute
Test medium is stated for gas medium or liquid medium.
It is natural cooling, medium cooling or low-temperature receiver cooling according to currently preferred, the described type of cooling.
According to currently preferred, the natural cooling refers to carry out the rock core after heating using the mode of blowdown piping
Cooling.The blowdown piping refers to that medium feed line and medium are released into pipeline is vented.
According to currently preferred, the medium cooling refers to the gas medium or liquid medium by core permeability is measured
The rock core after heating is passed through to be cooled down.
According to currently preferred, the low-temperature receiver cooling refers to the rock core that low-temperature receiver is passed through after heating and cooled down, it is preferred that
Described low-temperature receiver is refrigerator.
Such as method of work of the core holding unit of above-mentioned rock fever fracturing experiment, including：For simulating in saturation experiments
Under ambient condition, unilateral end face heating is carried out to rock core, while being cooled down to another side end face of rock core, rock core heats a side end face
Temperature be heated to after predetermined value, then again to rock core stop heat and cool down.Equilibrium core temperature of the invention is distinguished to room temperature
When measuring heating, cooling when rock core coefficient of heat conduction variation tendency, measure the rock after balanced rock core to room temperature using test medium
Heart permeability；Wherein described test medium is gas medium or liquid medium；Wherein cooling means is to carry out rock core using low-temperature receiver
Another side end face cooling.
It is nature equalization temperature, medium equalization temperature according to the mode of currently preferred, described balanced core temperature.
According to currently preferred, the natural equalization temperature refers to the mode using blowdown piping to the rock core after heating
Equalization temperature is carried out to room temperature.The blowdown piping refers to that medium feed line and medium are released into pipeline is vented.
According to currently preferred, the medium equalization temperature refers to the gas medium or liquid by core permeability is measured
Medium is passed through the rock core after heating and carries out equalization temperature to room temperature.
The beneficial effects of the present invention are：
1st, the present invention uses the unilateral end face of rock core by the rock core used in thermal design, with existing rock fever fracturing experimental method
It is overall to there is marked difference by thermal design, more meet engineering background；
2nd, it is typically that will dry that rock core is non-is hermetically placed in heating under atmospheric pressure in existing rock fever fracturing experimental method
Thermal cracking experiment is carried out in container, rock forming mineral will be spilt into around because of the gaseous material that thermal chemical reaction is produced in heating process
In environment, and do not account under actual reservoir environment rock saturation fluid, bear the influence of confined pressure；The present invention can simulate rock
Heart saturation Different Strata fluid and the thermal-induced rock cracking process under confined pressure is born, while can also be by beating in heating process
Open or close and close the valve of core holding unit upstream and downstream to control the gaseous material and rock that rock forming mineral is produced by thermal chemical reaction
The loss for the gaseous material that the fluid of intracardiac institute's saturation is produced by high temperature action, realize the non-airtight heating of rock core and rock core it is closed plus
Thermal simulation；
3rd, existing rock fever fracturing experimental method only considers naturally heating and cooled down；The present invention on this basis can be with
The two-way motivational techniques of one end thermal source one end low-temperature receiver and the chemical pumping method of rock core saturation different fluid is simulated to strengthen rock
Stone thermic splits process and thermic splits effect, realizes different rock reinforcing thermic cracking method researchs.
Brief description of the drawings
Fig. 1 is the structural representation of the core holding unit of heretofore described rock fever fracturing experiment；
In Fig. 1,1, housing；2nd, temperature sensor I；3rd, lower end cap；4th, medium outfall；5th, rock core；6th, sealing shroud；7、
Upper plug head；8th, the interface of medium outfall；9th, temperature sensor II；10th, the interface of medium outfall；11st, confined pressure interface；12、
Lid；13rd, heater；14th, annular seal space；15th, medium ascending pipe；16th, temperature sensor II temperature measurement data line；17th, temperature is passed
Sensor I temperature measurement data line.
Embodiment
The present invention is described in detail with reference to embodiment and Figure of description, but not limited to this.
Embodiment 1,
As shown in Figure 1.
A kind of core holding unit of rock fever fracturing experiment, including：Dismountable annular seal space 14, in the annular seal space 14
Interior axial direction is provided with the sealing shroud 5 for holding rock core, it is characterised in that be provided with the top of the sealing shroud 6 for rock
The heater 13 of the side end face of the heart 5 one heating.
Upper plug head 7 and lower end cap 3 are respectively arranged with the two ends of the sealing shroud, medium note is through with upper plug head 7
Enter pipe 15 and temperature sensor II 9, medium outfall 4 and temperature sensor I 2 are through with the lower end cap 3.
The annular seal space 14 includes the housing 1 and lid 12 being tightly connected, and is provided with the side insertion of the lid 12
Confined pressure interface 11, for being pressurized to the space between annular seal space 14 and sealing shroud 6.
Embodiment 2,
A kind of core holding unit of rock fever fracturing experiment as described in Example 1, its difference is, the upper plug head
7 through being arranged in the lid 12, and the temperature measurement data line 16 of the medium ascending pipe 15 and temperature sensor II is by the lid
Body 12 is passed to the outside of annular seal space 14.
Embodiment 3,
A kind of core holding unit of rock fever fracturing experiment as described in Example 2, its difference is that the medium is let out
Outlet pipe 4 and temperature sensor I temperature measurement data line 17 are passed to the outside of annular seal space 14 by the lid 12.
The metallic cavity that housing 1 makes for exotic material, the rock core 5 in the sealing shroud 6, and hold at a certain temperature
By specified internal pressure；The upper end of housing 1 be circumferentially with the interface 8 of medium outfall, the interface 10 of medium ascending pipe, confined pressure interface 11,
Temperature sensor sealed interface etc., inside is connected with medium outfall 4 with the centre bore set in lower end cap 3；Medium outfall 4
It is connected with the interface 8 of medium outfall, the interface 8 of medium outfall is connected with outside medium effuser line, is test medium
Flow out rock core 5 and flow pass is provided；The top axial of housing 1 is provided with eccentric orfice, for installing upper plug head 7；The lower end of upper plug head 7 is set
High-temperature heating source is put, the centre bore of upper plug head 7 is connected with the interface 10 of medium ascending pipe, the interface 10 of medium ascending pipe is situated between with outside
Matter inflow line is connected, and is that circulation experiment medium enters the offer flow channel of rock core 5；The eccentric thermometric that the side of upper plug head 7 is opened up
Temperature sensor II 9 is arranged in hole, the upper surface temperature of rock core 5 is measured；Temperature is arranged in the eccentric thermometer hole set in lower end cap 3
Degree sensing I 2, measures the lower surface temperature of rock core 5, and the coefficient of heat conduction for calculating rock core provides technical parameter；Rock core 5 is by resistance to height
The high pressure resistant adiabatic sealing shroud 6 of temperature is coated, sealing shroud 6 and upper plug head 7 and the tight fitted seal of lower end cap 3, it is ensured that the upper surface of rock core 5
Do not occur seepage when being in close contact with upper plug head 7, the lower surface of rock core 5 and lower end cap 3, it is ensured that be filled in inside core holding unit
Confined pressure liquid is not penetrated into rock core 5, while ensuring that the test medium of circulation and/or saturation in rock core 5 does not penetrate into rock core folder
In holder internal chamber annular space.
Embodiment 4,
A kind of core holding unit of rock fever fracturing experiment as described in Example 1, its difference is, the lid 12
Including upper cover body and lower cover, the upper cover body and lower cover are sealed with the upper end of the housing and the bottom of housing respectively
Connection；
The upper plug head, which runs through, to be arranged in the upper cover body, the thermometric number of the medium ascending pipe and temperature sensor II
Passed according to line by the upper cover body to the outside of annular seal space；
The temperature measurement data line of the medium outfall and temperature sensor I is passed to outside annular seal space by the lower cover
Portion.
Embodiment 5,
A kind of core holding unit of rock fever fracturing experiment as described in Example 4, its difference is, the heater
Installed in the upper plug head lower end；Cooling source is additionally provided with the lower end cap.
The cooling source is refrigerator.
Embodiment 6,
The method of work of the core holding unit of rock fever fracturing experiment as described in embodiment 1-4, including：For simulating
Under saturation experiments ambient condition, unilateral end face is carried out to rock core and is heated, the temperature of rock core heating end face is heated to after predetermined value, right
Rock core stops heating, and then rock core is cooled down by medium ascending pipe and the circulation of medium outfall again.The present invention can be used for surveying
When must heat, cooling when rock core coefficient of heat conduction variation tendency, using test medium measure heating before, cooling after rock core permeate
Rate；Wherein described test medium is gas medium or liquid medium.
The described type of cooling is natural cooling, medium cooling or low-temperature receiver cooling.
The natural cooling refers to cool down the rock core after heating using the mode of blowdown piping.The blowdown piping
Refer to that medium feed line and medium are released into pipeline is vented.
The medium cooling refers to being passed through the gas medium or liquid medium that measure core permeability into the rock core after heating
Cooled down.
The low-temperature receiver cooling refers to the rock core that low-temperature receiver is passed through after heating and cooled down.Described low-temperature receiver refrigerator.
Embodiment 7,
The method of work of the core holding unit of rock fever fracturing experiment as described in embodiment 5, embodiment 6, including：For
Simulation carries out unilateral end face heating to rock core, while being cooled down to another side end face of rock core, rock under saturation experiments ambient condition
The temperature that the heart heats a side end face is heated to after predetermined value, and then rock core is stopped heating and cooled down again.Equilibrium rock core of the invention
Temperature to room temperature, when measuring heating respectively, cooling when rock core coefficient of heat conduction variation tendency, measure balanced rock using test medium
Core permeability after the heart to room temperature；Wherein described test medium is gas medium or liquid medium.Wherein cooling means is profit
Another side end face cooling of rock core is carried out with low-temperature receiver.
The mode of described balanced core temperature is nature equalization temperature, medium equalization temperature.
The natural equalization temperature refers to carry out the rock core after heating equalization temperature to room using the mode of blowdown piping
Temperature.The blowdown piping refers to that medium feed line and medium are released into pipeline is vented.
The medium equalization temperature refers to the gas medium or liquid medium that measure core permeability being passed through after heating
Rock core carries out equalization temperature to room temperature.
Claims (10)
1. a kind of core holding unit of rock fever fracturing experiment, including：Removable seal chamber, axially set in the annular seal space
It is equipped with the sealing shroud for holding rock core, it is characterised in that be provided with the top of the sealing shroud for giving the side end face of rock core one
The heater of heating.
2. the core holding unit of a kind of rock fever fracturing experiment according to claim 1, it is characterised in that described close
The two ends of big envelope are respectively arranged with upper plug head and lower end cap, and medium ascending pipe and temperature sensor II are through with upper plug head,
Medium outfall and temperature sensor I are through with the lower end cap.
3. the core holding unit of a kind of rock fever fracturing experiment according to claim 2, it is characterised in that described removable
Unloading annular seal space includes the housing and lid that are tightly connected, and the side insertion of the lid is provided with confined pressure interface, for close
The space supercharging sealed between chamber and sealing shroud.
4. the core holding unit of a kind of rock fever fracturing experiment according to claim 3, it is characterised in that described stifled
Head is through being arranged in the lid, and the temperature measurement data line of the medium ascending pipe and temperature sensor II is passed by the lid
To the outside of annular seal space.
5. a kind of core holding unit of rock fever fracturing experiment according to claim 3, it is characterised in that the medium
Outfall and temperature sensor I temperature measurement data line are passed to the outside of annular seal space by the lid.
6. a kind of core holding unit of rock fever fracturing experiment according to claim 3, it is characterised in that the lid
Including upper cover body and lower cover, the upper cover body and lower cover are sealed with the upper end of the housing and the bottom of housing respectively
Connection；
The upper plug head, which runs through, to be arranged in the upper cover body, the temperature measurement data line of the medium ascending pipe and temperature sensor II
Passed by the upper cover body to the outside of annular seal space；
The temperature measurement data line of the medium outfall and temperature sensor I is passed to the outside of annular seal space by the lower cover.
7. a kind of core holding unit of rock fever fracturing experiment according to claim 2-6 any one, its feature exists
In the heater is arranged on the upper plug head lower end；Cooling source is additionally provided with the lower end cap.
8. a kind of core holding unit of rock fever fracturing experiment according to claim 7, it is characterised in that the cooling
Source is refrigerator.
9. the method for work of the core holding unit of rock fever fracturing experiment as described in claim 1-5, it is characterised in that the work
Include as method：For simulating under saturation experiments ambient condition, unilateral end face is carried out to rock core and is heated, rock core heating end face
Temperature is heated to after predetermined value, and rock core is stopped to heat, then again by medium ascending pipe and the circulation of medium outfall to rock core
Cooling.
10. the method for work of the core holding unit of rock fever fracturing experiment as claimed in claim 7, it is characterised in that the work
Make method, including：For simulating under saturation experiments ambient condition, unilateral end face heating is carried out to rock core, while to rock core
Another side end face cooling, the temperature that rock core heats a side end face is heated to after predetermined value, then rock core is stopped plus hot and cold again
But.
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| CN201710283871.2A CN107044935A (en) | 2017-04-26 | 2017-04-26 | The core holding unit and its method of work of a kind of rock fever fracturing experiment |
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| CN201710283871.2A CN107044935A (en) | 2017-04-26 | 2017-04-26 | The core holding unit and its method of work of a kind of rock fever fracturing experiment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655932A (en) * | 2017-09-07 | 2018-02-02 | 中国石油大学(华东) | For studying the experimental provision of low temperature induction thermal stress fracturing and studying the experimental method of low temperature induction thermal stress fracturing using it |
| CN107796694A (en) * | 2017-09-27 | 2018-03-13 | 中南大学 | A kind of high temperature triaxial core hydraulic fracture clamper and its application method |
| CN109870349A (en) * | 2019-03-29 | 2019-06-11 | 中国矿业大学 | A kind of high temperature and pressure hydraulic pressure fracturing clamper and its test method |
| CN110031603A (en) * | 2019-05-10 | 2019-07-19 | 四川省科源工程技术测试中心 | Shale stripping gas real time monitoring apparatus |
| CN111335859A (en) * | 2018-12-18 | 2020-06-26 | 中国石油天然气股份有限公司 | Method and device for controlling formation of rock microcracks |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202267662U (en) * | 2011-07-01 | 2012-06-06 | 中联煤层气国家工程研究中心有限责任公司 | Rock core holder |
| CN104914229A (en) * | 2014-03-11 | 2015-09-16 | 中国石油化工集团公司 | Multi-parameter high-temperature high-pressure major diameter rock core holder |
| CN204719021U (en) * | 2015-03-20 | 2015-10-21 | 西南石油大学 | A kind of novel core holding unit |
| CN205049454U (en) * | 2015-09-17 | 2016-02-24 | 西南石油大学 | Rock core holder |
| CN205138890U (en) * | 2015-12-07 | 2016-04-06 | 长江大学 | Rock core holder with self -heating function |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
| CN206683950U (en) * | 2017-04-26 | 2017-11-28 | 中国石油大学(华东) | A kind of core holding unit of rock fever fracturing experiment |
-
2017
- 2017-04-26 CN CN201710283871.2A patent/CN107044935A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202267662U (en) * | 2011-07-01 | 2012-06-06 | 中联煤层气国家工程研究中心有限责任公司 | Rock core holder |
| CN104914229A (en) * | 2014-03-11 | 2015-09-16 | 中国石油化工集团公司 | Multi-parameter high-temperature high-pressure major diameter rock core holder |
| CN204719021U (en) * | 2015-03-20 | 2015-10-21 | 西南石油大学 | A kind of novel core holding unit |
| CN205049454U (en) * | 2015-09-17 | 2016-02-24 | 西南石油大学 | Rock core holder |
| CN205138890U (en) * | 2015-12-07 | 2016-04-06 | 长江大学 | Rock core holder with self -heating function |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
| CN206683950U (en) * | 2017-04-26 | 2017-11-28 | 中国石油大学(华东) | A kind of core holding unit of rock fever fracturing experiment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655932A (en) * | 2017-09-07 | 2018-02-02 | 中国石油大学(华东) | For studying the experimental provision of low temperature induction thermal stress fracturing and studying the experimental method of low temperature induction thermal stress fracturing using it |
| CN107796694A (en) * | 2017-09-27 | 2018-03-13 | 中南大学 | A kind of high temperature triaxial core hydraulic fracture clamper and its application method |
| CN111335859A (en) * | 2018-12-18 | 2020-06-26 | 中国石油天然气股份有限公司 | Method and device for controlling formation of rock microcracks |
| CN111335859B (en) * | 2018-12-18 | 2022-08-30 | 中国石油天然气股份有限公司 | Method and device for controlling formation of rock microcracks |
| CN109870349A (en) * | 2019-03-29 | 2019-06-11 | 中国矿业大学 | A kind of high temperature and pressure hydraulic pressure fracturing clamper and its test method |
| CN109870349B (en) * | 2019-03-29 | 2023-10-27 | 中国矿业大学 | High-temperature high-pressure hydraulic fracturing clamp holder and test method thereof |
| CN110031603A (en) * | 2019-05-10 | 2019-07-19 | 四川省科源工程技术测试中心 | Shale stripping gas real time monitoring apparatus |
| CN110031603B (en) * | 2019-05-10 | 2023-10-03 | 四川省科源工程技术测试中心有限责任公司 | Shale desorption gas real-time monitoring device |
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Application publication date: 20170815 |