CN205982265U - Experimental device for simulated rock crack normal water rock interact - Google Patents
Experimental device for simulated rock crack normal water rock interact Download PDFInfo
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- CN205982265U CN205982265U CN201621040959.9U CN201621040959U CN205982265U CN 205982265 U CN205982265 U CN 205982265U CN 201621040959 U CN201621040959 U CN 201621040959U CN 205982265 U CN205982265 U CN 205982265U
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- rock
- water
- simulation
- hydraulic pressure
- petrofacies interaction
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Abstract
The utility model discloses a water rock interact experimental apparatus in the simulated rock crack, including the supply tank, it is continuous with the water inlet of rock fracture water rock interact simulator that the supply tank passes through the delivery pipe, and the delivery port of rock fracture water rock interact simulator passes through the wet return and links to each other with the supply tank again, forms a water circle device, rock fracture water rock interact simulator includes the rock fracture face that is formed by the concatenation of rock sample, is equipped with branch pool and gathering ground with rock fracture face intercommunication around the rock sample, and between minute pool and target rock sample gathering ground and target rock sample between all be equipped with pressure sensor, temperature sensor, pressure sensor and temperature sensor link to each other with data processing device.
Description
Technical field
This utility model is related to a kind of experimental provision of the water petrofacies interaction in simulation rock crack, and specifically one
Plant the experimental provision of repercussion effect between subsoil water and the rock that can simulate under different fluidised forms in rock fracture, this reality
Belong to the technical fields such as groundwater science and engineering with new.
Background technology
In recent years, with to the underground space such as underground storage cave of nuclear waste disposal cavern, oil and natural gas etc.
Development and utilization, occurs the water petrofacies interaction in rock fracture to arouse widespread concern.In these subsurface rocks
In engineering, under the conditions of rock is in the water chemistry of complexity, extremely complex water petrofacies interaction will be there is.In water petrofacies interaction
Carrying out during, rock can be corroded dissolving, and its corrosion material is taken away by aqueous solution or adsorbed precipitation, so that rock
Structural plane, the pore structure of rock change a lot.These changes occur mainly in rock fracture, and it can lead to rock
Property there is great change, finally material impact is produced to the safety of these underground rock project.
Current stage, research is main to concentrate water petrofacies interaction counterincision in the research to rock fracture water petrofacies interaction
In the research of the mechanical property of gap rock and Penetration Signature.By being placed in fissure rock in different water chemistry solution, with this
To study water petrofacies interaction to the surface microscopical structure of fissure rock and the impact of mechanical property and to rock seepage characteristic
Impact.Generally, experimental period is longer, controlled variable few it is impossible to realize in different fluidised forms as under turbulent condition
Research to the water petrofacies interaction in rock fracture.
With respect to research before, this experimental provision can simulate between aqueous solution and fissure rock under different fluidised forms
Water petrofacies interaction carry out situation, obtain controlled hydraulic pressure and flow velocity by adjusting water pump, so that aqueous solution with required fluidised form and is split
Gap rock reacts.Its controlled variable is many, can study different hydraulic pressure, flow velocity, gap width, aqueous solution original state etc. because
In the lower rock fracture of element water petrofacies interaction carry out situation, and structure is simple, simple operation, can greatly shorten experimental period,
There is wide applicability.Therefore it all has very big use in Practical Project and scientific research.
Utility model content
Main purpose of the present utility model is, overcomes the deficiencies in the prior art, provides one kind can simulate rock fracture
Inside it is in the subsoil water of different fluidised forms and the experimental provision of the interphase interaction of rock.
Technical problem to be solved in the utility model be provide that a kind of structure is simple, simple operation, the mould of highly effective
Intend the experimental provision of the water petrofacies interaction in rock fracture.It can obtain controlled hydraulic pressure and flow velocity by adjusting water pump, short
Simulate in phase the subsoil water being under turbulent flow or laminar condition in rock fracture and rock interphase interaction carry out situation.
This utility model solves above-mentioned technical problem and be employed technical scheme comprise that：
A kind of water petrofacies interaction experimental provision in simulation rock crack, including water tank；Described water tank passes through to supply water
Pipe is connected with the water inlet of rock fracture water petrofacies Interaction Simulation device, described rock fracture water petrofacies Interaction Simulation device
Outlet is linked back water tank by return pipe, forms a water circle device；Described rock fracture water petrofacies Interaction Simulation device
Including the rock fracture face being spliced by rock sample, it is provided with before and after described rock sample and connects with rock fracture face
Point pool and gathering ground；And divide between pool and target rock sample, in described gathering ground and target rock in described
It is equipped with hydraulic pressure sensor, temperature sensor, described hydraulic pressure sensor and temperature sensor are filled with data processing between sample
Put connected, carry out middle hydraulic pressure and temperature real-time change situation for collection display experiment.
Further, described point pool, gathering ground are embedded on the corrosion resistant plate of hollow position by each 1 piece up and down
The poly (methyl methacrylate) plate of corresponding groove position is formed, that is, going up the gap being formed between lower glass plate is point pool and a gathering ground.
Further, described rock fracture face is embedded in corresponding on the corrosion resistant plate of hollow position by each 3 pieces up and down
The rock sample of groove position is spliced, and rock sample is processed into by general core.
Further, described hydraulic pressure sensor, temperature sensor are plugged on the described corrosion resistant plate having hollow position
Interior.
Further, the crack of described rock fracture water petrofacies Interaction Simulation device is by the hollow silicon in the complete the inside in edge
Rubber cushion simulation forms, and can change gap width by changing the thickness of silicagel pad.
Further, the outside of described target rock sample and poly (methyl methacrylate) plate is sealed by sealing plate.
Further, described water tank is closed tank, including water return outlet, feed water inlet, gas outlet and water intaking valve；Its
In, water return outlet and gas outlet are located at tank top, and feed water inlet and water intaking valve are located at water tank bottom.
Further, water pump and effusion meter are provided with described feed pipe；Wherein, described water pump is high-pressure pump, leads to
Overregulating water pump can make aqueous solution obtain certain hydraulic pressure and flow velocity so as to be in turbulent flow or laminar condition.
The method that in simulation rock crack, the experimental provision of water petrofacies interaction is tested is as follows：
The aqueous solution in water tank is made to obtain controlled hydraulic pressure and flow velocity so as to flow into rock fracture water petrofacies by adjusting water pump
Interaction Simulation device；In rock fracture water petrofacies Interaction Simulation device, aqueous solution first flows through a point pool and is uniformly distributed to
In crack, then flow through hydraulic pressure sensor and temperature sensor, with detect enter rock fracture in face of aqueous solution hydraulic pressure and
Temperature level, then current flow through rock fracture face and interact with rock, reacted after outflow, measure the hydraulic pressure of current
And temperature level, flow subsequently through and after gathering ground pools together, flow out rock fracture water petrofacies Interaction Simulation device, Ran Houtong again
Cross return pipe reflow tank and form water circulation, finally realize under dynamic condition to the water petrofacies interaction experiment mould in rock fracture
Intend.
In described method, collection and the reacted aqueous solution of rock sample at set intervals, carry out target indicator and divide
Analysis test, takes out one of rock sample simultaneously at set intervals and carries out electron-microscope scanning experiment, in study of rocks crack
The corrosion condition to rock surface for the water petrofacies interaction；Finally realize water petrofacies interaction in rock fracture under dynamic condition
Simulation.
Compared with prior art, of the present utility model have the advantage that as follows：
1. the rock fracture face described in is made up of the splicing of polylith rock sample, and rock sample is easy to process, can be by general rock
Core processes；Additionally, during experiment is carried out, need to take out one of rock sample at set intervals and carry out Electronic Speculum
Scanning experiment, now can supplement a new rock sample in its position, so will not delay the progress of experiment, simultaneously as rock
The surface area of sample less also will not have adverse effect on to experimental precision, therefore can effectively shorten experimental period.
2. the structure design of rock fracture water petrofacies Interaction Simulation device can make the aqueous solution being under turbulent flow and crack rock
Stone reacts, the limitation that can only be tested under static or laminar condition before overcoming, and can achieve difference fluidised forms
Under simulation to the water petrofacies interaction in rock fracture.
3., in experimental provision, the described display screen of data processing equipment can directly display water outlet pressure, temperature becomes in real time
Change curve, and data file can be directly generated, with respect to other logging modes, so can convenient accurate record water outlet
Pressure and the situation of change of temperature, improve conventional efficient and precision.
4. the sealing radiator described in is provided with gas outlet, when injecting aqueous solution toward in water tank, can lead to the gas in water tank
Cross gas outlet to discharge, the gas that so can effectively restrain in water tank when experiment is carried out is dissolved in aqueous solution, prevents it to reality
Test result to have a negative impact.
5. in experimental provision, before being arranged on the hydraulic pressure sensor energy accurate measurement water outlet petrofacies interaction of part under fissure-plane
Hydraulic pressure afterwards, calculates and obtains differential water pressures and hydraulic gradient.With respect to being installed in other positions, it is arranged on and can obtain below crack
Obtain more precise and stable pressure value, thus improving the precision of experiment.
6. this experimental provision can need to configure different target rock samples and water according to actual demands of engineering or experiment
Solution, applied widely, practical.
Brief description
Fig. 1 is the experimental provision structural representation of water petrofacies interaction in a kind of simulation rock crack of the present utility model.
Fig. 2 is the profile of rock fracture water petrofacies Interaction Simulation device of the present utility model.
Fig. 3 is the plane graph of fissure-plane on the downside of rock fracture water petrofacies Interaction Simulation device of the present utility model.
Wherein：1. water tank, 2. feed pipe, 3. water pump, 4. effusion meter, 5. rock fracture water petrofacies Interaction Simulation device, 6.
Data processing equipment, 7. hydraulic pressure sensor, 8. temperature sensor, 9. return pipe, 10. water inlet, 11. simulate the hollow close of gaps
Packing, 12. points of pools, 13. rock fracture faces, 14. gathering grounds, 15. outlets, 16. sealing plates, 17. have hollow position not
Rust steel plate.
Specific embodiment
For more fully understanding this utility model, with reference to the accompanying drawings and examples this utility model is further retouched
State.
The experimental provision of water petrofacies interaction, its structure such as Fig. 1,2,3 in a kind of simulation rock crack of the present utility model
Shown.Water tank 1 that it includes being sequentially connected, feed pipe 2, water pump 3, effusion meter 4, rock fracture water petrofacies Interaction Simulation device 5,
Data processing equipment 6, hydraulic pressure sensor 7, temperature sensor 8 and return pipe 9.The described top of feed pipe 2 and water tank 1 bottom
Feed water inlet be connected, be sequentially connected water pump 3, effusion meter 4 afterwards, then the end of feed pipe 2 and rock fracture water petrofacies interaction
It is connected with the water inlet 10 of simulator 5；The described top of return pipe 9 and the outlet of rock fracture water petrofacies Mutual simulation device 5
15 are connected, and then the end of return pipe 9 is connected with the water return outlet on water tank 1 top, is consequently formed a water circle device.
As shown in Figure 2,3, described rock fracture water petrofacies Interaction Simulation device 5 includes water inlet 10, simulates gap
Gathering ground 14 that point pool 12 that hollow seal pad 11, poly (methyl methacrylate) plate are formed, rock fracture face 13, poly (methyl methacrylate) plate are formed,
Outlet 15, sealing plate 16 and the corrosion resistant plate 17 having hollow position.Additionally, described point of pool and target rock sample it
Between, be equipped with hydraulic pressure sensor 7, temperature sensor 8 between described gathering ground and target rock sample, they pass through wire
Data processing meanss 6 are connected, and the display screen on data processing equipment 6 can directly display the real-time change of water outlet pressure and temperature
Situation.
Further, the described stainless-steel sheet 17 having hollow position has 1 size successively by water (flow) direction is 48*
48*10mm lucite board slot position, 1 pressure tap (thermometer hole), 3 sizes linking together are the rock of 48*48*10mm
Stone sample groove position, 1 pressure tap (thermometer hole), 1 size are 48*48*10mm lucite board slot position.Wherein, lucite
The form and position tolerance of board slot position and rock sample groove position is 1mm；Pressure tap (thermometer hole) is female thread structure, is made up of two parts,
Bottom is diameter 2mm, and the cylindrical hole of high 2mm is connected with fissure-plane, and top is the cylindrical hole of diameter 6mm, insertion corrosion resistant plate,
Corrosion resistant plate containing pressure tap is located at the lower section of fissure-plane, and the corrosion resistant plate containing thermometer hole is located at the top of fissure-plane.Institute
Rock sample, poly (methyl methacrylate) plate, hydraulic pressure sensor and the temperature sensor stated are installed on the corrosion resistant plate of hollow position
Correspondence position.
Further, the hollow seal pad 11 in described simulation gap is the hollow silicagel pad in the complete the inside in edge, its work
With being simulation gap and controlling gap width；Described sealing plate 16 and the corrosion resistant plate 17 having hollow position with hollow seal pad 11 are
The plane of symmetry symmetrically place by structure, wherein, is sealing plate 16 and the corrosion resistant plate 17 having hollow position from outside to inside respectively.
During experiment is carried out, the aqueous solution in water tank 1 flows through water pump 3 and effusion meter 4 successively by feed pipe 2, adjusts
Water saving pump 3 makes current obtain certain intake pressure, recycles effusion meter 4 to measure flow velocity and the flow of current, subsequent current
Flow into rock fracture water petrofacies Interaction Simulation device 5.In rock fracture water petrofacies Interaction Simulation device 5, cylindrical current stream
Uniform and stable being distributed on fissure-plane behind point pool 12 that poly (methyl methacrylate) plate is formed first；Flow through hydraulic pressure sensor 7 afterwards
With temperature sensor 8, measure the hydraulic pressure of current and temperature before water petrofacies interaction；Subsequently current flow into rock fracture face 13 and rock
Stone reacts, and the water chemistry solution after having reacted again flows through hydraulic pressure sensor 7 and temperature sensor 8, measures water petrofacies mutual
Hydraulic pressure after the completion of effect and temperature, flow subsequently through poly (methyl methacrylate) plate formation gathering ground 14 pool together after from rock fracture
The outlet 15 of water petrofacies Interaction Simulation device 5 flows out, then by, in return pipe 9 reflow tank 1, forming water circulation.
Collection at set intervals and the reacted aqueous solution of rock sample, carry out target indicator analysis test, often simultaneously
Take out one of rock sample every a period of time and carry out electron-microscope scanning experiment, the water petrofacies interaction pair in study of rocks crack
The corrosion condition of rock surface.Finally realize the simulation of the water petrofacies interaction in rock fracture under dynamic condition.
The experimental provision operating process of water petrofacies interaction in a kind of simulation rock crack that this utility model provides is：
Step 1, experiment material prepare：Configuration experimental solution, according to experiment purpose with the situation ensureing reaction rate
The lower aqueous solution configuring certain ion concentration and pH value；Required rock sample is fetched from objective area according to experiment purpose, by it
Being processed into the smooth size of surfacing is 48*48*10mm rock sample, with water, sample wash is clean afterwards, to prevent rock
Stone specimen surface impurity has a negative impact to experiment, is then placed on 48h in the thermostatic drying chamber that temperature is 45 DEG C again, so
It is placed on afterwards under vacuum environment, to accelerate to test speed again；
Step 2, connect each device：Target rock sample is placed in rock fracture water petrofacies Interaction Simulation device, it
Afterwards hydraulic pressure sensor and temperature sensor are separately mounted in pressure tap and thermometer hole, by wire by they and data processing
Device is connected and regulates relevant routes and power supply, then uses feed pipe and outlet pipe more respectively by water tank, water pump, effusion meter,
Rock fracture water petrofacies Interaction Simulation device couples together；
Prepare before step 3, experiment：Inject appropriate aqueous solution toward in water tank, open pump switch, adjust water from small to large
Pump hydraulic pressure value, observes the whether leak of whole assay device, if leak, needs the attachment means reinstalled at leak it is ensured that it is close
Feng Xing.After sealing sexual satisfaction requires, adjust water pump and make aqueous solution flow through rock fracture water petrofacies interaction under required fluidised form
Simulator, after on the display of following pending data processing meanss, the hydraulic curve of each hydraulic pressure sensor is stable, then starts to read
Take each pressure value and temperature value；
Step 4, experiment carry out the stage：When being designated as when stablizing with the hydraulic curve of each hydraulic pressure sensor on display starting
Between, hereafter take every 20 days one piece of rock sample to carry out electron-microscope scanning experiment, observe the corrosion condition of rock surface, often simultaneously
The water intaking valve opened on water tank every 20 days takes sub-fraction aqueous solution to be tested and analyzed, the ion concentration in research aqueous solution
Change and the situation of change of pH value；After the ion concentration in aqueous solution and pH value tend towards stability, the experiment of this group completes.
Step 5, when needing to carry out the factors such as the hydraulic pressure in study of rocks crack, gap width, the original state of aqueous solution to water
During the affecting laws of petrofacies interaction, contrast experiment need to be carried out.Change the target factor of required research, other can affect water petrofacies
The factor of interaction then keeps constant, repeat step 1-4, until required contrast experiment is fully completed.
After the completion of step 6, all experiments, it is vented the water in water tank and all loops, by the water row in water pump and effusion meter
Only, all experiment appliances have been put in order in case use later again.
In above-mentioned process of the test, adjusting water pump can make aqueous solution obtain certain hydraulic pressure and flow velocity so that water-soluble liquid energy exists
Rock fracture water petrofacies Interaction Simulation device is flowed through in the state of turbulent flow or laminar flow；By dividing in water petrofacies Interaction Simulation device
Pool and gathering ground, realize stable water pressure output；The hydraulic pressure temperature monitoring of precision is installed on water petrofacies Interaction Simulation device
System can measure hydraulic pressure and temperature before and after aqueous solution and rock reaction, it is possible to resolve hydraulic pressure temperature survey problem；Water petrofacies interaction
Replacement can be taken out by monolithic with the rock sample on simulator, experimental period can be shortened；Rational change aqueous solution original state, rock
The factors such as stone type, hydraulic pressure, flow velocity, can achieve the simulation to the water petrofacies interaction in rock fracture under difference operating mode.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel do not need to pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (7)
1. the water petrofacies interaction experimental provision in a kind of simulation rock crack is it is characterised in that include water tank；Described water tank
It is connected with the water inlet of rock fracture water petrofacies Interaction Simulation device by feed pipe, described rock fracture water petrofacies interaction
The outlet of simulator is passed through return pipe and is connected with water tank again, forms a water circle device；Described rock fracture water petrofacies
Interaction Simulation device includes the rock fracture face being spliced by rock sample, is provided with and rock before and after described rock sample
Point pool and the gathering ground of stone fissure-plane connection；And divide between pool and target rock sample, in described polywater in described
It is equipped with hydraulic pressure sensor, temperature sensor, described hydraulic pressure sensor and temperature sensor between area and target rock sample
It is connected with data processing equipment.
2. the water petrofacies interaction experimental provision in simulation rock crack as claimed in claim 1 is it is characterised in that described
Rock fracture face is spliced by the rock sample of each 3 pieces up and down corrosion resistant plate corresponding groove positions being embedded in hollow position, rock
Stone sample is processed into by general core.
3. the water petrofacies interaction experimental provision in simulation rock crack as claimed in claim 1 is it is characterised in that described
Point pool, gathering ground are embedded in the lucite plate shape of corresponding groove position on the corrosion resistant plate of hollow position by each 1 piece up and down
Become, that is, going up the gap being formed between lower glass plate is point pool and a gathering ground.
4. the water petrofacies interaction experimental provision in simulation rock crack as claimed in claim 2 is it is characterised in that described
Hydraulic pressure sensor, temperature sensor be all plugged on described have in corresponding hole position in the corrosion resistant plate of hollow position, hydraulic pressure passes
Sensor is connected with temperature sensor equal data processing meanss, and the display screen on data processing equipment can be shown that hydraulic pressure and temperature
Real-time change situation and according to surveyed data genaration curve chart.
5. the water petrofacies interaction experimental provision in simulation rock crack as claimed in claim 1 is it is characterised in that described
Target rock sample and poly (methyl methacrylate) plate are sealed by sealing plate.
6. the water petrofacies interaction experimental provision in simulation rock crack as claimed in claim 1 is it is characterised in that described
Feed pipe be provided with water pump and effusion meter, described water pump be high-pressure pump.
7. according to the water petrofacies interaction experimental provision in a kind of simulation rock crack described in claim 1 it is characterised in that institute
The water tank stated is closed tank, including water return outlet, feed water inlet, gas outlet and water intaking valve；Wherein, water return outlet and gas outlet are located at
Tank top, feed water inlet and water intaking valve are located at water tank bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040959.9U CN205982265U (en) | 2016-09-07 | 2016-09-07 | Experimental device for simulated rock crack normal water rock interact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040959.9U CN205982265U (en) | 2016-09-07 | 2016-09-07 | Experimental device for simulated rock crack normal water rock interact |
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| Publication Number | Publication Date |
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| CN205982265U true CN205982265U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621040959.9U Expired - Fee Related CN205982265U (en) | 2016-09-07 | 2016-09-07 | Experimental device for simulated rock crack normal water rock interact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198932A (en) * | 2016-09-07 | 2016-12-07 | 山东大学 | The experimental provision of water petrofacies interaction and method in a kind of simulation rock crack |
-
2016
- 2016-09-07 CN CN201621040959.9U patent/CN205982265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198932A (en) * | 2016-09-07 | 2016-12-07 | 山东大学 | The experimental provision of water petrofacies interaction and method in a kind of simulation rock crack |
| CN106198932B (en) * | 2016-09-07 | 2018-08-31 | 山东大学 | The experimental provision and method of water lithofacies interaction in a kind of simulation rock crack |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |