CN106153499B - Microfluid observation experiment device and working method thereof - Google Patents
Microfluid observation experiment device and working method thereof Download PDFInfo
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- CN106153499B CN106153499B CN201610657973.1A CN201610657973A CN106153499B CN 106153499 B CN106153499 B CN 106153499B CN 201610657973 A CN201610657973 A CN 201610657973A CN 106153499 B CN106153499 B CN 106153499B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 19
- 239000004065 semiconductor Substances 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 18
- 239000012085 test solution Substances 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000007405 data analysis Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to a microfluid observation experiment device and a working method thereof, and the microfluid observation experiment device comprises: the chip position is used for placing the rock slice test model, and image acquisition devices are arranged on the periphery of the chip position and right above the chip position; the image acquisition device is suitable for shooting the distribution and the flow condition of the multiphase fluid in the rock slice test model. The invention forms the corresponding testing channel by the sequentially arranged sample suitable for being embedded into the corresponding rock core slice sample, the rock core slice sample can be correspondingly sequenced according to the density degree of the micro pore canals in the rock core slice sample to form different testing modes, so as to meet the testing of various types of rock core slices, and the distribution and the flow conditions of multiphase fluids in the corresponding micro pore canals in the rock core slice sample are clearly shot by the image acquisition devices arranged in multiple directions, so that the data analysis of the multiple rock core slice samples is conveniently carried out.
Description
Technical field
The present invention relates to a kind of microfluid observation experiment device transparent chips.
Background technology
Demand of the China to petroleum-based energy is growing at present, and the difficulty of oil exploration is continuously increased, and how research is into one
Step improves crude oil recovery ratio and has become pendulum urgent problem to be solved in face of researcher.
Currently, there is no well for the experiment test device of imitative core wafer sample.
Therefore, for the technical problem, need to design a kind of microfluid observation experiment device and its working method.
Invention content
The object of the present invention is to provide a kind of microfluid observation experiment device and its working method, it is suitable for completing more imitative rocks
Heart thin slice test sample, and by corresponding micro- in the image collecting device of multi-faceted the setting clearly imitative core wafer sample of shooting
The distribution of heterogeneous fluid and flow condition in view hole road, so that the mostly imitative core wafer sample of team carries out data analysis.
In order to solve the above technical problem, the present invention provides a kind of microfluid observation experiment devices, including：For placing
The chip position of sliver test model is mounted on image collecting device right over the surrounding of the chip position and chip position；It is described
Image collecting device is suitable for shooting the distribution of heterogeneous fluid and flow condition in sliver test model.
Further, the sliver test model includes：Transparent chips, the transparent chips are arranged in order equipped with several
Be suitable for the recess portion of embedded corresponding imitative core wafer sample, and be sequentially connected by corresponding runner between each recess portion, wherein
The inlet of first recess portion is connected with into liquid pool, and the liquid outlet of last recess portion is connected with clean-up pit；Positioned at the upper end of transparent chips
Face is sealed with transparent upper cover and the lower face of transparent chips is equipped with diaphragm type light source oled layer.
Further, described into being additionally provided with air inlet by liquid pool, and into the inlet of liquid pool and air inlet and the first recess portion it
Between be sequentially etched microbubble generation module, microbubble division module.
Further, the upper surface of the transparent upper cover is equipped with heat power supply device, the lower face of the diaphragm type light source oled layer
Equipped with cold source device；And the inlet of each recess portion is higher than the liquid outlet of the recess portion.
Further, the heat power supply device and cold source device include several upper and lower symmetrically arranged semiconductor refrigeration sheets；It is described
The hot junction of semiconductor refrigeration sheet in heat power supply device is affixed on the upper end surface of the transparent upper cover right over recess portion, the low-temperature receiver
The cold end of the semiconductor refrigeration sheet of device is affixed at the lower face of the diaphragm type light source oled layer immediately below recess portion；And institute
The area coverage for stating semiconductor refrigeration sheet is less than recess portion area.
Another aspect, the present invention also provides a kind of working methods of microfluid observation experiment device, i.e., are tested to sliver
Injection test solution in model, to shoot in sliver test model in each imitative core wafer sample multiphase flow in corresponding microcosmic duct
The distribution of body and flow condition.
Further, after heat power supply device, cold source device are powered, the temperature difference is formed in the upper and lower side of imitative core wafer sample, with
Test solution in imitative core wafer sample is promoted to permeate from the top down；After the diaphragm type light source oled layer is lighted, from transparent
The unilateral observation of chip imitates test solution in core wafer sample and permeates situation from the top down.
Further, the test solution is suitable for completing after permeating from the top down from upper one imitative core wafer sample, under
One imitative core wafer sample；And after testing solution into next imitative core wafer sample, the imitative core wafer sample is opened
Corresponding upper and lower semiconductor refrigeration sheet.
The invention has the advantages that the microfluid observation experiment device and its working method of the present invention can be by successively
The embedded accordingly imitative core wafer sample that is suitable for of arrangement constitutes corresponding TCH test channel, and imitating core wafer sample can be according to imitative rock core
The density degree in microcosmic duct is accordingly sorted in thin slice sample, to constitute different test modes, and then meets multiple types
Type core wafer is tested, and by corresponding micro- in the image collecting device of multi-faceted the setting clearly imitative core wafer sample of shooting
The distribution of heterogeneous fluid and flowing shape in view hole road
Condition, so that the mostly imitative core wafer sample of team carries out data analysis.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the vertical view of the microfluid observation experiment device of the present invention；
Fig. 2 is the side structure diagram of the sliver test model of the present invention；
Fig. 3 is the plan structure diagram of the sliver test model of the present invention.
In figure：
Sliver test model 1, transparent chips 100, imitative core wafer sample 101, runner 102, into liquid pool 103, row
Liquid pool 104, air inlet 105, microbubble generation module 106, microbubble divide module 107；
Transparent upper cover 2；
Diaphragm type light source oled layer 3, single OLED light source 301；
Heat power supply device 41, cold source device 42, semiconductor refrigeration sheet 400；
Image collecting device 5.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present invention provides a kind of microfluid observation experiment devices, including：It is surveyed for placing sliver
The chip position of die trial type 1 is mounted on image collecting device 5 right over the surrounding of the chip position and chip position；Described image
Harvester 5 is suitable for shooting the distribution of heterogeneous fluid and flow condition in sliver test model.
Described image harvester 5 such as, but not limited to uses ccd image sensor, is located at image collecting device 5 in Fig. 1
Dotted line indicate the coverage of the image collecting device 5.
Specifically, the sliver test model includes：Transparent chips 100, the transparent chips 100 be equipped with several according to
The recess portion for being suitable for embedded corresponding imitative core wafer sample 101 of secondary arrangement, and between each recess portion by corresponding runner 102 successively
It is connected, wherein the inlet in the first recess portion is connected with into liquid pool 103, the liquid outlet of last recess portion is connected with clean-up pit 104；Position
The lower face that transparent upper cover 2 and transparent chips 100 are sealed in the upper surface of transparent chips 100 is equipped with diaphragm type light source
Oled layer 3, the diaphragm type light source oled layer 3 have several single OLED light sources 301 in array distribution.
In test, first each imitative core wafer sample is respectively put into respective recess, it can be according to imitative core wafer sample
The density degree in microcosmic duct is ranked up in this, test solution can from the imitative core wafer sample positioned at the first recess portion according to
The secondary imitative core wafer sample for flowing through remaining each recess portion；Meanwhile diaphragm type light source oled layer lights, it can be under brightness appropriate
Observation test the solution distribution of heterogeneous fluid and flow condition in corresponding microcosmic duct in each imitative core wafer sample, also can be
Foam flooding experiment is carried out in the case of the microcosmic duct saturation crude oil of imitative rock core structure.
Preferably, a length of 5 millimeters of the runner 102, width are 1 millimeter, and depth is 10 microns.
Further, described into being additionally provided with air inlet 105 by liquid pool 103 and recessed into liquid pool 103 and air inlet 105 and first
Microbubble generation module 106, microbubble division module 107 have been sequentially etched between the inlet in portion.
Specifically, injected from by gas from air inlet, while by certain density surfactant solution (test solution)
It injects and is imitated in core wafer sample from the first inlet, gas-liquid two-phase is sent out in microbubble generation module and microbubble division module
Raw cutting division generates microcosmic foam, is then injected into the microcosmic duct in imitative core wafer sample.
Optionally, described to be etched in transparent upper cover 2 into liquid pool 103, clean-up pit 104, air inlet 105.
Optionally, the transparent chips use glass medium material, transparent upper cover to use quartz glass thin slice.
The upper surface of the transparent upper cover is equipped with heat power supply device, and the lower face of the diaphragm type light source oled layer is equipped with low-temperature receiver
Device；And the inlet of each recess portion is higher than the liquid outlet of the recess portion.
The heat power supply device and cold source device include several upper and lower symmetrically arranged semiconductor refrigeration sheets；The heat source dress
The hot junction for the semiconductor refrigeration sheet set is affixed on the upper end surface of the transparent upper cover right over recess portion, the cold source device
The cold end of semiconductor refrigeration sheet is affixed at the lower face of the diaphragm type light source oled layer immediately below recess portion；And it described partly leads
The area coverage of body refrigerating sheet is less than recess portion area.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 additionally provides a kind of working method of microfluid observation experiment device.
The working method includes：The injection test solution into sliver test model, it is each in sliver test model to shoot
The distribution of heterogeneous fluid and flow condition in corresponding microcosmic duct in imitative core wafer sample.
The microfluid observation experiment device is suitable for using microfluid observation experiment device described in embodiment 1.
Specifically, after heat power supply device, cold source device are powered, the temperature difference is formed in the upper and lower side of imitative core wafer sample, with
The temperature environment of subterranean strata is simulated, infiltration situation (fluid distrbution and flow condition) of the fluid in subterranean strata is analyzed, with
Test solution in imitative core wafer sample is promoted to permeate from the top down；After the diaphragm type light source oled layer is lighted, from transparent
The unilateral observation of chip imitates test solution in core wafer sample and permeates situation from the top down；Image collecting device 5 can be coordinated
It is observed.
The microfluid observation experiment device is additionally provided with the power interface of heat power supply device, cold source device, and the microfluid is seen
Processor module is equipped in detection experiment apparatus, to generate pwm signal for adjusting power interface output voltage and described micro-
Fluid observation experiment device is additionally provided with temperature sensor, to detect the temperature of semiconductor refrigeration sheet；And PWM letters can also be established
Number pulsewidth and the temperature of semiconductor refrigeration sheet between correspondence, i.e., the described processor module and keyboard and display module phase
Even, after setting the temperature difference, the processor module is suitable for generating corresponding pwm signal, to control semiconductor refrigeration sheet work.
Further, the test solution is suitable for completing after permeating from the top down from upper one imitative core wafer sample, under
One imitative core wafer sample；And after testing solution into next imitative core wafer sample, the imitative core wafer sample is opened
Corresponding upper and lower semiconductor refrigeration sheet.Specifically, can be carried out according to the density degree in microcosmic duct in imitative core wafer sample
Sequence, and independent control may be used in each semiconductor refrigeration sheet, so that all types of imitative core wafer samples obtain phase respectively
Different temperatures is answered, to enrich experimental data.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (5)
1. a kind of microfluid observation experiment device, which is characterized in that including：Chip position for placing sliver test model, should
It is mounted on image collecting device right over the surrounding of chip position and chip position；
Described image harvester is suitable for shooting the distribution of heterogeneous fluid and flow condition in sliver test model；
The sliver test model includes：Transparent chips, the transparent chips are suitable for insertion equipped with what several were arranged in order
The recess portion of corresponding imitative core wafer sample, and be sequentially connected by corresponding runner between each recess portion, wherein
It is connected with into liquid pool in the inlet of the first recess portion, the liquid outlet of last recess portion is connected with clean-up pit；
The lower face that transparent upper cover and transparent chips are sealed with positioned at the upper surface of transparent chips is equipped with diaphragm type light source OLED
Layer；
It is described into being additionally provided with air inlet by liquid pool, and be sequentially etched between liquid pool and air inlet and the inlet of the first recess portion
Microbubble generation module, microbubble divide module；
The upper surface of the transparent upper cover is equipped with heat power supply device, and the lower face of the diaphragm type light source oled layer is filled equipped with low-temperature receiver
It sets；And
The inlet of each recess portion is higher than the liquid outlet of the recess portion.
2. microfluid observation experiment device according to claim 1, which is characterized in that the heat power supply device and cold source device
Including several upper and lower symmetrically arranged semiconductor refrigeration sheets；
The hot junction of semiconductor refrigeration sheet in the heat power supply device is affixed on the upper end surface of the transparent upper cover right over recess portion,
The cold end of the semiconductor refrigeration sheet of the cold source device is affixed on the lower face of the diaphragm type light source oled layer immediately below recess portion
Place；And
The area coverage of the semiconductor refrigeration sheet is less than recess portion area.
3. a kind of working method of microfluid observation experiment device as described in claim 1, which is characterized in that
The injection test solution into sliver test model, it is corresponding micro- in each imitative core wafer sample to shoot in sliver test model
The distribution of heterogeneous fluid and flow condition in view hole road.
4. working method according to claim 3, which is characterized in that
After heat power supply device, cold source device are powered, the temperature difference is formed in the upper and lower side of imitative core wafer sample, to promote imitative rock core
Solution is tested in thin slice sample to permeate from the top down；
After the diaphragm type light source oled layer is lighted, is imitated in core wafer sample from the unilateral observation of transparent chips and test solution
Situation is permeated from the top down.
5. working method according to claim 4, which is characterized in that it is characterized in that,
The test solution is suitable for completing after permeating from the top down from upper one imitative core wafer sample, into next imitative core wafer
Sample；And
After testing solution into next imitative core wafer sample, opens this and imitate the corresponding upper and lower semiconductor of core wafer sample
Refrigerating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657973.1A CN106153499B (en) | 2016-08-11 | 2016-08-11 | Microfluid observation experiment device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657973.1A CN106153499B (en) | 2016-08-11 | 2016-08-11 | Microfluid observation experiment device and working method thereof |
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| Publication Number | Publication Date |
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| CN106153499A CN106153499A (en) | 2016-11-23 |
| CN106153499B true CN106153499B (en) | 2018-08-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500803Y (en) * | 2001-08-27 | 2002-07-17 | 石油大学(华东) | Visible physics simulation displacement plane model for oil displacement |
| CN103207257A (en) * | 2012-01-12 | 2013-07-17 | 中国科学院理化技术研究所 | Glass medium model imitating rock core structure |
| CN203626769U (en) * | 2014-01-03 | 2014-06-04 | 中国石油天然气股份有限公司 | Real sandstone microcosmic oil displacement model |
| CN104950095A (en) * | 2015-06-17 | 2015-09-30 | 常州大学 | Method for quantitatively analyzing core slice visualized displacement |
| CN105096719A (en) * | 2014-05-08 | 2015-11-25 | 中国海洋石油总公司 | Anisotropic two-dimensional visual sand filling model in simulation layer and two-dimensional visual seepage experimental device |
-
2016
- 2016-08-11 CN CN201610657973.1A patent/CN106153499B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500803Y (en) * | 2001-08-27 | 2002-07-17 | 石油大学(华东) | Visible physics simulation displacement plane model for oil displacement |
| CN103207257A (en) * | 2012-01-12 | 2013-07-17 | 中国科学院理化技术研究所 | Glass medium model imitating rock core structure |
| CN203626769U (en) * | 2014-01-03 | 2014-06-04 | 中国石油天然气股份有限公司 | Real sandstone microcosmic oil displacement model |
| CN105096719A (en) * | 2014-05-08 | 2015-11-25 | 中国海洋石油总公司 | Anisotropic two-dimensional visual sand filling model in simulation layer and two-dimensional visual seepage experimental device |
| CN104950095A (en) * | 2015-06-17 | 2015-09-30 | 常州大学 | Method for quantitatively analyzing core slice visualized displacement |
Non-Patent Citations (1)
| Title |
|---|
| 《聚合物纳米球驱在长庆油田特低渗透油藏中的适应性研究》;蔡永富 等.;《石油钻采工艺》;20130731;第35卷(第4期);第88-93页 * |
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| CN106153499A (en) | 2016-11-23 |
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