CN203499659U - Corrosion sand-packed micro glass model used for displacement experiments - Google Patents
Corrosion sand-packed micro glass model used for displacement experiments Download PDFInfo
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- CN203499659U CN203499659U CN201320621441.4U CN201320621441U CN203499659U CN 203499659 U CN203499659 U CN 203499659U CN 201320621441 U CN201320621441 U CN 201320621441U CN 203499659 U CN203499659 U CN 203499659U
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Abstract
The utility model discloses a corrosion sand-packed micro glass model used for displacement experiments. The corrosion sand-packed micro glass model used for the displacement experiments comprises a base plate and a panel, a liquid injection port is formed in the panel, the base plate is provided with a groove formed through corrosion, the groove is filled with natural core powder or quartz sand in a certain particle size and the base plate and the panel are glued together. Due to the fact that the groove formed through corrosion is filled with the natural core powder or the quartz sand, observation is convenient, and meanwhile, pore throats with the size smaller than that of a pore path of a common glass corrosion model can be obtained, the requirements of micro-experiments at the level of several micrometers to tens of micrometers are met. Moreover, a sandstone particle surface with real cores is provided, the defect that the glass corrosion model is not provided with a sandstone particle surface is overcome, manufacturing is simple and the cost is low.
Description
Technical field
The utility model belongs to oil gas field technical field, relates in particular to a kind of etching back-up sand microcosmic glass model for displacement test.
Background technology
In research oilfield exploitation procedure, being used at present carrying out the physical model that driving mechanism research and all kinds of oil recovery chemical assistant research institute use mainly contains: natural core and artificial sand rock rock core glass plate are filled out husky model, after two glass pane surface are glued one deck quartz sand with organic or inorganic adhesive material, are bonded together.Above two kinds of physical models are used for carrying out macroscopical experimental study, carry out displacement Study on Microcosmic Mechanism, will use microcosmic glass etching model.It adopts photochemical etching technology, and physical dimension is little.Advantage is as follows: simulation displacement process is visual, can carry out image process and analysis, and reusing is good.
But, the glass etching model that displacement is at present used is except existing experimental facilities to require height, manufacture difficulty and cost of manufacture high, do not possess outside the inherent defect of sandstone particle surface of true core, the duct of its etching is all that zero point is several to any several millimeters conventionally, to requiring the experiment of smaller szie, as micron order or tens micron orders, be still difficult to meet the demands.
Utility model content
The purpose of this utility model is to provide a kind of etching back-up sand microcosmic glass model for displacement test, is intended to solve that existing glass etching modelling cost is high, the sandstone particle surface that does not possess true core and the problem that can not meet the requirement of smaller szie experiment.
The utility model is to realize like this, a kind of etching back-up sand microcosmic glass model for displacement test comprises base plate and panel, on panel, have liquid injection port, on base plate, there is the groove that is corroded out, the natural core powder or the quartz sand that in groove, are filled with certain order number, base plate and panel are cemented together.
Further, the surface of described natural core powder or quartz sand is equal with the uncorroded surface of base plate or a little more than backplate surface.
The beneficial effects of the utility model are as follows:
(1) natural core powder or quartz sand are filled in the groove eroding away, be convenient to observe, can obtain than the less pore throat of simple glass etching model pore size simultaneously, meet micron to the requirement of tens micron order microcosmos experiments, and particle surface and upper and lower glass pane surface are fixed by the mode of heating, both prevented from changing with adhesive material scab the wetability of sand grain surface, avoided again the movement of sand grains in experimentation, made to test reusing good.
(2) can in different grooves, fill the quartz sand that different meshes or different meshes are mixed, obtain the pore throat of different size.
(3) possess the sandstone particle surface of true core, overcome the shortcoming that glass etching model does not possess sandstone particle surface.
(4) easy to make, equipment and instrument require simple, and cost is low.
(5) model light transmission is high, visual good, is convenient to observe displacement process, conveniently carries out the sampling and processing of image.
Accompanying drawing explanation
Fig. 1 is the top view that the utility model embodiment is provided for the etching back-up sand microcosmic glass model of displacement test.
Fig. 2 is the lateral view that the utility model embodiment is provided for the etching back-up sand microcosmic glass model of displacement test.
Fig. 3 is the flow chart of the implementation method of the etching back-up sand microcosmic glass model for displacement test that provides of the utility model embodiment.
In figure: 1, liquid injection port; 2, panel; 3, base plate; 4, back-up sand unit.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 and Fig. 2 show the structure of the etching back-up sand microcosmic glass model for displacement test of the present utility model, as shown in the figure, the utility model is to realize like this, a kind of etching back-up sand microcosmic glass model for displacement test comprises base plate 3 and panel 2, on panel 2, have liquid injection port 1, on base plate 3, have the groove that is corroded out, be filled with natural core powder or the quartz sand of certain order number in groove, base plate and panel are cemented together.
Further, the surface of described natural core powder or quartz sand is equal with the uncorroded surface of base plate 3 or a little more than backplate surface.
Fig. 3 is the flow chart of the implementation method of the etching back-up sand microcosmic glass model for displacement test of the present utility model, as shown in the figure, comprise cutting glass plate and draw back-up sand region S101, open liquid injection port S102, erode away groove S103, fill quartz sand S104, analogue formation S105.Its concrete steps are as follows:
Step 1, by the glass plate of experimental design requirement cutting two 50mm * 50mm, thick 3mm, on two glass-board surfaces, draw the geometry in the back-up sand region of design, 4 wide 1.5mm in region wherein, 5,6, the 7 wide 0.8mm in region.
Step 2, on panel 2, need the place of perforate with Glass drill head, to get out the liquid injection port 1 of diameter 2mm.
Step 4, in each groove of base plate 3, insert individual layer quartz sand, layer of sand surface is flushed or a little more than base plate glass surface with the base plate glass surface not being corroded.The height of the permeability of zones of different is controlled by the order number of filling quartz sand and the dense degree between sand grains.Clean out recess edge quartz sand, guarantee that glass surface is clean.
Step 5, at panel 2 tappings, imbed stainless steel tube, panel 2 is overlying on base plate 3, model is put in chamber type electric resistance furnace, at the temperature of 600-700 degree Celsius, heat 10-30 minute, make glass softening bonding, fixing quartz sand particle simultaneously, cooling rear modelling can complete.
operating principle
Etching back-up sand microcosmic glass model for displacement test comprises base plate 3 and panel 2, on base plate 3, there is the groove that is corroded out, in groove, be filled with natural core powder or the quartz sand of certain order number, base plate and panel are cemented together, and the height of the permeability of zones of different is controlled by the order number of filling quartz sand and the dense degree between sand grains.
Concrete steps for the implementation method of the etching back-up sand microcosmic glass model of displacement test are as follows:
Step 1, by the glass plate of experimental design requirement cutting two 50mm * 50mm, thick 3mm, on two glass-board surfaces, draw the geometry in the back-up sand region of design, 4 wide 1.5mm in region wherein, 5,6, the 7 wide 0.8mm in region.
Step 2, on panel 2, need the place of perforate with Glass drill head, to get out the liquid injection port 1 of diameter 2mm.
Step 4, in each groove of base plate 3, insert individual layer quartz sand, layer of sand surface is flushed or a little more than base plate glass surface with the base plate glass surface not being corroded.The height of the permeability of zones of different is controlled by the order number of filling quartz sand and the dense degree between sand grains.Clean out recess edge quartz sand, guarantee that glass surface is clean.
Step 5, at panel 2 tappings, imbed stainless steel tube, panel 2 is overlying on base plate 3, model is put in chamber type electric resistance furnace, at the temperature of 600 degrees Celsius～700 degrees Celsius, heat 10 minutes～30 minutes, make glass softening bonding, fixing quartz sand particle simultaneously, cooling rear modelling can complete.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that performing creative labour can make or distortion still within protection domain of the present utility model.
Claims (2)
1. the etching back-up sand microcosmic glass model for displacement test, it is characterized in that, the described etching back-up sand microcosmic glass model for displacement test comprises base plate and panel, on panel, have liquid injection port, on base plate, there is the groove that is corroded out, in groove, be filled with natural core powder or quartz sand, base plate and panel are cemented together.
2. the etching back-up sand microcosmic glass model for displacement test as claimed in claim 1, is characterized in that, described natural core powder or the surface of quartz sand are equal with the uncorroded surface of base plate or higher than backplate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621441.4U CN203499659U (en) | 2013-10-09 | 2013-10-09 | Corrosion sand-packed micro glass model used for displacement experiments |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320621441.4U CN203499659U (en) | 2013-10-09 | 2013-10-09 | Corrosion sand-packed micro glass model used for displacement experiments |
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| CN203499659U true CN203499659U (en) | 2014-03-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954622A (en) * | 2014-04-17 | 2014-07-30 | 东北石油大学 | Artificial microscopic simulation physical model and manufacturing method thereof |
| CN106437697A (en) * | 2016-11-03 | 2017-02-22 | 西南石油大学 | Simulate five-spot network micro carve visualization model and apply method |
| CN107100600A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of water drive microscopic remaining oil model for displacement test |
| CN109387469A (en) * | 2017-08-11 | 2019-02-26 | 北京大地高科地质勘查有限公司 | A kind of matrix water-sensitive Effect Evaluation method |
| CN110412203A (en) * | 2019-06-28 | 2019-11-05 | 中国石油大学(华东) | A kind of simulation oil wetting carbonate cements transport the method for visualizing of poly- influence on petroleum |
| CN110412204A (en) * | 2019-06-28 | 2019-11-05 | 中国石油大学(华东) | A kind of method for visualizing simulated more phase oil chargings and Carbonate mineral cementation is influenced |
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2013
- 2013-10-09 CN CN201320621441.4U patent/CN203499659U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954622A (en) * | 2014-04-17 | 2014-07-30 | 东北石油大学 | Artificial microscopic simulation physical model and manufacturing method thereof |
| CN107100600A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of water drive microscopic remaining oil model for displacement test |
| CN106437697A (en) * | 2016-11-03 | 2017-02-22 | 西南石油大学 | Simulate five-spot network micro carve visualization model and apply method |
| CN109387469A (en) * | 2017-08-11 | 2019-02-26 | 北京大地高科地质勘查有限公司 | A kind of matrix water-sensitive Effect Evaluation method |
| CN110412203A (en) * | 2019-06-28 | 2019-11-05 | 中国石油大学(华东) | A kind of simulation oil wetting carbonate cements transport the method for visualizing of poly- influence on petroleum |
| CN110412204A (en) * | 2019-06-28 | 2019-11-05 | 中国石油大学(华东) | A kind of method for visualizing simulated more phase oil chargings and Carbonate mineral cementation is influenced |
| CN110412204B (en) * | 2019-06-28 | 2021-10-12 | 中国石油大学(华东) | Visualization method for simulating influence of multi-stage oil filling on carbonate cementation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141009 |
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| EXPY | Termination of patent right or utility model |