CN105443089A - Method for preparing microcosmic oil displacement glass model - Google Patents
Method for preparing microcosmic oil displacement glass model Download PDFInfo
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- CN105443089A CN105443089A CN201510868706.4A CN201510868706A CN105443089A CN 105443089 A CN105443089 A CN 105443089A CN 201510868706 A CN201510868706 A CN 201510868706A CN 105443089 A CN105443089 A CN 105443089A
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- plate glass
- base plate
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- ink
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Abstract
The invention relates to a preparation process of an indoor microcosmic oil displacement model for simulating a middle-low permeability reservoir and the oil displacement process in an oilfield chemical laboratory and an acid fracturing laboratory, in particular to a method for preparing a microcosmic oil displacement glass model. The method for preparing the microcosmic oil displacement glass model is simple in process and low in cost. The oil displacement model prepared through the method is high in precision and firm in structure. The method for preparing the microcosmic oil displacement glass model comprises the following steps of pre-washing, silk-screen printing, printing ink drying, corroding, sintering and hole drilling.
Description
Technical field
The present invention relates to a kind of manufacture craft of the indoor microcosmic oil drive model for LOW PERMEABILITY RESERVOIR in oilfield chemistry laboratory and acid fracturing laboratory simulation and oil displacement process.
Background technology
The method that prior art makes the employing of similar glass model is photoetching technique, its preparation process is as follows: casting body flake pattern is made mask plate through photoetching, then through the process such as front baking, exposure, development, fixing (post bake), by design transfer on glass substrate, cleaned by burn into, boning with glass cover-plate forms glass model.Because of the manufacture craft of its complexity, there is significant shortcoming in this glass model:
(1) cost of manufacture is expensive: mask plate makes needs expensive litho machine, litho machine price from hundreds of thousands to millions of not etc., add the cost of manufacture of glass model;
(2) technology yield rate is low: when carrying out Graphic transitions by mask plate shading, there will be graphic defects; There will be when simultaneously ultraviolet etc. irradiate that light is uneven causes figure uneven distribution in follow-up developing process even, thus cause graphic defects;
(3) process-cycle is long: model integral manufacturing link is complicated, need through links such as front baking, exposure, development, post bakes, and each link needs the suitable time, thus causes the mould processing cycle long;
(4) defect ware rate is high: each link processing conditions such as front baking, exposure, development, post bake is complicated, harsh, and there is certain danger and risk, cause model sample to prepare unsuccessfully, defect ware rate is high;
(5) security performance is low: after etching, glass is with glass cover in conjunction with insecure, not only can not meet experimental pressure requirement and cause waste, even may cause security incident.
Summary of the invention
The technical problem to be solved in the present invention is to provide the preparation method of the microcosmic oil drive glass model that a kind of technique is simple, cost is low, and the oil displacement model precision using the method obtained is high, structure is firm.
The preparation method of microcosmic oil drive glass model of the present invention, comprises the steps:
Prerinse; Get out two blocks of glass, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, then clean by clean water, put into insulating box and dry to moisture and eliminate;
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 30 ~ 50 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; Base plate glass after oven dry is put into hydrofluoric acid corrosion pond to corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry;
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 2 ~ 3 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
The preparation method of microcosmic oil drive glass model of the present invention, wherein the size of base plate glass and cover-plate glass is 76*76*3mm.
The preparation method of microcosmic oil drive glass model of the present invention, wherein in the prerinse stage, when drying base plate glass, bake out temperature is 100 DEG C, and drying time is 3 ~ 5 minutes.
The preparation method of microcosmic oil drive glass model of the present invention, wherein in drilling stage, is 1.5mm to base plate glass institute hole diameter.
The preparation method of microcosmic oil drive glass model of the present invention, wherein in the corrosion stage, in hydrofluoric acid corrosion pond, the degree of depth of hydrofluoric acid solution is less than the thickness of base plate glass; Base plate glass is printed on one of ink logo face down put into hydrofluoric acid corrosion pond.
Preparation method's difference with the prior art of microcosmic oil drive glass model of the present invention is: 1. use screen printing technique to be directly printed on base plate glass by oil reservoir plate, after being dried by ink, to base plate glass corrosion to obtain fluid course.Serigraphy belongs to computer printing technology, has that precision is high, an advantage that speed is fast, low to environmental requirement, oil reservoir domain quick nondestructive can be printed in the surface of base plate glass.The present invention adopts the oil reservoir domain of dryer to printing to dry, and makes the combination of ink and base plate glass more firm, thus lays a good foundation for follow-up successful corrosion.2. sinter front, hole rear; The benefit so designed is, forms a closed cavity when sintering between base plate glass and cover-plate glass, this cavity closed defines a protective cover, avoids fluid course by warm too high, thus make fluid course deformation not occur, the available protecting quality of fluid course; In addition, so design it also avoid in enclosed cavity and continues to enter air, thus when cover-plate glass and base plate glass are merged, there is no the impact of air (especially oxygen), thus improve the bond strength of base plate glass and cover-plate glass, the lifting for resistance to oil pressure performance provides possibility and 3. adopts sintering technology base plate glass and cover-plate glass to be merged.Sintering technology makes base plate glass be combined more close and firm with cover-plate glass, makes displacement of reservoir oil simulate effect more true to nature, and avoids the generation of cover-plate glass and base plate glass separation case when follow-up model test of the reservoir sweep.In addition when sintering, be placed on by base plate glass on level and smooth ceramic wafer, the object of so design is because level and smooth pottery and base plate glass can not bond, and avoids the bonding of base plate glass and Muffle furnace base plate.It should be noted that the introducing just because of screen printing technique, just make to corrode the fluid course degree of depth obtained consistent, border is distinct, and this be that the application of sintering technology provides possibility, avoids the situation generation that fluid course in sintering process is blocked.
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the top view of the microcosmic oil drive model using the preparation method of a kind of microcosmic oil drive glass model of the present invention to prepare;
Fig. 2 is the base plate glass being printed with oil reservoir plate.
Detailed description of the invention
The preparation method of a kind of microcosmic oil drive glass model of the present invention, comprises the steps:
Prerinse; Get out the glass that two pieces of sizes are 76*76*3mm, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, and then clean by clean water, put into insulating box and dry to moisture elimination, more accurate drying parameter is: bake out temperature is 100 DEG C, drying time 3 ~ 5 minutes.
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 30 ~ 50 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; By dry after base plate glass be printed on ink logo one face down put into hydrofluoric acid corrosion pond corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry;
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 2 ~ 3 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
In order to verify the superiority of the microcosmic oil drive glass model using the technology of the present invention to prepare, first respectively produced test specimen according to the scheme of embodiment one, embodiment two and embodiment three, the photoetching technique comparing main flow at present simultaneously introduced according to [background technology] has made comparative sample.Prepare in sample in the various scheme of employing and all record has been done to cost of manufacture and Production Time.
Embodiment one
A preparation method for microcosmic oil drive glass model, comprises the steps:
Prerinse; Get out the glass that two pieces of sizes are 76*76*3mm, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, and then clean by clean water, put into insulating box and dry to moisture elimination, more accurate drying parameter is: bake out temperature is 100 DEG C, drying time 3 minutes.
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 30 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; By dry after base plate glass be printed on ink logo one face down put into hydrofluoric acid corrosion pond corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry;
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 2 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
Embodiment two
A preparation method for microcosmic oil drive glass model, comprises the steps:
Prerinse; Get out the glass that two pieces of sizes are 76*76*3mm, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, and then clean by clean water, put into insulating box and dry to moisture elimination, more accurate drying parameter is: bake out temperature is 100 DEG C, drying time 4 minutes.
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 40 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; By dry after base plate glass be printed on ink logo one face down put into hydrofluoric acid corrosion pond corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry; It should be noted that the degree of depth of hydrofluoric acid solution in hydrofluoric acid corrosion pond should be less than the thickness of base plate glass, its objective is that the back side in order to avoid base plate glass is also corroded; And when the degree of depth of hydrofluoric acid solution is greater than the thickness of base plate glass, the back side of base plate glass will be corroded out hole groove, this can cause the sintering quality in follow-up sintering stage and have a strong impact on.
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 2.5 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
Embodiment three
A preparation method for microcosmic oil drive glass model, comprises the steps:
Prerinse; Get out the glass that two pieces of sizes are 76*76*3mm, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, and then clean by clean water, put into insulating box and dry to moisture elimination, more accurate drying parameter is: bake out temperature is 100 DEG C, drying time 5 minutes.
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 50 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; By dry after base plate glass be printed on ink logo one face down put into hydrofluoric acid corrosion pond corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry;
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 3 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
Fabrication cycle, yield rate and resistance to oil pressure contrast
The yield rate of microcosmic oil drive model of producing embodiment one, embodiment two, embodiment three and existing photoetching technique respectively and resistance to oil pressure performance are verified, add the statistics to fabrication cycle, obtain following table data:
As can be seen from the above table, with regard to fabrication cycle, embodiment one, embodiment two and embodiment three test specimen are 1/3 of photolithographic contrast's samples; With regard to yield rate is used, the test specimen yield rate that embodiment one, embodiment two and embodiment three are produced is 100% substantially, and compared to the yield rate 82% that existing photoetching technique is produced, the present invention essentially eliminates the generation of defect ware; With regard to resistance to oil pressure value, embodiment one, embodiment two and embodiment three test specimen are 2.3 ~ 3 times of photolithographic contrast's sample.This shows, the present invention highly shortened the fabrication cycle of microcosmic oil drive model, and in sizable degree, but improve the yield rate of microcosmic oil drive glass model and resistance to oil pressure performance, therefore the present invention has huge promotional value.
Preparation method's difference with the prior art of microcosmic oil drive glass model of the present invention is: 1. use screen printing technique to be directly printed on base plate glass by oil reservoir plate, after being dried by ink, to base plate glass corrosion to obtain fluid course.Serigraphy belongs to computer printing technology, has that precision is high, an advantage that speed is fast, low to environmental requirement, oil reservoir domain quick nondestructive can be printed in the surface of base plate glass.The present invention adopts the oil reservoir domain of dryer to printing to dry, and makes the combination of ink and base plate glass more firm, thus lays a good foundation for follow-up successful corrosion.2. sinter front, hole rear; The benefit so designed is, forms a closed cavity when sintering between base plate glass and cover-plate glass, this cavity closed defines a protective cover, avoids fluid course by warm too high, thus make fluid course deformation not occur, the available protecting quality of fluid course; In addition, so design it also avoid in enclosed cavity and continues to enter air, thus when cover-plate glass and base plate glass are merged, there is no the impact of air (especially oxygen), thus improve the bond strength of base plate glass and cover-plate glass, the lifting for resistance to oil pressure performance provides possibility and 3. adopts sintering technology base plate glass and cover-plate glass to be merged.Sintering technology makes base plate glass be combined more close and firm with cover-plate glass, makes displacement of reservoir oil simulate effect more true to nature, and avoids the generation of cover-plate glass and base plate glass separation case when follow-up model test of the reservoir sweep.In addition when sintering, be placed on by base plate glass on level and smooth ceramic wafer, the object of so design is because level and smooth pottery and base plate glass can not bond, and avoids the bonding of base plate glass and Muffle furnace base plate.It should be noted that the introducing just because of screen printing technique, just make to corrode the fluid course degree of depth obtained consistent, border is distinct, and this be that the application of sintering technology provides possibility, avoids the situation generation that fluid course in sintering process is blocked.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (5)
1. the preparation method of microcosmic oil drive glass model, comprises the steps:
Prerinse; Get out two blocks of glass, wherein one piece as base plate glass, and another block is as cover-plate glass; Two blocks of glass are respectively with acetone or cleaning solution cleaning, then clean by clean water, put into insulating box and dry to moisture and eliminate;
Serigraphy; Base plate glass is taken out from insulating box, is placed on screen process press and carries out silk screening ink, so that oil reservoir plate is printed on base plate glass;
Ink is dried; Base plate glass after serigraphy is put into drying baker to dry 30 ~ 50 minutes at 100 DEG C, to make ink and base plate glass strong bonded;
Corrosion; Base plate glass after oven dry is put into hydrofluoric acid corrosion pond to corrode, become fluid course with partial corrosion base plate glass not being covered ink; Ink can come off from base plate glass gradually by the corrosion of hydrofluoric acid therebetween, when the ink on base plate glass surface departs from completely, base plate glass taken out from corrosion pond and uses flowing clear water to rinse 30 minutes, being then placed in clear water and soaking 24 hours, and then rinse 20 minutes; Finally put into drying baker to dry;
Sintering; First one piece of level and smooth ceramic wafer is placed in Muffle furnace, then base plate glass is placed on ceramic wafer surface, then cover-plate glass is aligned and be fitted in the side that base plate glass has fluid course; Then Muffle furnace is heated to 480 DEG C, and Muffle furnace keeps stopping heating after 2 ~ 3 minutes at 480 DEG C of temperature, bonds to make base plate glass and cover-plate glass; Base plate glass after finally to be bonded and cover-plate glass are cooled to room temperature;
Boring; Two apertures are made a call in the back side of base plate glass, one of them aperture is connected with a port of fluid course formation liquid injection port, another aperture is connected with another port of fluid course formation liquid flowing outlet, and so far microcosmic oil drive glass model completes.
2. the preparation method of a kind of microcosmic oil drive glass model according to claim 1, is characterized in that: the size of base plate glass and cover-plate glass is 76*76*3mm.
3. the preparation method of a kind of microcosmic oil drive glass model according to claim 1, is characterized in that: in the prerinse stage, and when drying base plate glass, bake out temperature is 100 DEG C, and drying time is 3 ~ 5 minutes.
4. the preparation method of a kind of microcosmic oil drive glass model according to claim 1, is characterized in that: in drilling stage, is 1.5mm to base plate glass institute hole diameter.
5. the preparation method of a kind of microcosmic oil drive glass model according to claim 1, is characterized in that: in hydrofluoric acid corrosion pond, the degree of depth of hydrofluoric acid solution is less than the thickness of base plate glass; In corrosion the stage, base plate glass is printed on one of ink logo face down put into hydrofluoric acid corrosion pond.
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| CN201510868706.4A CN105443089B (en) | 2015-12-03 | 2015-12-03 | The preparation method of microcosmic oil drive glass model |
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| CN201510868706.4A CN105443089B (en) | 2015-12-03 | 2015-12-03 | The preparation method of microcosmic oil drive glass model |
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| CN105443089B CN105443089B (en) | 2018-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116181317A (en) * | 2023-02-23 | 2023-05-30 | 西南石油大学 | Device and method for testing displacement effect of plugging gel of rough fracture surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116181317A (en) * | 2023-02-23 | 2023-05-30 | 西南石油大学 | Device and method for testing displacement effect of plugging gel of rough fracture surface |
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| CN105443089B (en) | 2018-05-22 |
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