CN111175107A - Artificial electrode core sealing treatment method - Google Patents
Artificial electrode core sealing treatment method Download PDFInfo
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- CN111175107A CN111175107A CN202010133359.1A CN202010133359A CN111175107A CN 111175107 A CN111175107 A CN 111175107A CN 202010133359 A CN202010133359 A CN 202010133359A CN 111175107 A CN111175107 A CN 111175107A
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- core
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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Abstract
The invention relates to a method for processing the sealing performance of an artificial electrode core, which is characterized in that a core end cover is manufactured by adopting an aluminum alloy flat plate with a certain thickness and a fixed size, the size of the core end cover depends on the size of a long-strip electrode core, sealing grooves are respectively arranged on the front surface and the rear surface of the core end cover, the sealing grooves are square annular grooves, the manufactured core end cover is adhered to two ends of the long-strip electrode core by using glue, a layer of glue is scraped on the surface of the long-strip core, gaps between the surface of the long-strip core and each electrode are sealed, the pouring glue of the core is prevented from flowing into the long-strip core along the electrode when the core is poured, and the electrode is bent. According to the invention, the sealing performance of the whole strip core is enhanced simultaneously by two modes of designing the sealing groove on the core end cover and bending the core electrode into a Z shape, so that the problem of oil leakage of the artificial electrode core is solved.
Description
The technical field is as follows:
the invention relates to the field of artificial core preparation processes, in particular to a method for processing the sealing property of an artificial electrode core.
Background art:
the conventional artificial core is very mature, but a further research is needed on a method for manufacturing an electrode core with high sealing performance. In the experiment of rock core displacement, the leakproofness of rock core has decided whether the displacement experiment can go on smoothly, has decided the accuracy of experiment.
The invention content is as follows:
the invention aims to provide a man-made electrode core sealing treatment method which is used for solving the sealing problem of a man-made electrode core.
The technical scheme adopted by the invention for solving the technical problems is as follows: the method for processing the sealability of the artificial electrode core comprises the following steps:
(1) designing a core end cover, determining the size of a long-strip core according to experimental needs, determining the length and width of the core end cover according to the long-strip core, wherein the core end cover is formed by superposing two cuboids, the small cuboid is arranged in the front of a large cuboid in the middle, sealing grooves are arranged on the front surface and the rear surface of the core end cover respectively, the sealing grooves are square ring grooves, the sealing groove in the front of the core end cover surrounds the small cuboid, the sealing groove in the rear of the core end cover is arranged corresponding to the sealing groove in the front of the core end cover, and a threaded hole is;
(2) manufacturing a core end cover, selecting an aluminum alloy plate with proper hardness, and drilling and milling grooves by using a numerical control machine according to the design;
(3) manufacturing a strip core, and cutting a flat core with an electrode into the strip core with the size required by the experiment;
(4) adhering core end covers and frictioning at two ends of the long-strip core, adhering the manufactured core end covers at two ends of the long-strip core by using glue, scraping a layer of glue on the surface of the long-strip core, sealing gaps between the surface of the long-strip core and each electrode, and preventing the glue from flowing into the long-strip core along the electrodes when the core is poured;
(5) and pouring a strip core, bending each electrode on the strip core into a Z shape, putting the strip core into a pouring mold, pouring prepared glue into the pouring mold, standing and airing.
In the scheme, in the step (1), the distance between the sealing groove and the edge of the core end cover is 3mm, the groove width is 3mm, and the groove depth is 3 mm.
In the scheme, in the step (2), the length, width and height of the large cuboid are respectively 45mm, 45mm and 10mm, the length, width and height of the small cuboid are respectively 25mm, 25mm and 10mm, the size of the threaded hole is M8-1, and the depth is 12 mm.
In the scheme, in the step (3), the length, the width and the height of the flat core are 308mm, 308mm and 45mm respectively, and the length, the width and the height of the long core are 308mm, 45mm and 45mm respectively.
The invention has the following beneficial effects:
1. the novel process is adopted, the sealing grooves are arranged on the front surface and the rear surface of the core end cover, and the sealing grooves can enhance the sealing performance of two ends of the strip core.
2. The core electrode is bent into a Z shape, so that the sealing property of the poured core is enhanced, and oil leakage is prevented.
3. According to the invention, a layer of glue is scraped on the surface of the strip core, so that a gap between the surface of the core and the electrode is sealed, and the glue is prevented from flowing into the core along the electrode during core pouring.
Description of the drawings:
fig. 1 is a front view of a core cap according to the present invention.
Fig. 2 is a rear view of a core end cap according to the present invention.
Fig. 3 is a schematic view of an elongated core according to the present invention.
Fig. 4 is a schematic view of a core end cover and core combined structure according to the present invention.
FIG. 5 is a schematic view of a zigzag electrode on a core of the present invention.
In the figure: 1 rock core end cover, 2 seal grooves, 3 threaded holes, 4 electrodes.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1-5, the artificial electrode core sealing treatment method adopts an aluminum alloy flat plate with a certain thickness and a fixed size to manufacture a core end cover, and a sealing groove designed in advance is processed on the end cover. According to experimental requirements, a high-sealing strip electrode core is manufactured, and the size of an end cover of the high-sealing strip electrode core depends on the size of the strip electrode core. The method for enhancing the tightness of the artificial electrode core is to add high-strength end covers with sealing grooves at two ends of a long-strip electrode core and bend the electrode into a Z shape when the core is poured. According to the invention, the sealing performance of the whole strip core is enhanced simultaneously by two modes of designing the sealing groove on the core end cover and bending the core electrode into a Z shape. The method comprises the following specific steps:
(1) the core end cover 1 is designed by using Solidworks software, the overall thickness of the end cover is 20mm, and the length and the width of the end cover are determined according to the core. The size of the produced long strip cores was 45 x 300mm according to the experimental requirements, and therefore the end caps were dimensioned to be 45 x 10mm and 25 x 10mm in combination.
(2) Manufacturing a core end cover 1, selecting an aluminum alloy plate with proper hardness, and drilling and milling grooves by using a numerical control machine according to the design; the sizes of the two large cuboids and the two small cuboids are 45 × 10mm and 25 × 10mm respectively, the threaded hole 3 is positioned in the middle of the upper surface of the end cover, the size of the threaded hole 3 is M8-1, and the depth is 12 mm. The reason for using aluminum alloy is that aluminum alloy is light and strong.
(3) Manufacturing a strip core, and cutting the flat core with the electrode 4 into the strip core with the size required by the experiment, as shown in fig. 3; the dimensions of the flat core were 308 x 45mm and the dimensions of the long core were 45 x 308 mm.
(4) Sticking end covers on the long-strip rock core and scraping glue, sticking the manufactured rock core end covers 1 on two ends of the long-strip rock core by using glue, and scraping a layer of glue on the surface of the long-strip rock core at the same time, as shown in figure 4; scrape the one deck on rectangular rock core surface and glue, seal the gap of rock core surface and 4 departments of electrode, glue flows into inside the rock core along 4 departments of electrode when preventing that the rock core from pouring.
(5) And (3) pouring a long-strip core, bending the electrode on the long-strip core into a Z shape as shown in fig. 5, then putting the long-strip core into a pouring mold, pouring the prepared glue into the pouring mold, standing and airing. The electrode 4 is bent into a Z shape, so that the sealing performance of the poured rock core at the electrode 4 is enhanced, and oil leakage is prevented.
Example 1:
this example produced 308 by 45mm long strips of core.
(1) A core end cover is designed by using Solidworks software, the overall thickness of the end cover is 20mm, and the length and the width of the end cover are determined according to the core. The dimensions of the produced long strip cores were 45 x 300mm according to the experimental requirements, and therefore the end caps were dimensioned to be 45 x 10mm and 25mm x 10mm in combination.
The core end cover is provided with a sealing groove, the width of the sealing groove is 3mm, and the depth of the sealing groove is 3 mm. A threaded hole is designed in the center of the upper surface of the core end cover, the size of the threaded hole is M8-1, and the depth of the threaded hole is 12mm, as shown in figures 1 and 2.
(2) And manufacturing a core end cover, selecting an aluminum alloy plate with proper hardness, and drilling and milling grooves by using a numerical control machine according to the design.
(3) Long strip cores were made and 308 x 45mm flat plate cores with electrodes were cut into 308 x 45mm long strip cores, as shown in fig. 3.
(4) End covers are stuck on the long-strip core and glue is scraped, the end covers of the core made by glue are stuck at two ends of the long-strip core, and meanwhile, a layer of glue is scraped on the surface of the long-strip core, as shown in figure 4.
(5) And (3) pouring a long-strip core, bending the electrode on the long-strip core into a Z shape as shown in fig. 5, then putting the long-strip core into a pouring mold, pouring the prepared glue into the pouring mold, standing and airing.
According to the invention, the sealing groove is designed on the core end cover, the electrodes on the core are arranged in a Z shape, and the sealing property of the artificial electrode core is greatly improved by combining the two modes. Therefore, the artificial electrode core sealing treatment method has important significance for petroleum development research experiments and perfecting the artificial electrode core manufacturing process.
Claims (4)
1. A method for processing the sealing performance of an artificial electrode core is characterized by comprising the following steps:
(1) designing a core end cover (1), determining the size of a strip core according to experimental needs, determining the length and width of the core end cover (1) according to the strip core, wherein the core end cover (1) is formed by superposing two cuboids, the small cuboid is arranged in front of the large cuboid in the middle, sealing grooves (2) are formed in the front surface and the rear surface of the core end cover (1), each sealing groove (2) is a square ring groove, the sealing groove (2) in front of the core end cover (1) surrounds the small cuboid, the sealing groove (2) in the rear of the core end cover (1) is arranged corresponding to the sealing groove (2) in front of the core end cover (1), and a threaded hole (3) is arranged in the middle in front of the core;
(2) manufacturing a core end cover (1), selecting an aluminum alloy plate with proper hardness, and drilling and milling grooves by using a numerical control machine according to the design;
(3) manufacturing a strip core, and cutting the flat core with the electrode (4) into the strip core with the size required by the experiment;
(4) adhering core end covers and scraping glue at two ends of the long-strip core, adhering the manufactured core end covers at two ends of the long-strip core by using glue, scraping a layer of glue on the surface of the long-strip core, sealing gaps between the surface of the long-strip core and each electrode (4), and preventing the glue from flowing into the long-strip core along the electrodes (4) when the core is poured;
(5) and pouring a strip core, bending each electrode (4) on the strip core into a Z shape, putting the strip core into a pouring mold, pouring prepared glue into the pouring mold, standing and airing.
2. The artificial electrode core tightness processing method according to claim 1, characterized in that: in the step (1), the distance between the sealing groove (2) and the edge of the core end cover (1) is 3mm, the groove width is 3mm, and the groove depth is 3 mm.
3. The artificial electrode core tightness processing method according to claim 2, characterized in that: in the step (2), the length, width and height of the large cuboid are respectively 45mm, 45mm and 10mm, the length, width and height of the small cuboid are respectively 25mm, 25mm and 10mm, the size of the threaded hole is M8-1, and the depth is 12 mm.
4. The artificial electrode core tightness processing method according to claim 3, characterized in that: in the step (3), the length, width and height of the flat core are 308mm, 308mm and 45mm respectively, and the length, width and height of the long core are 308mm, 45mm and 45mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133359.1A CN111175107A (en) | 2020-03-01 | 2020-03-01 | Artificial electrode core sealing treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010133359.1A CN111175107A (en) | 2020-03-01 | 2020-03-01 | Artificial electrode core sealing treatment method |
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| Publication Number | Publication Date |
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| CN111175107A true CN111175107A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010133359.1A Withdrawn CN111175107A (en) | 2020-03-01 | 2020-03-01 | Artificial electrode core sealing treatment method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701887A (en) * | 2009-11-04 | 2010-05-05 | 青岛石大石仪科技有限责任公司 | Multifunctional triaxial core clamping device |
| CN101798921A (en) * | 2010-02-21 | 2010-08-11 | 大庆油田有限责任公司 | Corestone manufacture method |
| CN103978542A (en) * | 2014-06-05 | 2014-08-13 | 东北石油大学 | Corestone compaction device |
| CN104267174A (en) * | 2014-10-25 | 2015-01-07 | 吴建平 | Rock core holder |
| CN106769784A (en) * | 2017-02-10 | 2017-05-31 | 西南石油大学 | A kind of multi-functional heterogeneous core simulator |
| CN107807224A (en) * | 2017-10-18 | 2018-03-16 | 西南石油大学 | A kind of Multifunctional core clamp holder |
-
2020
- 2020-03-01 CN CN202010133359.1A patent/CN111175107A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701887A (en) * | 2009-11-04 | 2010-05-05 | 青岛石大石仪科技有限责任公司 | Multifunctional triaxial core clamping device |
| CN101798921A (en) * | 2010-02-21 | 2010-08-11 | 大庆油田有限责任公司 | Corestone manufacture method |
| CN103978542A (en) * | 2014-06-05 | 2014-08-13 | 东北石油大学 | Corestone compaction device |
| CN104267174A (en) * | 2014-10-25 | 2015-01-07 | 吴建平 | Rock core holder |
| CN106769784A (en) * | 2017-02-10 | 2017-05-31 | 西南石油大学 | A kind of multi-functional heterogeneous core simulator |
| CN107807224A (en) * | 2017-10-18 | 2018-03-16 | 西南石油大学 | A kind of Multifunctional core clamp holder |
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Application publication date: 20200519 |