CN106482990B - Method for making fluid inclusion sheet - Google Patents
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- CN106482990B CN106482990B CN201510542167.5A CN201510542167A CN106482990B CN 106482990 B CN106482990 B CN 106482990B CN 201510542167 A CN201510542167 A CN 201510542167A CN 106482990 B CN106482990 B CN 106482990B
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Abstract
The invention provides a method for manufacturing a fluid inclusion sheet, which comprises the following steps in sequence: 1) cutting a plane of a rock sample, and polishing the plane; 2) injecting glue into the rock sample obtained in the step 1) by adopting glue; 3) solidifying the gel injected into the rock sample obtained in the step 2); and 4) adhering the polished surface of the rock sample obtained in the step 3) on a glass sheet by using glue, then slicing and polishing to obtain the fluid inclusion sheet, wherein the glue used in the step 2) is glue which is difficult to dissolve in acid, alkali and/or organic solvent; the glue used in step 4) is a glue which is easily soluble in acid, alkali and/or organic solvent. The manufacturing method provided by the invention can be used for manufacturing a more perfect fluid inclusion sheet, and providing service for obtaining the analysis result of the first-class fluid inclusion, and further providing service for geological research such as mineral deposit science, petroleum geology and the like.
Description
Technical Field
The invention relates to the field of mineral exploration, in particular to a method for manufacturing a fluid inclusion slice.
Background
Fluid inclusions existing in rock are the only research method capable of providing direct information of geological fluid activities in the geological evolution history process. Therefore, the research result of the fluid inclusion can be widely applied to the fields of mineral deposit science, petroleum geology, tectonics, fluid migration in the earth, the evolution process of a magmatic rock system and the like.
The traditional fluid inclusion slice manufacturing method mainly comprises two methods of direct grinding and glue boiling. The direct grinding method firstly cuts a plane on the rock and polishes the plane; then adhering the glass sheet with epoxy resin or fir glue and the like; then, the other side is cut flat and polished to the thickness of 20-60 μm. The glue boiling method basically has the same steps as the direct grinding method, namely, after the rock is cut into a plane and polished, the rock is put into glue to be boiled for 3-8 hours so that the glue penetrates into pores of the rock, and then the rock is stuck on the thin plate. However, with the first method, there are two problems in the test of the inclusion in the later stage of direct bonding of the rock, the first problem is to measure the temperature of the glass sheet, which easily causes the uniform temperature of the inclusion to be higher than the actual uniform temperature, and the higher the actual uniform temperature of the inclusion, the higher the test result; the second problem is that the inclusion piece is dissolved, and the method tests relatively accurately at a uniform temperature, but the inclusion piece is fragile and is not conducive to multiple tests and analyses on the same group. The glue boiling method can solve the problems of the first method, but the high-temperature glue boiling for a long time causes the destruction of the inclusion in the rock slice; meanwhile, the uniform temperature of the inclusion is too high, and the experimental error of the uniform temperature is difficult to estimate.
Disclosure of Invention
The invention aims to provide a method for manufacturing a fluid inclusion sheet, which overcomes the defects in the prior art.
The invention provides a method for manufacturing a fluid inclusion sheet, which comprises the following steps in sequence:
1) cutting a plane of a rock sample, and polishing the plane;
2) injecting glue into the rock sample obtained in the step 1) by adopting glue;
3) solidifying the gel injected into the rock sample obtained in the step 2); and
4) adhering the polished surface of the rock sample obtained in the step 3) on a glass sheet by using glue, then slicing and polishing to obtain the fluid inclusion sheet,
wherein the glue used in step 2) is a glue which is insoluble or insoluble in acid, alkali and/or organic solvent; the glue used in step 4) is a glue which is easily soluble in acid, alkali and/or organic solvent.
According to an embodiment of the invention, the glue used in step 2) is poorly soluble in acid and the glue used in step 4) is well soluble in acid. The acid used in the present invention refers to acids commonly used in the art, and includes organic acids or inorganic acids. Examples of the organic acid include formic acid, acetic acid, trifluoroacetic acid, propionic acid, benzoic acid and the like. Examples of the inorganic acid include hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, and the like.
According to an embodiment of the invention, the glue used in step 2) is poorly soluble in alkali and the glue used in step 4) is easily soluble in alkali.
According to an embodiment of the invention, the glue used in step 2) is poorly soluble in organic solvents, and the glue used in step 4) is readily soluble in organic solvents. The organic solvent used in the present invention refers to organic solvents commonly used in the art, such as acetone, methanol, ethanol, isopropanol, tetrahydrofuran, dimethylacetamide, dimethylformamide, or dimethylsulfoxide, or any mixture thereof. According to an embodiment of the invention, the glue used in step 2) is Petroepoxy 154. The use of Petroepoxy154 is recommended for three reasons: firstly, the mobility of the gel is the best when the Petrosepoxy 154 is at 40-60 ℃, and the gel is easy to inject into a rock slice; secondly, the glue is not dissolved in acid, alkali and other conventional organic solvents (acetone, alcohol and the like), so that the fluid inclusion sheet can be conveniently treated at a later stage; thirdly, the refractive index of the glue is 1.54, and the glue is consistent with that of quartz, thereby being beneficial to the observation and mineral identification of the fluid inclusion slice.
According to an embodiment of the invention, glue and rock samples can be placed in a teflon cup during glue injection, preferably with the depth of the glue touching the rock sample, and the teflon cup is then placed in a closed container.
According to an embodiment of the invention, the glue used in step 4) is glue 502 or fir or canadian resin.
According to the embodiment of the invention, the glue injection in the step 2) is carried out under the pressure of 0.1-2.0 MPa.
According to an embodiment of the present invention, the injecting glue of step 2) is performed at 20-60 ℃, preferably 40-60 ℃.
According to an embodiment of the present invention, the injecting glue of step 2) is performed under a pressure of 0.1-0.9MPa, preferably 0.3-0.7 MPa.
According to an embodiment of the present invention, the injecting of the glue according to step 2) is performed at a pressure of 1.1 to 2.0MPa, preferably 1.3 to 1.5 MPa. Preferably, said step 2) is carried out in an autoclave. Under high pressure conditions, the glue can be injected into the rock sample more quickly.
According to an embodiment of the present invention, the injecting glue of step 2) lasts for 1 to 3 hours, preferably 1 to 2 hours; more preferably 1-1.5 hours.
According to an embodiment of the present invention, depending on the nature of the glue used in step 2), step 3) may be carried out under normal temperature and heating conditions, as long as the glue is solidified.
The invention has the following beneficial effects: the whole slice manufacturing process does not influence the test analysis result of the fluid inclusion at the later stage; the manufactured rock slice can be dissolved from glass by adopting acetone and the like, and glue injected into the rock is not dissolved, so that the rock slice is not broken, the test analysis result of the fluid inclusion can be improved, and various test analyses can be carried out on the same group of inclusions; in addition, the method can not cause the problem that the actual uniform temperature of the inclusion is higher.
Therefore, the manufacturing method provided by the invention can be used for manufacturing a more perfect fluid inclusion sheet, and providing service for obtaining the analysis result of the first-class fluid inclusion, and further providing service for geological research such as mineral deposit science, petroleum geology and the like.
Detailed Description
The present invention is described in detail with reference to the following examples, but it should be noted that the following examples are only illustrative of some specific technical solutions of the present invention, and do not limit the scope of the claims of the present invention in any way.
The Petroepoxy154 used in the examples was purchased from Burnham petrograppics, USA; glue 502, fir glue, canadian resin are common types of rock chip making and are available from sterl, dalle, shenyang copocrystals or general chemical agents.
Example 1
The rock sample is cut out of a plane and the plane is polished. The polished rock was placed in a teflon cup and Petroepoxy154 was added to a depth that exceeded the rock sample. The teflon cup was placed in a high pressure casting apparatus at a pressure of 1.3MPa and a temperature of 40 ℃. After 1 hour, the rock sample was removed and left at room temperature (25 ℃) for 0.5 hour. And then, adhering the polished surface of the rock sample on a glass sheet by using fir glue, and then slicing and polishing to obtain the prepared fluid inclusion sheet.
Example 2
The rock sample is cut out of a plane and the plane is polished. The polished rock was placed in a teflon cup and Petroepoxy154 was added to a depth that exceeded the rock sample. The teflon cup was placed in a high pressure casting apparatus at a pressure of 1.1MPa and a temperature of 50 ℃. After 1.2 hours, the rock sample was removed and allowed to stand at ambient temperature (25 ℃) for 0.5 hour. The polished face of the rock sample was then adhered to a glass slide with epoxy, and then sliced and polished to produce a finished fluid-encapsulated sheet.
Example 3
The rock sample is cut out of a plane and the plane is polished. The polished rock was placed in a teflon cup and Petroepoxy154 was added to a depth that exceeded the rock sample. The teflon cup was placed in a closed container, evacuated to a pressure of 0.5MPa while heating to 45 ℃ for 1.5 hours. After 1.2 hours, the rock sample was removed and allowed to stand at ambient temperature (25 ℃) for 0.5 hour. The polished face of the rock sample was then adhered to a glass slide with glue 502, and then sliced and polished to produce a finished fluid-encapsulated sheet.
The whole slice manufacturing process does not influence the test analysis result of the fluid inclusion in the later period; the manufactured rock slice can be dissolved from glass by adopting acetone and the like, and glue injected into the rock is not dissolved, so that the rock slice is not broken, the test analysis result of the fluid inclusion can be improved, and various test analyses can be carried out on the same group of inclusions; in addition, the method can not cause the problem that the actual uniform temperature of the inclusion is higher.
Claims (9)
1. A method of making a fluid enclosure sheet, the method comprising the steps of, in order:
1) cutting a plane of a rock sample, and polishing the plane;
2) injecting glue into the rock sample obtained in the step 1) by adopting glue;
3) solidifying the gel injected into the rock sample obtained in the step 2); and
4) adhering the polished surface of the rock sample obtained in the step 3) on a glass sheet by using glue, then slicing and polishing to obtain the fluid inclusion sheet,
wherein the glue used in the step 2) is Petrosepoxy 154; the glue used in the step 4) is easily soluble in acid, alkali and/or organic solvent;
wherein, the glue injection in the step 2) is carried out under the condition of 20-60 ℃ and the pressure of 0.1-0.9MPa or 1.1-2.0 MPa.
2. The method of claim 1, wherein the organic solvent comprises at least one of acetone, methanol, ethanol, isopropanol, tetrahydrofuran, dimethylacetamide, dimethylformamide, and dimethylsulfoxide.
3. The method according to claim 1 or 2, wherein the glue used in step 4) is 502 glue or fir glue.
4. The method according to claim 1 or 2, wherein the injecting step 2) is performed at 40-60 ℃.
5. The method according to claim 1 or 2, wherein the injecting step 2) is performed under a pressure of 0.3 to 0.7 MPa.
6. The method according to claim 1, wherein the injecting step 2) is performed under a pressure of 1.3 to 1.5 MPa.
7. The method for manufacturing the composite material according to claim 1 or 2, wherein the glue injection in the step 2) lasts for 1-3 hours.
8. The method as claimed in claim 7, wherein the injecting step 2) lasts for 1-2 hours.
9. The method as claimed in claim 8, wherein the step 2) of injecting glue lasts for 1-1.5 hours.
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| CN201510542167.5A CN106482990B (en) | 2015-08-28 | 2015-08-28 | Method for making fluid inclusion sheet |
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| CN106482990B true CN106482990B (en) | 2020-10-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108051266B (en) * | 2017-11-30 | 2020-08-07 | 中国石油大学(华东) | Method for manufacturing field outcrop sandstone sample directional fluid inclusion slice |
| CN110926901B (en) * | 2019-12-26 | 2023-01-20 | 聂德新 | Preparation and measuring method of physical parameter index sample of fractured and overhead rock mass |
| CN113916621B (en) * | 2020-07-07 | 2024-04-30 | 中国石油化工股份有限公司 | Method for preparing inclusion slice sample and application thereof |
| CN112014185B (en) * | 2020-09-06 | 2021-06-25 | 中国科学院地球化学研究所 | Artificial synthesis method of fluid inclusion in quartz |
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| SU1659651A1 (en) * | 1988-08-11 | 1991-06-30 | Северо-Кавказский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Method for making rock polished sections |
| CN103592281A (en) * | 2013-10-28 | 2014-02-19 | 中国科学院地质与地球物理研究所 | Method for determining vapor-liquid ratio of fluid inclusion based on laser Raman Mapping |
| CN103712841A (en) * | 2014-01-06 | 2014-04-09 | 中国石油大学(华东) | Production method for rock salt fluid inclusion flakes |
| CN103823022A (en) * | 2014-02-26 | 2014-05-28 | 中国石油大学(华东) | System for artificial synthesis of oil-gas containing fluid inclusion |
| CN103868783A (en) * | 2014-03-05 | 2014-06-18 | 中国科学院广州地球化学研究所 | Thermal treatment method for inclusion chip applicable to micro laser raman analysis |
| CN104568545A (en) * | 2015-01-20 | 2015-04-29 | 中国石油大学(华东) | Manufacturing method of shale rock lamina |
-
2015
- 2015-08-28 CN CN201510542167.5A patent/CN106482990B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1659651A1 (en) * | 1988-08-11 | 1991-06-30 | Северо-Кавказский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Method for making rock polished sections |
| CN103592281A (en) * | 2013-10-28 | 2014-02-19 | 中国科学院地质与地球物理研究所 | Method for determining vapor-liquid ratio of fluid inclusion based on laser Raman Mapping |
| CN103712841A (en) * | 2014-01-06 | 2014-04-09 | 中国石油大学(华东) | Production method for rock salt fluid inclusion flakes |
| CN103823022A (en) * | 2014-02-26 | 2014-05-28 | 中国石油大学(华东) | System for artificial synthesis of oil-gas containing fluid inclusion |
| CN103868783A (en) * | 2014-03-05 | 2014-06-18 | 中国科学院广州地球化学研究所 | Thermal treatment method for inclusion chip applicable to micro laser raman analysis |
| CN104568545A (en) * | 2015-01-20 | 2015-04-29 | 中国石油大学(华东) | Manufacturing method of shale rock lamina |
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