CN114199652A - Method for rapidly preparing rock slices on drilling site - Google Patents
Method for rapidly preparing rock slices on drilling site Download PDFInfo
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- CN114199652A CN114199652A CN202010988065.7A CN202010988065A CN114199652A CN 114199652 A CN114199652 A CN 114199652A CN 202010988065 A CN202010988065 A CN 202010988065A CN 114199652 A CN114199652 A CN 114199652A
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- 239000011435 rock Substances 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 238000000227 grinding Methods 0.000 claims abstract description 96
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000004043 dyeing Methods 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 32
- 229910003460 diamond Inorganic materials 0.000 claims description 29
- 239000010432 diamond Substances 0.000 claims description 29
- 239000003292 glue Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000003086 colorant Substances 0.000 claims description 11
- JKYKXTRKURYNGW-UHFFFAOYSA-N 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C(O)=C(O)C(S(O)(=O)=O)=C2 JKYKXTRKURYNGW-UHFFFAOYSA-N 0.000 claims description 9
- -1 potassium ferricyanide Chemical compound 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 210000005224 forefinger Anatomy 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000000861 blow drying Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 description 16
- 229910010271 silicon carbide Inorganic materials 0.000 description 12
- 239000011162 core material Substances 0.000 description 7
- 239000006059 cover glass Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000011092 Hand injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- 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
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
-
- 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
-
- 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
- G01N2001/2866—Grinding or homogeneising
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a method for quickly preparing a rock slice on a drilling site, which comprises the following steps: cementing the rock sample, grinding the rock sample, manufacturing the rock slice sample, dyeing the rock slice sample and sealing and marking the rock slice. The method can quickly prepare the rock slices with different lithologies such as mudstone, weathered crust clay rock, sandstone, igneous rock and the like on a drilling site, can quickly and accurately judge the lithology, oil content, porosity and crack development characteristics of the stratum to be drilled through further microscopic identification of the slices, provides real-time lithology information for a drilling decision maker, predicts the drilling risk, shortens the decision-making time, reduces the exploration cost, is suitable for quickly preparing and identifying the rock slices on the drilling site, and is also suitable for quickly preparing and identifying the rock slices for field geological exploration.
Description
Technical Field
The invention relates to the technical field of oil and gas field exploration and development, in particular to a method for quickly preparing a rock slice on a drilling site.
Background
The rock slice grinding and identification technology is used for grinding a slice of a rock, identifying the mineral composition, structure and structure of the rock under a microscope, and accurately naming the rock, and is the most fundamentally effective method for naming the rock in the geological industry.
Along with the advance of oil and gas exploration to the fields of deep water, ultra-deep water, unknown lithology and complex lithology, the drilling cost is greatly improved, the significance of synchronously carrying out rock slice identification in the drilling process is great, slice grinding and microscopic identification are carried out on the rock of the stratum to be drilled in real time, important information such as accurate rock name, pore, crack development characteristics, oil-containing and water-containing characteristics of the rock and the like of the stratum to be drilled can be provided for a drilling decision maker, drilling optimization is guided, the exploration risk is reduced, the exploration decision time is shortened, and the exploration cost is further saved.
Generally, rock grinding is performed by transporting a rock sample obtained by drilling or sampling in situ back to a laboratory, and grinding the rock into a polished thin sheet by using mechanical equipment such as a casting machine, a sheet grinder, a slicing machine and the like through steps such as casting, cutting, grinding and the like, and then performing identification. But the laboratory rock slice identification has serious hysteresis compared with the real-time requirement of a drilling site, and the identification result is provided from a sampling site to a laboratory, which takes more than one week.
The drilling site is generally space-limited and has higher safety production requirements, so that the mechanical equipment used by the laboratory rock abrasive disc cannot be moved to the drilling site. The former has developed a simple sheet grinding machine to carry out on-site slice preparation, but the equipment needs to be maintained frequently and is inconvenient to carry, and a simple glass plate and carborundum are adopted to carry out drilling on-site slice grinding and identification, so that a certain effect is achieved, but the glass plate and carborundum grinding method can not grind rock samples such as mudstone, weathered crust clay rock and the like due to the fact that water is needed as a lubricating agent, and in addition, the efficiency of grinding the hard rock is low, time and labor are wasted, such as granite rock slices, and when one sample is prepared, more than 30min is needed generally, so that the requirement of drilling real-time lithology identification can not be met.
Disclosure of Invention
The invention overcomes the defects in the prior art, the laboratory rock slice identification has serious hysteresis compared with the real-time requirement of a drilling site, the identification result is provided from a sampling site to a laboratory, and at least more than one week is needed, so that the method for quickly preparing the rock slices of the drilling site can quickly prepare various stratum rocks to be drilled, and important information is provided for oil-gas exploration decision through subsequent microscopic identification.
The purpose of the invention is realized by the following technical scheme.
A method for quickly preparing a rock slice in a drilling site comprises the following steps:
step 1, if an original rock sample is loose, carrying out drip infiltration cementing on the original rock sample by using glue, if the original rock sample is consolidated, not needing cementing, and then naturally airing or blow-drying to obtain the rock sample;
step 2, placing the rock sample prepared in the step 1 on a diamond grinding disc for coarse grinding and fine grinding, performing coarse grinding until the plane of the rock sample is flat, then performing fine grinding until the plane of the rock sample is smooth, and wiping the ground rock sample with cleaning cotton and linen to obtain the ground rock sample;
step 3, placing the polished rock sample prepared in the step 2 on a glass slide, and then adhering the polished rock sample on the glass slide by using glue to obtain a rock sample after adhering;
step 4, placing the rock sample subjected to the wafer sticking and prepared in the step 3 in a diamond grinding disc for coarse grinding operation, observing under a microscope in the grinding process, replacing the diamond grinding disc for fine grinding operation when the quartz interference color of the rock sample is first-level yellow, and stopping grinding until the quartz interference color of the rock sample is first-level grey to first-level light yellow, so as to obtain a rock slice sample;
step 5, cleaning the rock slice sample prepared in the step 4, uniformly coating a mixed coloring agent on the rock slice sample, dyeing for 45-60 seconds, washing with water, and drying in the air to obtain the dyed rock slice sample, wherein the mixed coloring agent is prepared by uniformly mixing alizarin red S solution and potassium ferricyanide solution according to the volume ratio of 3: 2;
and 6, uniformly coating glue on the surface of the dyed rock slice sample prepared in the step 5 for glue sealing, naturally drying, sticking label paper on one end of the rock slice, and marking well name and depth information of a rock slice sampling position to obtain the rock slice.
In the step 1, before the dripping and permeating cementing operation is carried out, firstly, a fresh rock debris sample is selected from an observation sample of a logging room, 2-4 rock debris samples are preferably selected at the same well depth, the shape of the rock debris sample is preferably sheet-shaped, the rock debris sample is selected from harder consolidated rock, and then the rock debris sample is dried by blowing or naturally aired to obtain the rock sample.
In the step 2, the diameter of the diamond grinding disc is 45cm, the number of coarse grinding meshes is 800 meshes, the number of fine grinding meshes is 2000 meshes, water does not need to be added in the grinding process, and the rock sample is slightly pressed by a forefinger to rub back and forth on the diamond grinding disc.
In the step 3, when the particle size of the polished rock sample is larger than 3mm, firstly, dripping glue water on the central position of the glass slide, and then, slightly pressing the polished rock sample on the glue water; when the grain size of the polished rock sample is less than 3mm, firstly placing a plurality of polished rock sample planes in the center of a glass slide, and then dripping glue from the edge of the polished rock sample for adhering; and 2-4 polished rock samples are stuck on each glass slide, and if the number of rock samples with the same depth is less than 2-4, the same glass slide can stick rock samples with the depth of 2 wells, so that the grinding efficiency is improved.
In step 3, before adhering the sheet, the surface of the polished rock sample and the glass slide are wiped clean by cotton cloth.
In the step 4, when the diamond grinding disc is used for rough grinding operation, the diamond grinding disc with 800 meshes is adopted, when the diamond grinding disc is used for fine grinding operation, the diamond grinding disc with 2000 meshes is adopted, and water does not need to be added in the process of rough grinding operation and fine grinding operation.
In step 5, 1g of alizarin red S is dissolved in 1000mL of 0.2% by mass of dilute hydrochloric acid solution to obtain alizarin red S solution, 2g of potassium ferricyanide is dissolved in 100mL of 1.5% by mass of dilute hydrochloric acid solution to obtain potassium ferricyanide solution, and the using time of the prepared mixed coloring agent is less than 2 months.
In steps 1, 3 and 6, 502 glue is adopted as glue.
In step 6, the cover glass is used for traditional rock preparation, and as the operation site generally has larger dust, the cover glass is difficult to store dustless, and a large number of bubbles exist behind the cover glass to influence the identification, the 502 glue is directly adopted for glue sealing in the method, so that the same effect as the cover glass of the cover glass can be achieved, and the operation is simple and rapid.
The invention has the beneficial effects that: the method greatly simplifies the flow in the whole film making process, and compared with mechanical equipment such as a casting instrument, a film grinder, a slicer and the like required by the traditional laboratory film making or simple mechanical film grinding equipment of various self rocks, and more than 10 auxiliary reagents or materials such as required carborundum (coarse sand, medium sand, fine sand and refined sand), water, 502 glue, neutral gum, a coloring agent, a glass slide, a cover glass, a blower and the like, the method only needs 5 core materials such as the carborundum grinding disc, the 502 glue, the blower, the glass slide, the coloring agent and the like, does not need any mechanical equipment, greatly reduces the quantity and the volume of the required materials, can be suitable for the requirements of narrow space and environment safety of a drilling site, is simple in preparation work and convenient to carry;
compared with the existing simple lapping technology with the glass plate and the carborundum (coarse sand, medium sand, fine sand and refined sand) as the core, the method is quicker and more efficient, and has wider application range, and the existing lapping technology with the glass plate and the carborundum as the core can not grind rock samples such as mudstone, weathered crust clay rock and the like because water is needed as a lubricant, so that the lapping of hard rock is time-consuming and labor-consuming (such as granite, usually needs more than 30 min), the method adopts the diamond millstone as the core, does not need to add water in the lapping process, further reduces the requirement on the drilling site environment, and can lap the mudstone and the weathered crust clay rock, and in addition, the diamond millstone has extremely high lapping efficiency, and the lapping time of the hard rock can be controlled to be about 5-10 min;
compared with the existing simple lapping technology taking glass plates and carborundum as cores, the method has the advantages that the material consumption is lower, the operation cost can be further reduced, the glass plates and the carborundum belong to consumable products in the lapping process, at least 2 glass plates are consumed for grinding 100 rock slices, and 250g of coarse sand, medium sand, fine sand and fine sand are used respectively. The invention only needs two specifications of 800 meshes and 2000 meshes of diamond grinding discs, does not need any diamond, has good durability, and can grind 1000 rock slices by one group of diamond grinding discs, thereby saving the operation cost, being more convenient to carry and having simpler preparation work before operation;
compared with the existing simple lapping technology taking a glass plate and carborundum as cores, the lapping process is simpler and more efficient, and can reduce the damage to hands, the existing simple lapping technology taking the glass plate and the carborundum as cores needs to use coarse sand, medium sand, fine sand and refined sand in sequence in each sample lapping process, and the carborundum cannot be used in a mixing manner in the lapping process, so that the glass plate needs to be cleaned by water frequently, and the lapping process is more complex; secondly, because of the use of the PDC drill bit, the rock debris is 2-3 mm in size generally, the rock debris or the broken pieces are required to be pinched by a forefinger and a thumb in the grinding process for grinding, the thumb nail cover is extremely easy to scratch and abrade by carborundum, hand injury is increased on one side, and the grinding efficiency is further reduced along with the increase of the number of the grinding pieces on the other side. The invention only needs the diamond grinding disc with two specifications of 2000 meshes and 800 meshes all the time, the grinding efficiency is high, only the index finger needs to lightly press the rock debris or the glass slide in the grinding process, the contact between the nail cover and the grinding disc is reduced, and the hidden danger of hand injury in the grinding process is eliminated.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
A method for quickly preparing a rock slice in a drilling site comprises the following steps:
step 1, if an original rock sample is loose, carrying out drip infiltration cementing on the original rock sample by using 502 glue, if the original rock sample is consolidated, not needing cementing, and then naturally airing or blow-drying to obtain the rock sample;
step 2, placing the rock sample prepared in the step 1 on a diamond grinding disc with the diameter of 45cm, the grinding mesh number of coarse grinding is 800 meshes, performing coarse grinding and fine grinding operation on the diamond grinding disc with the diameter of 45cm, and the grinding mesh number of fine grinding is 2000 meshes, performing fine grinding until the plane of the rock sample is flat, performing fine grinding until the plane of the rock sample is smooth, wherein water is not required to be added in the grinding process, the rock sample is slightly pressed by a forefinger to rub on the diamond grinding disc back and forth, and the ground rock sample is wiped clean by cleaning cotton and linen, so that the ground rock sample is obtained;
step 3, cleaning the surface of the polished rock sample and a glass slide by using cotton linen, then, if the particle size of the polished rock sample prepared in the step 2 is larger than 3mm, firstly, dripping 502 glue at the central position of the glass slide, and then, slightly pressing the polished rock sample on the 502 glue; if the particle size of the polished rock sample is less than 3mm, firstly placing a plurality of polished rock sample planes in the center of a glass slide, and then dripping 502 glue from the edge of the polished rock sample for adhering; each glass slide is stuck with 2-4 polished rock samples, if the number of rock samples with the same depth is less than 2-4, the same glass slide can be stuck with 2 well-depth rock samples, so that the grinding efficiency is improved, and the rock samples after being stuck are obtained;
step 4, placing the rock sample subjected to the wafer sticking and prepared in the step 3 in a diamond grinding disc of 800 meshes for rough grinding operation, observing under a microscope in the grinding process, replacing the diamond grinding disc of 2000 meshes for fine grinding operation when the quartz interference color of the rock sample is first-level yellow, stopping grinding until the quartz interference color of the rock sample is first-level grey to first-level light yellow, and obtaining a rock slice sample, wherein water does not need to be added in the rough grinding operation and the fine grinding operation;
step 5, cleaning the rock slice sample prepared in the step 4, uniformly coating a mixed coloring agent on the rock slice sample, dyeing for 45-60 seconds, washing with water, and drying in the air to obtain the dyed rock slice sample, wherein the mixed coloring agent is prepared by uniformly mixing alizarin red S solution and potassium ferricyanide solution according to the volume ratio of 3:2, 1g of alizarin red S is dissolved in 1000mL of dilute hydrochloric acid solution with the mass fraction of 0.2% to obtain alizarin red S solution, 2g of potassium ferricyanide is dissolved in 100mL of dilute hydrochloric acid solution with the mass fraction of 1.5% to obtain potassium ferricyanide solution, and the service time of the prepared mixed coloring agent is less than 2 months;
and 6, uniformly coating 502 glue on the surface of the dyed rock slice sample prepared in the step 5 for glue sealing, naturally drying, sticking label paper on one end of the rock slice, and marking well name and depth information of a rock slice sampling position to obtain the rock slice.
Before the dripping and permeating cementing operation is carried out, firstly, a fresh rock chip sample is selected from an observation sample of a logging room, 2-4 rock chip samples are preferably selected at the same well depth, the shape of the rock chip sample is preferably sheet-shaped, the rock chip sample is selected from harder consolidated rock, and then the rock chip sample is dried by blowing or naturally aired, so that the rock sample is obtained.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (8)
1. A method for quickly preparing rock slices on a drilling site is characterized by comprising the following steps: the method comprises the following steps:
step 1, if an original rock sample is loose, carrying out drip infiltration cementing on the original rock sample by using glue, if the original rock sample is consolidated, not needing cementing, and then naturally airing or blow-drying to obtain the rock sample;
step 2, placing the rock sample prepared in the step 1 on a diamond grinding disc for coarse grinding and fine grinding, performing coarse grinding until the plane of the rock sample is flat, then performing fine grinding until the plane of the rock sample is smooth, and wiping the ground rock sample with cleaning cotton and linen to obtain the ground rock sample;
step 3, placing the polished rock sample prepared in the step 2 on a glass slide, and then adhering the polished rock sample on the glass slide by using glue to obtain a rock sample after adhering;
step 4, placing the rock sample subjected to the wafer sticking and prepared in the step 3 in a diamond grinding disc for coarse grinding operation, observing under a microscope in the grinding process, replacing the diamond grinding disc for fine grinding operation when the quartz interference color of the rock sample is first-level yellow, and stopping grinding until the quartz interference color of the rock sample is first-level grey to first-level light yellow, so as to obtain a rock slice sample;
step 5, cleaning the rock slice sample prepared in the step 4, uniformly coating a mixed coloring agent on the rock slice sample, dyeing for 45-60 seconds, washing with water, and drying in the air to obtain the dyed rock slice sample, wherein the mixed coloring agent is prepared by uniformly mixing alizarin red S solution and potassium ferricyanide solution according to the volume ratio of 3: 2;
and 6, uniformly coating glue on the surface of the dyed rock slice sample prepared in the step 5 for glue sealing, naturally drying, sticking label paper on one end of the rock slice, and marking well name and depth information of a rock slice sampling position to obtain the rock slice.
2. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in the step 1, before the dripping and permeating cementing operation is carried out, firstly, a fresh rock debris sample is selected from an observation sample of a logging room, 2-4 rock debris samples are selected at the same well depth, the shape of the rock debris sample is sheet-shaped, the rock debris sample is selected from harder consolidated rock, and then the rock debris sample is dried by blowing or naturally aired, so that the rock sample is obtained.
3. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in the step 2, the diameter of the diamond grinding disc is 45cm, the number of coarse grinding meshes is 800 meshes, the number of fine grinding meshes is 2000 meshes, water does not need to be added in the grinding process, and the rock sample is slightly pressed by a forefinger to rub back and forth on the diamond grinding disc.
4. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in the step 3, when the particle size of the polished rock sample is larger than 3mm, firstly, dripping glue water on the central position of the glass slide, and then, slightly pressing the polished rock sample on the glue water; when the grain size of the polished rock sample is less than 3mm, firstly placing a plurality of polished rock sample planes in the center of a glass slide, and then dripping glue from the edge of the polished rock sample for adhering; and 2-4 polished rock samples are stuck on each glass slide, and if the number of rock samples with the same depth is less than 2-4, the same glass slide can stick rock samples with the depth of 2 wells, so that the grinding efficiency is improved.
5. The method for rapidly manufacturing the rock slices on the drilling site according to claim 4, wherein the method comprises the following steps: in step 3, before adhering the sheet, the surface of the polished rock sample and the glass slide are wiped clean by cotton cloth.
6. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in the step 4, when the diamond grinding disc is used for rough grinding operation, the diamond grinding disc with 800 meshes is adopted, when the diamond grinding disc is used for fine grinding operation, the diamond grinding disc with 2000 meshes is adopted, and water does not need to be added in the process of rough grinding operation and fine grinding operation.
7. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in step 5, 1g of alizarin red S is dissolved in 1000mL of 0.2% by mass of dilute hydrochloric acid solution to obtain alizarin red S solution, 2g of potassium ferricyanide is dissolved in 100mL of 1.5% by mass of dilute hydrochloric acid solution to obtain potassium ferricyanide solution, and the using time of the prepared mixed coloring agent is less than 2 months.
8. The method for rapidly manufacturing the rock slices on the drilling site according to claim 1, wherein the method comprises the following steps: in steps 1, 3 and 6, 502 glue is adopted as glue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010988065.7A CN114199652A (en) | 2020-09-18 | 2020-09-18 | Method for rapidly preparing rock slices on drilling site |
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| CN202010988065.7A CN114199652A (en) | 2020-09-18 | 2020-09-18 | Method for rapidly preparing rock slices on drilling site |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346139A (en) * | 2010-08-05 | 2012-02-08 | 中国石油天然气股份有限公司 | Method for identifying feldspar in fine sediment (rock) |
| WO2019029489A1 (en) * | 2017-08-08 | 2019-02-14 | 中国科学院地质与地球物理研究所 | On-site system and method for scanning rock detritus during drilling in oil and gas field |
| CN111122263A (en) * | 2019-11-20 | 2020-05-08 | 中国海洋石油集团有限公司 | Manual manufacturing method of fine rock debris rock casting sheet |
-
2020
- 2020-09-18 CN CN202010988065.7A patent/CN114199652A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346139A (en) * | 2010-08-05 | 2012-02-08 | 中国石油天然气股份有限公司 | Method for identifying feldspar in fine sediment (rock) |
| WO2019029489A1 (en) * | 2017-08-08 | 2019-02-14 | 中国科学院地质与地球物理研究所 | On-site system and method for scanning rock detritus during drilling in oil and gas field |
| CN111122263A (en) * | 2019-11-20 | 2020-05-08 | 中国海洋石油集团有限公司 | Manual manufacturing method of fine rock debris rock casting sheet |
Non-Patent Citations (3)
| Title |
|---|
| 冯丹: "岩石薄片的制作方法浅谈", 发明与创新(职业教育), no. 01, pages 159 * |
| 刘淑英: "岩石薄片鉴定及显微图像技术在现场录井中的应用", 西部探矿工程, no. 08, pages 43 - 46 * |
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