CN103217381B - A kind of high rank coal maceral observation method - Google Patents
A kind of high rank coal maceral observation method Download PDFInfo
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- CN103217381B CN103217381B CN201310103509.4A CN201310103509A CN103217381B CN 103217381 B CN103217381 B CN 103217381B CN 201310103509 A CN201310103509 A CN 201310103509A CN 103217381 B CN103217381 B CN 103217381B
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Abstract
The invention discloses a kind of high rank coal maceral observation method, said method comprising the steps of: the lump coal mating plate chosen is placed on the scraps of paper; Utilize filming apparatus to take described lump coal mating plate, and the photo numbering of described shooting is stored; In conjunction with microscopic result and submicroscopic observed result determination maceral mark and relative content; The mark demarcated is utilized to carry out quantitative and qualitative analysis research to high rank coal micropetrological unit.The present invention effectively and continuously can identify the submicroscopic distribution characteristics of high rank coal micropetrological unit in conjunction with microscopic, differentiates the access relation of component, improves the efficiency of coal component observation, reduces difficulty, increases the reliability of observation.
Description
Technical field
The present invention relates to micropetrological unit observation field, particularly relate to a kind of high rank coal maceral observation method.
Background technology
The micropetrological unit observation of coal is the basis of coal fades analysis.At present, high rank coal micropetrological unit observation technology is mainly based on microscopic, and the micropetrological unit of classical microscopic analysis technology observation coal, has enlargement factor large, the features such as microscopic feature display is clear.But microscope ken diameter is generally at 0.2mm-5mm, the observation of growing complicated FOV (Field of View) 50mm-35mm for lump coal mating plate coal component can only be carried out independent observation respectively by being divided into a lot of tiny area, and such mode makes to seem very inconvenient to the spatial composing relations of high rank coal component and quantification statistics.
Following technical matters is there is in prior art:
1) existing high rank coal component observation procedure is mainly through coal mating plate.The visual inspection of coal mating plate affects visual inspection cannot complete by coal self character.The spatial shape characteristic sum content of maceral is to the origin cause of formation of coal, and the reservoir properties Research Significance of coal is great.
2) microscopy observation ken low power lens is most at below 1cm, and can carry out qualitative in the coal component of below 1cm to the ken, high power lens can observe 1mm and following component.Because the prior art observation ken is very little, in the estimation of lump coal mating plate maceral content, difficulty is larger.
Summary of the invention
The invention provides a kind of high rank coal maceral observation method, be intended to solve the prior art observation ken very little, the problem that difficulty is larger in the estimation of lump coal mating plate maceral content.
The present invention solves the problem with following technical scheme:
The invention provides a kind of high rank coal maceral observation method, described method comprises the steps:
The lump coal mating plate chosen is placed on the scraps of paper;
Filming apparatus is utilized to take described lump coal mating plate;
In conjunction with microscopic result and submicroscopic observed result determination maceral mark and relative content;
The mark demarcated is utilized to carry out quantitative and qualitative analysis research to high rank coal micropetrological unit.
The present invention effectively and continuously can identify the submicroscopic distribution characteristics of high rank coal micropetrological unit in conjunction with microscopic, differentiates the access relation of component, improves the efficiency of coal component observation, reduces difficulty, increases the reliability of observation.
Accompanying drawing explanation
Fig. 1 represents the realization flow figure of the high rank coal maceral observation method that the embodiment of the present invention provides;
Fig. 2 represents the submicroscopic schematic diagram of high rank coal micropetrological unit mating plate that the embodiment of the present invention provides;
Fig. 3 represents the submicroscopic schematic diagram of high rank coal micropetrological unit mating plate that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention compares existing maceral Macroscopic analysis technology and microscopic analysis technology, can solve naked eyes and not see the difficulty with microscope estimation component concentration, enriched prior art means, it can improve the efficiency of coal component observation, reduce difficulty, increase the reliability of observation.
Embodiment one
Fig. 1 is the realization flow of the plant cultivating method that the embodiment of the present invention provides, and details are as follows:
In step S101, the lump coal mating plate chosen is placed on the scraps of paper;
In embodiments of the present invention, lump coal mating plate adopt common mating plate just can, size adopts stock size: 6*4*1cm, chooses after mating plate and notes keeping light face to clean.Coal mating plate is positioned over the brown color substrate scraps of paper, mating plate is other selects suitable reference engineer's scale.
In step s 102, filming apparatus is utilized to take lump coal mating plate;
In embodiments of the present invention, select the anti-digital camera of professional high pixel list (non-card camera), 90mm is installed and focuses micro-lens, be placed on three-legged support.Selection can the angle in clear display light face, note avoiding reflective (attribute of coal mating plate own is easily reflective), then take, photo effect is noted will all showing coal mating plate mirror portion and is comprised the reference engineer's scale on side, the photo of shooting is numbered and is deposited, by the component characteristics of suitable Zoom display coal mating plate on large scale display screen.
In step s 103, in conjunction with microscopic result and submicroscopic observed result determination maceral mark and relative content;
In embodiments of the present invention, high rank coal mating plate pure white is inorganic mineral, and canescence is fusinite, and bright black is telocollinite, and grey black is desmocollinite, and content statistics can adopt the mode of artificial counting.
In embodiments of the present invention, utilize the content of maceral mark and content analysis maceral thereof, this is the basis of coal fades analysis.As shown in Figure 2, submicroscopic photo can show high rank coal component band and distribution thereof to the submicroscopic photo of high rank coal micropetrological unit mating plate clearly, wherein, A is fusinite, B is average vitrinite, and C is desmocollinite, and D is inorganic mineral (micro-tuberculosis).(without liptinite in high rank coal).
In step S104, the mark demarcated is utilized to carry out quantitative and qualitative analysis research to high rank coal micropetrological unit.
Compare traditional simple microscopic analysis technology, the embodiment of the present invention effectively and continuously can identify the submicroscopic distribution characteristics of high rank coal micropetrological unit in conjunction with microscopic, differentiate the access relation of component, as shown in Figure 3, the upper left corner is submicroscopic photo (submicroscopic observation technology), and all the other are microscopic photo (microscopic technology).Submicroscopic photo length is 50mm, and under microscope, photo length is 2-4mm, and only accounting for is the 1/25-1/12 of submicroscopic photo length.The effect of microphotograph is each micropetrological unit of qualitative display, and it is difficult to each component concentration of estimation.And the distribution situation of clear each micropetrological unit of display of sub-microphoto energy, convergent-divergent can also be carried out as required over the display, thus the estimation of each component concentration is become than being easier to.Compare with low-medium rank coal, without liptinite in high rank coal, when this makes the observation of micropetrological unit add up, can a kind of component be lacked.
The embodiment of the present invention is effectively supplementing of existing microscopic technology, enrich the observation method of high rank coal component, improve the operative technique to the estimation of maceral content, add the degree of reliability describing high rank coal micropetrological unit spatial relationship, for high rank coal facies analysis brings facility, can be described as a kind of technical improvement of coal fades analysis.
Claims (6)
1. a high rank coal maceral observation method, is characterized in that, described method comprises:
The lump coal mating plate chosen is placed on the scraps of paper;
Filming apparatus is utilized to take described lump coal mating plate;
In conjunction with microscopic result and submicroscopic observed result determination maceral mark and relative content;
The mark demarcated is utilized to carry out quantitative and qualitative analysis research to high rank coal micropetrological unit;
The described step in conjunction with microscopic result and submicroscopic observed result determination maceral mark and relative content is by the component characteristics determination maceral mark of Zoom display coal mating plate and relative content.
2. the method for claim 1, is characterized in that, described in the lump coal mating plate chosen adopt stock size: 6*4*1cm.
3. method as claimed in claim 2, it is characterized in that, during shooting, described coal mating plate is positioned over the brown color substrate scraps of paper.
4. method as claimed in claim 3, is characterized in that, is describedly placed on the scraps of paper after step by the lump coal mating plate chosen, and is also included in that lump coal mating plate is other to be selected with reference to engineer's scale.
5. the method for claim 1, is characterized in that, described filming apparatus is the anti-digital camera of professional high pixel list, and installs 90mm and focus micro-lens.
6. the method for claim 1, is characterized in that, the photo of described shooting will all show coal mating plate mirror portion and comprise with reference to engineer's scale.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310103509.4A CN103217381B (en) | 2013-03-28 | 2013-03-28 | A kind of high rank coal maceral observation method |
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| CN201310103509.4A CN103217381B (en) | 2013-03-28 | 2013-03-28 | A kind of high rank coal maceral observation method |
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| CN103217381A CN103217381A (en) | 2013-07-24 |
| CN103217381B true CN103217381B (en) | 2016-04-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103743742B (en) * | 2013-12-02 | 2016-06-01 | 于景锋 | Super-viscous oil sandstone reservoir high definition scanning observation procedure |
| CN107179280A (en) * | 2017-05-13 | 2017-09-19 | 高亚贵 | A kind of light source movable mating plate observation device |
| CN110426350A (en) * | 2019-05-15 | 2019-11-08 | 中国石油大学(北京) | The quantitative approach and system of maceral composition in a kind of rock |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123910A (en) * | 1993-12-10 | 1996-06-05 | 索拉克有限公司 | Automatic process for the maceral analysis and the determination of the reflectance of vitrinite in coals |
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2013
- 2013-03-28 CN CN201310103509.4A patent/CN103217381B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123910A (en) * | 1993-12-10 | 1996-06-05 | 索拉克有限公司 | Automatic process for the maceral analysis and the determination of the reflectance of vitrinite in coals |
Non-Patent Citations (2)
| Title |
|---|
| 图像分析法测定煤的显微组分;张代林等;《煤炭科学技术》;20030630;第31卷(第6期);第23,24,58页 * |
| 煤体脆—韧性变形微观识别标志;苏现波等;《煤田地质与勘探》;20031231;第31卷(第6期);2研究方法，3.2节第2段 * |
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Effective date of registration: 20180410 Address after: 834000 No. 206, four street, Karamay District, Karamay, the Xinjiang Uygur Autonomous Region. Patentee after: Xinjiang Taiqi Petroleum Science and Technology Co Ltd Address before: 100083 Haidian District, Xueyuan Road, China University of Geosciences, (Beijing) Energy Institute Co-patentee before: He Naixiang Patentee before: Xiao Jianxin |
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