CN102176061B - Radar satellite remote sensing coal-exploration method - Google Patents
Radar satellite remote sensing coal-exploration method Download PDFInfo
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- CN102176061B CN102176061B CN2011100336767A CN201110033676A CN102176061B CN 102176061 B CN102176061 B CN 102176061B CN 2011100336767 A CN2011100336767 A CN 2011100336767A CN 201110033676 A CN201110033676 A CN 201110033676A CN 102176061 B CN102176061 B CN 102176061B
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Abstract
The invention provides a radar satellite remote sending coal-exploration method which comprises the following steps: interpreting a radar satellite image to obtain the position information of a carbonaceous rock;, and actually measuring the coal-containing information of the carbonaceous rock on the basis of interpretation. Compared with the prior art, the radar satellite remote sending coal-exploration method has the beneficial effects that a microwave (radar) waveband can penetrate through the cloud, fog, rain and forest in the tropical rain forest, the radar satellite data image can directly reflect the surface geological condition in the tropical rain forest to initially interpret the radar satellite data so as to determine a regional geological structure and the distribution range of the coal-containing rock system; and a remote sensing coal-exploration work region is determined according to the distribution range of the coal-containing system, the blindness of selecting the geological coal-exploration region is prevented, the coal-exploration risk is avoided, and the success rate of exploring new coal fields is greatly improved.
Description
Technical field
The present invention relates to a kind of radar satellite remote sensing and look for the coal method.
Background technology
The method of prospecting that in hylaea, adopts is: in hylaea, set up life and helicopter base, the geological personnel helicopter gets into tropical cloud woods, carries out ground and passes through, and relies on the GPS location, carries out the surface geology investigation and looks for coal work.The a large amount of geology observation stations of observation technology in the rainforest, the back establishment geologic map that comes back to the base, the preservation state of research coal resources, tax storage.But there is following defective in the existing method of prospecting:
(1) technical elements
1, blindly look for the success ratio in ore deposit, the new coalfield of discovery low.Because the hylaea vegetation coverage is very close, there is ore deposit Wu Kuang the workspace of selection, and where ore deposit and unclear is arranged.Geologic examination with look for coal work mainly to depend on the field geology personnel, pass through the ground route, run into the ore deposit and just found, just do not bump and can not find.
2, the geological work awareness is low, of poor quality.In ground investigation; Even done a large amount of ground particles, coal seam point, yet because each point intervisibility not in the hylaea, the mutual relationship of various places particle, coal seam point is difficult to confirm; Even after a regional field work is accomplished; Do not go out serial maps such as stratigraphic column, comparative map of coal seam, the geological knowledge degree is low, and is of poor quality.
3, mapping precision is poor.Carry out the large scale geologic examination, require to accomplish the large scale geologic mapping.Because of hylaea covers, intervisibility not mutually, can only field record, indoor establishment large scale geologic map, mapping precision is poor.
(2) efficient is low
With Indonesia Xi Yili peace province Bin Tuni area is example, and the Korean sets up life and helicopter base in this district the nineties in last century, with accomplishing the geologic examination of 1: 5 ten thousand engineer's scale a dry season (the 4-8 month) and looking for coal working area 300km
2Be 2008 under same area, similarity condition the remote sensing of employing radar satellite hylaea look for 1/3 of coal technical work efficient.
(3) cost is high
The efficient of looking for coal to bring for the blindness of prior art existence is low, and the problem that cost is high does not propose effective solution at present as yet.
Summary of the invention
Fundamental purpose of the present invention provides a kind of radar satellite remote sensing and looks for the coal method, and is low in order to solve the efficient of blindly looking for coal in the prior art and being brought, the problem that cost is high.
To achieve these goals, the present invention realizes through following technical scheme:
The coal method is looked in a kind of radar satellite remote sensing, comprises, decipher radar satellite image obtains the positional information of carbonaceous rock, and the said carbonaceous rock of actual measurement contains coal information on the basis of decipher.
Further, said decipher radar satellite image may further comprise the steps: at first, the radar satellite image is carried out GEOLOGICAL INTERPRETATION, confirm the tectonic structure of workspace; Then, carry out the rock decipher, confirm the distribution range of sedimentogeneous rock in the workspace meeting predetermined architectonic radar satellite image.
Further, said decipher radar satellite image also comprises: in said definite workspace after the distribution range of sedimentogeneous rock, divide the sequence and the series of rocks of sedimentogeneous rock, the positional information of extraction coal seam carbonaceous rock from the sequence of sedimentogeneous rock and series of rocks information.
Further, the coal information that contains that said carbonaceous rock is surveyed on said basis in decipher comprises: according to the positional information of said carbonaceous rock, the coal seam carbonaceous rock of the position that conforms to a predetermined condition is surveyed, that obtains said coal seam carbonaceous rock contains coal information.
Compared with prior art; The invention has the beneficial effects as follows: microwave (radar) wave band can penetrate cloud, mist, rain, the forest of hylaea, and the radar satellite data image directly reflects the surficial geology situation under the hylaea, and the radar satellite data image is carried out preliminary decipher; Confirm regional tectonics; Confirm the distribution range of coal-bearing series, confirm that according to the distribution range that contains coal measures remote sensing looks for the coal workspace, prevent that geology from looking for the blindness in coal constituency; Evade and look for the coal risk, increase substantially the success ratio of finding new coalfield.It is that decipher obtains the positional information of carbonaceous rock and survey out based on this information containing coal information from the radar satellite image that the coal method is looked in radar satellite remote sensing of the present invention, so its efficient height and cost are low.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to type of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is that the main process flow diagram of coal method is looked in said a kind of radar satellite remote sensing according to the embodiment of the invention;
Fig. 2 penetrates sexual intercourse and vegetation according to the said radar satellite of the embodiment of the invention, the image of reflection rock exposure situation;
Fig. 3 is according to the said radar satellite image histogram of the embodiment of the invention;
Fig. 4 finds the synoptic diagram of the instance in coal seam according to the embodiment of the invention according to the radar satellite image on the spot;
Fig. 5 finds the synoptic diagram of another instance in coal seam according to the embodiment of the invention according to the radar satellite image on the spot.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Fig. 1 is that the main process flow diagram of coal method is looked in said a kind of radar satellite remote sensing according to the embodiment of the invention, and referring to shown in Figure 1, this method comprises that decipher radar satellite image obtains the positional information of carbonaceous rock, and the said carbonaceous rock of actual measurement contains coal information on the basis of decipher.
Obtain in the step of positional information of carbonaceous rock at decipher radar satellite image; The radar satellite image can select to penetrate cloud, mist, rain, the vegetation of hylaea; The electromagnetic wave band that can directly reflect surface rock like this, can the Direct observation surficial geology remotely-sensed data image of structure.Referring to shown in Figure 2, Fig. 2 penetrates sexual intercourse and vegetation according to the said radar satellite of the embodiment of the invention, the image of reflection rock exposure situation.
The imaging mechanism of coal seam in microwave field: under identical topographic condition, different complex permittivities constitutes different radar images, and complex permittivity receives directly influencing of the property of water-bearing in the coal measure strata; The coal seam property of water-bearing is poor; Complex permittivity is low, constitutes darker radar image, and the country rock property of water-bearing is strong; Complex permittivity is high, constitutes bright image.When said radar satellite image is carried out GEOLOGICAL INTERPRETATION, at first confirm the tectonic structure of workspace, carry out the rock decipher to meeting predetermined architectonic radar satellite image then, confirm the distribution range of sedimentogeneous rock in the workspace.Fig. 3 is according to the said radar satellite image histogram of the embodiment of the invention; Can draw the distribution range of sedimentogeneous rock by histogram; Referring to shown in Figure 3, in the histogram, absorption peak (black image) is coal seam and carbonaceous shale; Middle reflection (grey image) is a sand shale, and high reflection (white, canescence image) is a glutenite.
In confirming the workspace, after the distribution range of sedimentogeneous rock, divide the sequence and the series of rocks of sedimentogeneous rock, the positional information of extraction coal seam carbonaceous rock from the sequence of sedimentogeneous rock and series of rocks information.
On the basis of decipher, survey in the step that contains coal information of said carbonaceous rock; Main positional information according to above-mentioned carbonaceous rock; Coal seam carbonaceous rock to the position that conforms to a predetermined condition is surveyed; Survey geology benchmark section according to known rock, stratum, structure, that obtains said coal seam carbonaceous rock contains coal information.Like Fig. 4 and shown in Figure 5, Fig. 4 be according to the embodiment of the invention to find the synoptic diagram of the instance in coal seam, Fig. 5 on the spot according to the radar satellite image be to find the synoptic diagram of another instance in coal seam according to the embodiment of the invention on the spot according to the radar satellite image.In Fig. 4, image 41 expression radar satellite images, the coal seam that image 42 expression ground are found on the spot.In Fig. 5, image 51 expression radar satellite images, the coal seam that image 52 expression ground are found on the spot.Can find out from Fig. 4 and Fig. 5,, can confirm the position in coal seam comparatively exactly on the spot on ground according to the radar satellite image according to the technical scheme of present embodiment.
According to the technical scheme of present embodiment, decipher radar satellite image obtains the positional information of carbonaceous rock, and the said carbonaceous rock of actual measurement contains coal information on the basis of decipher; Help to confirm comparatively exactly regional tectonics, confirm the distribution range of coal-bearing series, like this; Confirm that according to the distribution range of coal-bearing series remote sensing looks for the coal workspace again; Can prevent that geology from looking for the blindness in coal constituency, evade and look for the coal risk, improve the success ratio of finding new coalfield.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the coal method is looked in a radar satellite remote sensing, it is characterized in that said method comprises:
Decipher radar satellite image obtains the positional information of carbonaceous rock;
Wherein, said decipher radar satellite image may further comprise the steps:
At first, the radar satellite image is carried out GEOLOGICAL INTERPRETATION, confirm the tectonic structure of workspace;
Then, carry out the rock decipher, confirm the distribution range of sedimentogeneous rock in the workspace meeting predetermined architectonic radar satellite image,
Wherein, said decipher radar satellite image also comprises:
In said definite workspace after the distribution range of sedimentogeneous rock, divide the sequence and the series of rocks of sedimentogeneous rock, the positional information of extraction coal seam carbonaceous rock from the sequence of sedimentogeneous rock and series of rocks information,
Actual measurement said coal seam carbonaceous rock contains coal information on the basis of decipher.
2. the coal method is looked in radar satellite remote sensing according to claim 1, it is characterized in that, the said coal information that contains of on the basis of decipher, surveying said coal seam carbonaceous rock comprises:
According to the positional information of said coal seam carbonaceous rock, the coal seam carbonaceous rock that meets the precalculated position condition is surveyed, that obtains said coal seam carbonaceous rock contains coal information.
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| CN102520458B (en) * | 2011-11-30 | 2013-11-27 | 中国神华能源股份有限公司 | Remote sensing coal searching method based on China-Brazil satellite |
| CN102590889B (en) * | 2012-02-17 | 2015-02-04 | 中国石油化工股份有限公司 | Log multi-parameter oil-gas interpretation method based on radar map and cloud model |
| CN102621591B (en) * | 2012-03-30 | 2013-08-14 | 中国神华能源股份有限公司 | Small coal mine monitoring method and device and data processing equipment |
| CN102707327A (en) * | 2012-05-31 | 2012-10-03 | 中国神华能源股份有限公司 | Small coal mine monitoring method and system |
| CN103678586A (en) * | 2013-12-11 | 2014-03-26 | 中国神华能源股份有限公司 | Method and device for shale bed marking in satellite image |
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Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Shenhua building Patentee after: Shenhua Group LLC Patentee after: Shenhua Geological Exploration Co., Ltd. Address before: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Shenhua building Patentee before: Shenhua Group LLC Patentee before: Shenhua (Beijing) Remote Sensing Prospecting Co., Ltd. |