CN105866836A - Mine three-dimensional seismic full process geological exploration prediction method - Google Patents
Mine three-dimensional seismic full process geological exploration prediction method Download PDFInfo
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- CN105866836A CN105866836A CN201610191231.4A CN201610191231A CN105866836A CN 105866836 A CN105866836 A CN 105866836A CN 201610191231 A CN201610191231 A CN 201610191231A CN 105866836 A CN105866836 A CN 105866836A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000012795 verification Methods 0.000 claims abstract description 4
- 238000003556 assay Methods 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 6
- 238000011156 evaluation Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000008713 feedback mechanism Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention discloses a mine three-dimensional seismic full process geological exploration prediction method, relating to the technical field of underground coal seam exploration. The method comprises a step of using a three-dimensional seismic exploration method to delineate whether a minable coal layer bit has a concealed geological structure, a step of carrying out real-time verification and analysis evaluation on the result of three-dimensional seismic exploration with the actual roadway disclosure and drilling result as constraints, and a step of fusing the verified and analyzed minable coal layer geological information into the three-dimensional seismic exploration result, using an iterative feedback method, carrying out re-processing, re-interpretation and re-application on an exploration area result which is not in accordance with a detection precision requirement, constantly changing the constraints, and finally forming a mine three-dimensional seismic full process geological analysis result. According to the method, the accuracy of the three-dimensional seismic processing and interpretation can be effectively improved, the geological construction condition in mining influence range can be predicted and found to the maximum, the roadway mining area arrangement is facilitated, and the safety accidents can be scientifically and effectively prevented and reduced.
Description
Technical field
The present invention relates to subterranean coal exploration engineering field, particularly relate to a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology.
Background technology
Colliery 3-D seismics is to comprehensively utilize exploration engineering that is multidisciplinary and that grow up, 3-D seismics is as a kind of aboveground exploration engineering, and mine geological structure can be verified before tunnelling premise before shaft building, the distribution of tomography and karst collapse col umn is described accurately, geologic basis is provided for mine planning, Mining block design and roadway layout, optimize integral layout, improve production efficiency.Tunnelling is carried out in the case of detection of geological conditions is not clear, easily produce security incident, serious also will cause casualties, bring huge economic loss, 3-D seismics technology is used can effectively to grasp architectonic characteristic, and take measures in advance, can farthest avoid and reduce various driving and exploitation accident, it is ensured that safety in production.Continuous progressive along with various Processing and Interpretation Technology, are detected accuracy by mine hidden geological tectonic for 3-D seismics technology and precision is more and more higher, has the most become one of important technical during mine shaft geology describes.
It is all disposable that existing colliery 3-D seismics processes the submission of interpretation results report, but exploitation and the driving in tunnel along with colliery, almost all of earthquake prediction data can be verified, but seldom the real data of exposure is fed back with original 3-D seismic interpretation achievement, this results in 3-D seismics process and explains that precision is difficult to be effectively improved, seriously govern the development of 3-D seismics technology so that it is be difficult to meet coal industry field and melt the demand adopted.
Summary of the invention
The technical problem to be solved is to provide a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, described method can effectively improve the precision that 3-D seismics processes and explains, the geological structure situation can predicted to greatest extent, find out in digging coverage, both facilitated tunnel arrangement of mining area, and can scientificlly and effectively avoid and reduce industrial accident again.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, it is characterised in that described method comprises the steps:
1) situation is deposited in the tax using 3-d seismic exploration method to describe Mine area geologic structure, and whether delineation minable coal seam position exists hidden geological tectonic, and determine its particular location and scope；
2) disclosing with actual tunnel and results of drilling is as constraints, wherein probing carries out vertical wire constraint, and tunnel discloses and carries out horizontal wire constraint, and the result of 3-d seismic exploration is carried out real-time verification and assay；
3) the minable coal seam geological information after checking and analysis is dissolved in 3-d seismic exploration result, use iterative feedback method, the exploration area result not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, explained and reapply, along with being continually changing of digging, it is more and more that coal seam discloses, constraints is continually changing, interpretation prediction whole-process control dynamic to 3D seismic data geology, ultimately forms colliery 3-D seismics whole process geological analysis achievement.
Further technical scheme is, in described step 1): when minable coal seam district carries out 3-d seismic exploration, using dynamite source to excite, receiving station receives detector data, wherein cymoscope arrangement interval is track pitch 10m, shot point spacing 10m, line-spacing 40m, sample rate 0.5ms, record length is 2s, finally form the CDP bin of 5m*5m in underground, investigation depth reach below survey area within 1500m structure, severity control is at the following 100m of ash difficult to understand.
Use and have the beneficial effects that produced by technique scheme: static three-dimensional earthquake prediction of routine is expanded to repeatedly dynamical feedback prediction and evaluation by described method, detection method is also in traditional 3-D seismics basic data, add probing and digging discloses data, from indirect detection to direct detection, set up iterative feedback mechanism, be effectively increased 3-D seismics prediction precision.
Owing to the method fully takes into account digging and the on-the-spot exposure data checking situation to earthquake prediction, and carry out continuous iterative feedback process, explain, prediction is verified again, on the basis of the technology of conventional three-dimensional earthquake, set up boring and digging discloses the iterative feedback mechanism for checking information, achieve 3-D seismics whole process geology truly dynamically to explore, mine development end can be found out to greatest extent, geological structure in the range of back production destroying infection is composed and is deposited situation, improve prospecting prediction precision, foundation is provided for optimizing mine design, more can be prevented effectively from roof fall, the accidents such as gushing water occur, ensure the security of the lives and property of people.
Fundamentally improve the precision of 3-D seismic interpretation achievement, provide geologic basis for mine planning, Mining block design and roadway layout, optimize integral layout, improve production efficiency, farthest avoid and reduce various driving and exploitation accident, ensured production safety.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for the invention；
Fig. 2 is 3-d seismic exploration schematic diagram in the present invention；
Wherein: 1, receiving station 2, cymoscope 3, shot point 4, seismic reflection loop.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention can also use other to be different from alternate manner described here to be implemented, those skilled in the art can do similar popularization in the case of intension of the present invention, and therefore the present invention is not limited by following public specific embodiment.
As it is shown in figure 1, the invention discloses a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, described method comprises the steps:
1) use whether 3-d seismic exploration method delineation minable coal seam position exists hidden geological tectonic, and determine its particular location and scope；
Concrete, as shown in Figure 2, when minable coal seam district carries out 3-d seismic exploration, dynamite source is used to excite, receiving station 1 receives cymoscope 2 data, wherein cymoscope 2 arrangement interval is track pitch 10m, shot point 3 spacing 10m, line-spacing 40m, sample rate 0.5ms, record length is 2s, the CDP(degree of depth collection point altogether of 5m*5m is finally formed in underground) bin, investigation depth reach below survey area within 1500m structure, severity control is at the following 100m of ash difficult to understand, by to D seismic modeling, explain, inverting integrated technique is predicted to coal seam and the geological structure tax situation of depositing.
2) disclosing with actual tunnel and results of drilling is as constraints, wherein probing carries out vertical wire constraint, and tunnel discloses and carries out horizontal wire constraint, and the result of 3-d seismic exploration is carried out real-time verification and assay；
3) the minable coal seam geological information after checking and analysis is dissolved in 3-d seismic exploration result, use iterative feedback method, the exploration area result not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, explained and reapply, constraints is continually changing, interpretation prediction whole-process control dynamic to 3D seismic data geology, ultimately forms colliery 3-D seismics whole process geological analysis achievement.
Static three-dimensional earthquake prediction of routine is expanded to repeatedly dynamical feedback prediction and evaluation by described method, detection method is also in traditional 3-D seismics technical foundation data, add probing and digging discloses data, from indirect detection to direct detection, set up iterative feedback mechanism, be effectively increased 3-D seismics prediction precision.,
Owing to the method fully takes into account digging and the on-the-spot exposure data checking situation to earthquake prediction, and carry out continuous iterative feedback process, explain, prediction is verified again, in the basic data of the technology of conventional three-dimensional earthquake, set up boring and digging discloses the iterative feedback mechanism for checking information, wherein probing carries out vertical wire constraint, tunnel discloses and carries out horizontal wire constraint, constraints is continually changing, achieve 3-D seismics whole process geology truly and dynamically explore control, mine development end can be found out to greatest extent, geological structure in the range of back production destroying infection is composed and is deposited situation, improve prospecting prediction precision, foundation is provided for optimizing mine design, more can be prevented effectively from roof fall, the accidents such as gushing water occur, ensure the security of the lives and property of people.
Fundamentally improve the precision of 3-D seismics achievement, provide geologic basis for mine planning, Mining block design and roadway layout, optimize integral layout, improve production efficiency, farthest avoid and reduce various driving and exploitation accident, ensured production safety.
Claims (2)
1. a mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, it is characterised in that described method comprises the steps:
1) situation, the hidden geological tectonic whether delineation minable coal seam position exists are deposited in the tax using 3-d seismic exploration method to describe Mine area geologic structure, and determine its particular location and scope；
2) disclosing with actual tunnel and results of drilling is as constraints, wherein probing carries out vertical wire constraint, and tunnel discloses and carries out horizontal wire constraint, and the result of 3-d seismic exploration is carried out real-time verification and assay；
3) the minable coal seam geological information after checking and analysis is dissolved in 3-d seismic exploration result, use iterative feedback method, the exploration area result not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, explained and reapply, along with being continually changing of digging, it is more and more that coal seam discloses, constraints is continually changing, interpretation prediction whole-process control dynamic to 3D seismic data geology, ultimately forms colliery 3-D seismics whole process geological analysis achievement.
2. mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology as claimed in claim 1, it is characterized in that, in described step 1): when minable coal seam district carries out 3-d seismic exploration, dynamite source is used to excite, receiving station (1) receives cymoscope (2) data, wherein cymoscope (2) arrangement interval is track pitch 10m, shot point (3) spacing 10m, line-spacing 40m, sample rate 0.5ms, record length is 2s, ultimately forms the CDP bin of 5m*5m, investigation depth reach below survey area within 1500m structure, severity control is at the following 100m of ash difficult to understand.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869997A (en) * | 2017-04-01 | 2017-06-20 | 山东东山王楼煤矿有限公司 | A kind of colliery multi-aquifer prevention and controls |
| CN108761532A (en) * | 2018-05-08 | 2018-11-06 | 河北煤炭科学研究院 | Coal mine work area fault predicting method |
| CN114997482A (en) * | 2022-05-24 | 2022-09-02 | 徐州大屯工程咨询有限公司 | Coal mine underground working face digital transparent geological technical method |
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| CN104111479A (en) * | 2014-07-17 | 2014-10-22 | 河北煤炭科学研究院 | Underground coal mine in-excavating channel wave seism fore-detection method |
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| US20110320182A1 (en) * | 2007-08-01 | 2011-12-29 | Austin Geomodeling | Method and system for dynamic, three-dimensional geological interpretation and modeling |
| CN104111479A (en) * | 2014-07-17 | 2014-10-22 | 河北煤炭科学研究院 | Underground coal mine in-excavating channel wave seism fore-detection method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106869997A (en) * | 2017-04-01 | 2017-06-20 | 山东东山王楼煤矿有限公司 | A kind of colliery multi-aquifer prevention and controls |
| CN108761532A (en) * | 2018-05-08 | 2018-11-06 | 河北煤炭科学研究院 | Coal mine work area fault predicting method |
| CN114997482A (en) * | 2022-05-24 | 2022-09-02 | 徐州大屯工程咨询有限公司 | Coal mine underground working face digital transparent geological technical method |
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