CN105866836B - Mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology - Google Patents
Mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology Download PDFInfo
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- CN105866836B CN105866836B CN201610191231.4A CN201610191231A CN105866836B CN 105866836 B CN105866836 B CN 105866836B CN 201610191231 A CN201610191231 A CN 201610191231A CN 105866836 B CN105866836 B CN 105866836B
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- geological
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- whole process
- coal seam
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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. analysis, for interpretation, for correction
- G01V1/30—Analysis
Abstract
The invention discloses a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, it is related to subterranean coal exploration engineering field.Described method includes following steps：Hidden geological tectonic whether there is using 3-d seismic exploration method delineation minable coal seam position；Disclosed using actual tunnel and results of drilling is constraints, real-time verification and assay are carried out to the result of 3-d seismic exploration；Minable coal seam geological information after verification and analysis is dissolved into 3-d seismic exploration result, with iterative feedback method, the exploration area result for not meeting detection accuracy requirement is explained and reapplied by being reprocessed, again, constraints constantly changes, and ultimately forms colliery 3-D seismics whole process geological analysis achievement.The method can effectively improve 3-D seismics processing and the precision explained, can to greatest extent predict, find out geological structure situation in digging coverage, not only facilitate tunnel arrangement of mining area, but also scientificlly and effectively can avoid and reduce industrial accident.
Description
Technical field
The present invention relates to subterranean coal exploration engineering field, more particularly to a kind of mine three-dimensional earthquake whole process geological prospecting are pre-
Survey method.
Background technology
Colliery 3-D seismics are to comprehensively utilize exploration engineering that is multidisciplinary and growing up, and 3-D seismics are as on a kind of well
Exploration engineering, can verify before shaft building and in advance mine geological structure before tunnelling, accurately describe tomography and karst collapse col umn
Distribution, provides geologic basis for mine planning, Mining block design and roadway layout, optimizes integral layout, improve production and imitates
Rate.Tunnelling is carried out in the case where detection of geological conditions is unknown, easily produces security incident, it is serious also to cause personnel
Injures and deaths, bring huge economic loss, can effectively grasp architectonic characteristic using 3-D seismics technology, and take arrange in advance
Apply, farthest can avoid and reduce various drivings and exploitation accident, ensure safety in production.With various Processing and Interpretation Technologies
It is continuous progressive, 3-D seismics technology to mine hidden geological tectonic detect accuracy and precision is higher and higher, at present into
One of important technical in being described for mine shaft geology.
The submission of existing colliery 3-D seismics processing interpretation results report is all disposable, but with colliery exploitation and
The driving in tunnel, almost all of earthquake prediction data can be verified, but seldom by the real data of exposure and original three
Dimension seismic interpretation achievement is fed back, this results in 3-D seismics processing and explains that precision is difficult to effectively improve, and seriously restricts
The development of 3-D seismics technology, makes it be difficult to meet that coal industry field melts the needs of of adopting.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, institute
The method of stating can effectively improve 3-D seismics processing and the precision explained, can to greatest extent predict, find out that digging influences model
Interior geological structure situation is enclosed, had not only facilitated tunnel arrangement of mining area, but also scientificlly and effectively can avoid and reduce industrial accident.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of mine three-dimensional earthquake whole process geology
Prospecting prediction method, it is characterised in that described method includes following steps：
1）The preservation situation of Mine area geologic structure is described using 3-d seismic exploration method, whether delineation minable coal seam position deposits
In hidden geological tectonic, and determine its specific location and scope；
2）Disclosed using actual tunnel and results of drilling is constraints, wherein probing carries out vertical wire constraint, tunnel
Disclose and carry out horizontal wire constraint, real-time verification and assay are carried out to the result of 3-d seismic exploration；
3）Minable coal seam geological information after verification and analysis is dissolved into 3-d seismic exploration result, it is anti-with iteration
Feedback method, the exploration area result for not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, is solved again
Release and reapply, with the continuous change of digging, coal seam discloses more and more, and constraints constantly changes, to 3-D seismics
Data geology dynamic interpretation prediction whole-process control, ultimately forms colliery 3-D seismics whole process geological analysis achievement.
Further technical solution is, the step 1）In：When minable coal seam area carries out 3-d seismic exploration, using fried
Medicine focus is excited, and receiving station receives detector data, and wherein wave detector arrangement interval is track pitch 10m, shot point spacing 10m,
Line-spacing 40m, sample rate 0.5ms, record length 2s, finally forms the CDP face elements of 5m*5m, investigation depth, which reaches, to be surveyed in underground
Construction below the domain of exploratory area within 1500m, it is deep-controlled in the following 100m of ash difficult to understand.
It is using beneficial effect caused by above-mentioned technical proposal：The method is pre- by a conventional static three-dimensional earthquake
Survey expands to multiple dynamical feedback prediction and evaluation, and detection method also in traditional 3-D seismics basic data, adds probing
Data are disclosed with digging, from indirect detection to direct detection, establish iterative feedback mechanism, effectively increase 3-D seismics prediction essence
Accuracy.
Since this method fully takes into account the verification situation of digging and live exposure data to earthquake prediction, and carry out continuous
Iterative feedback processing, explain, predict and verify again, on the basis of the technology of conventional three-dimensional earthquake, establishes drilling and digging discloses
For the iterative feedback mechanism of checking information, the 3-D seismics whole process geology dynamic realized truly is explored, can be maximum
Limit finds out mine development end, the geological structure preservation situation in the range of back production destroying infection, improves prospecting prediction precision, for optimization
Mine design provides foundation, more can effectively avoid the accidents such as roof fall, gushing water from occurring, and ensures the security of the lives and property of people.
The precision of 3-D seismic interpretation achievement is fundamentally improved, is carried for mine planning, Mining block design and roadway layout
For geologic basis, optimize integral layout, improve production efficiency, farthest avoid and reduce various drivings and exploitation accident,
Production safety is ensured.
Brief description of the drawings
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：1st, receiving station 2, wave detector 3, shot point 4, seismic reflection circuit.
Embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is from the limitation of following public specific embodiment.
As shown in Figure 1, the invention discloses a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, the method bag
Include following steps：
1）Hidden geological tectonic whether there is using 3-d seismic exploration method delineation minable coal seam position, and determine that its is specific
Position and scope；
Specifically, as shown in Fig. 2, when minable coal seam area carries out 3-d seismic exploration, excited, connect using dynamite source
Receive station 1 and receive 2 data of wave detector, wherein 2 arrangement interval of wave detector is track pitch 10m, shot point 3 spacing 10m, line-spacing 40m, sample rate
0.5ms, record length 2s, finally form the CDP of 5m*5m in underground（Depth collection point altogether）Face element, investigation depth, which reaches, to be surveyed
Construction below the domain of exploratory area within 1500m, it is deep-controlled in the following 100m of ash difficult to understand, by D seismic modeling, solve
Release, inverting integrated technique is to being predicted coal seam and geological structure preservation situation.
2）Disclosed using actual tunnel and results of drilling is constraints, wherein probing carries out vertical wire constraint, tunnel
Disclose and carry out horizontal wire constraint, real-time verification and assay are carried out to the result of 3-d seismic exploration；
3）Minable coal seam geological information after verification and analysis is dissolved into 3-d seismic exploration result, it is anti-with iteration
Feedback method, the exploration area result for not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, is solved again
Release and reapply, constraints constantly changes, and to 3D seismic data geology dynamic interpretation prediction whole-process control, ultimately forms coal
Ore deposit 3-D seismics whole process geological analysis achievement.
A conventional static three-dimensional earthquake prediction is expanded to multiple dynamical feedback prediction and evaluation, detection method by the method
Also in traditional 3-D seismics technical foundation data, add probing and digging discloses data, from indirect detection to directly spy
Survey, establish iterative feedback mechanism, effectively increase 3-D seismics prediction precision.,
Since this method fully takes into account the verification situation of digging and live exposure data to earthquake prediction, and carry out continuous
Iterative feedback processing, explain, predict and verify again, in the basic data of the technology of conventional three-dimensional earthquake, establishes drilling and digging
The iterative feedback mechanism for checking information is disclosed, wherein probing carries out vertical wire constraint, tunnel, which discloses, carries out horizontal wire about
Beam, constraints constantly change, and realize 3-D seismics whole process geology dynamic exploration control truly, being capable of maximum limit
Degree finds out mine development end, the geological structure preservation situation in the range of back production destroying infection, improves prospecting prediction precision, to optimize ore deposit
Well design provides foundation, more can effectively avoid the accidents such as roof fall, gushing water from occurring, and ensures the security of the lives and property of people.
The precision of 3-D seismics achievement is fundamentally improved, provides ground for mine planning, Mining block design and roadway layout
Matter foundation, optimizes integral layout, improves production efficiency, farthest avoids and reduces various drivings and exploitation accident, ensure
Production safety.
Claims (1)
1. a kind of mine three-dimensional earthquake whole process geological prospecting Forecasting Methodology, it is characterised in that described method includes following steps：
1) the preservation situation of Mine area geologic structure is described using 3-d seismic exploration method, delineation minable coal seam position whether there is
Hidden geological tectonic, and determine its specific location and scope；
2) disclosed using actual tunnel and results of drilling is constraints, wherein probing carries out vertical wire constraint, tunnel discloses
Horizontal wire constraint is carried out, real-time verification and assay are carried out to the result of 3-d seismic exploration；
3) it will verify and be dissolved into the minable coal seam geological information after assay in 3-d seismic exploration result, it is anti-with iteration
Feedback method, the exploration area result for not meeting detection precision requirement is reprocessed by 3-d seismic exploration method, is solved again
Release and reapply, with the continuous change of digging, coal seam discloses more and more, and constraints constantly changes, to 3-D seismics
Data geology dynamic interpretation prediction whole-process control, ultimately forms colliery 3-D seismics whole process geological analysis achievement；
Wherein, in the step 1)：When minable coal seam area carries out 3-d seismic exploration, excited, received using dynamite source
Stand (1) receive wave detector (2) data, wherein wave detector (2) arrangement interval is track pitch 10m, shot point (3) spacing 10m, line-spacing 40m,
Sample rate 0.5ms, record length 2s, ultimately form the CDP face elements of 5m*5m, and investigation depth reaches 1500m below survey area
Within construction, it is deep-controlled in the following 100m of ash difficult to understand.
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| CN108761532B (en) * | 2018-05-08 | 2021-02-19 | 河北煤炭科学研究院 | Coal mine working face fault prediction 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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