CN107305257A - High Density Resistivity and transient electromagnetic method joint inversion technology - Google Patents
High Density Resistivity and transient electromagnetic method joint inversion technology Download PDFInfo
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- CN107305257A CN107305257A CN201610251152.8A CN201610251152A CN107305257A CN 107305257 A CN107305257 A CN 107305257A CN 201610251152 A CN201610251152 A CN 201610251152A CN 107305257 A CN107305257 A CN 107305257A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
Abstract
The invention discloses High Density Resistivity and transient electromagnetic method joint inversion technology, (1) step is less than X using high-density electric from depthmSuperficial part burn area and goaf collection shallow resistivity numerical value；(2) step is more than X using rectangular loop source transient electromagnetic method from depthmDeep baked wheaten cake area and goaf collection deep resistivity numerical value；(3) step carries out approximate three-dimensional inversion interpretation to the shallow resistivity numerical value and deep resistivity numerical value being combined, and then obtains and accurately descends the electrical explanation results of section.The present invention can make the obtained resistivity data of high-density resistivity and the resistivity data not obtained by transient electromagnetic method form unified 3D data volume (the visual horizontal, longitudinal direction and the dropping cut slice that obtain stratum), and carry out quantitative interpretation is obtained to unified three-dimensional data.
Description
Technical field
The present invention relates to the computer technology of data supple-settlement, particularly High Density Resistivity and transient electromagnetic method joint inversion technology.
Background technology
High Density Resistivity can quickly and accurately provide institute's geodetic electricity to processing of many kinds of parameters through corresponding program and automatic inversion imaging
The geologic interpretation map of section, so as to improve the effect and operating efficiency of resistivity method.High Density Resistivity has profile method and electricity concurrently
The effect of bathymetry, and have the advantages that it is a little big away from small, data acquisition density, compared with conventional resistive rate profile method, bathymetry, both
Electrical variation tendency of the detection geologic body in a certain depth in the horizontal direction can be provided, can also reflect geologic body vertically different
The electrical situation of change of depth, can reflect the electrical distortion characteristics of detection geologic body from two-dimensional level.But High Density Resistivity
There is significant limitations, i.e. its inverting is confined to two dimensional inversion, not easy to identify to the electrical property feature on stratum, the exception to stratum is difficult to judge,
Deep formation can only electrically be detected.According to the transient electromagnetic method technical characteristic sensitive to low-resistance precursor reactant, transient electromagnetic method is one
The method for planting great development prospect, can find out aqueous geology such as Cave and passage, coal mine gob, the irregular water body in deep etc..
Transient electromagnetic method is most sensitive method improving investigation depth and being found in high resistant area on the technological layer of low-resistance geologic body, with certainly
It is dynamic to eliminate Main Noise Sources, and without the influence of topography, with point combination observation, have Best Coupling with detection target, exception response is strong, form
Simply, the advantages of resolution capability is strong.However, transient electromagnetic method is indifferent to the vertical layered of superficial part, although use the same point of the small length of side
Device can reach very high lateral resolution but because the sampling time can not raise very early, thus to the vertical layered ability of superficial part by
To limitation.
The content of the invention
It is an object of the invention to provide a kind of High Density Resistivity and transient electromagnetic method joint inversion technology, high-density resistivity can be made
Obtained resistivity data and the resistivity data not obtained by transient electromagnetic method form unified 3D data volume and (obtain stratum
Visual horizontal, longitudinal direction and dropping cut slice), carry out quantitative interpretation is obtained to unified three-dimensional data.
The object of the present invention is achieved like this：A kind of High Density Resistivity and transient electromagnetic method joint inversion technology, step (1)-use
High-density electric is less than X from depthmSuperficial part burn area and goaf collection shallow resistivity numerical value；Step (2)-using rectangular loop source
Transient electromagnetic method is more than X from depthmDeep baked wheaten cake area and goaf collection deep resistivity numerical value；Step (3)-to the superficial part that is combined
Resistivity value and deep resistivity numerical value carry out approximate three-dimensional inversion interpretation, then obtain and accurately descend the electrical explanation results of section.
The present invention is primarily used to detection and more accurately positioning coal mine gob and burns the aqueous scope in area.Because electric resistivity exploration is extensive
Applied to oil, infrastructure, mineral metal products etc., the present invention can also be applied to non-coal mine field.The present invention utilizes comprehensive logging
Data, sets up the resistivity models in all electrically detected regions, row constraint Inversion Calculation is entered to it, can be obtained high-density resistivity
The resistivity data obtained forms unified 3D data volume with the resistivity data not obtained by transient electromagnetic method and (obtains the visual of stratum
Laterally, longitudinal direction and dropping cut slice), carry out quantitative interpretation is obtained to unified three-dimensional data.
Figure of description
Schematic flow sheet when Fig. 1 is employed for the present invention.
Embodiment
A kind of High Density Resistivity and transient electromagnetic method joint inversion technology, as shown in figure 1, step (1)-using high-density electric from depth
Degree is less than XmSuperficial part burn area and goaf collection shallow resistivity numerical value；Step (2)-using rectangular loop source transient electromagnetic method from depth
Degree is more than XmDeep baked wheaten cake area and goaf collection deep resistivity numerical value；Step (3)-to the shallow resistivity numerical value and depth that are combined
Portion's resistivity value carries out approximate three-dimensional inversion interpretation, then obtains and accurately descends the electrical explanation results of section.
The present invention combines High Density Resistivity and the technological merit of transient electromagnetic method, generates approximate three-dimensional inversion chart, and can very easily
Two even more planes, profiles are selected to be contrasted.Certainly, the present invention also can individually use High Density Resistivity or transition
Electromagnetic method carry out inverting into figure (such as：Arrange parameter Xm=0, then the present invention only generate transient electromagnetic method into figure).
Claims (1)
1. a kind of High Density Resistivity and transient electromagnetic method joint inversion technology, it is characterized in that：Step (1)-use high-density resistivity
Method is less than X from depthmSuperficial part burn area and goaf collection shallow resistivity numerical value；Step (2)-use rectangular loop source wink
Become electromagnetic method and be more than X from depthmDeep baked wheaten cake area and goaf collection deep resistivity numerical value；Step (3)-to what is be combined
Shallow resistivity numerical value and deep resistivity numerical value carry out approximate three-dimensional inversion interpretation, then obtain and accurately descend section electricity
Property explanation results.
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| CN201610251152.8A CN107305257A (en) | 2016-04-21 | 2016-04-21 | High Density Resistivity and transient electromagnetic method joint inversion technology |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802834A (en) * | 2018-02-13 | 2018-11-13 | 中国科学院电子学研究所 | A kind of buried target recognition methods based on joint inversion |
| CN110007357A (en) * | 2019-05-16 | 2019-07-12 | 核工业航测遥感中心 | A kind of aviation TEM and aviation MT joint inversion method |
| CN110231659A (en) * | 2019-06-03 | 2019-09-13 | 中铁二院工程集团有限责任公司 | Buried depth changes railway tunnel aviation electromagnetic detection method greatly |
| CN110823962A (en) * | 2019-11-14 | 2020-02-21 | 山东大学 | Three-dimensional imaging method and system for landslide mass |
| CN111781651A (en) * | 2020-06-11 | 2020-10-16 | 四川中成煤田物探工程院有限公司 | Karst detection method combining three geophysical prospecting methods and two geological methods |
| CN111983689A (en) * | 2020-08-27 | 2020-11-24 | 青海省第四地质勘查院 | Near-source electromagnetic seismoelectric joint GR inversion method |
| CN112255693A (en) * | 2020-10-20 | 2021-01-22 | 陕西煤业化工技术研究院有限责任公司 | Goaf filling space detection method under coal mine fully mechanized caving coal mining process condition |
| CN114370071A (en) * | 2021-11-29 | 2022-04-19 | 北京恒祥宏业基础加固技术有限公司 | Device, system and method for monitoring controllable grouting reinforcement of existing building in real time |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802834A (en) * | 2018-02-13 | 2018-11-13 | 中国科学院电子学研究所 | A kind of buried target recognition methods based on joint inversion |
| CN110007357A (en) * | 2019-05-16 | 2019-07-12 | 核工业航测遥感中心 | A kind of aviation TEM and aviation MT joint inversion method |
| CN110231659A (en) * | 2019-06-03 | 2019-09-13 | 中铁二院工程集团有限责任公司 | Buried depth changes railway tunnel aviation electromagnetic detection method greatly |
| CN110823962A (en) * | 2019-11-14 | 2020-02-21 | 山东大学 | Three-dimensional imaging method and system for landslide mass |
| CN111781651A (en) * | 2020-06-11 | 2020-10-16 | 四川中成煤田物探工程院有限公司 | Karst detection method combining three geophysical prospecting methods and two geological methods |
| CN111781651B (en) * | 2020-06-11 | 2022-08-05 | 四川中成煤田物探工程院有限公司 | Karst detection method combining three geophysical prospecting methods and two geological methods |
| CN111983689A (en) * | 2020-08-27 | 2020-11-24 | 青海省第四地质勘查院 | Near-source electromagnetic seismoelectric joint GR inversion method |
| CN112255693A (en) * | 2020-10-20 | 2021-01-22 | 陕西煤业化工技术研究院有限责任公司 | Goaf filling space detection method under coal mine fully mechanized caving coal mining process condition |
| CN114370071A (en) * | 2021-11-29 | 2022-04-19 | 北京恒祥宏业基础加固技术有限公司 | Device, system and method for monitoring controllable grouting reinforcement of existing building in real time |
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