CN106291722B - A kind ofly-well induced-polarization measurement method and relevant device - Google Patents
A kind ofly-well induced-polarization measurement method and relevant device Download PDFInfo
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- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
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Abstract
A kind ofly-well induced-polarization measurement the method and relevant device provided in the embodiment of the present invention, using IP in well, there is its unique prospecting result, essentially consist in it in production, utilize drilling or tunnel, it is powered or measuring device, closer to detection purpose object, therefore the signal of the deep anomaly source of observation is stronger, relatively increase depth of exploration, it can also be from electric field depth space distribution characteristics caused by different depth not ipsilateral measurement detected object, more acurrate richer ground electricity data can be obtained, it can solve the insoluble certain geological problems of surface electric survey.
Description
Technical field
The present invention relates to exploration field, in particular to a kind ofly-well induced-polarization measurement method and relevant device.
Background technique
Induced polarization method (abbreviation induced polarization method) is to swash the difference of electrical effect as geophysical exploration using underground difference rock, ore
Electrical effect is swashed by observing and studying the earth, in a kind of method of Underground geological condition in basis.Search for mineral deposit exploration and
Hydrogeology, engineering geology, resource of water supply explore various aspects extensive application.For China to look for mine cause to make huge
Contribution, not only has found all kinds of non-ferrous metal deposits such as a large amount of copper, lead, zinc, molybdenum, and find noble metal ferrous metal,
In terms of the mineral deposits such as rare metal, important function has also been played.
Lower stable DC is supplied to the earth by AB current electrode, is lying concealed the MN measurement electricity above natural electric conductivity
It can observe the charge and discharge curve changed over time between pole, the moment of power supply can observe primary current on MN ground resistance
Primary potential difference produced on the ore body with electronic conduction and the country rock interface with ionic conduction under the action of nonlocal field
Stored charge has been given birth to, and has formd additional electric field, has generated secondary current.Using this characteristic, by secondary in ground observation
The situation of change of electric current achievees the purpose that the occurrence status for inferring underground ore bodies.
Fig. 1 is that area measurement figure is intensified on ground, and wherein AB is emission electrode, respectively arranges three in emission electrode two sides
Bar survey line, Hydrographic General Line direction is parallel with emission electrode, to carry out swashing electric area measurement.
Sounding of induced polarization is rock, ore body vertically apparent chargeability (η under a certain depth measurement point of researchs) variation side
Method.Its electrode arrangement and moving method are identical with resistivity sounding, current electrode (A, B) the two sides measuring point O in opposite direction
It is displaced outwardly, and measuring electrode (M, N) is motionless or keeps certain proportion with ABGround is mobile simultaneously.It is commonly used to estimate
The buried depth of polarization body.Utilize ηsThe method of curve approximation estimation buried depth has turning point method, bathmometry and saturation value point method etc..
Fig. 2 is ground sounding of induced polarization schematic diagram, is symmetrical quadrupole device, electrodes of A, B and measuring electrode M, N
It is symmetrically arranged point-blank, AO ︰ BO=AB/2, MO ︰ NO=MN/2, therefore claims symmetrical quadrupole arrangement.As electrode spacing (AB/
2) variation and the position of measuring point O it is constant when, then constitute symmetrical four-pole sounding arrangement.
In well the method for electrical method physical prospecting mainly have cross beam floor, IP in well, electromagnetic wave in well, borehole radar,
Self-potential method in Low Frequency Electromagnetic Methods and well in well, can be with the geology knot between detecting shaft, around the borehole wall and in well between earth's surface
Structure.Its main working method has ground-well method, well-ground mode and well-well mode, mainly measures apparent resistivity, secondary field electricity
The parameters such as potential difference or apparent chargeability.Be widely used in Solid Mineral exploration, the hydrology and engineering field, Petroleum finance with
And coal exploration and exploitation, achieve preferable geological effect.
IP in well is that current electrode or measuring electrode are put into underground by drilling or probing engineering, carries out induced polarization
A kind of underlying geophysical prospecting of method observation, IP in well method powers or measures in well, by ground noise and ground mulching layer
Influence becomes smaller, and increases IP effect, thus this method is in widespread attention and develops.Induced polarization method is mainly adopted in well at present
With time domain measurement, mainly there are ground-well, well-Jing Hejing-ground working method.
Fig. 3 is well-well working method, and well-well mode is well power supply, and in another well measurements, the pole A is placed on ore bed or has
Near the exception of meaning, the pole B is laid at earth's surface " infinity "；Arrangement of the measuring electrode " MN " in well is: upper, N's M exists
Under, record point is at the midpoint MN.Its feature is used to find between two holes ore body or determines that ore body seen in two holes is electrical connected problem.
Fig. 4 is well-ground working method, this working method is the mine being placed in current electrode " A " in drilling or in tunnel
On body, B is beaten in earth's surface pole at " infinity ", and measuring electrode lays Mo, Nx, Ny tri-, and by left hand, (middle finger is downward, and index finger refers to
Y, thumb refer to X) rectangular coordinate system arrangement, Mo is origin of coordinate, and is record point.In measurement process, observe along profile direction
The primary field and secondary field electric potential gradient (including charge rate) of (X-axis) and vertical section direction (Y-axis).It interrogates on the ground that it is solved
Topic is demanded and is drawn a circle to approve on the ground ore body areal extent, finds adjacent blind mineralization body, IP in well relative to surface electric survey,
It is big with depth of exploration, the advantages that resolution capability is strong, and anomaly intensity is big, and Explanation Accuracy is high.The prior art is for gold by detecting shaft
Belong to sulfide blind orebody and determine ore body counter bored holes spatial distribution range and state, is not provided with relevant programme, technology
Personnel increase difficulty when surveying
Summary of the invention
In view of this, the embodiment of the invention provides a kind ofly-well induced-polarization measurement method and relevant devices.
A kind ofly-well induced-polarization measurement method is provided in the embodiment of the present invention, comprising:
The drilling for measurement is vertically arranged perpendicular to earth's surface in region to be measured；
Current electrode is arranged in earth's surface around the drilling, and the current electrode is located in the region to be measured；
Reference electrode is arranged in the position of drilling infinity described in the surface distance in the region to be measured；
The first measuring electrode and the second measuring electrode, first measuring electrode and described second are suspended in the drilling
Measuring electrode has preset interval in vertical direction；
Obtain the first location information of first measuring electrode and second measuring electrode in the drilling；
The second location information at test electrode midpoint is determined according to the positional information, wherein the test electrode midpoint
For the midpoint between the first test electrode and the second test electrode；
The test electrode midpoint, which is obtained, using ground induced polarization method is in the first measurement position in the current electrode
When corresponding the first metrical information for including the first apparent resistivity and the first apparent chargeability and the test electrode midpoint exist
Second including the second apparent resistivity and the second apparent chargeability that the current electrode is in corresponding when the second measurement position is surveyed
Information is measured, and repeats to measure；
First metrical information is obtained according to multiple measurement and second metrical information determines the region to be measured
The areal extent of interior ore body, so that determining the adjacent blind mineralization body of the drilling according to the areal extent.
Optionally, the ground induced polarization method calculates apparent resistivity and the method for apparent chargeability includes:
K=2 π rAM·rAN/(rAN-rAM)
Wherein, k is electrode coefficient,Respectively first test electrode and the second test electricity
Primary field, secondary field and potential difference of total field on extremely.
Optionally, the basis repeatedly measures first metrical information and second metrical information determine it is described to
The areal extent of ore body in measured zone, comprising:
According to being demanded on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
With delineation ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
A kind ofly-well induced-polarization measurement device is provided in the embodiment of the present invention, described device includes:
Ground-well measurements device transmitting module, for establish in measurement environment-secondary field；
Ground-well measurements device receiving module, for obtaining the potential difference received in the primary field；
Data acquisition module, for by describedly-well measurements device receiving module acquisition in describedly-well measurements device
The potential difference that transmitting module is in the different location is converted into apparent resistivity and apparent chargeability, and according to ore body is calculated
Areal extent.
Optionally, describedly-well measurements device receiving module includes the first measuring electrode and the second measuring electrode, described
First measuring electrode and second measuring electrode are arranged at vertical direction interval.
Optionally, the operating mode of described device measurement and transmitting is automatic mode or fixed mode.
A kind ofly-well induced-polarization measurement device is provided in the embodiment of the present invention, described device includes:
First measuring unit, for being vertically arranged perpendicular to earth's surface the drilling for measurement in region to be measured；
Current electrode is arranged for the earth's surface around the drilling in first setting unit, and the current electrode is located at institute
It states in region to be measured；
Ginseng is arranged in second setting unit, the position for the infinity that drills described in the surface distance in the region to be measured
Examine electrode；
Third setting unit, for suspending the first measuring electrode and the second measuring electrode in the drilling, described first
Measuring electrode has preset interval in vertical direction with second measuring electrode；
First acquisition unit, for obtaining first measuring electrode and second measuring electrode in the drilling
First location information；
First determination unit, for determining the second location information at test electrode midpoint according to the positional information, wherein
The test electrode midpoint is the midpoint between the first test electrode and the second test electrode；
Second measuring unit, for obtaining the test electrode midpoint in the current electrode using ground induced polarization method
Corresponding the first metrical information including the first apparent resistivity and the first apparent chargeability, Yi Jisuo when in the first measurement position
It is corresponding including the second apparent resistivity and second when the current electrode be in the second measurement position to state test electrode midpoint
Second metrical information of apparent chargeability, and repeat to measure；
Second determination unit, for according to repeatedly measurement obtains first metrical information and second metrical information is true
The areal extent of ore body in the fixed region to be measured, so that determining the adjacent blind ore of the drilling according to the areal extent
Change body.
Optionally, second measuring unit is specifically used for:
K=2 π rAM·rAN/(rAN-rAM)
Wherein, k is electrode coefficient,Respectively first test electrode and the second test electricity
Primary field, secondary field and potential difference of total field on extremely.
Optionally, second determination unit is specifically used for:
According to being demanded on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
With delineation ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
A kind ofly-well induced-polarization measurement the method and relevant device provided in the embodiment of the present invention, using IP in well,
There is its unique prospecting result, essentially consist in it in production, using drilling or tunnel, power supply or measuring device are closer
In detection purpose object, therefore the signal for the deep anomaly source observed is stronger, relatively increases depth of exploration, can also be from difference
Ipsilateral does not measure electric field depth space distribution characteristics caused by detected object to depth, can obtain more acurrate richer ground electricity money
Material, can solve the insoluble certain geological problems of surface electric survey.
Detailed description of the invention
Fig. 1 is the schematic diagram that area measurement is intensified on ground in the prior art；
Fig. 2 is the schematic diagram of the signal of ground sounding of induced polarization in the prior art；
Fig. 3 is the schematic diagram that well-well working method measures in the prior art；
Fig. 4 is the schematic diagram that well-ground working method measures in the prior art；
Fig. 5 is a kind ofly-well induced-polarization measurement method instrumentation plan in the embodiment of the present invention；
Fig. 6 is the signal for testing electrode movement position in the embodiment of the present invention in a kind ofly-well induced-polarization measurement method
Figure；
Fig. 7 be in the embodiment of the present invention a kind ofly-village well induced-polarization measurement method Zhong Mujia-well swashs electric composite measurement
Schematic diagram；
Fig. 8 is a kind ofly -59 line generalization section of the village well induced-polarization measurement method Zhong Mujia signal in the embodiment of the present invention
Figure.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Effect of induced polarization: under the secondary field of artificial current field-or excitation field action, the rock with different electrochemical properties
Stone or ore, the secondary electrical field (induced polarization field) for being changed over time generation due to electrochemical action.This physical chemistry is made
With referred to as effect of induced polarization.It includes the effect of induced polarization of electronic conductor and the effect of induced polarization of ion conductor.
Influence effect of induced polarization factor include:
1, rock and ore material composition: general, the induced polarization intensity of electronic conduction mineral is larger, and polarizability (η) is 10%
More than；
2, the content and structure of of metalliferous mineral: general, metalliferous mineral content is more under same structural condition, polarizability (η)
It is bigger；In the case where metalliferous mineral content is equal, disseminated structure ore than compact shape structure ore polarizability (η) greatly,
3, supply current: current density is within the scope of tens microamperes/square centimeter, voltage of secondary field Δ U2；With power supply
The variation of electric current I direct ratio, polarization field potential difference Δ U also increase with multiple, and there are also substantial connections for power-on time.
Induced polarization method: English: induced polarization method is the induced polarization according to rock, ore
Effect is come one group of electrical prospecting method the problems such as finding metal and solve hydrogeology, engineering geology.It is divided into direct current again and swashs
Send out polarization method (time domain method) and alternating current induced polarization method (frequency domain method (SIP)).Common electrode arrangement has Middle-gradient row
Column, composite profile arrangement, fixed point source arrangement, symmetrical four-pole sounding arrangement etc..It can also be with filling ore body directly or indirectly
Electricity method come draw a circle to approve ore body extension and increase depth of exploration.
A kind ofly-well induced-polarization measurement method is provided in conjunction with shown in Fig. 5 and Fig. 6, in the embodiment of the present invention, comprising:
S101, the drilling for measurement is vertically arranged perpendicular to earth's surface in region to be measured；
Current electrode is arranged in S102, the earth's surface around the drilling, and the current electrode is located at the region to be measured
It is interior；
Reference electrode is arranged in S103, the position of drilling infinity described in the surface distance in the region to be measured；
The first measuring electrode and the second measuring electrode, first measuring electrode and institute are suspended in S104, the drilling
Stating the second measuring electrode has preset interval in vertical direction；
S105, the first position letter of first measuring electrode and second measuring electrode in the drilling is obtained
Breath；
S106, the second location information for determining test electrode midpoint according to the positional information, wherein the test electrode
Midpoint is the midpoint between the first test electrode and the second test electrode；
S107, the test electrode midpoint is obtained using ground induced polarization method in the current electrode in the first measurement
When position it is corresponding include the first apparent resistivity and the first apparent chargeability the first metrical information and the test electrode in
Point corresponding the including the second apparent resistivity and the second apparent chargeability when the current electrode be in the second measurement position
Two metrical informations, and repeat to measure；
S108, first metrical information is obtained according to repeatedly measurement and second metrical information determine it is described to be measured
The areal extent of ore body in region, so that determining the adjacent blind mineralization body of the drilling according to the areal extent.
In step s 107, in order to be more conducive to find out the trend of mineralization body and spatial situation, it is also necessary to change power supply
The position of electrode A is emitted in different positions, and same position is received in well.According to A1, A2, A3, A4 in Fig. 6
Position lay emission electrode respectively.The orientation of target geological body counter bored holes is known as best orientation A1, also referred to as main orientation, phase
Reverse claims reverse A3, other two orientation are auxiliary orientation A2 and A4, to this without limiting.
Optionally, the ground induced polarization method calculates apparent resistivity and the method for apparent chargeability includes:
K=2 π rAM·rAN/(rAN-rAM)
Wherein, k is electrode coefficient,Respectively first test electrode and the second test electricity
Primary field, secondary field and potential difference of total field on extremely.
Optionally, the basis repeatedly measures first metrical information and second metrical information determine it is described to
The areal extent of ore body in measured zone, comprising:
According to being demanded on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
With delineation ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
Referring to figs. 7 and 8, a kind ofly-well mentioned in the embodiment of the present invention is excited below with reference to concrete scene
Polarization measurement method is illustrated, with the validity of verification method:
Ground-well method induced-polarization measurement has been carried out in the village the Mu Jia Copper Mine hole ZK5901.
28 ° of the village the Mu Jia Copper Mine hole ZK5901 aperture orientation, does not get to copper mine body in drilling process, then carries out ground-
The induced polarization method of well mode measures.Electric logging observed result show to have near 165 meters of well sections a stronger natural potential,
Charge rate is coincide abnormal well.Ground-well swashs the azimuthal measurement of electricity, at upper and lower tens meters of the position of the well section, has apparent
It is good to lead high polarization anomalous reflection, especially the Δ V in two orientation A3, A41、ΔV2Anomalous reflection amplitude is big, combines in positive and negative value
Off-note, show that A3, A4 electrode spacing anomaly source are nearest, accordingly infer anomaly source (ore body) main body be located at the orientation A3, A4 (brill
Hole southwest side), this measurement result is the strong supplement to drilling data.
59 line generalization sectional view of the village Tu8Wei Mujia, it is seen that the orientation A3 secondary field is in anti-s type, and the orientation A1 secondary field is in s type,
Infer that anomaly source (ore body) is to well inclined accordingly, that is to say, that ZK5901 beats in hole the tail by the nearly well of anomaly source (ore body)
Portion.The hole ZK5902,208 ° of aperture orientation are then laid again.Copper mine body is got to, it was confirmed that the above-mentioned ore body of deduction is opposite
The hole ZK5901 spatial distribution state is correct.
Detection result shows: IP in well, has its unique prospecting result, essentially consists in it in production, utilize drilling
Or tunnel, power supply or measuring device, closer to detection purpose object, therefore the signal for the deep anomaly source observed is stronger, phase
Depth of exploration is increased over the ground.Moreover, ipsilateral, does not measure electric field depth space caused by detected object also from different depth
Distribution characteristics can obtain more acurrate, richer ground electricity data, can solve that surface electric survey is insoluble to interrogate certainly
Topic.
A kind ofly-well induced-polarization measurement device is additionally provided in the embodiment of the present invention, described device includes:
Ground-well measurements device transmitting module, for establish in measurement environment-secondary field；
Ground-well measurements device receiving module, for obtaining the potential difference received in the primary field；
Data acquisition module, for by describedly-well measurements device receiving module acquisition in describedly-well measurements device
The potential difference that transmitting module is in the different location is converted into apparent resistivity and apparent chargeability, and according to ore body is calculated
Areal extent.
Optionally, describedly-well measurements device receiving module includes the first measuring electrode and the second measuring electrode, described
First measuring electrode and second measuring electrode are arranged at vertical direction interval.
Optionally, the operating mode of described device measurement and transmitting is automatic mode or fixed mode.
A kind ofly-well induced-polarization measurement device is additionally provided in the embodiment of the present invention, described device includes:
First measuring unit, for being vertically arranged perpendicular to earth's surface the drilling for measurement in region to be measured；
Current electrode is arranged for the earth's surface around the drilling in first setting unit, and the current electrode is located at institute
It states in region to be measured；
Ginseng is arranged in second setting unit, the position for the infinity that drills described in the surface distance in the region to be measured
Examine electrode；
Third setting unit, for suspending the first measuring electrode and the second measuring electrode in the drilling, described first
Measuring electrode has preset interval in vertical direction with second measuring electrode；
First acquisition unit, for obtaining first measuring electrode and second measuring electrode in the drilling
First location information；
First determination unit, for determining the second location information at test electrode midpoint according to the positional information, wherein
The test electrode midpoint is the midpoint between the first test electrode and the second test electrode；
Second measuring unit, for obtaining the test electrode midpoint in the current electrode using ground induced polarization method
Corresponding the first metrical information including the first apparent resistivity and the first apparent chargeability, Yi Jisuo when in the first measurement position
It is corresponding including the second apparent resistivity and second when the current electrode be in the second measurement position to state test electrode midpoint
Second metrical information of apparent chargeability, and repeat to measure；
Second determination unit, for according to repeatedly measurement obtains first metrical information and second metrical information is true
The areal extent of ore body in the fixed region to be measured, so that determining the adjacent blind ore of the drilling according to the areal extent
Change body.
Optionally, second measuring unit is specifically used for:
K=2 π rAM·rAN/(rAN-rAM)
Wherein, k is electrode coefficient,Respectively first test electrode and the second test electricity
Primary field, secondary field and potential difference of total field on extremely.
Optionally, second determination unit is specifically used for:
According to being demanded on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
With delineation ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
A kind ofly-well induced-polarization measurement the method and relevant device provided in the embodiment of the present invention, using IP in well,
There is its unique prospecting result, essentially consist in it in production, using drilling or tunnel, power supply or measuring device are closer
In detection purpose object, therefore the signal for the deep anomaly source observed is stronger, relatively increases depth of exploration, can also be from difference
Ipsilateral does not measure electric field depth space distribution characteristics caused by detected object to depth, can obtain more acurrate richer ground electricity money
Material, can solve the insoluble certain geological problems of surface electric survey.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can store in a kind of computer readable storage medium, on
Stating the storage medium mentioned can be read-only memory, disk or CD etc..
Above to it is provided by the present invention a kind ofly-well induced-polarization measurement method and relevant device carried out detailed Jie
It continues, for those of ordinary skill in the art, thought according to an embodiment of the present invention, in specific embodiments and applications
There will be changes, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (6)
1. a kind ofly-well induced-polarization measurement method characterized by comprising
The drilling for measurement is vertically arranged perpendicular to earth's surface in region to be measured；
Current electrode is arranged in earth's surface around the drilling, and the current electrode is located in the region to be measured；
Reference electrode is arranged in the position of drilling infinity described in the surface distance in the region to be measured；
The first measuring electrode and the second measuring electrode, first measuring electrode and second measurement are suspended in the drilling
Electrode has preset interval in vertical direction；
Obtain the first location information of first measuring electrode and second measuring electrode in the drilling；
The second location information at test electrode midpoint is determined according to the positional information, wherein the test electrode midpoint is institute
State the midpoint between the first test electrode and the second test electrode；
The test electrode midpoint, which is obtained, using ground induced polarization method is in the first measurement position when institute in the current electrode
Corresponding includes the first metrical information of the first apparent resistivity and the first apparent chargeability and the test electrode midpoint described
Current electrode is in the second measurement letter including the second apparent resistivity and the second apparent chargeability corresponding when the second measurement position
Breath, and repeat to measure；
First metrical information is obtained according to multiple measurement and second metrical information determines the region Nei Kuang to be measured
The areal extent of body, so that determining the adjacent blind mineralization body of the drilling according to the areal extent.
2. the method according to claim 1, wherein the ground induced polarization method calculates apparent resistivity and view pole
The method of rate includes:
K=2 π rAM·rAN/(rAN-rAM)
ΔV1 MN=V1 M-V1 N
Wherein, k is electrode coefficient, Δ V1 MN,On respectively first test electrode and the second test electrode
Primary field, secondary field and potential difference of total field.
3. the method according to claim 1, wherein first metrical information that repeatedly measures of the basis and
Second metrical information determines the areal extent of ore body in the region to be measured, comprising:
According to demanding and enclose on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
Determine ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
4. a kind ofly-well induced-polarization measurement device, which is characterized in that described device includes:
First measuring unit, for being vertically arranged perpendicular to earth's surface the drilling for measurement in region to be measured；
Current electrode is arranged for the earth's surface around the drilling in first setting unit, the current electrode be located at it is described to
In measured zone；
Second setting unit, the position setting for the infinity that drills described in the surface distance in the region to be measured is with reference to electricity
Pole；
Third setting unit, for suspending the first measuring electrode and the second measuring electrode, first measurement in the drilling
Electrode has preset interval in vertical direction with second measuring electrode；
First acquisition unit, for obtaining first measuring electrode and second measuring electrode in the drilling
One location information；
First determination unit, for determining the second location information at test electrode midpoint according to the positional information, wherein described
Testing electrode midpoint is the midpoint between the first test electrode and the second test electrode；
Second measuring unit is in for obtaining the test electrode midpoint using ground induced polarization method in the current electrode
Corresponding the first metrical information and the survey including the first apparent resistivity and the first apparent chargeability when the first measurement position
It includes that the second apparent resistivity and second regard pole that it is corresponding when the current electrode be in the second measurement position, which to try electrode midpoint,
Second metrical information of rate, and repeat to measure；
Second determination unit, for according to repeatedly measurement obtains first metrical information and second metrical information determines institute
The areal extent of ore body in region to be measured is stated, so that determining the adjacent blind ore of the drilling according to the areal extent
Body.
5. device according to claim 4, which is characterized in that second measuring unit is specifically used for:
K=2 π rAM·rAN/(rAN-rAM)
ΔV1 MN=V1 M-V1 N
Wherein, k is electrode coefficient, Δ V1 MN,On respectively first test electrode and the second test electrode
Primary field, secondary field and potential difference of total field.
6. device according to claim 4, which is characterized in that second determination unit is specifically used for:
According to demanding and enclose on the region to be measured with the primary field of Y direction and secondary field electric potential gradient along the x axis
Determine ore body areal extent, wherein the X-direction is profile direction, the Y-axis is vertical section direction.
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