CN105301661A - Random measurement method for water electrical prospecting - Google Patents
Random measurement method for water electrical prospecting Download PDFInfo
- Publication number
- CN105301661A CN105301661A CN201510859905.9A CN201510859905A CN105301661A CN 105301661 A CN105301661 A CN 105301661A CN 201510859905 A CN201510859905 A CN 201510859905A CN 105301661 A CN105301661 A CN 105301661A
- Authority
- CN
- China
- Prior art keywords
- survey line
- prospecting
- electrodes
- spread
- resistivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000691 measurement method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000009422 external insulation Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004870 electrical engineering Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a random measurement method for water electrical prospecting, which belongs to the technical field of water electrical engineering prospecting and comprises the steps of instrument installation, adjustment, measurement, calculation and the like. According to the technical scheme, by adopting a random measurement method, the input of manual labor and auxiliary tools is reduced, the working efficiency is greatly improved, meanwhile, the number density of the measurement electrodes is increased to 15, the survey precision is greatly improved, and in addition, the personnel and equipment potential safety hazards in the working process are also greatly reduced because the multiple ships are not required to be matched and completed.
Description
Technical field
The invention belongs to hydroelectric project exploration engineering field, relate to a kind of random measurement method of resistivity prospecting waterborne.
Background technology
Resistivity prospecting is the main method of hydroelectric project exploration, and especially Hydraulic and Hydro-Power Engineering, carries out resistivity prospecting waterborne more.Conventional resistivity prospecting adopts symmetrical quadrupole device to carry out electric sounding, two electrodes in outside are power pole, two middle electrodes are potential electrode, on river surface, a steel cable is fixed along survey line during work, a sounding position is determined in advance, centered by this puts, on both sides by a certain determining deviation fixation measuring electrode on steel cable, then along wire rope by nearly layout and measurement to far completing transmitting electrode, just complete the work of a depth measurement point.Owing to being measure on the water, river flow velocity is fast, and need use 2 ~ 3 canoes to run pole to carry out electrode surface pole and to measure, measurement point is apart from 10m-30m, potential electrode is apart from number 6-7, need multiple group to coordinate together, group 10 people She can only complete 200m survey line length for one day, and every bar ship has cable to be connected, with the line direction of control survey ship, the method inefficiency, cost of labor is high, and artificial, equipment all exists potential safety hazard.
Summary of the invention
In order to solve the problem, the invention provides a kind of random measurement method of resistivity prospecting waterborne, thus reach raising measurement efficiency and accuracy, reduce the effect of labour intensity.
The present invention is achieved by following technical solution.
A random measurement method for resistivity prospecting waterborne, comprises the steps:
(1) apparatus installation: the floating towing cable of random installation on the water surface, external insulation wire is supported by floating towing cable, some gps antennas installed by floating towing cable, and the position at each gps antenna place is as a measurement point, by external insulation wire, gps antenna is in parallel successively with electrical prospecting apparatus;
(2) adjust: by the electrode on the spread of electrodes adjustment cable of design in advance, make each spread of electrodes all reach the spread of electrodes value of design, determine electrode parameter relevant to depth measurement scope on survey line;
(3) measure: select a survey line arbitrarily, the electric class interval arranging and adjust on floating towing cable, drag floating towing cable by a surveying vessel to navigate by water along survey line, electrical prospecting apparatus is arranged on surveying vessel, driving surveying vessel against the current flow path direction at the uniform velocity travels, and the electrical prospecting apparatus on surveying vessel is measured along survey line successively according to argument sequence, and records the spread of electrodes parameter of every period, record the gps coordinate of each measuring point, until complete the measurement of all spread of electrodes on whole piece survey line simultaneously; And then select other survey line arbitrarily, measure along new survey line, repeat aforesaid operations, until selected each line direction uniform fold river surface all directions to be measured;
(4) calculate: the interpretation principle utilizing electric sounding, the data randomly drawing all pole span measuring points within the scope of river surface to be measured by certain density carry out Depth Inverse, thus complete the resistivity prospecting waterborne in a region.
In described step (3), electrical prospecting apparatus need be determined and record surveying vessel headway before measuring.
In described step (3), when electrical prospecting apparatus is measured, need be undertaken by certain time interval, and measure at a high speed, record sampling interval.
In described step (3), after often completing whole spread of electrodes measurements of a survey line, the achievement that each measurement point is measured is depicted as the coordinate diagram of " level is apart from pole span one apparent resistivity value " form, the principle according to resistivity prospecting carries out stratigraphic section explanation.
In described step (3), using level apart from as x coordinate in described coordinate diagram, using pole span as Y-coordinate, measured value is marked one by one on coordinate, and each point is connected, form apparent resistivity value curve.
The invention has the beneficial effects as follows:
The random measurement method of a kind of resistivity prospecting waterborne of the present invention, compared with prior art, has following effect:
1, only need 2-3 people to work, a ship, gives up the wire rope, can complete the survey line length of 2-3km every day, is more than 10 times of former odd-numbered day performance, substantially increases work efficiency;
2, random selecting many survey line repetitive measurement, broad covered area, measurement point is apart from being up to 1 meter, and potential electrode number reaches as high as 15, and precision improves 10 times, improves exploration precision;
3, one is drawn cable, surveying vessel, an one set of instrument just can carry out the work, and greatly reduces potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the floating towing cable of electric sounding random measurement in the present invention;
Fig. 2 adopts this method to carry out the work on the spot schematic diagram tested in the present invention;
Fig. 3 is electric sounding random measurement data processing product figure in the present invention.
In figure: 1-electrical prospecting apparatus, 2-electrodic electron converter, 3-surveying vessel, 4-electrode, 5-floater shot, 7-river, 8-external insulation wire, 9-GPS antenna.
Embodiment
Technical scheme of the present invention is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1, Figure 2, Figure 3 shows, the random measurement method of a kind of resistivity prospecting waterborne of the present invention, is characterized in that, comprise the steps:
(1) apparatus installation: the floating towing cable of random installation on the water surface, external insulation wire is supported by floating towing cable, some gps antennas installed by floating towing cable, and the position at each gps antenna place is as a measurement point, by external insulation wire, gps antenna is in parallel successively with electrical prospecting apparatus;
(2) adjust: by the electrode on the spread of electrodes adjustment cable of design in advance, make each spread of electrodes all reach the spread of electrodes value of design, determine electrode parameter relevant to depth measurement scope on survey line;
(3) measure: electrical prospecting apparatus need be determined and record surveying vessel headway before measuring; When electrical prospecting apparatus is measured, need be undertaken by certain time interval, and measure at a high speed, record sampling interval; Any selection survey line, the electric class interval arranging and adjust on floating towing cable, drag floating towing cable by a surveying vessel to navigate by water along survey line, electrical prospecting apparatus is arranged on surveying vessel, driving surveying vessel against the current flow path direction at the uniform velocity travels, and the electrical prospecting apparatus on surveying vessel is measured along survey line successively according to argument sequence, and records the spread of electrodes parameter of every period, record the gps coordinate of each measuring point, until complete the measurement of all spread of electrodes on whole piece survey line simultaneously; And then select other survey line arbitrarily, measure along new survey line, repeat aforesaid operations, until selected each line direction uniform fold river surface all directions to be measured; After often completing whole spread of electrodes measurements of a survey line, the achievement that each measurement point is measured is depicted as the coordinate diagram of " level is apart from pole span one apparent resistivity value " form, the principle according to resistivity prospecting carries out stratigraphic section explanation; Using level apart from as x coordinate in described coordinate diagram, using pole span as Y-coordinate, measured value is marked one by one on coordinate, and each point is connected, form apparent resistivity value curve.
(4) calculate: the interpretation principle utilizing electric sounding, the data randomly drawing all pole span measuring points within the scope of river surface to be measured by certain density carry out Depth Inverse, thus complete the resistivity prospecting waterborne in a region.
Embodiment
As shown in Figure 1 and Figure 2, prepare the floating towing cable that possesses whole four pole symmetry electrode array modes, this floating towing cable comprises floater shot 5 and external insulation wire 8, be immersed in river 7 after external insulation wire 8 evenly arranges floater shot, floater shot 5 swims on the water surface, outside insulated conductor 8 evenly arranges electrode 4, the spacing of electrode 4 is about 1.0 ~ 1.5m, all installs gps antenna 9 in the measurement point position of each electrode 4 of floating towing cable; Electrical prospecting apparatus 1 and electrodic electron converter 2 are arranged in a surveying vessel 3, external insulation wire 8 is connected with electrical prospecting apparatus 1.
First by the electrode 4 on the spread of electrodes adjustment cable of design in advance, determine electrode parameter relevant to depth measurement scope on survey line, any selected survey line on river surface; Drag floating towing cable by surveying vessel 3 at the uniform velocity to navigate by water along survey line, and record the headway of surveying vessel 3, the electrical prospecting apparatus 1 surveying vessel 3 connecting floating towing cable carries out high speed to each measuring point successively by certain time interval and measures and record corresponding spread of electrodes parameter, record the gps coordinate of each measuring point simultaneously, record sampling interval, until complete the measurement of whole piece survey line.
And then select other survey line arbitrarily, arrange and adjust the electric class interval floating towing cable needing work, and again measure along survey line according to aforesaid operations, until complete the surveying work of all spread of electrodes.After often completing whole spread of electrodes surveying works of a survey line, the measured value of each measurement point is plotted in the sectional drawing of " level distance (X-coordinate) pole span (Y-coordinate) apparent resistivity value (measured value) " form, and each point is connected successively, form resistivity value curve, as shown in Figure 3, optional many surveys line then obtain many curves, to guarantee the accuracy of measurement result; Finally, the principle according to resistivity prospecting carries out stratigraphic section explanation.
Claims (5)
1. a random measurement method for resistivity prospecting waterborne, is characterized in that, comprise the steps:
(1) apparatus installation: the floating towing cable of random installation on the water surface, external insulation wire is supported by floating towing cable, some gps antennas installed by floating towing cable, and the position at each gps antenna place is as a measurement point, by external insulation wire, gps antenna is in parallel successively with electrical prospecting apparatus;
(2) adjust: by the electrode on the spread of electrodes adjustment cable of design in advance, make each spread of electrodes all reach the spread of electrodes value of design, determine electrode parameter relevant to depth measurement scope on survey line;
(3) measure: select a survey line arbitrarily, the electric class interval arranging and adjust on floating towing cable, drag floating towing cable by a surveying vessel to navigate by water along survey line, electrical prospecting apparatus is arranged on surveying vessel, driving surveying vessel against the current flow path direction at the uniform velocity travels, and the electrical prospecting apparatus on surveying vessel is measured along survey line successively according to argument sequence, and records the spread of electrodes parameter of every period, record the gps coordinate of each measuring point, until complete the measurement of all spread of electrodes on whole piece survey line simultaneously; And then select other survey line arbitrarily, measure along new survey line, repeat aforesaid operations, until selected each line direction uniform fold river surface all directions to be measured;
(4) calculate: the interpretation principle utilizing electric sounding, the data randomly drawing all pole span measuring points within the scope of river surface to be measured by certain density carry out Depth Inverse, thus complete the resistivity prospecting waterborne in a region.
2. the random measurement method of a kind of resistivity prospecting waterborne according to claim 1, is characterized in that: in described step (3), and electrical prospecting apparatus need be determined and record surveying vessel headway before measuring.
3. the random measurement method of a kind of resistivity prospecting waterborne according to claim 1, is characterized in that: in described step (3), when electrical prospecting apparatus is measured, need be undertaken by certain time interval, and measures at a high speed, record sampling interval.
4. the random measurement method of a kind of resistivity prospecting waterborne according to claim 1, it is characterized in that: in described step (3), after often completing whole spread of electrodes measurements of a survey line, the achievement that each measurement point is measured is depicted as the coordinate diagram of " level is apart from pole span one apparent resistivity value " form, the principle according to resistivity prospecting carries out stratigraphic section explanation.
5. the random measurement method of a kind of resistivity prospecting waterborne according to claim 4, it is characterized in that: in described step (3), using level distance as X-coordinate in described coordinate diagram, using pole span as Y-coordinate, measured value is marked one by one on coordinate, and each point is connected, form apparent resistivity value curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859905.9A CN105301661A (en) | 2015-11-30 | 2015-11-30 | Random measurement method for water electrical prospecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510859905.9A CN105301661A (en) | 2015-11-30 | 2015-11-30 | Random measurement method for water electrical prospecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105301661A true CN105301661A (en) | 2016-02-03 |
Family
ID=55199136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510859905.9A Pending CN105301661A (en) | 2015-11-30 | 2015-11-30 | Random measurement method for water electrical prospecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105301661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646633A (en) * | 2016-12-15 | 2017-05-10 | 中国海洋大学 | System and method for marine underway detection of seabed gas eruption |
| CN111427092A (en) * | 2020-05-13 | 2020-07-17 | 天津华北地质勘查总院 | Method for improving geophysical prospecting electrical deep field construction efficiency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945359A (en) * | 2005-10-04 | 2007-04-11 | 普拉德研究及开发股份有限公司 | Electromagnetic survey system with multiple sources |
| CN101051088A (en) * | 2006-02-22 | 2007-10-10 | 维斯特恩格科地震控股有限公司 | Particle motion vector measurement in a towed, marine seismic cable |
| CN103197346A (en) * | 2013-04-08 | 2013-07-10 | 中国海洋石油总公司 | Processing method of towrope exploration navigational positioning data |
-
2015
- 2015-11-30 CN CN201510859905.9A patent/CN105301661A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945359A (en) * | 2005-10-04 | 2007-04-11 | 普拉德研究及开发股份有限公司 | Electromagnetic survey system with multiple sources |
| CN101051088A (en) * | 2006-02-22 | 2007-10-10 | 维斯特恩格科地震控股有限公司 | Particle motion vector measurement in a towed, marine seismic cable |
| CN103197346A (en) * | 2013-04-08 | 2013-07-10 | 中国海洋石油总公司 | Processing method of towrope exploration navigational positioning data |
Non-Patent Citations (3)
| Title |
|---|
| 任广欣 等: "走航式水下多道电阻率探测系统研制与应用", 《地球物理学进展》 * |
| 任广欣: "走航式水下多道电阻率测量系统设计与可行性试验", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
| 蒋甫伟: "一种走航式快速探测海床土电阻率的技术方法研究", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646633A (en) * | 2016-12-15 | 2017-05-10 | 中国海洋大学 | System and method for marine underway detection of seabed gas eruption |
| CN111427092A (en) * | 2020-05-13 | 2020-07-17 | 天津华北地质勘查总院 | Method for improving geophysical prospecting electrical deep field construction efficiency |
| CN111427092B (en) * | 2020-05-13 | 2022-12-27 | 天津华北地质勘查总院 | Method for improving geophysical prospecting electrical sounding deep field construction efficiency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102508303B (en) | Advanced detection method for focusing chromatography induced polarization of underground engineering | |
| CN111708088B (en) | Transient electromagnetic real-time dynamic advanced detection method and system based on magnetic gradient tensor | |
| CN113156518B (en) | Real-time advanced detection method for vector resistivity of water-containing disaster body | |
| CN106706715A (en) | Polluted soil detection method based on three-dimensional high-density electrical resistivity method | |
| US9846254B2 (en) | Method for marine electric survey of oil-gas deposits and apparatus for carrying out thereof | |
| CN206378448U (en) | Polluted Soil detection arrangement of measuring-line structure based on comprehensive geophysical prospecting methods | |
| CN113341467A (en) | Mine transient electromagnetic three-dimensional display method based on multi-interpolation method | |
| CN105301661A (en) | Random measurement method for water electrical prospecting | |
| CN206696448U (en) | Ocean controllable source time-frequency electromagnetic data acquisition system | |
| CN106932827A (en) | Ocean controllable source time-frequency electromagnetic data acquisition system and method | |
| CN103941095B (en) | A kind of method that the resistivity of underground metallic conduit surrounding soil is tested | |
| CN203658601U (en) | A tunnel model test device achieving multiple geophysical field advanced detection | |
| AU2020101906A4 (en) | A method for multi-channel transient electromagnetic survey using broadside configuration | |
| AU2014201354A1 (en) | Systems and methods for measuring water properties in electromagnetic marine surveys | |
| RU2356070C2 (en) | Method of 3d-sea electrical exploration of oil and gas deposits | |
| CN103499838A (en) | Transient electromagnetic measuring device and recognizing method for anomalous body orientation recognition | |
| RU2253881C9 (en) | Device for naval geophysical prospecting by electric means in ship motion and method for naval geophysical prospecting by electric means | |
| CN109392305B (en) | Method for predicting size of steel tower foundation | |
| CN107728220B (en) | Artificial magnetization device and detection method for deep buried abandoned well | |
| CN203745134U (en) | Explosion shock wave data acquisition device in container for simulated deep water explosion test | |
| CN206348292U (en) | Polluted Soil detection arrangement of measuring-line structure based on three-dimensional high-density resistivity method | |
| CN114137036B (en) | Grouting range rapid detection method based on adjacent source potential resistivity | |
| CN104502986B (en) | Physical prospecting induced electrical sounding data chromatography processing method | |
| CN103728673B (en) | A kind of tunnel model test device realizing many geophysical fields forward probe | |
| CN103809202A (en) | Induced polarization sounding multichannel observation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |
|
| RJ01 | Rejection of invention patent application after publication |