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CN110007352A - A kind of underwater crossing pipeline detection integrated system and method - Google Patents

A kind of underwater crossing pipeline detection integrated system and method Download PDF

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Publication number
CN110007352A
CN110007352A CN201910183349.6A CN201910183349A CN110007352A CN 110007352 A CN110007352 A CN 110007352A CN 201910183349 A CN201910183349 A CN 201910183349A CN 110007352 A CN110007352 A CN 110007352A
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Prior art keywords
pipeline
detection
electro
depth
magnetic receiver
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CN201910183349.6A
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Inventor
何世亮
戴伟
孙毅
赵华
阮伟东
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Ningbo Huitong Pipeline Technology Co Ltd
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Ningbo Huitong Pipeline Technology Co Ltd
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Priority to CN201910183349.6A priority Critical patent/CN110007352A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • G01C13/008Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30Assessment of water resources

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  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Environmental & Geological Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Hydrology & Water Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The present invention relates to a kind of underwater crossing pipelines to detect integrated system, it is characterized in that, including side scan sonar, sounding instrument, GPS Base Station, computing module, pipeline electromagnetics transmitter, pipeline electro-magnetic receiver and test pile, the river depth of water right above the side scan sonar detection pipeline, the pipeline electromagnetics transmitter transmission of electromagnetic signals, the pipeline electro-magnetic receiver receives electromagnetic signal, the distance of detection pipe centerline to river surface;The invention also discloses its detection methods.The invention has the benefit that realizing the automation that data acquire in detection process, and it is accurately positioned the position of pipeline;Based on electromagnetic signal buried depth of pipeline computation model, accurately calculating for underwater crossing pipeline great burying is realized;It is accurate that electro-magnetic receiver receives signal;Accurate positioning to underwater crossing pipeline and directional drilling crossing pipeline, overburden layer thickness accurately calculate, pipeline anticorrosion coating damage testing and positioning, provide reliable basis for pipeline improvement, avoid pipeline that accident occurs.

Description

A kind of underwater crossing pipeline detection integrated system and method
Technical field
The present invention relates to pipeline inspection technology fields, it particularly relates to which a kind of underwater crossing pipeline detects integrated system And method.
Background technique
Crossing pipeline detects engineering field under water, and the currently used country is that sonar, GPS and Radiodetection Limited is raw The buried pipeline erosion resistant coating detector of production combines carry out on-site test.Sichuan water conservancy Vocationl Technical College Zhou little Li et al. Detection method outside the river crossing pipeline based on GPS-RTK technology has been delivered on geospatial information in May, 2016 The paper of (1672-4623 (2016) 03-0099-03), using the side of detection outside the river crossing pipeline based on GPS-RTK technology Method, integrated use DM pipeline anticorrosion coating detector, sounding instrument, GPS, total station etc. construct the outer detection system of crossing pipeline, realize Detection to river crossing pipeline.The remaining outstanding person et al. of Southwest Oil branch company long distance pipeline detection assessment centers, which has delivered, to be based on The paper of underwater the crossing pipeline detection method and application study of GPS-RTK technology establishes a set of based on GPS-RTK, PCM inspection Survey the underwater crossing pipeline detection technique scheme of instrument.
But above scheme mainly applies a few set equipment together simultaneously, realizes the measurement of buried depth of pipeline, it is existing to ask Topic mainly has the following with disadvantage: buried depth of pipeline depends on the performance of DM PCM pipeline anticorrosion coating detecting instrument, right The larger pipeline error of buried depth is very big, can not achieve the measurement of great burying.PCM erosion resistant coating detector is mainly used to manage land Road is detected, and buried depth Computing Principle is using the difference using upper and lower two horizontal coils magnetic induction line strength level component Value, is calculated buried depth of pipeline with static method.It upper and lower about 0.4 meter of horizontal coil distance, if buried depth of pipeline is larger, measures Upper lower coil magnetic induction component gap very little, so that buried depth cannot be accurately calculated;During carrying out GPS positioning to pipeline, rely on It is manually recorded in the maximum buried depth position for the pipeline that PCM or DM are shown since in the detection process, ship is moving always Position, there are the time differences, cause pipeline location positioning inaccurate.
The distance that the calculating of buried depth of pipeline is generally adopted by river surface to pipe centerline subtracts the depth of water, to obtain pipeline Thickness of earth-fill cover.For the distance of river surface to pipe centerline, the buried pipeline for being generally adopted by the U.S. or Britain is anti-for the country Rotten layer detector measurement, but buried pipeline erosion resistant coating detector is primarily directed to terrestrial pipeline, buried depth detection range is general It is very big more than 5 error of meter within 5 meters, therefore for water depth increases or pipeline great burying, such as directional drilling crossing river Pipeline, detection accuracy is excessively poor, or even cannot detect.Meanwhile submarine pipeline is being carried out using buried pipeline erosion resistant coating detector When detection, the position of pipeline is recorded when instrument display buried depth maximum numerical value to the artificial use written notes record that pipeline location is leaned on, But since in detection process, ship is being moved always, so as to cause the position inaccurate to pipeline.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the object of the present invention is to provide a kind of underwater crossing pipeline detection collection At system and method, above-mentioned aspect in the prior art is overcome the shortcomings of.
The purpose of the present invention is be achieved through the following technical solutions:
A kind of underwater crossing pipeline detection integrated system, which is characterized in that including side scan sonar, sounding instrument, GPS Base Station, calculating Module, pipeline electromagnetics transmitter, pipeline electro-magnetic receiver and test pile, the pipeline electromagnetics transmitter pass through with the test pile Cable is connected in series, and forms a circuit, the river depth of water right above the side scan sonar detection pipeline, the pipe with pipeline Line electromagnetics transmitter transmission of electromagnetic signals, the pipeline electro-magnetic receiver receive electromagnetic signal, detection pipe centerline to river surface Distance.
Further, the computing module includes following function model:
Buried depth of pipeline based on electromagnetic signal calculates Exponential function model:
E=A+B × e-h/w
In formula: E is signal strength, and A, B and W are constant, and h is detection depth;
Buried depth of pipeline based on electromagnetic signal calculates Lognormal function model:
In formula: E is signal strength, and A, B, σ, μ are constant, and h is detection depth;
Buried depth of pipeline based on electromagnetic signal calculates Logistic function model:
In formula: E is signal strength, and A, B etc. are constant, and h is detection depth.
Further, the pipeline electromagnetics transmitter, the pipeline electromagnetics transmitter include the first power module, and described the One power module is connected with programed power control module, the programed power control module respectively with the first micro-control unit MCU and radio frequency PA is connected, the first micro-control unit MCU respectively with the first electric quantity indicator LCD display, CDCE generator and Filter is connected, and the CDCE generator is connected with the radio frequency PA, and the radio frequency PA is connected with the filter.
Further, the pipeline electromagnetics transmitter further includes speech I/O system.
The pipeline electromagnetics transmitter has battery capacity to show and low capacity prompt, radio frequency power output closed-loop control, Be conducive to the signal scaling of receiver;Tranmitting frequency closed-loop control, it is ensured that the stability of emission signal frequency;Of output impedance Match, is conducive to the raising of transmitter radio-frequency transmissions efficiency;Speech I/O system prompt, facilitates operation and fault detection; LCD display shows, parameter regulation and checks more intuitive.
Further, the pipeline electro-magnetic receiver, for magnetic signal data to be input in dynamic computing module to pipe Road buried depth is calculated, the pipeline electro-magnetic receiver include second power supply module, low-pass filter V, low-pass filter H and GPS, the low-pass filter V are connected with low-noise amplifier V, the low-noise amplifier V and dual channel high speed AD conversion Device is connected, and the low-pass filter H is connected with low-noise amplifier H, and the low-noise amplifier H is put with programmable-gain Big device PGA is connected, and the programmable gain amplifier PGA is connected with the dual channel high speed converter, the bilateral Road speed A/D converter is connected with the second micro-control unit MCU, the second micro-control unit MCU and the programmable-gain Amplifier PGA and the second electric quantity indicator LCD display are connected, the GPS and the second micro-control unit MCU phase Connection.
Sounding instrument, GPS and pipeline electro-magnetic receiver, three realize that the real time data of three matches according to GPS coordinate point, pipe Line electro-magnetic receiver frequency acquisition is arranged according to field condition, embedded with bluetooth function, horizontal coil built in pipeline electro-magnetic receiver With vertical coil, when pipeline electro-magnetic receiver is right above pipeline, horizontal signal value is maximum, and vertical signal value is zero.
Further, the pipeline electro-magnetic receiver further includes voice entry system.
The pipeline electro-magnetic receiver reception frequency is adjustable and locking phase receives, and is conducive to improve sensitivity, realization is adopted automatically Collect function, the settable how many a data of acquisition;Vertical signal participates in auxiliary positioning, right by judging vertical signal wave minimum value Site operation personnel positions conduit positions and provides reference;Support hand automatic gain control control, manual gain range be 1/100, 1/10,1,10,100,1000, under automatic gain control, MCU automatically switches most suitable gain according to the average value that AD is acquired Value, guarantees the linearity of signal with this;The mode that receiver data interface is designed as standard RS232 serial ports uploads data to calculating Machine;The sampling time interval for uploading data is adjustable, and compatibility is stronger;Battery capacity shows and has low capacity prompt function;LCD is aobvious Display screen shows that facilitate operation and device parameter checks that metal shell designs, and has certain anti-electromagnetic interference capability;Coil can It is lauched;Receiver data interface matches HYPACK software Echotrac/Hydrotrac.
A method of the underwater crossing pipeline detection based on dynamic algorithm the described method comprises the following steps:
S1, the connecting cable at the pipeline test pile of river both ends in the loop by transmitter series connection form closed circuit;
S2, pipeline electromagnetics transmitter transmission of electromagnetic signals, pipeline electro-magnetic receiver is along reception signal value above pipeline;
S3, detection boat walk zigzag walking along pipeline, and side scan sonar, GPS and pipeline electro-magnetic receiver three data are real When acquire;
S4, side scan sonar sound the depth of the water, and pipeline electro-magnetic receiver receives the electromagnetic signal above pipeline, GPS and sonar and electromagnetism The matching of both receivers, collects data;
S5, calculating, the horizontal position that pipeline overburden layer thickness is carried out using the buried depth of pipeline software for calculation based on levels electromagnetic signal The detection of the determination and pipeline anticorrosion coating breakage set.
Further, the calculation method of the pipeline overburden layer thickness are as follows:
H=L1-L2-R1
Wherein: L1: the distance of pipe centerline to river surface receives signal by electro-magnetic receiver and calculates acquisition;
L2: the river depth of water right above pipeline is obtained by sonar contact;
R1: pipe radius.
The invention has the benefit that
By receiver, GPS and Sonar system, three's data are realized by record in real time by GPS, realize number in detection process According to the automation of acquisition;
Both receiver and GPS are connect, realizes while receive pipe electromagnetic signal, collects the GPS of electromagnetic signal Coordinate, to realize the position for being accurately positioned pipeline;
Based on electromagnetic signal buried depth of pipeline computing module, realize underwater crossing pipeline great burying accurately calculate and pipeline corrosion protection The detection of layer;
Electro-magnetic receiver enters water function, so that the position of pipeline is more nearly, so that it is more accurate to receive signal;Realize that electromagnetism connects Receipts machine frequency acquisition and automatic collection writing function, to realize the accurate positioning to pipeline;
Can be realized the accurate positioning to underwater crossing pipeline and directional drilling crossing pipeline, overburden layer thickness accurately calculates, from And judge whether pipeline dew pipe occurs, it realizes the risk assessment to pipeline, provides reliable basis for pipeline improvement, pipeline is avoided to send out It makes trouble former;
By pipe electromagnetic signal attenuation law at analysis erosion resistant coating, submarine pipeline deficiency of protection coating localization method is obtained: in water In lower pipeline deficiency of protection coating detection process, using " pipe earth-return " and " close spacing " detection mode, along duct orientation interval 1-2 Rice intensively takes a little, and pipeline magnetic field intensity right above measurement pipeline draws pipeline magnetic field intensity decay curve, judges that it whether there is Decay pattern of anomaly region, to realize the identification and positioning of deficiency of protection coating.
Detailed description of the invention
Below according to attached drawing, invention is further described in detail.
Fig. 1 is the system diagram for disclosing detection submarine pipeline;
Fig. 2 is a kind of underwater crossing pipeline detection integrated system and method detection boat river surface row described in the embodiment of the present invention Route use state is walked with reference to figure;
Fig. 3 is a kind of underwater crossing pipeline detection integrated system and method detection calculated result reference described in the embodiment of the present invention Figure;
Fig. 4 is pipeline electromagnetics transmitter structural block diagram;
Fig. 5 is pipeline electro-magnetic receiver structural block diagram.
Specific embodiment
As shown in Figure 2-5, a kind of underwater crossing pipeline detection integrated system and method described in the embodiment of the present invention:
1) scene prepares, the analysis including river surface width and the river depth of water, the determination of river both ends test pile position;
2) erection of GPS RTK;
3) after the completion of GPS Base Station is set up, when data start acquisition, start to carry out cable to two nearest test piles of river both ends Connection in the loop by electromagnetic signal transmitter series connection guarantees that it forms a circuit with pipeline;
4) pairing of PDA (mobile phone) and portable antenna is held;
5) acquisition of river both ends land pipelines data, turning, mark generally every one point of 6-10 meters of measurements, to the every place of pipeline It is got ready the positions such as will stake;
6) certain on the pipeline of river one end is chosen, the measurement (measurement by sound) of practical buried depth of pipeline is carried out, then by pipeline Electromagnetic receiver is every to increase 0.5 meter, acquires a data, generally carries out the acquisition of 7 data;
7) it needs to acquire before starting water detection work and seeks pipe instrument reading, record time and water level elevation at calibration point ground Reading;
8) when all appts connection is errorless, after software is provided with, so that it may start waterborne have detected.In test process, ship is with S Shape track traveling, driving trace appear in test screen;
9) all data are stored in computer, carry out Data Management Analysis using software algorithm.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application Art scheme, is within the scope of the present invention.

Claims (8)

1. a kind of underwater crossing pipeline detects integrated system, which is characterized in that including side scan sonar, sounding instrument, GPS Base Station, meter Module, pipeline electromagnetics transmitter, pipeline electro-magnetic receiver and test pile are calculated, the pipeline electromagnetics transmitter and the test pile are logical It crosses cable to be connected in series, forms a circuit with pipeline, the river depth of water right above the side scan sonar detection pipeline is described Pipeline electromagnetics transmitter transmission of electromagnetic signals, the pipeline electro-magnetic receiver receive electromagnetic signal, detection pipe centerline to river The distance in face.
2. a kind of underwater crossing pipeline according to claim 1 detects integrated system, which is characterized in that the computing module Including following function model:
Buried depth of pipeline based on electromagnetic signal calculates Exponential function model:
E=A+B × e-h/w
In formula: E is signal strength, and A, B and W are constant, and h is detection depth;
Buried depth of pipeline based on electromagnetic signal calculates Lognormal function model:
In formula: E is signal strength, and A, B, σ, μ are constant, and h is detection depth;
Buried depth of pipeline based on electromagnetic signal calculates Logistic function model:
In formula: E is signal strength, and A, B etc. are constant, and h is detection depth.
3. a kind of underwater crossing pipeline according to claim 1 detects integrated system, which is characterized in that the pipeline electromagnetism Transmitter, the pipeline electromagnetics transmitter include the first power module, and first power module is connected with programed power control module It connects, the programed power control module is connected with the first micro-control unit MCU and radio frequency PA respectively, first micro-control unit MCU is connected with the first electric quantity indicator LCD display, CDCE generator and filter respectively, the CDCE generator It is connected with the radio frequency PA, the radio frequency PA is connected with the filter.
4. a kind of underwater crossing pipeline according to claim 3 detects integrated system, which is characterized in that the pipeline electromagnetism Transmitter further includes voice entry system.
5. a kind of underwater crossing pipeline according to claim 1 detects integrated system, which is characterized in that the pipeline electromagnetism Receiver calculates buried depth of pipeline for magnetic signal data to be input in dynamic computing module, and the pipeline electromagnetism connects Receipts machine includes second power supply module, low-pass filter V, low-pass filter H and GPS, the low-pass filter V and low noise amplification Device V is connected, and the low-noise amplifier V is connected with dual channel high speed converter, the low-pass filter H and low noise Amplifier H is connected, and the low-noise amplifier H is connected with programmable gain amplifier PGA, the programmable automation controller Device PGA is connected with the dual channel high speed converter, the dual channel high speed converter and the second micro-control unit MCU It is connected, the second micro-control unit MCU and the programmable gain amplifier PGA and the second electric quantity indicator LCD Display screen is connected, and the GPS is connected with the second micro-control unit MCU.
6. a kind of underwater crossing pipeline according to claim 5 detects integrated system, which is characterized in that the pipeline electromagnetism Receiver further includes voice entry system.
7. a kind of method of the underwater crossing pipeline detection based on dynamic algorithm, which is characterized in that the method includes following steps It is rapid:
S1, the connecting cable at the pipeline test pile of river both ends in the loop by transmitter series connection form closed circuit;
S2, pipeline electromagnetics transmitter transmission of electromagnetic signals, pipeline electro-magnetic receiver is along reception signal value above pipeline;
S3, detection boat walk zigzag walking along pipeline, and side scan sonar, GPS and pipeline electro-magnetic receiver three data are real When acquire;
S4, side scan sonar sound the depth of the water, and pipeline electro-magnetic receiver receives the electromagnetic signal above pipeline, GPS and sonar and electromagnetism The matching of both receivers, collects data;
S5, calculating, the horizontal position that pipeline overburden layer thickness is carried out using the buried depth of pipeline software for calculation based on levels electromagnetic signal The detection of the determination and pipeline anticorrosion coating breakage set.
8. a kind of method of underwater crossing pipeline detection based on dynamic algorithm according to claim 7, which is characterized in that The calculation method of the pipeline overburden layer thickness are as follows:
H=L1-L2-R1
Wherein: L1: the distance of pipe centerline to river surface receives signal by electro-magnetic receiver and calculates acquisition;
L2: the river depth of water right above pipeline is obtained by sonar contact;
R1: pipe radius.
CN201910183349.6A 2019-03-12 2019-03-12 A kind of underwater crossing pipeline detection integrated system and method Pending CN110007352A (en)

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Cited By (7)

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CN110567420A (en) * 2019-08-19 2019-12-13 佛山科学技术学院 An Accurate Method for Measuring Underwater Buried Depth of Pipeline
CN113834419A (en) * 2020-06-08 2021-12-24 中国石油天然气股份有限公司 Pipeline depth measurement method and device
CN115014234A (en) * 2022-07-01 2022-09-06 南京大学 Underwater photoelectric composite cable buried depth measuring method based on distributed optical fiber sound field sensing
CN115291284A (en) * 2022-01-17 2022-11-04 山东省地质测绘院 An accurate positioning method for ultra-deep underground pipelines
CN115640490A (en) * 2022-10-18 2023-01-24 江苏管建穿越工程有限公司 Underground metal pipeline positioning calculation method
CN119535615A (en) * 2024-11-27 2025-02-28 天津纵横科技服务有限公司 A method and system for locating deeply buried metal pipelines based on non-destructive detection by electromagnetic method
CN119805469A (en) * 2025-03-13 2025-04-11 上海达华测绘科技有限公司 A method and electronic device for obtaining buried depth of submarine pipeline

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110567420A (en) * 2019-08-19 2019-12-13 佛山科学技术学院 An Accurate Method for Measuring Underwater Buried Depth of Pipeline
CN113834419A (en) * 2020-06-08 2021-12-24 中国石油天然气股份有限公司 Pipeline depth measurement method and device
CN113834419B (en) * 2020-06-08 2023-08-22 中国石油天然气股份有限公司 Method and device for measuring pipeline depth
CN115291284A (en) * 2022-01-17 2022-11-04 山东省地质测绘院 An accurate positioning method for ultra-deep underground pipelines
CN115291284B (en) * 2022-01-17 2025-03-21 山东省地质测绘院 A method for accurately locating ultra-deep underground pipelines
CN115014234A (en) * 2022-07-01 2022-09-06 南京大学 Underwater photoelectric composite cable buried depth measuring method based on distributed optical fiber sound field sensing
CN115640490A (en) * 2022-10-18 2023-01-24 江苏管建穿越工程有限公司 Underground metal pipeline positioning calculation method
CN119535615A (en) * 2024-11-27 2025-02-28 天津纵横科技服务有限公司 A method and system for locating deeply buried metal pipelines based on non-destructive detection by electromagnetic method
CN119805469A (en) * 2025-03-13 2025-04-11 上海达华测绘科技有限公司 A method and electronic device for obtaining buried depth of submarine pipeline

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Application publication date: 20190712