CN109736780A - A kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot - Google Patents
A kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot Download PDFInfo
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- CN109736780A CN109736780A CN201910026184.1A CN201910026184A CN109736780A CN 109736780 A CN109736780 A CN 109736780A CN 201910026184 A CN201910026184 A CN 201910026184A CN 109736780 A CN109736780 A CN 109736780A
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- offshore wind
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000011156 evaluation Methods 0.000 title claims abstract description 28
- 238000003384 imaging method Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract 2
- 238000004148 unit process Methods 0.000 claims abstract 2
- 210000002445 nipple Anatomy 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 7
- 238000013523 data management Methods 0.000 claims description 6
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- 230000002463 transducing effect Effects 0.000 claims description 2
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- 230000007423 decrease Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000010276 construction Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 11
- 230000005404 monopole Effects 0.000 description 11
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
- G01V1/46—Data acquisition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/52—Structural details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
- G01V5/04—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
- G01V5/08—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
- G01V5/12—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using gamma or X-ray sources
Abstract
The invention discloses a kind of remote detection imagings of sound wave and evaluation system for the detection of offshore wind farm column foot, including downhole instrument unit, data acquisition transmission unit, exploration ship and ground data processing unit, the downhole instrument unit is put into after wellhole to be measured by the exploration ship to be stepped up the downhole instrument unit and comes into effect well logging, the data acquisition transmission unit acquires the data when downhole instrument unit process, and ground data processing unit is uploaded data to, data processing is carried out by the ground data processing unit.The remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot forms a complete and independent measuring system, using the remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot, the overall merit of the disposable measurement for completing wind-electricity tower construction stratum acoustics parameters and structure geologic body.
Description
Technical field
The present invention relates to offshore wind farm exploration and designs and marine detection logging equipment technical field more particularly to one kind to be used for
The remote detection imaging of sound wave and evaluation system of offshore wind farm column foot detection.
Background technique
Offshore wind farm exploration and design is the link of offshore wind farm previous work indispensability, be offshore wind farm column foot design and construction,
The basis of construction.The design evaluatio of offshore wind farm column foot mainly includes several technological approaches, i.e., conventional geophysical prospecting technology, underground survey
Technology and drill hole sampling technology, every kind of technology have including different implementation methods, and form a variety of measurements and implementation instrument product.
Currently used for the Acoustic logger of offshore wind farm column foot detection, mainly conventional double hairs are double to receive cement bond logging
Well instrument and underground tube wave logger.The double wave instrument frequencies that quiet down of conventional double hairs are single, can only realize that monopole longitudinal wave is surveyed
Amount；Tube wave measuring instrument can be only done the measurement of characteristic near the borehole wall, detection and adaptability to wind-electricity tower borehole formation
Not enough, it is difficult to meet the requirement of wind-electricity tower detection and evaluation.
Offshore wind farm column foot construction, it is to be understood that the distribution of geological substance in column foot regional stratum mechanical characteristic and region
Feature.Currently, the main problem that existing instrument faces includes first, instrumental function is single, and it is vertical that existing instrument can be only done monopole
The measurement of wave obtains the stratum velocity of longitudinal wave near the borehole wall, can not geological substance in the stratum and stratum to column foot region
Carry out thoroughly evaluating and detection；Second, instrument performance is insufficient, and existing instrument working frequency is single, and dominant frequency is higher, narrow bandwidth,
Various modes wave property parameter measurement related to stratum and geological substance evaluation can not be obtained, such as stratum longitudinal wave, shear wave and anti-
Ejected wave etc..
Summary of the invention
The object of the present invention is to provide a kind of downhole instrument units, include high-power single-electrode P wave emission energy converter, low
The orthogonal dipole transmitting transducer of bandwidth band and broadband reception transducer array, once lower well measurements can obtain stratum longitudinal wave,
Shear wave and reflected wave information obtain various stratum dynamics characterisitic parameters required for wind-electricity tower is built.
In order to solve the above-mentioned technical problem, the technical scheme is that
A kind of downhole instrument unit, including sequentially connected reception sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple,
The reception sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple are sequentially connected with by bolt.
The sonic system pipe nipple that receives includes the receiving circuit module and several for receiving sleeve, being arranged on the reception sleeve
Energy converter is received, the lead for receiving energy converter connects the receiving circuit module.The reception energy converter includes by first
The first chamber and the first piezoelectric vibrator being arranged in the first chamber that skeleton is formed, first piezoelectric vibrator are square
Shape or disc.
The transmitting sonic system pipe nipple includes the transmit circuit module and several for emitting sleeve, being arranged on the transmitting sleeve
Transmitting transducer, the lead of the transmitting transducer are connect with the transmit circuit module.The transmitting transducer includes by
The second chamber and the second piezoelectric vibrator being arranged in the second chamber that two skeletons are formed.The transmitting transducer includes
Monopole transmitting transducer and dipole transmitting transducer.Second piezoelectric vibrator of the monopole transmitting transducer is piezoelectricity pottery
Porcelain round tube.Second piezoelectric vibrator of the dipole transmitting transducer is rectangular sheet structure.
The acoustic isolater pipe nipple includes several acoustic isolater subelements, and each acoustic isolater subelement includes shell and setting
Encapsulating colloid in the shell is connected by screw bolts between the acoustic isolater subelement.
It is connected by screw bolts between the reception sleeve, acoustic isolater and transmitting sleeve.
The present invention also provides a kind of remote detection imagings of sound wave and evaluation system for the detection of offshore wind farm column foot, including
Above-mentioned downhole instrument unit, data acquisition transmission unit, exploration ship and ground data processing unit, using exploration ship by downhole instrument
Device unit is put into wait log well, and under the control of data acquisition transmission unit, the downhole instrument unit is completed each in wellhole
The acquisition of kind mode acoustic wave (longitudinal wave, shear wave, Stoneley wave, leakage mode wave, back wave etc.) data, and upload data to described
Ground data processing unit, the ground data processing unit complete the various management and algorithm process of data, export a variety of places
Achievement is managed, and detailed assessment report is provided.
The data acquisition and transmission unit include industrial personal computer and oscillograph, and Acquisition Circuit mould is arranged in the industrial personal computer
Block, by controlling the acquisition circuit module data acquisition, on the one hand by the oscillograph real-time display acoustic waveform,
On the other hand it is transmitted to the ground data processing unit.The acquisition circuit module includes data acquisition circuit module, data
Transmission control module and depth coding control module, the industrial personal computer issue instruction, and the data acquisition circuit module acquires number
According to data have sounding mark after depth coding control module coding, and the data with sounding mark are on the one hand through institute
Oscilloscope display is stated, on the other hand, is transmitted to the ground data processing unit.
The ground data processing unit includes total industrial personal computer and display, is provided with processing software in total industrial personal computer
Module.The processing software module includes data management module and data processing module, and the data management module is completed to receive
The editting function of data, such as the storage of Data Format Transform, data, the alignment of a variety of data depths and correction, scale bar setting, figure
Head editor, data merge and data output format is set etc..The pretreatment of the data processing module completion original acoustic wave data,
Data filtering, various mode wave time difference receivers, a variety of correlation Processing Algorithms, and the various mode velocities of wave obtained using algorithm
Degree, phase and attenuation parameter calculate and determine structure geologic body characteristic parameter etc. by and well related to stratum.Data pass through the number
The Ground Data Processing System is acquired and is transmitted to according to acquisition transmission unit, through described after total industrial personal computer processing
Display shows and exports appraisal report.
The exploration ship includes cable, lifting elements and hydraulic pressure unit, and the cable is both the lifting of downhole instrument unit
Tool and data transmission carrier, the ground data processing unit, data acquisition transmission unit and downhole instrument unit it
Between carried out data transmission by the cable, the lifting elements include pulley and well head control device placed in the middle etc., described hydraulic
Unit controls the promotion and decentralization that the lifting elements complete instrument.
Compared with prior art, the invention has the following advantages that the downhole instrument unit, including sequentially connected reception
Sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple；The reception sonic system pipe nipple includes receiving sleeve, being arranged in the reception
Receiving circuit module and several reception energy converters on sleeve；The transmitting sonic system pipe nipple includes transmitting sleeve, is arranged described
Emit the transmit circuit module on sleeve and several transmitting transducers.The downhole instrument Elementary Function is complete, includes big function
Rate monopole P wave emission energy converter, the orthogonal dipole transmitting transducer of broad band low frequency and broadband reception transducer array, monopole pass
Sensor has carried out high-power transmitting design, can obtain the information of column foot stratum longitudinal wave, and dipole transmitting transducer uses low
Frequency and the Wide-Band Design, it is ensured that shear wave information is obtained in the subsea strata of low speed, once lower well measurements can obtain ground
Layer longitudinal wave, shear wave and reflected wave information can obtain various stratum dynamics characterisitic parameters required for wind-electricity tower is built.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding of the present invention, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
Implement the present invention to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Fig. 1 is that the remote detection imaging of sound wave for the detection of offshore wind farm column foot of a specific embodiment of the invention is with evaluation
The structural schematic diagram of system；
Fig. 2 is the structural schematic diagram of the transmitting transducer of a specific embodiment of the invention；
Fig. 3 is the detail view in Fig. 1 at A；
Fig. 4 is the structural schematic diagram of the reception energy converter of a specific embodiment of the invention；
Fig. 5 is the detail view in Fig. 1 at B.
It is as shown in the figure: 1- downhole instrument unit, 11- receive sleeve, 12- receiving circuit module, 13- receive energy converter,
The first piezoelectric vibrator of 131-, 14- transmitting sleeve, 15- transmit circuit module, 16- transmitting transducer, the second piezoelectric vibrator of 161-,
17- acoustic isolater subelement, 171- shell, 2- data acquisition transmission unit, 21- industrial personal computer, 22- oscillograph, the acquisition of 211- data
Circuit module, 212- data transmission control module, 213- depth coding control module, 3- exploration ship, 31- hoisting structure, 32- liquid
Laminated structure, 4- ground data processing unit, the total industrial personal computer of 41-, 42- display, 43- processing software module, 5- cable.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention
The range of shield.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, a kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot, including underground
Apparatus elements 1, data acquisition transmission unit 2, exploration ship 3 and ground data processing unit 4, using marine exploration ship 3 by well
Lower apparatus elements 1 are put into wait log well, and under the control of data acquisition transmission unit 2, the downhole instrument unit 1 is completed
The acquisition of various mode acoustic wave (longitudinal wave, shear wave, Stoneley wave, leakage mode wave, back wave etc.) data in wellhole, and upload number
According to the ground data processing unit 4 is arrived, the ground data processing unit 4 completes the various management and algorithm process of data,
A variety of processing results are exported, and the detailed assessment report of wind-electricity tower is provided.The ground data processing unit 4, data acquisition
The transmission of data is carried out between transmission unit 2 and downhole instrument unit 1 by cable 5.
The downhole instrument unit 1 includes sequentially connected reception sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple,
The reception sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple are sequentially connected with by bolt.
In conjunction with referring to fig. 4, the reception sonic system pipe nipple includes receiving sleeve 11, being arranged on the reception sleeve 11
Receiving circuit module 12 and several reception energy converters 13, the lead for receiving energy converter 13 connect the receiving circuit module
12, in the present embodiment, the reception energy converter 13 is equipped with 8.The energy converter 13 that receives includes the formed by the first skeleton
One chamber and the first piezoelectric vibrator 131 being arranged in the first chamber, first piezoelectric vibrator 131 are rectangle or circle
4 first piezoelectric vibrators 131 are arranged in each reception energy converter 13 for piece shape, and orthogonal manner combines.Setting institute
It states and receives 11 encapsulation process of sleeve, by the way of filling silicon oil or rubber encapsulating.The reception energy converter 13 completes monopole
The reception of all mode waves such as longitudinal wave and bending wave completes 32 and receives control according to 13 bandwidth feature of reception energy converter
Circuit.
In conjunction with referring to fig. 2, the transmitting sonic system pipe nipple includes transmitting sleeve 14, is arranged on the transmitting sleeve 14
The lead of transmit circuit module 15 and several transmitting transducers 16, the transmitting transducer 16 connects the transmit circuit module
15.The transmitting transducer 16 include the second chamber formed by the second skeleton and be arranged in the second chamber second
Piezoelectric vibrator 161 is arranged the transmitting sleeve 14 and seals, by the way of filling silicon oil or rubber encapsulating.In the present embodiment,
The transmitting transducer 16 includes monopole transmitting transducer and dipole transmitting transducer.The monopole transmitting transducer choosing
The high-power circular tube structure energy converter for meeting Instrument specification size is selected, second piezoelectric vibrator 161 uses piezoelectric ceramic circular tube.
In the present embodiment, the transmitting transducer 16 is arranged 2, is connected in parallel, and working frequency control is in 10kHz~30kHz, then root
According to transducer impedance characteristic, the match circuit of one of unipolar emissive control is completed.The dipole transmitting transducer selection meets
8 are arranged in the present embodiment for three lamination flexural vibration transducers of apparatus structure, and second piezoelectric vibrator 161 is rectangular sheet
Shape structure, second piezoelectric vibrator 161 are that lengthy motion picture forms dipole lengthy motion picture transmitting transducer, second piezoelectric vibrator 161
Dipole short-movie transmitting transducer is formed for short-movie, four dipole lengthy motion picture transmitting transducers and four dipoles are set
Sub- short-movie transmitting transducer, orthogonal manner combination, frequency control is in 0.5kHz~6kHz, according to transducer bandwidth and impedance spy
Property, complete the match circuit of dipole emission control.
In conjunction with referring to Fig. 3, to avoid acoustic emissions signal from being propagate directly to receive energy converter, downhole instrument by tool housing
Device unit must develop acoustic isolater pipe nipple, which will combine the sound insulation of monopole longitudinal wave and DIPOLE FLEXURAL WAVES signal direct wave
Processing, in general, using flexible and notching construction mode.In the present embodiment, the acoustic isolater pipe nipple includes several acoustic isolater
Unit 17, each acoustic isolater subelement 17 include shell 171 and the encapsulating colloid being arranged in the shell, the sound insulation
It is connected by screw bolts between body subelement 17.
Described receive is connected by screw bolts between sleeve 11, the shell 171 of acoustic isolater subelement 17 and transmitting sleeve 14.
The downhole instrument unit completes acoustic measurement by the way that the reception sonic system pipe nipple and transmitting sonic system pipe nipple is arranged.
The downhole instrument unit also installs drilling hole diameter measuring unit additional and provides the survey of well diameter while completing acoustic measurement
Amount, this point are also very important the Detection and assessment of offshore wind farm column foot.Meanwhile also installing drilling natural gamma logging additional
Unit, provides the measurement of natural gamma, and the measurement of natural gamma can be used for evaluating the lithology composition and content of subsea strata.
In addition, it also installs depth measurement unit additional, provides the measurement of wellbore depth, depth measurement is determined for the various stratum in seabed
Depth bounds.
In conjunction with referring to Fig. 5, the data acquisition transmission unit 2 includes industrial personal computer 21 and oscillograph 22, the industrial personal computer 21
Acquisition circuit module and data transmission module are set, adopted by controlling the data that the acquisition circuit module completes various mode waves
On the other hand collection, the data of acquisition are transmitted on the one hand by the 22 real-time display acoustic waveform of oscillograph by the data
Module transfer is to the ground data processing unit 4.The acquisition circuit module includes data acquisition circuit module 211, data
Transmission control module 212 and depth coding control module 213, the industrial personal computer 21 issue instruction, the data acquisition circuit mould
Block 211 acquires data, and data are transmitted to the depth coding control module 213 by the data transmission control module 212 and compile
Sounding mark is had after code, on the one hand the data with sounding mark are shown through the oscillograph 22, on the other hand through the number
The ground data processing unit 4 is transmitted to according to transmission module.The data transmission module is adopted when transmitting in short range
With cable mode, transmitted in far range transmission using data compression scheme, such as Manchester's code.It is deep to encounter drilling
The case where, for the decaying for guaranteeing the data in upload procedure, generally transmitted using data compression scheme.The data acquisition transmission
Unit uses the acquisition mode of various modes wave signal, for example, time difference mode, full-wave train monopolar mode, cross-dipole mode, low
Frequency dipole reflects wave mode etc., acquires a variety of data sets, as much as possible to complete the Detection and assessment needs of offshore wind farm column foot.
The ground data processing unit includes total industrial personal computer 41 and display 42.Total industrial personal computer 41 is provided with processing
Software module 43, the processing software module 43 include data management module and data processing module, the data management module
Complete the editting function of reception data, such as the storage of Data Format Transform, data, the alignment of a variety of data depths and correction, ratio
Ruler setting, figure head editor, data merging and data output format setting etc..The data processing module completes original acoustic wave data
Pretreatment, data filtering, various mode wave time difference receivers, a variety of correlation Processing Algorithms, and obtained using algorithm each
Kind mode wave velocity, phase and attenuation parameter calculate and determine structure geologic body characteristic parameter etc. by and well related to stratum.It is original
Data are transmitted to the ground data processing unit 4, by described after data acquisition transmission unit preliminary treatment
Total industrial personal computer 41 again processing after through the display 42 display and export appraisal report.At the scene when operation, the data
Transmission unit 2 and 4 hardware integration of ground data processing unit are acquired, is all run in total industrial personal computer 41, completes showing for data
Field quickly processing.
The exploration ship 3 controls the downhole instrument unit 1 wait the position in logging well, and the hoisting structure 31 includes
Pulley and well head control device placed in the middle etc., complete the promotion and decentralization of downhole instrument unit 1, and the hydraulic structure 32 includes hydraulic
Control and control platform complete the motion control of cable 5, and including promoting the phases such as speed, lowering velocity, cable stretch measurement
Close the setting of log parameter.The lifting device as downhole instrument unit 1, the control of hydraulic structure 32 lift cable 5 simultaneously
Structure 31, controls the promotion or decentralization of the downhole instrument unit 1 by pulley and well head control structure placed in the middle, control to
Position in well logging.
The cable 5 is both the lifting device of downhole instrument unit and the carrier of data transmission, therefore selects multicore armour
Cable is filled, and carries out seawater corrosion-resistance treatment.
The remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot ensure that offshore wind farm column foot
Using the system, only by disposable underground survey, wind can be completed in the integrality that the remote detection imaging of sound wave and evaluation are implemented
The various demands of pylon base evaluation.Structure and the specification design of system features and with the obvious advantage, product systems can be complete
The measurement environment of full up foot offshore wind farm column foot drilling, comprising: use the sub- P wave emission energy converter of high-power single-electrode, build
Lower frequency quadrature dipole emission energy converter has laid four orientation high sensitivity receiving array of multistation, has selected portable type ground acquisition
With processing hardware, optimized development a set of wind-electricity tower acoustics remote detection data Processing Algorithm.
The remote detection imaging of sound wave and evaluation system function for the detection of offshore wind farm column foot is complete, downhole instrument list
Meta design includes high-power single-electrode P wave emission energy converter, the orthogonal dipole transmitting transducer of broad band low frequency and broadband reception transducing
Device array, once lower well measurements can obtain stratum longitudinal wave, shear wave and reflected wave information, and the comprehensive utilization of these information can
To obtain various stratum dynamics characterisitic parameters required for wind-electricity tower is built.Meanwhile it is described for the detection of offshore wind farm column foot
The remote detection imaging of sound wave and evaluation system function admirable, monopole transmitting transducer carried out high-power transmitting design, can be with
The information of column foot stratum longitudinal wave is obtained, dipole transmitting transducer uses low frequency and the Wide-Band Design, it is ensured that in low speed
Shear wave information is obtained in subsea strata, it is most important that, a wide range of interior ground by well can be evaluated using these mode wave information
Plastid distribution characteristics information.Further, the remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot
It is to build evaluation exclusively for column foot and design, each operation unit is targetedly designed, ground number is devised
Four operation units of transmission unit and downhole instrument unit are acquired according to processing unit, exploration ship, data, form one completely
And independent measuring system, it can disposably complete the measurement and structure geologic body of wind-electricity tower construction formation characteristics parameter
Overall merit.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be apparent for a person skilled in the art
's.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and these
The full scope of the equivalent that claim is possessed determines.For comprehensive purpose, all articles and with reference to including patent
The disclosure of application and bulletin is all by reference to being incorporated herein.Appointing for theme disclosed herein is omitted in preceding claims
Where face is not intended to abandon the body matter, also should not be considered as applicant and the theme is not thought of as to disclosed hair
A part of bright theme.
Claims (10)
1. a kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot, which is characterized in that including underground
Apparatus elements, data acquisition transmission unit, exploration ship and ground data processing unit, the exploration ship is by the downhole instrument list
Member, which is put into after gaging hole well, to be stepped up the downhole instrument unit and comes into effect well logging, the data acquisition transmission unit acquisition
Data when the downhole instrument unit process, and the ground data processing unit is uploaded data to, by the ground data
Processing unit carries out data processing.
2. the remote detection imaging of sound wave and evaluation system according to claim 1 for the detection of offshore wind farm column foot, special
Sign is that the downhole instrument unit includes sequentially connected reception sonic system pipe nipple, acoustic isolater pipe nipple and transmitting sonic system pipe nipple；Institute
Stating and receiving sonic system pipe nipple includes the receiving circuit module and several reception transducings for receiving sleeve, being arranged on the reception sleeve
Device；The transmitting sonic system pipe nipple includes the transmit circuit module and several transmittings for emitting sleeve, being arranged on the transmitting sleeve
Energy converter.
3. the remote detection imaging of sound wave and evaluation system according to claim 2 for the detection of offshore wind farm column foot, special
Sign is, for receiving energy converter and including the first chamber formed by the first skeleton and being arranged in the first chamber
One piezoelectric vibrator.
4. the remote detection imaging of sound wave and evaluation system according to claim 2 for the detection of offshore wind farm column foot, special
Sign is, the transmitting transducer include the second chamber formed by the second skeleton and be arranged in the second chamber
Two piezoelectric vibrators.
5. the remote detection imaging of sound wave and evaluation system according to claim 2 for the detection of offshore wind farm column foot, special
Sign is that the acoustic isolater pipe nipple includes several acoustic isolater subelements, and each acoustic isolater subelement includes shell and setting
Encapsulating colloid in the shell.
6. the remote detection imaging of sound wave and evaluation system according to claim 1 for the detection of offshore wind farm column foot, special
Sign is, the data acquisition transmission unit includes industrial personal computer and the oscillograph for showing acoustic waveform, in the industrial personal computer
Acquisition circuit module is set, by controlling the acquisition circuit module data acquisition.
7. the remote detection imaging of sound wave and evaluation system according to claim 6 for the detection of offshore wind farm column foot, special
Sign is that the acquisition circuit module includes data acquisition circuit module, data transmission control module and depth coding control mould
Block, the industrial personal computer issue instruction, and the data acquisition circuit modules acquiring data, data are through the depth coding control module
Sounding mark is had after coding, on the one hand on the other hand the data with sounding mark are transmitted to institute through the oscilloscope display
State ground data processing unit.
8. the remote detection imaging of sound wave and evaluation system according to claim 1 for the detection of offshore wind farm column foot, special
Sign is that the ground data processing unit includes total industrial personal computer and display, is provided with processing software in total industrial personal computer
Module, the processing software module are managed processing and algorithm process to data, export result by the display.
9. the remote detection imaging of sound wave and evaluation system according to claim 8 for the detection of offshore wind farm column foot, special
Sign is that the processing software module includes data management module and data processing module, and the data management module is to reception
Data carry out Data Format Transform, data storage, the alignment of a variety of data depths and correction, scale bar setting, figure head editor, data
Merge and the editor of data output format setting, the data processing module to receive data pre-processed, it is data filtering, each
Kind of mode wave time difference receiver, a variety of correlation Processing Algorithms, and obtained using algorithm various mode wave velocities, phase and decline
Subtract parameter, calculates the processing for determining structure geologic body characteristic parameter by and well related to stratum.
10. the remote detection imaging of sound wave and evaluation system according to claim 1 for the detection of offshore wind farm column foot, special
Sign is, is counted between the ground data processing unit, data acquisition transmission unit and downhole instrument unit by cable
According to transmission.
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| CN201910026184.1A CN109736780A (en) | 2019-01-11 | 2019-01-11 | A kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot |
| PCT/CN2019/093141 WO2020143187A1 (en) | 2019-01-11 | 2019-06-27 | Far-field acoustic sensing and imaging and evaluation system for surveying offshore wind turbine tower foundation |
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| CN201910026184.1A CN109736780A (en) | 2019-01-11 | 2019-01-11 | A kind of remote detection imaging of sound wave and evaluation system for the detection of offshore wind farm column foot |
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| WO2020143187A1 (en) | 2020-07-16 |
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