A multipurposetool for mAnydifferentenvironments

›Robustdesignandoutstandingperformance

›Easytotransport

unpArAlleled imAges And technicAl meAsurements

›Buriedobjects(pipes,cables,UXO,etc.)

›Accurateestimatesofgeoacousticandgeotechnicalparameters(e.g.meangrainsize)

precise Andefficient seAbedAssessment

seachirp - wavelengths ahead...

superior subbottom profiler for shAllow wAter

›SuperwidebandChirptechnology

›AdvanceddesignSeaWING

›SyntheticApertureSonar(SAS)processing(optional)

›Seismicinversionprocessing(optional)

www.soacsy.com

Shelter

InstrumentationGPS

Receivingantenna

Emitter

Floatinganchor

SealevelSelf supporting

electric cable

on-board ruggedized electronicsAmplifier: 2.5 kW power outputAcquisition system: 24-bit resolution ADC / DAC (118 dB dynamic range)

super wideband chirp technology ›Deeppenetrationwithhighresolution,enablinganalysisofdifficultseabeds(coarseorconsolidated)-Detectionofsmallburiedobjects(e.g.6’’pipes).

seawing Advanced design± 10° rejection

›Filtersideechoesinordertoimprovemeasurementinterpretationandburiedobjectpositioning.

the

package

Before After

4to10’’pipedetection

seismic inversion processingQuantitative and precise (<10cm) imaging of the seabed

›Optimizedirectmeasurementfigures(coreboring,vibrocores,ConePenetrationTesting,...)

›Correlatetheresultswithgeotechnicalmeasurementsandgetacom-plete3Dmappingofthesoilresistance.

synthetic Aperture sonar processing50 cm longitudinal resolution, even at water depths ofseveral dozen meters

›Resolveclosedobjects(e.g.pipelines)›Getaccurateimagingofseabedstructures(e.g.landingsites).

emitter0.4 – 8 kHz (4.5 octaves)

Sealevel

Instrumentation

GPS

Floatinganchor

Receivingantenna

Emitter

SealevelSelf supporting

electric cable

Shelter

InstrumentationGPS

Receivingantenna

Emitter

Floatinganchor

SealevelSelf supporting

electric cable

transport casesModule weight < 32 kg

mounting frameIn 6 pieces, total weight ≈ 29 kg

EasyandlowcostworldwidetransportationandinstallationduetoitsmodulardesignTravelwithyourequipmenteverywhereintheworld.

Towed by a vessel of opportunity

Towed by a supply boat

Mounted on a survey boatdifferent set-up possibilities›SeaChirpcanbeoperatedinanynumberofsurveysituations.

Dependingonthetypeofavailablevessel,thefollowingset-uppossibilitiescanbeused:- Onasurveyboat(e.g.rigidinflatableboat),thesystemcanbemountedunderthehullwithaframe

designedspecificallyfortheboat,allowingforexcellentmanoeuvrability.- Towedbehindanykindofvessel(rangingfromavesselofopportunitytoasupplyboat)usingaself-sup-

portingelectrocable.BothemitterandreceiveraremountedonasmallinflatableboatequippedwithGPS,inertialunit,etc.whilethedataacquisitionandprocessingsystemremainsonthemainvessel.Thecablelengthcanbeadjustedtoreducetheacousticnoiseofthemainvessel.

component weight in air (kg)

weight inwater (kg)

height (mm)

length (mm)

width (mm)

emitter 28 15 400 420 420

seawing array 15 ≈0 100 1400 400

Amplifier 28 - 177.8(4U) 482.6(19’’) 430.0

Acquisition system 5 - 190.5 257.1 220.8

towed support(in use / transport)

27 - 425/250 2520/650 1430/800

mounting frame(in use / transport)

29 - 800/370 1000/1000

1500/800

Key specifications

* Additional positioning requirements for SAS processing option:

- Relative precision in X,Y < 10 cm- Relative precision in Z < 5 cm - Frequency sampling ≥ 10 Hz- NMEA format

frequency range

verticalresolution

penetration

0.4-8kHz <10cm >15m

longitudinal resolution(after SAS Processing *)

max firingrate

≈50cm 20Hz

Amplifier Acquisition system / processor operating system file format i / o power input

Ruggedized,portablesplashproofenclosure

Ruggedizedprocessor2cores24-bitsDAC/ADCwith118dBdynamicrange

Windows7 SEG-Y Ethernet,RS232,2USB

100/240VAC,2KW

›Detectionandveryhighresolutionlocalizationofsmallburiedobjects(pipelines,cables,UXO,...)incomplexenvironments(closetooffshoreplatforms,steepslopes,shallowwater,...)

- Mitigationofinstallationrisks- Timeandcostsavingscomparedtoexistingmethods

›Preciseimagingandquantitativecharacterizationofsedimentsatdepthsofseveraldozenmeters

- Optimizationofdirectmeasurementfigures(coreboring,vibrocores,ConePenetrationTesting,...)

- Betterunderstandingofgeologicalprocesses

uses and advantages

›Oil&Gas Rehabilitationofidlewells,soilsurveys

(Jack-upmovement,geotechnicalhazards,...)

›Civilengineering Offshorewind,waveandtidalrenewableenergyproduction,

harborconstruction,shorezoneconstruction,bridgefoundationinspection,anchorpiling,...

›Mining Detection(sands),measurementof sedimentlayers,

sedimenttransportstudies

sectors›Pipelines&Cables (Fiber optic, telecom, HVDC) Surveysinshallowwaterornearexistinginfrastructures,Burial

AssessmentStudy(BAS),re-surveys(as-laidburialpositionanddepth,out-of-straightnessdetection)

›Dredging Detectionandmeasurementofsedimentlayersfor

dredgingtasks

›Archaelogy Shipwrecks,marineartifacts,...

sales@soacsy.com - www.soacsy.com1, rue Nicolas Copernic - BP62074 - 13646 Arles Cedex - Tél. 04 90 49 06 91