Highlights of the Strategic Seismic Data Acquisition, Processing & Interpretation Masterclass:
• LatestdevelopmentsinSeismicDataacquisition,the practical&moreaccurateapproach
•Majorstepsinseismicexplorationprojects
•SeismicWavePropagation
•SignalAnalysis
•Howtodesignaseismicsurveyusingexistingseismicdata,maps&geologicaldata
•Acquisitionimplementationandoperations
•Seismicdataprocessingworkflows
•Velocityandvelocityanalysis
•MigrationandImaging
•Pitfallsinseismicdataprocessingandhowtoavoidthem
•Inversion,attributes,AVO,multi-componentseismic
•IllustratedwithmanycasestudiesandexamplesfromAfrica,theMiddleEast,Asia,EuropeandtheAmericas.
Organised by:
Registration No: 200707851H
Strategic Seismic Data Acquisition, Processing & Interpretation Onshore/Offshore 2011
19–21October2011,
MovenpickRoyalPalmHotel,DaresSalaam,Tanzania
Register&paybefore
18September2011andsave
US$200ontheseatprice!
Limited Places Available
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Specially designed for seismic, geophysical and other geological professionals in Africa, the Middle East and Asia
Course Leader:
DrPietGerritsma International Renowned Seismic Expert
A World-Class Seminar for exploring Africa, with many case studies and exercises
EMAIL: [email protected]: (+65) 6392 3592 / 6392 2102TEL: Angelo (+65) 6391 2537 / 8375 9095
Registration commences at 8.00 am on Day One. Course begins from 8.30 am to 5.30 pm for all days. There will be mid-morning and mid-afternoon refreshments. Lunch will be served from 12.45 pm to 1.45 pm each day
StrategicSeismicDataAcquisition, Processing&InterpretationOnshore/Offshore2011
Aboutthiscourse?
Duringthelastdecade,seismichasbecomethekeytooltoexplorationanddevelopmentsuccess.Withtheadvanceofcomputertechnology,processinghasincreasinglyhelpedtoacquireacompetitiveedge.Aprofitabledevelopmentofanoilorgasfieldstartswithagoodunderstandingofthesubsurface.Thereisadrivetoextractmoreandmorefromthedataandthereforescopeforreprocessing.Withthepresenceofnewdataacquisitiontechniques,likemulti-componentandoceanbottomcable,multi-azimuthandwide-azimuth,alsonewprocessingmethodshavetobedeveloped.Thisimportantcoursewillupdateseismicinterpretersandentrylevelgeophysicistswiththelatestinkeyconceptsandprinciplesthatformthetechnicalbasisforvalueaddedseismicapplicationsinexploration,fieldappraisalandreservoirmanagement.Emphasisisonpracticalunderstandingofseismicacquisition,processing,imagingandtechnicalrequirementsforextractionofgeologicalandpetrophysicalinformation.Dataexamplesfrombothonshoreandoffshorefields,exercisesandworkshopsareusedtoillustratekeyconcepts,practicalissuesandpitfallsastheyaffectseismicdataqualityandinterpretation.Duringthecourse,therewillbemanyexamples/casestudiesofapplicationsandinterpretationsofthistypeofdata,basedonthemanyscenariosinAfrica,theMiddleEast,Asia,EuropeandtheAmericas.DelegatesareencouragedtobringupcasesinAfrica,Asia,theMiddleEast,theAmericaswheretheyworkedwith,forconsultationwiththeexperttrainer.
Whoshouldattend?
Thiscourseismeantforseismicprofessionals,geophysicistsinvolvedinseismicdataacquisition,processingandinterpretation,geologists,petrophysicists,petroleumandreservoirengineersinvolvedwiththeexplorationanddevelopmentofoilandgasfields,whowanttofamiliarizethemselveswiththistypeofseismicdataprocessinganditsdeliverableswillalsobenefitfromthiscourse.Universitygeophysical&geologicalresearchersandgeologicalprocessingserviceprovidersarealsowelcome.
DAYONE
08.00 Registration
08.30 CourseWelcome
Seismic Acquisition Primer• Theseismicexperimentandbasicmeasurements• Characteristicsofseismicdata• Definitionsofseismictrace,record,coverage,sectionandcube• Majorstepsinseismicexplorationprojects• Roleofseismicinthereservoirlifecycle• Exerciseonacquisitionpitfalls.
Seismic Wave Propagation• Stress,strain,elasticmoduliandthewaveequation• P-waveandS-wavevelocityintermsofelasticmoduli• Raypaths,wavefronts,Huygen’sprinciple,Snell’slaw• Reflection,refractionanddiffraction• Effectofporosity,depthofburialandincidenceangleonvelocity, densityandreflectionstrength• Refractionseismicmethodwithexercise• Fourieranalysis• Theconvolutionaltracemodel• Spectralpropertiesoftheseismicwaveletandverticalresolution• Fresnelzoneandlateralresolution• Binsize,bandwidthandresolution• Geometricspreadingandabsorption• Exercisesonverticalandlateralresolution
Signal Analysis• Samplingofsignalsintimeandspace• TheNyquistcriteriaandthecausesofaliasing• Fourieranalysistoconvertsignalstotheirspectralcomponents• Waveletphaseanditseffectonwaveletshape• F-Ktransformandapparentvelocity• RelationshipbetweenseismiceventsandtheirF-Ktransform• ThelinearRadontransformandthetau-pdomain• Exercisesonspatialaliasing
Seismic Acquisition Principles• Land,marine,transitionzone,multi-component,oceanbottom, boreholeand4Dseismicacquisition• Definitionsofacquisitionparameters• Identifyingseismicsignalsandnoise• Thecausesandeffectsofnoise• Noisesuppressionwithfieldarrays• Theseismicacquisitionbusinessprocessandcostoverview• Thesurveydesignworkflow:E&Pcompanyperspective• Exercisesonidentifyingseismicsignalsandnoisefromfieldrecords andfieldarraydesign
DayTwo
Seismic Survey Design• IntroductiontoSurveyDesign• Acquisitiongeometries• Tracegathertypes• Offsetandazimuthdistributionandfoldrequirements• Shotpointandreceiverinterval• Binning,spatialsampling,foldandbinsize• Migrationaperture• Surveyorientation• Acquisitionfootprint• Workshopondesigningasurveyusingexistingseismicdata,mapsand geologicaldata
RegisterforthisMasterclasstoday!Callourhotline 65-63912537
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AbouttheCourseLeader:
DrPietGerritsma,InternationalRenownedExpertofgeophysicsandseismicprocessingandinterpretation,hasmorethan41yearsoffieldexperienceintheoilandgassector,30ofwhichheservedwithShellasitsSeniorGeophysicist,initsofficesinAsia,EuropeandNorthAmerica,includingHouston.Currentlyasinternationalconsultantonseismicprocessingandadvancedgeophysicalstudies,Piethasadvisedinternationaloilandgascompaniesonanumberofinternationalprojects,suchaswithWoodside,Shell,NIOC,andsoon.Morerecently,hewastheinternationalconsultantto:•WoodsideAustralia:processingforimaging,AVOanalysisandseismicinversionofmarinedataforgasdetection
• CadCamIran:imagingthroughascatteringoverburden• KACSTSaudiArabia:staticcorrectionsandimagingthroughascatteringoverburden
• ResolutionResourcesNetherlands:detectionofDNAPL’s(pollutants)withhighresolutionshallowseismic
• GeofizykaTorunPoland:imagingofRotliegendandsub-Permianreflectors
Morespecifically,intheareaofgeophysicalresearch,Pietiswell-knownasaspecialistinstructuralimaging,velocitymodelbuildingandseismicmigration.Intheareaofseismicdataprocessing,atShell,inadditiontohisprocessingexpertiseandexperienceinmanagingprocessingcontractors,hehasalsoexperiencewithspecialstudiesinmultidisciplinaryteamswithBruneiShell(seismic-to-wellmatchingandlateralextrapolation)andShellCanada(structuralimagingofcomplicatedFoothill’sdata,staticsandAVO).InAdvancedStudies,heheadedgeophysicalresearchteamsinvolvedwithAVO,inversion,multi-componentseismicandanisotropyonfieldsinvariouscontinents.Asaleadingresearcherinhisfield,hehasalsoworkedcloselywithtopuniversitiesandresearchinstitutessuchasIFP,theStanfordExplorationProject,RussianAcademyofSciences,Russia’sMinistryofGeologyandtheCoroladoSchoolofMines.HeiseffectivelycompetentinEnglishandFrench,amongstmanyothers.
Acquisition Implementation and Operations• Positioningprinciples• TheGPSrevolution• Marinecablepositioning,compassesanddepthcontrol• Marineairguncharacteristics;airgunarraydesign• Explosivesources• Landvibratorcharacteristics• Vibroseissweep,cross-correlation,Klauderwavelet• Hydrophones,geophonesandcoupling• Recordingsystems• Landandmarineacquisitionqualitycontrol
Processing workflows• Introduction• Definitions• Dataprocessingsteps• Processingflowcharts: -Land3D -Marine3D
Prestack Analysis and Signal Corrections• Geometry,tracesortingandgathers• Deterministicandadaptiveamplitudecorrections:gainand scaling• Noisesuppressionandsignalenhancement• Filtering• F-K/Velocityfiltering–(f-k)exercises• Deconvolution• Multiplesuppression -Typesofmultiples -F-Kdomainmultipleattenuation -Radondomainmultipleattenuation -Waveequationmultipleattenuation• Modelbasedwaveletprocessingandzerophasing
Velocity and Velocity Analysis• Typesofvelocitymeasures–definitions -Velocityexercise• Moveoutbehaviourandcorrection• Effectof3Danddip• DMOconcept• Velocityanalysismethods -Velocityspectraexercise• Factorsandpitfallsaffectingvelocityanalysis• Informationcontainedisstackingvelocities
DayThree
Statics and Near Surface Corrections• Problemdefinitionandeffects• Datum,longperiodandshortperiodstatics• Correctiontechniques: -Elevationstatics -Refractionstatics -Tomographicstatics -Residualstatics -Prestackimaging/Redatuming• Staticsexercise
Migration and Imaging• Themigrationproblem• Wavefieldextrapolation• Migrationstrategies -Prestackvspoststack -Depthvstime• DMOandprestacktimemigration• Thecriticalroleofvelocity• Modern3Dimaging -Prestacktime -Prestackdepth• Velocitymodelbuildingandupdating• Casestudies
• Migrationalgorithms• Theanisotropyproblem• Migrationexercise
Pitfalls and Quality Assurance• Pitfallsinseismicdataprocessing• Qualityassuranceofthevariousprocessingsteps
Inversion, Attributes, AVO, Multi-component Seismic• Objectivesofinversion• Processingforinversion• Characterizationofattributesandattributemeasurement• ReflectioncoefficientsandapproximateversionsoftheZoeppritz equation• ProcessingforAVOmeasurements• MeasurementofAVOattributes• CrossplotanalysisofAVOattributesandthebackgroundnormal• Thinbedeffects(tuning)onamplitudes• P-wavesandS-waves:propertiesandrelationships• Landandmarine=OBCmulti-componentseismicdataacquisition• RockpropertiesandtheGassmannequationforfluidsubstitution• PSorC(onverted)-waves:acquisitionandprocessing
17.30 End of Masterclass
Case Studies: In order to enhance the learning experience, many case studies using examples in many parts of the world including Africa, the Asia Pacific region, the Middle East, Europe, the Americas, will be used accordingly to illustrate learning points
Faxinyourregistrationat65-63923592oremail:[email protected]!
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19–21October2011,MovenpickRoyalPalmHotel,DaresSalaam,Tanzania
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