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EXTENDED ABSTRACTS BOOK
59th EAGE Conference and Technical Exhibition,Geneva, Switzerland26 - 30 May 1997
ORAL AND POSTER PRESENTATIONS
Geophysical Division
EAGE Business Office
Laan van Vollenhove 3039PO Box 2983700 AG ZeistThe Netherlands
Telephone : +31 30 6956997Telefax : +31 30 6962640
© 1997 European Association of Geoscientists & Engineers
UB/TIB Hannover 891^48620 ,
Imaging & Velocities I
Chairman: R.-G. Ferber
08.30 A001Seismic Imaging by Means of Two SeparateFocusing Steps, Part I - Migration of SingleComponent Data,A.J. Berkhout*
08.55 A002Seismic Imaging by Means of Two SeparateFocusing Steps, Part II - Migration at MultiComponent Data,A.J. Berkhout*, C.P.A. Wapenaar and D.J.Verschuur
09.20 A003Velocity Analysis in the Common Focus PointDomain,M.M.N. Kabir* and D.J. Verschuur
09.45 A004Properties of Common Focus Point Gathers,Jan Thorbecke * and Scott Morton
10.10 A005Updating of Macromodels by Global Inversion ofFocusing Operators,R.F. Hegge * and J. T. Fokkema
10.35 A006Maximum Energy Traveltimes and AmplitudesCalculated in a Low Frequency Band in 3D,Antonio Pica*
11.00 A007Accurate Finite-Difference Calculations ofTraveltimes and Amplitudes in 3D,Uwe Kastner*
11.25 A008Two-Point Raytracing by Adaptive RecursiveSubdivision,Toshi Chang *, Luis L. Canales, Duane Dopkin andChung-Chi Shih
Multiple Attenuation
Chairman: G.A. King
14.00 A009Attenuation of Long Period Multiples in the PerthBasin Western Australia,Matthew Lamont*, Bruce Hartley and Norm Uren
14.25 A010Macro-Model Based Attenuation of Surface-RelatedMultiples,S.A. Shapiro* and P. Hubral
14.50 A011Shot-by-Shot Removal of Sea Surface Multiples,Anton Zio/kowski*
15.15 A012Source Wave Field Estimation by MultipleElimination,D.J. Verschuur* and R.J. Prein
15.40 A013Removal of Internal Multiples - Field Data Examples,M.T. Hadidi* and D.J. Verschuur
16.05 A014Multiple Move Out Wave Field Transformation forthe Elimination of Water Bottom Multiples,Bruce Hartley*, Matthew Lamont and Norm Uren
16.30 A015Attenuation of Water-Layer Multiples on Sea-FloorData,Are Osen *, Lasse Amundsen and Arne Reitan
16.55 A016Multiple Prediction Using Wavefront Characteristicsof Primary Reflections,Sh. Keydar*, E. Landa, B. Gurevich and B.Gelchinsky
* denotes speaker
TUESDAY 27 MAY
Acquisition Survey Design
Chairman: S. Treitel
08.30 B001A New Efficient Airgun Array Design TechniqueIdeally Suited for Imaging Sub-Basalt and Sub-SaltTargets,M. Safar*
08.55 B002Aspects of 3D Seismic Survey Design for Linear V(z) Media,Christopher L. Liner*, Ralph Gobeli and William D.Underwood
09.20 B003Resolution Beyond Traditional Limits,Mundy Brink *, Ivar Gimse and Shuki Ronen
09.45 B004Survey Geometries That Achieve Uniform Offset andAzimuth Sampling,Steve E. Slawson *, David J. Monk and John W.Moran
10.10 B005Not-Conventional Marine Acquisition Techniques -Theoretical Aspects and Applications,Giovanni La Bella*, Luca Savini, Davide Calcagniand Roberto Pagliarin
10.35 B006Multi-3D, a Cost Effective Technique for MultipleTarget Marine 3D Surveys,Robin Walker*
11.00 B007Spatial Interpretation of 3D Seismic ProjectSpecifications an Effective Way to Reduce Costs,David J. Monk * and Jeff Hume
11.25 B008On the Spot 3D - a Cost Effective Seismic Tool,R. Servodio* F. Picgoli, E. Loinger, A. PompucciandA. Schiroli
* denotes speaker
Lecture Room B
Reservoir Geophysics
Chairman: R.M. Dalley
14.00 B009The Use of Multi Component Seismology in CBMExploration - a Case History,G.J. Beaudoin, T.A. Chaimov, W.W. Haggard, M.C.Mueller and L.A. Thomsen
14.25 BO 10Identification of a Sand-Channel Reservoir Using3C-3D Seismic Data,Grace Y.C. Yang*, Robert R. Stewart and Don C.Lawton
14.50 B011Using 9C Seismic Data to Characterize a CarbonateReservoir,Grace Y.C. Yang* and Robert R. Stewart
15.15 B012The Feasibility of Using P-Waves and P-S ConvertedWaves for Reservoir Quality Determination,Martin Widmaier*, Sverre Strandenes and GeirDrivenes
15.40 B013Determination of Reservoir Porefill from 3D SeismicData in the Oilfield Ruehme,Klaus Guderian *, BerndLahmeyer and Rupert Weber
16.05 B014Fluid Distribution Mapping in Early Exploration PhaseUsing a Stratigraphical Inversion Procedure,Helene Hafslund Veire*, Lars Sonneland, ClaudeSigner and Benoit Reymond
16.30 B015Modelling Zechstein Interval Velocities Using a 3DSeismic Attribute,Teake Stavenga, Ed J.T. Duin and Barthold M.Schroot*
16.55 B016Visualization of Layered Acoustic Impedance and ItsImpact for Horizontal Drilling - a Nigeria Case Study,Stephen J. Pharez * and Dave Schellinger
TUESDAY 27 MAY
Anisotropy
Chairman: J.H. Hake
08.30 £007Some Remarks on Nonlinear AVA Inversion,Fernando Antonio Neves * and Maarten V. de Hoop
08.55 E002A Field Example of Fracture Analysis UsingShear-Wave Conversions from Near-Offset VSP,Colin MacBeth *, Malcolm Wilson and Mark Willis
09.20 E003Fracture Detection Using Wide Azimuth 3D SeismicSurveys,Robert J. Withers * and Dennis Corrigan
09.45 E004Qp-Wave Normal Move Out in Arbitrary WeakAnisotropic Media,Dirk Gajewski* and Ivan PSendik
10.10 E0053D Description of Normal Move Out in AnisotropicMedia, Vladimir Grechka* and llya Tsvankin
10.35 E006Generalized Dix Equation and Modelling of NormalMove Out in Inhomogeneous Anisotropic Media,llya Tsvankin *, Vladimir Grechka and Jack K. Cohen
11.00 £007Joint Traveltime Inversion of P- and PS-Waves inOrthorhombic Media,Vladimir Grechka*, Stephen Theophanis and llyaTsvankin
11.25 E008P-Wave Amplitude Signature for FracturedReservoirs,Andreas Ru'ger*
IV
Lecture Room E
Modelling
Chairman: E. De Bazelaire
14.00 E009Modelling of Seismic Waves in Randomly LayeredSaturated Sediments,Tobias Muller*, Sergei A. Shapiro and StephanGelinsky
14.25 £070Efficient FD Seismic Modelling Using a MinimumTraveltime Method,Jingping Zhe* and Stewart A. Greenhalgh
14.50 £077A Fourth Order Time Space Finite DifferenceOperator for 3D Acoustic Modelling and Reverse-Time Migration,Vittorio De Tomasi*
15.15 £072Strategies for 3D Traveltime Computation,Andree Leiden frost* and Dirk Gajewski
15.40 £073Wavefront Construction by Recursive Subdivision,Toshi Chang*, Luis Canales and Chung-Chi Shih
16.05 £074A Fast Hybrid Wavefront Construction - FD EikonalSolver Method,Norman Ettrich * and Dirk Gajewski
16.30 £075Fast and Self-Adaptive Kirchhoff-HelmholtzSynthetic Seismograms,A.B. Druzhinin*, H. Pedersen, M. Campil/o, A.A.Droujinina and W. Kim
16.55 £076Fast and Accurate Ray-Kirchhoff Synthetic Seismo-grams in Multi-Layered Transversely IsotropicMedia,A.B. Druzhinin*
denotes speaker
TUESDAY 27 MAY
Electromagnetics I:Theory and Modelling
Chairman: B.A. Hobbs
08.30 F001A New Regularization Technique for Inversion ofGeophysical Data,Indrajit G. Roy and Umesh C. Das*
08.55 F002Constraining of the Zero Total Surface Charge inGalvanic Modelling,Hannu Hongisto* and Matti Oksama
09.20 F003Validation of the EM Wavefield Transform,A. Becker*, K.K. Das and K.H. Lee
09.45 F004On Extending the Localized Nonlinear Approximationto Inductive Modes,I.R. Murray*
10.10 F005The Importance of Accounting for Scattering byMagnetic Permeability Contrasts,Peter Walker*
10.35 F0062D Inversion of Magnetotelluric Data over 3DStructures,Patricia Pastana de Lugao* and BertholdKrieghauser
11.00 F007Possibilities for an Enhanced 3D Imaging Sensitivityin Electromagnetic Methods,L. Szarka*
11.25 F008On 3D Nonlinear Electromagnetic Inverse Problem,P.S. Martyshko* and A.L. Rublev
* denotes speaker
Lecture Room F
Rock Physics I
Chairman: A. P. Mazzotti
14.00 F009Fluid Substitution - Comparison of the Gassmannand Xu-White Approaches,Shiyu Xu* and Roy E. White
14.25 F010Fluid Substitution - Estimation of the Dry RockframeModuli,Shiyu Xu*
14.50 £07 7Seismic-Fluid Diffusion Coupling for Two Sets ofMacroscopic Boundary Conditions in CompositeMaterials,G. Quiroga-Goode *
15.15 F012Boundary Conditions at Open or Partially ClosedInterfaces in Porous Media,Boris Gurevich * and Michael Schoenberg
15.40 £073Seismic Signatures of Disorder and Permeability inHeterogeneous Porous Media,Sergei A. Shapiro* and Tobias Muller
16.05 £074On Evaluation of the Rock Permeability and PorosityThrough Seismic Spectral Analysis,G.A. Bordakov*, E.Yu. Mikolaevski and S.Ya.Sekerzh-Zenkovich
16.30 £075Seismic Characterization of Statistic Heterogeneities- Laboratory Studies,Stephan Bojinski*, Norbert Gold, Sergei A. Shapiroand Jochen Stanullo
16.55 £076P- and S-Waves in Discrete Media with InternalFriction,B.P. Sibiriakov*
WEDNESDAY 28 MAY
Imaging & Velocities II
H. Jakubowicz
08.30 .4077A Depth Imaging Strategy for Complex Geology,Robert Bloor*, Gillian Brown, Paddy Smith, SwavekDeregowski, Steve McKenna and Oliver Whitfield
08.55 .4075Continuous 3D PreSDM Velocity Analysis,Ian F. Jones *, Francois Audebert, Martin Grimshawand Keith Ibbotson
09.20 .4079Efficient Depth Migration for Complex Overburdensby Global Inversion of RMO,Cole Harris *
09.45 ,4020Velocity Modelling Procedure for Prestack Time andDepth Imaging of Seismic Data,Ron Silva * and Margaret Wood
10.10 A0213D Finite-Difference Poststack Time and DepthRemigration,Juergen Mann * and Makky S. Jaya
10.35 A022The Significance of Stacking Velocities after 3DPrestack Time Migration,Etienne Robein*, Paul Sexton and FabianPhilandrianos
11.00 A023Velocity Analysis Using Waveform Inversion,Graham Hicks * and R. Gerhard Pratt
11.25 A024Velocity Analysis from Wide Angle Arrivals UsingWaveform Inversion,R. Gerhard Pratt*, John Brittan, Eric Forgues, JoMorgan and Luis Marin
VI
Lecture Room A
Deconvolution and Statics
Chairman: J.-P. Diet
14.00 A 025The Problem of Well Ties and StratigraphicInterpretation,Rodney Johnston*, Anton Ziolkowski and JohnUnderhill
14.25 .4026Seismic Phase Stability - Problems and Solutions,Guillaume Cambois *
14.50 A027Minimum Phase Signal Shaping with the DoubleLeast Squares Algorithm,Sven Treitel*, Ralph Gobeli and Pat Dunsmore
15.15 A028Statics, a Physical View,M. Turhan Taner* and A.J. Berkhout
15.40 A029Water Velocity Variations and Static Corrections in3D Data Processing,Richard Wombell*
16.05 A030An Improved Objective Function for ResidualStatics,John B. Dubose Jr*
16.30 -4037The Effect of Upward Acoustic Continuation onDifferent Waves-Application to Reflection Seismicon Hard Surfaces,Gildas Omnes*
16.55 .4032Residual Statics Analysis Before NMO UsingPrestack Migration,Xinxiang Li* and John C. Bancroft
denotes speaker
WEDNESDAY 28 MAY
Marine Acquisition & QC
Chairman: I. Jack
08.30 5077Seismic Response of Tertiary Basalt Flows in theNortheast Atlantic - a Modelling Study,Harry Mack *
08.55 B018Comparison of Marine Vibrator, Dynamite andAirgun Sources in the Transition Zone,Gary Potter*, Angus Mann, Mike Jenkerson andJean-Marc Rodriguez
09.20 BOWBottom Referenced Vertical Hydrophone Arrays -Towed Streamers - a Comparison Study,N. Moldoveanu* R. Henman, J. Vlasin and M.Spradley
09.45 B020Modelling Velocity Gradients in an OBC, First-BreakPositioning Algorithm,Noel Zinn *
10.10 B021Acquisition of Multi Component Data by 'DraggedArray',Karl A. Berteussen*, Eivind Fremyr, Arne Rokkan,Jan Langhammer and Christian Strand
10.35 B022Combining Dual-Sensor Ocean Bottom Cable Traces- a Comparison of Methods,F.J. Barr*, R.E. Chambers, W. Dragoset and J.Paffenholz
11.00 B023Clustering Analysis of Seismic Quality Attributes - aMarine Acquisition Case Study,Lars Jensen *, Mark Ackers, Vincent Vieugue andLeon Walker
11.25 B024Deterministic Selection of Processing Parameters,Philip Armstrong*, Ian Scott, Tim Brice and DickIreson
* denotes speaker
Lecture Room B
HydrocarbonExploration Applications
Chairman: J. Qdegaard
14.00 B025Structural Vector Field - A Volume Attribute forSeismic Interpretation,Christian Hocker* and Dick Dal/ey
14.25 B026While Drilling Methodologies - the IntegrationStrategy and the Impact on E&P Activities,Luca Bertelli*, Luca Savini and Mauro Delia Martera
14.50 B027Free Gas and Hydrate Concentrations fromReflection Tomography and Theoretical Approach,Gualtiero Bohm *, Angelo Camerlenghi, EmanuelleLodolo and Umberta Tinivella
15.15 B028The Role of Amplitude Coherency Processing for 3DImaging of a Salt Diapir in the Central Graben,Anne Marie Nerby* and Gw6nael Guerin
15.40 B029Mapping of Basement Rocks and Clastic SedimentsThrough Inversion of Seismic Data and ProcessingVelocities,U.M. Schulz*
16.05 B030Hydrocarbon Indications as Seen on High-Resolutionand Ultra High-Resolution Seismics,Tarns's T6th*, Orsolya Magyari, Piter Szafidn,LSszld Ferenczy and Frank Horvdth
16.30 5037Potential Field Modelling in the Offshore Faroes,Stuart S. Sweetman *
16.55 B032Oil and Gas Perspectivity of Barents Sea Shelf,A.N. Abramov, V.A. Melnik* and M.F. Aniskovitch
VII
WEDNESDAY 28 MAY
Inversion
Chairman: S.M. Deregowski
08.30 £077Modelling, Imaging and Characterization ofSelf-Similar Reflectors,Kees Wapenaar*, Wim van Ge/oven and JeroenGoudswaard
08.55 £075Quantitative Interpretation Generally Needs noSeismic Attributes,Paul P.M. De Groot* and Albertus H. Bril
09.20 E019Cooperative Inversion of Traveltime and AmplitudeData in Reflection Tomography,Yanghua Wang* and R. Gerhard Pratt
09.45 E020Moving to a Layered Impedance Cube - Advantagesof 3D Stratigraphic Inversion,Patrice Duboz *, Yves Lafet and Denis Mougenot
10.10 £027Background Q-Model Sensitivity of ViscoacousticImage Reconstruction,Alessandra Ribodetti* and Jean Virieux
10.35 E022Semi-Global Random Search Applied to SeismicCoherence Inversion in Complex Media,Pascal Amand*, Mariarosaria Frattini, Jean Virieuxand Aldo Zollo
11.00 £023Nonlinear Waveform Inversion via Modified NewtonMethod Based on Truncated SVD,Valery Khajdukov*, Victor Kostin and VladimirTcheverda
11.25 E024An Efficient Multi-Parameter Wave-Form Inversion -the Migration Based Traveltime with Ray Tracing,Yann-Herve' De Roeck*, Guy Chavent andRen6-Edouard Plessix
VIII
Lecture Room E
Ground Penetrating Radar& Mining
Chairman: U. Spagnolini
14.00 E02SGPR Wave Reflections - Modelling and Field DataAnalysis,Fabrice Ho/lender*, Sylvie Tillard and FrancoisJullien
14.25 E026Monitoring of a Saline Tracer in a Fissure -Waveform Analysis of GPR Reflections,Sylvie Tillard*, Fabrice Hollender and FrancoisJullien
14.50 E027Target Identification and Noise Removal inMulti-Fold Ground Penetrating Radar Data,Michele Pipan *, Luca Baradello and Icilio Finetti
15.15 E028Non-Destructive Testing Using GPR-CurrentActivities at EMPA,Johannes Hugenschmidt*
15.40 E029Interpretation of CSAMT Data Using 2DMagnetotelluric Inversion,Patricia Pastana de Lugao *, Hans Rasmussen andMichael Zhdanov
16.05 £0303D Seismic Modelling of Deep Massive SulfideDeposits,B. Milkereit*, D. Eaton and T. Bohlen
16.30 £037Minor Fault Recognition Using Seismic Character-istic Parameters,Liu Tianfang * and Zhao Aihua
16.55 £032Cavity Detection in a Salt Layer by a SurfaceSeismic Investigation,Franco Coren*, Alessandro Pregarz, Enrico Prioloand Sergio Persoglia
* denotes speaker
WEDNESDAY 28 MAY
Electromagnetics II:Modelling & Case Histories
Chairman: J. T. Fokkema
08.30 £077Maximized Detection of 3D Buried Conductors,E. Auken*, G.M. Hovers ten and H.F. Morrison
08.55 F018Electric Current Distribution in the Vicinity of anExtended Conductivity Contrast,Berthold Krieghauser* and Alan Tripp
09.20 £073The Nature of Crustal Conductor in Byelorussia,E.B. Fainberg*, P. Andrieux and V. Astapenko
09.45 F020Radiomagnetotelluric Measurements for Detection ofFaults and Fracture Zones in Sweden,Pascal Turberg * and Lena Persson
10.10 FO27Analytical Solution for Direct Current ElectricalPotentials in a Two Layer Anisotropic Earth Medium,Ping Li* and Norm Uren
10.35 F022An application of Vector CSAMT to the Imaging ofan Active Fault,Koichiro Fukuoka * and Tsuyoshi Kobayashi
11.00 F023Sharp Boundary Inversion of 2D MagnetotelluricData,G. Michael Hoversten*, Torquil Smith and ErikaGasperikova
11.25 F024On the Interference of Artificial ElectromagneticFields in the Magnetotelluric 'Dead Band',Giovanni Santarato * and Vittorio Iliceto
* denotes speaker
Lecture Room F
Rock Physics II
Chairman: R.E. White
14.00 F025Pseudo-Shear Wave Log Construction - Methods,Results and the Road Ahead,N.C. Dutta*
14.25 F026Anisotropy of Two-Phase Fluid Flow in LaminarRock,Yaduo Huang *, Philip S. Ringrose and Ken S. Sorbie
14.50 F027Petrophysical Models and Trends of EstonianPaleozoic Sedimentary Basin,Alia Shogenova *
15.15 F028Sediment Thermal Conductivity Derived fromWireline Logs - Calibration by Cores and Cuttings,L. Rybach *, W. Leu and E. Greber
15.40 F029The Effect of Pore Pressure on Acoustic Velocities,Cathrine Ringstad* and Erling Fjaer
16.05 F030Acoustic Velocities in Unconsolidated Sands,Leif B. Kvamme *, Rune M. Holt and Olav M. Nes
16.30 £037Stress Sensitivity of P- and S-Wave Velocities in aSet of Low to Medium Porosity Dry Sandstones,Abbas Khaksar*, Clive McCan, Cedric Griffiths,Jeremy Sothcott and Jalal Khazanehdari
16.55 F032The Specific Surface Area Determination - ModelVersus Measurements,M. Nabi-Bidhendi* and M.S. King
IX
THURSDAY 29 MAY
Data Sampling andReconstruction
Chairman: F.L. Rocca
08.30 A033Reconstruction of Bandlimited Signals, IrregularlySampled Along Two Spatial Directions,Kees Hindriks*, Adri Duijndam and Steen Petersen
08.55 A034Unambiguous Signal Recovery Above the Nyquist,R. Daniel Wisecup *
09.20 .4035A New Viewpoint on Aliasing Seismic Data forImaging,Youngsun Shin*, Joe H. Higginbotham andDwightV. Sukup
09.45 A036Fourier-Radon Reconstruction of Sparsely SampledSignals in the Midpoint-Offset Domain,A.J.W. Duijndam* andM.A. Schonewille
10.10 A037The Necessary and Sufficient Condition for LosslessSampling,Robert Soubaras *
10.35 A038An Application of 3D Filtering to the Restoration ofMissing Traces,Irene Huard* and Simon Spitz
11.00 A039Dynamic Range Characteristics of Wavelet DataCompression - Implications for Deconvolution,Robert S. Polzer*, Raymond A. Ergas, Paul L.Donoho and Alan L. Edmonson
11.25 .4040The Effect of Correlated Navigation Errors on MarineSeismic Data,C. Pine/*, P.A. Cross, S.H. Archer and D. Ridyard
Lecture Room A
Imaging & Velocities IV
Chairman: C.P.A. Wapenaar
14.00 A041A Comparison of Kirchhoff Migration Results for theSEG/EAGE Salt Model,U. Albertin*, J. Cabrera, W. Chang, P. Fowler, G.Stankovic and L. Ward
14.25 A042Increasing Lateral Resolution,Swavek Deregowski*, Robert Bloor and ChrisKoeninger
14.50 A0433D Preserved Amplitude Prestack Imaging of theOverthrust Model,StGphane Operto *, Pascal Podvin, Gilles Lambare~and Philippe Thierry
15.15 A044Direct Comparison of 3D Prestack and PoststackSubsalt Depth Imaging on a Physical Model,William L. Abriel*, N. Ross Hill, Greg S. Raskin,Joseph P. Sefani and Gregory J. Surveyer
15.40 A 0453D V(z) Prestack Migration - an Alternative toConventional Processing,John Etgen *, Walter Rietveld and Rusty A/ford
16.05 A046Fast 3D Kirchhoff Poststack Migration withMigration Velocity Analysis,John C. Bancroft* and Rick A. Wallace
16.30 A047Imaging Beneath Basalt Using Converted Waves inMarine Seismic Data,Xiang-Yang Li* and Colin MacBeth
16.55 A048Prestack Depth Migration with the Dirac Equation,Ketil Hokstad* and Rune Mittet
* denotes speaker
THURSDAY 29 MAY
Data Management /Seismic Interference
Chairman: K. Kolbjornsen
08.30 B033Formats Media and Hardware for the Data Store,Neil McNaughton *
08.55 B034Effective Finding Data Management: The NorskeConoco Solution,Graham F. Allen * and Ronald D. Allred
09.20 B035Seismic Exploration and the World Wide Web,John Kingston*, He/ge Brags tad and Dennis M.O'Neill
09.45 B036Comprehensive Analyses of MT Data Using'Geobase',Shinji Takasugi*, Tatsuya Sato, Takayoshi Nakao,Kazumi Osato and Toshihiro Uchida
10.10 B037AMJIG Seismic Interference Noise Studies, West ofBritain,J. Karwatowski*, T. Rekdal, S. Strandenes, D.Bateman, D. Hill, R. Petton and P. Westwater
10.35 B038Automated Quality Assessment of Seismic Data,Helmut Jakubowicz * and David Smith
11.00 B039Data Integrity in Noisy Marine Environments,G. Fookes *, K. Hawkins and S. Barnes
11.25 B040Seismic Crew Noise - a Zero Time-SharingSolution?,Neil Hargreaves *, Michel Manin, Bruno Gratacos,Ian Micklewright and Colin Perkins
denotes speaker
Lecture Room B
Time Lapse (4D)& 4C Surveys
Chairman: L. Sennet and
14.00 £047A Proposal for 4D Seismic Imaging,J.T. Fokkema*, M.W.P. Dillen and C.P.A.Wapenaar
14.25 B042Determining Acquisition Parameters for Time LapseSeismic Recording,J. Meunier*, F. Huguet and J.M. Michel
14.50 B0434D Seismic Modelling - Nelson Field, Central NorthSea,R. Simm*, R.H. Uden, S. Burford, C. Plummer, P.Harrison and R. Johnson
15.15 B044Reproducibility of Onshore Seismic Data,Hans A.K. Edelmann * and Kurt Bram
15.40 B045Repeatability Testing for Seismic Monitoring,Christopher P. Ross and Suat Altan *
16.05 B046A 3D Ocean Bottom Cable Repeatability Experiment,Craig J. Beasley*, Ron E. Chambers, Rick L.Workman, Ken Craft and Laurent Meister
16.30 B047Acquisition of 4 Component OBS Data - a CaseStudy from the Valhall Field,Jan H. Kommedal*, Olav I. Barkved and Leon A.Thomsen
16.55 B048Converted-Wave Imaging of Valhall Reservoir,Leon A. Thomsen *, Olav I. Barkved, Bill Haggard,Jan H. Kommedal and Boerge Rosland
XI
THURSDAY 29 MAY
Imaging & Velocities III
Chairman: P.G. Kelamis
08.30 £033Some Reliability Principle for Seismic Tomography,A/do Vesnaver* and Gualtiero Bohm
08.55 E034Velocity Variations in a Pressurized Reservoir -Results from Anisotropic Tomography,Georg V&csey *, Eric Forgues, R. Gerhard Pratt andBen Dyer
09.20Reflection Tomography in WaveletDomain,Philip Carrion*
09.45Velocity Model Updating for LandPrestack Depth Migration,Ron Schmid*, Brian Link, Patrick ButlerCarroll
E035Transform
E036Based 3D
and Randy
10.10 E037Accurate and Efficient Imaging of ComplexStructures by Semirecursive Kirchhoff Migration,Dimitri Bevc *
10.35 £038Prism Waves - an Explanation for Curved SeismicHorizons Below the Edge of Salt Bodies,Nick Bernitsas *, James Sun and Charles Sicking
11.00 £039Interpretive Imaging of Faults,Chris Willacy*, Mick Sugrue, Jim Hu, DaveWa/tham and Ken McClay
11.25 £040Diffraction Problems of 3D Seismic Imaging,Boris R. Zava/ishin *
XII
Lecture Room E
Borehole Geophysics I
Chairman: G. Omnes
14.00 £047Method of Simultaneously Inverting Induction Logswith Multiple Sets of a Priori Information,Leonty Tabarovsky*, David Beard and MichaelRabinovich
14.25 £042Time-Spatial Distribution of Acoustic Wave Field inBorehole and Nonhomogeneous Rock Formation,Jadwiga Jarzyna *
14.50 E043Modelling of Stoneley Waves in a HeterogeneousFormation with an Irregular Borehole,Stephan Gelinsky * and Xiaoming Tang
15.15 £044Ray Theoretical Mapping Using Residual SemblanceDerived Phase Space Vector Components,Steen A. Petersen*
15.40 E045Tau-p or Not Tau-p?,R.H. Evans*, V. Dirks and P.B. Dillon
16.05 £046A Methodology for 3D Elastic Depth Imaging ofMarine 3D Walk-Away VSP Data,Svend 0stmo *, Rune Mittet, Martin Landre and KetilHokstad
16.30 £0473D Walk-Away Imaging in the Overthrust Model,Vincent Clochard, Patrick Compte, LaurenceNicoletis*, Julie SvayLucas and Peter Dillon
16.55 £0483D Borehole Seismic Imaging and Correlation - aField Experiment,Qi Zhang *, Robert R. Stewart and Zandong Sun
* denotes speaker
THURSDAY 29 MAY
Gravity & Magnetics
Chairman: J.S. Rathore
08.30 F033What is Wrong with Euler Deconvolution?,Brian Farrelly*
08.55 F034Dip Angle Processing of Magnetic Anomalies - anAnalytical Signal Technique,Laust B. Pedersen * and Mehrdad Bastani
09.20 F035Wavelet Based Inversion of Potential Field Data,Fabio Boschetti*, Peter Hornby and Frank Horowitz
09.45 F036Gravity Changes and Gas Extraction in Groningenover an 18 Year Period,Martin Van Gelderen *, Roger Haagmans and MirjanBilker
10.10 F0373D Seismic and Gravity in the Vienna Basin,Harald Granser*
10.35 F038Analytic Signal and Deconvolution of Potential FieldData on the Hebridean Margin, NW Scotland,K.E. Rollin*
11.00 F039Aeromagnetic Anomalies Related to HydrocarbonGas Seepage and Sedimentary Lithology,Christine Fichler*, Hikon Rues/3 tten, EgilRundhovde and Bjorn Seether
11.25 F040Aeromagnetic Compilation Study of South AmericaImproves Hydrocarbon and Mineral ExplorationStrategies,Paul A. Black*, Ian W. Somerton and D. JamesMisener
denotes speaker
Lecture Room F
Near Surface /Environmental Geophysics I
Chairman: E.P. Briickl
14.00 £047Multi-Step Approach for the Upper SubsurfaceStudy,/. Belter*, I. Bruner, Sh. Keydar, A. Kravtsov and E.Landa
14.25 F042Interpretation of Shallow Refraction Seismic Data byReflection/Refraction Tomography,Pavel Ditmar *, Jan Penopp, Rainer Kasig and JannisMakris
14.50 F043The Application of High Resolution Marine Seismicsat Near Surface Investigations,Ulrich Swoboda*, Wolfgang Schott and ChristophGelbke
15.15 F044Combination of Common Midpoint - (CMP-)Refraction Seismics with the Generalized ReciprocalMethod (GRM),Dirk Orlowsky*
15.40 F045Synthetic Focusing Multielectrode Arrays inElectrical Tomography,Olivier Martire*, Pierre Andrieux and RichardLagabrielle
16.05 F046Radio Frequency Electromagnetics (RF-EM) -Extended VLF Applied to Hydrogeology,Wilhelm Stiefelhagen * and Imre Mu'ller
16.30 F047Logging Technology for Environmental Projects withEmphasis to the Instationery Neutron Methods,Using Signal Processors,Klaus Buckup * and George N. Sideris
16.55 F048Accurate Depth Prediction of Unconsolidated andFractured Zones Using Acoustic Data,Jean Luc Man* and Pierre Gaudiani
XIII
FRIDAY 30 MAY Lecture Room A
DMO & 3D Processing
Chairman: S. Spitz
08.30What is DMO Coverage?,Ralf Ferber*
A049
08.55 .4050DMO Weighting and Interpolation,Philippe Herrmann*, Bernard David and EricSuaudeau
09.20 A051An Improved 3D DMO Implementation forOrthogonal Cross-Spread Acquisition Geometry,Nicholas J. Cooper*, R. Gareth Williams, RichardWombell and Carl D. Notfors
09.45 A052Spatial Dealiasing of the 3D Kirchhoff DMOOperator,Craig J. Beasley* and Everett Mobley
10.10 A053Better Ways to Image North Sea Central GrabenDiapirs,S.R. Barnes*, K. Hawkins and G. Fookes
10.35 A0543D Vertical Cable Processing to Obtain a PrestackDepth Migrated Image,John Anderson *, Dwight Sukup, Sandra Boyd, IlkkaNoponen, Wen ying Cai and Helen De/ome
11.00 A0553D Imaging Using 2D Seismic Data, a SyntheticCase Study,Anja Lambrecht* and Dirk Gajewski
11.25 A056Challenges in 3D Converted-Wave Processing,James E. Gaiser* and Paul J. Fowler
XIV * denotes speaker
FRIDAY 30 MAY Lecture Room B
AVO
Chairman: H. Y. Y. Ahmed
08.30AVP-Analysis By Multi-Gather Inversion,A.J. Van Wijngaarden* and A.J. Berkhout
B049
08.55 B050Carbonate Reservoir Characterization Using 3D AVO- a Case Study From Offshore Tunisia,Sinead Lynch*, Howard Crook, Steve Peel, PhilFoster and Greig Cowan
09.20 B051Frequency Domain Inversion of P-S Seismic Data,Robert J. Ferguson* and Gary F. Margrave
09.45 B052Valley-Fill Sandstone Reservoir Characterization with3D, 3C Reflection Seismology,J. Edward Blott*, Thomas L. Davis and Robert D.Benson
10.10 B053Avo Study, Poseidon Concession, Gulf of Cadiz,John Erick Batti6*, Santi Randazzo, Ted G.Zacharakis and Consuelo Garcia Mojonero
10.35 B054Fracture-Related Amplitude Variations with Offsetand Azimuth in Marine Seismic Data,Colin MacBeth *, Helmut Jakubowicz, Wayne Kirk,Xiang- Yang Li and Frank Ohlsen
11.00 B055Analytic Insight into PP and PS Azimuthal AVOResponse for a Vertically Fractured Reservoir,Geir Ultveit Haugen * and Bjern Ursin
11.25 B056The Effects of Attenuation and Anisotropy onReflection Amplitude Versus Offset,Jos6 M. Carcione *, Hans B. Helle and Tong Zhao
* denotes speaker XV
FRIDAY 30 MAY Lecture Room E
Borehole Geophysics II
H.E. Nordberg
08.30 E049Downhole Triaxial Geophone Sondes for ReservoirMonitoring - a Review,Eric Bathellier* and Jean Czernichow
08.55 £050Dipole Sonic Results (Valhall Area) - Implications forAVO and OBS Interpretation,Michael C. Mueller*, Olav I. Barkved and Leon A.Thomsen
09.20 £057Controls on 1/f-Power Spectral Scaling in SonicLogs - Fracture Density of Lithology?,Christopher J. Bean *, Elaine M. Fitzgerald and SeanS. Dolan
09.45 E052Simultaneous Inversion of Shear-Wave AnisotropyParameters from Multiple Component DipoleAcoustic Array Data,Xiaoming Tang * and Raghu Chunduru
10.10 £053Seismic While Drilling Using PDC Signals - Seisbit®Experience and Perspectives,Flavio Poletto *, Francesco Miranda, Piero Coruboloand Ferdinando Abramo
10.35 £054Improvement of Lateral Resolution in CrosswellTraveltime Tomography,A.P.E. Ten Kroode*, J.C.M. Goudswaard, R.K.Snieder and A.R. Verdel
11.00Crosswell Reflection Imaging withKirchhoff Migration,A.R. Verdel* and A.P.E. Ten Kroode
E055Extended
11.25 £056Crosshole Channel Wave Analysis from AntrimShale Gas Play, Michigan Basin,Enru Liu *, John H. Queen and Dale Cox
XVI * denotes speaker
FRIDAY 30 MAY Lecture Room F
Near Surface /Environmental Geophysics II
Chairman: L. Rybach
08.30 F049Compaction of Dumps-Geoelectrical Proof of theEfficiency,Chr. Oelsner*, F. Donner and J. Keliler
08.55 F050Delineation of Boundaries and Pollutant Plumes at aLandfill Site, London, UK,Elsa Aristodemou* and Anna Thomas-Betts
09.20 £057Outlook on Geophysical Investigation of KarstifiedZones,Alfred Frasheri*
09.45 F052High Resolution Seismic and VSP for the FutureRailway Tunnel Through the Alps,Eric Gillot*, Patrick Lacombe and Patrick Renoux
10.10 F053Rock Quality Studies Using Different SeismicApproaches at Namraud Dam Site in Tehran Area,Iran,M. Ali Riahi* and A. Kaviani
10.35 F054Reflection Seismic Imaging of Complex StratigraphicFeatures in Glacial Deposits,Roberto G. Francese * and Zoltan Hajnal
11.00 F055Testing the Efficiency of Landslide Remediation byMeans of the Drill Hole Variant of the Pee Method,Vladimir Vybfrai*
11.25 F056On Correlations Between Geochemistry ofQuaternary Sediments and Vegetation Reflectivity,Rainer Bars and Viljon Kuosmanen
denotes speaker XVII
Processing
Chairman: R. Marschall
P001Dispersion Analysis by Wavelet TransformTailored for the Data,Peter Scholtz* and Lasz/6 Gili
P002Effects of Interface Curvature on Both theVelocity and Attenuation of P Head Wave,A.P. Krauklis* and P.V. Krauklis
P003Mapping Reflector Point Displacements fromMigrated Partial Offset Stacks,Rhodri Thomas*, Roy E. White and AlessandroCastoro
P004Identification of a Velocity Gradient in aSedimentary Layer from 3-Component OBSMeasurements,Marianne Nardin*, Michel Dietrich, FrancoisGlangeaud and Jacques Deverchere
P005The Common Converting Element Method - theFirst Application,Daniel Garza-Rocha*
P006Linear and Hyperbolic Velocity Filtering Using the1D Wavelet Transform,A.J. Deighan* and D.R. Watts
P007Determination of a New Set of 2D SeismicAttributes with Applications on Real Data,M. Quy Nguyen * and Jerome Mars
P008An Interactively Constrained Approach toLong-Period Static Corrections,Ferdinand Baixas*, Vladimir Glogovsky and SergeiLangman
XVIII
P009Comparison Between the Adaptive Least SquareDeconvolution and the Minimum EntropyDeconvolution,Xiao-Ping Li*
* denotes speaker
AVO
Chairman: R. Marschall
PO11P- and S-Wave AVOA in Fracture-InducedAnisotropic Media,J.-M. Kendall* and S.P. Baker
P012Seismic Wave Scattering in Fractal FracturePopulations - Numerical Simulations,Bruno Riollet*, Christopher J. Bean and Sean S.Do/an
P013Anisotropic Reflection Coefficients - Shear WaveAVO and AVAZ for Cracked Media,Matthias Zillmer*, Dirk Gajewski and Boris M.Kashtan
P014AVO Analysis of the Kimmeridge Clay Formation,H.B. Helle*, T. Zhao, B. Ursin and J. Carcione
P015Dual Dipole Arrivals in Neogene Pay Zones, NileDelta, Egypt,Michael C. Mueller*, Leon A. Thomsen and BillChmela
* denotes speaker
Modelling I
Chairman: R. Marschall
P021Estimation of Litho-Facial and Capacity Propertiesof Reservoirs by Seismic and Well Logging Data,G.E. Rudenko*, A.V. Michaltsev, A.V.Ovcharenko, O.A. Potapov and E.P. Atjasheva
P023As Symptotic Methods in Seismic ReservoirModelling - a Feasibility Study,Andrzej Hanyga*
P024Traveltime in the INRIA Marmousi Models,Ludek KlimeS*
P025Controlled Initial-Value Ray Tracing and Two-PointRay Tracing in 3D,Petr Bulant*
P0263D Coarse Grid GPR Modelling of DippingInterfaces,Ekkehart Tessmer*
P027Numerical Studies of Realistic Single WellMonitoring and Walkaway VSP Configurations,Joachim Falk * and Ekkehart Tessmer
P028Case Study of Inversion on HRS Data to Dis-criminate Sand and Clay Layers Using Pseudo-Sonic Logs,Rob J. Arts* and Berend C. Scheffers
P029Reconstruction of the Near-Surface PhaseVelocity,Fabian E. Ernst* and Gerard C. Herman
P030Near-Surface Scattering from High VelocityCarbonates in West Texas,M.G. Imhof*, M.N. Toksoz, C.I. Burch and J.H.Queen
XIX
Imaging I
Chairman: A.J.W. Duijndam
P031Depth Migration Before Stack by FourierTransform,Andrzej Kostecki and Anna Polchtopek*
P032From Migration Before Stack to Normal Moveoutin F-K Domain,Alexey Stovas*
PO33CPU Efficient Ray + Born Inversion for ComplexVelocity Field,Stephane Operto*, Gilles LambarG and PhilippeThierry
P034Complete Velocity Gradient Determination by theMethod Parametric Unfolding of Mappings (PUM),V.V. Kondrashkov*, E.M. Aniskovich and A.M.Kusin
P035Interest of Ray Born Modelling and Imaging for 3DWalkaways,Vincent Clochard*, Laurence Nicoletis, Julie Svay-Lucas, Manuela Mendes and Luis Anjos
P036Imaging Complex Structures in the SubandeanThrust Belt,O.R. Ferraris*, M.J. Koremblit, L. Pianelli, D.Lorenzo and M. Profeta
XX
Data Acquisition
Chairman: A.J.W. Duijndam
P041Orientation of Non-Gimballed Three-ComponentGeophones in Sea-Floor Data,Jianxin Yuan*, Xiang-Yang Li and David Taylor
P042Rig Source Deviated Well VSPs for Seabed ShearEvaluation and Acquisition Design,Rachel Le Vay Kriger*, Mohammed Mokhtari andDick Ireson
P043Benefits and Applications of a Seismic System2000 Approach to Data Acquisition,Mike Hall* and John Norton
P044Comparison of Different Seismic Data AcquisitionTechniques Over Carbonates, Volcanics andThrust Belt Areas in Turkey,Yilmaz Sakallioglu*
P045Special Aspects of Acquisition of 2D HRS DataUsing Dynamite and Vibroseis Sources,Berend C. Scheffers*, Rob J. Arts, Sjef A.C.Meekes and Wim M.A. Otte
P046Geophone Spurious Frequency - What Is It andHow Does It Affect Seismic Data Quality?,Peter W. Maxwell* and Kees Faber
P047Seismic Response of a Complex Near SurfaceModel - Field and Numerical Experiments,Dominique Rousset* Pierre-Henri Germa, HervePerroud and Guy Senechal
P048Airguns in VSP Instead of Explosive - WinterExperience,Andrey Skritsky*, Alexandra Vojevodina and AlikKassimov
* denotes speaker
Data Acquisition
Chairman: A.J.W. Duijndam
P049Combined Use of Hydrogeological and Geo-physical Methods to Optimize 3D SeismicAcquisition,W. Ape/*, N. Blindow, R. Seitz, W. Finger, U.Weber, F. Bahloul and H.D. Heidler
P050
Three-Component Recording Distortion at a WaterSediment Interface,Colin MacBeth*
* denotes speaker
Anisotropy
Chairman: A.J.W. Duijndam
P051AVA Observations in Azimuthal VSPs,Steve Home* and Colin MacBeth
P052Separation of Anistropy and Structure DuringProcessing,Thomas Kuhnel* and Xiang-Yang Li
P053Converted Wave Stacking Charts and Binning forTilted Anisotropic Layers,Bjorn E. Rommel*
P054On Anisotropy Parameter Estimation bySemblance Analysis,Michel Le Bougeant*, R. Gerhard Pratt, PaulWilliamson and Peter Rowbotham
P055Generalized Anisotropic Biot Model as EffectiveModel of Stratified Poroelastic Medium,Andrey Baku/in* and Lev Molotkov
P056Biot Description of Thinly Layered Porous Mediumwith Impermeable Solid Layers,Lev Molotkov* and Andrey Baku/in
XXI
Rock Physics
Chairman: K. Holliger
P061Effect of Porosity and Water-Saturation on theElectrical Parameters of Some Crystalline Rocks,Taras Sergeevich Lebedev* and Sergey IvanovichShepel'
P062Monitoring the Growth of Hydraulic Fractures withShear Waves,Jeroen Groenenboom*, Remco Romijn and JacobT. Fokkema
P063Changes of Elastic Parameters in Gaseous Forma-tion on the Basis of Theoretical Model of PorousRocks,M. Bala*
P064Physical Properties of Near Surface MarineSediments,F. Theilen*, A. Ay res and G. Lange
P065Estimation of P-Wave Attenuation from High-Resolution Acoustic Data in Water-SaturatedSediments,Xiao-Ping Li*
P066Petrophysical Properties of Nickel Deposits inFinland,Markku Peltoniemi*, Petri Jaaskela'inen, RistoPietila, Liisa Kivekas and Arto Niemi
P067Self-Similarity of Pore Space in the Reservoirs,I.V. Orischenko* and Yu.A. Chernenko
P068Porosity Estimation from P and S Velocities Usinga Semi-Empirical Velocity-Porosity-Clay Model,Igor Goldberg * and Boris Gurevich
XXII
P069Seismic Velocities in Permafrost,Jose Carcione* and G6za Seriani
P070Effective Elastic Constants of Arbitrary Ani-sotropic Composite Material,A.B. Druzhinin*
denotes speaker
Borehole Geophysics I
Chairman: K. Holliger
P071The Dependence of Time Interval on Expert ofDolomitization and Calcitization in CarbonateRocks,V. Kurgansky* and V. Khrapak
P072Towards an Indicator for the Poissons' Ratio UsingVSP Data,Riaz Ala'i*
P073Reservoir Characterization from Seismic Data byFactor Analysis Use,I.P. Ampilov*, E.V. Zakharov, E.F. Bezmaternykh
P074Detection of Fractured Limestone Reservoirs fromWell Logs Data in Albania,Thanas Andoni* and Fatmir Bocka
P075Reokona Seismic Technology Studies Reservoirand Fluid-Saturated Properties of Rocks in theVicinity of the Borehole,V.A. Brygynevych*
P076A New Approach for Fast Forward Modelling ofEM Logging Devices,A.B. Cheryauka* and M.I. Epov
P077Dielectric and High Frequency Resistivity Loggingfor Exploration of Hydrogeological and Geo-technical Boreholes,D.S. Daev*, V.S. Zinchenko and A.D. Talalov
P078Study of Sensitivity Analysis Method in BoreholeResistivity Datas,B.S. Suh*, H.K. Jung and B.D. Kwon
P079The Borehole Effect in Imaging the Earth UsingResistivity Tomography,M.-J. Yi*, J.-H. Kim, S.-H. Chung and I.-K. Cho
* denotes speaker
P080Gekkon - Automatic Interpretation of Well LoggingData During Well Control of Gas Pools,Sh.K. Gergedava*. A.I. Ipatov and M.I.Kremenetskii
XXIII
Presentations on Wednesday at 09.20, 09.45 and 10.10
Ground Penetrating Radar& Mining
Chairman: K. Holliger
P081GPR 3D Data - Detection of Cracks and StructuralChanges on a Concrete Airbase Runway,Joerg Endom * and Hartmut Weitzel
P082Migration of Ground-Penetrating Radar Data withSimultaneous Topographic Correction,Marco A. Barsottelli-Botelho* and Reynam DaCruz Pestana
P083GPR Application for the Decision of EngineeringGeological Problems in Permafrost Region,Albert A. Ryjov*
P084Radar Traveltime Tomography in Anisotropy Media- in the Application of Limestone Area,Seong-Jun Cho * and Jung-Ho Kim
P085Application of Seismic Methods into Determinationof the Range of Fractured Zones Caused by CoalExploitation,Ryszard Slusarczyk*, Kaja Pietsch and Jerzy Dec
P086Seismic Prediction in Underground Construction,Thomas Dickmann * and Guido Kneib
P087Application of the EMIGMA Modelling to UtemData over the Cominco Cerattepe Deposit,R.W. Groom*, J. Lajoie, C.H. Hyde and D. Parker
P088Underground Cosmic Ray Detection Compared toGravimetry in Geophysical Application - Results ofthe MGA Experiment,Franco Coren*, Gianrossano Giannini andElisabetta Caffau
* denotes speakerXXIV
Imaging II
Chairman: M. Lavergne
P091Prestack Depth Migration of Time-Lapse SeismicData,R.L.C. Van Spaendonck*, M.W.P. Dillen*, A.J.W.Duijndam and J. T. Fokkema
P092Refractor Imaging Using the GeneralizedReciprocal Method,Oguz Selvi* and Hayrullah Karabu/ut
P093Anisotropic Parameter Determination of Shales bya Refraction Seismic Field Study,Jennifer M. Leslie*, Don C. Lawton and JenniferD. Cunningham
P094Refracted Wave Migration,Jannis Makris * and Vitaly Pilipenko
P095Velocity Macro Model Estimation by Stereo-tomography,Frederic Billette * and Gilles LambarG
denotes speaker
Crustal
Chairman: M. Lavergne
P101Design of Crustal Acquisitions - Vibroseis versusExplosive and Expanding Spread Experiments,Luigi Zanzi*, Eusebio Succhi and Alfredo Mazzotti
P102Depth Geophysical Research Along a Basic Profilein Barents Sea,/./. Matveev* et al.
P103The Structure of the North German Basin - theDekorp- Experiment Basin '96,Charlotte M. Krawczyk*, Erika Luck, ManfredStiller and Onno Oncken
P104How High is Seismic Attenuation in CrystallineRocks - a Comparison Between the German KTBand the Russian Kola Deep Well,Xiao-Ping Li*
P105A Comparison of Basin Evolution Models Derivedfrom Deep Geophysical Data,Endre Hegedus*, Kiroly Posgay and Erno Takics
P106Kontum Geoblock and Its Geophysical Cha-racteristics,Nguyen Thanh Giang* and Nguyen Gian Vu
P1O73D Gravity/Magnetic Modelling of CrustalStructure on the UK Atlantic Margin,M.K. Lee*, R.M. Carruthers, Z.K. Dabek, I.F.Smith, J.W.F. Edwards, K. Hitchen and J.D.Ritchie
P108Iberian Crust Analyzed by Residual GravityAnomalies - Moho Prediction and Isostasy,Gerco Stapel*, Jacob Verhoef, Henk Kooi andSierd Cloetingh
P109Simulation of Earthquake Ground MotionsRecorded in Iran,Mohammad K. Hafizi* and Mir-Kazem Jalali
XXV
Modelling II
Chairman: M. Lavergne
pinA Parallel Approach to Wave Propagation withFinite Elements Using Message-Passing,Javier Sabadell*, Andrew J.S. Wilson, FranciscoSeron, Ian Main and Jose Badal
P112Parallel Spectral Elements for 3D LinearElastodynamics,Claudio Bagaini* and Fa bio Maggio
P1132D Inversion of Refraction Traveltime CurvesUsing Homogeneous Functions,V.B. Pi/'p*
P114A Quantitative Evaluation of 2D SeismicInversion's Ability to Resolve Thin Beds,Steve Peel*, Howard Crook and Sinead Lynch
P115Resolution of Multi-Parameter Ray + Born Inver-sion,Eric Forgues * and Gilles Lambare
P116Reflections from Gridded Elastic Models by RayMethod + Born Approximation,Dmitri Lokshtanov*
P117Preconditioned Full-Waveform Inversion in GeneralViscoacoustic Media,Emmanuel Causse *, Rune Mittet and Bjern Ursin
P118Viscoelastic Effective Rheologies for ModellingWave Propagation in Porous Media,Jose M. Care/one*
P119The Influence of Spatial Correlations on EffectiveMedia,Guus J.H. Muijres* and Gerard C. Herman
XXVI
P120The Self-Organization of Models - New Approachto Reservoir Properties Forecast by Seismic Data,V.P. Kovalev* and A.I. Polituchyi
P121Geometrical Building of 3D Crustal InterfacesUsing 2.5D or 3D Picked Seismic Data,F. Pivot*
P122Convex Body Regularization in Linear Inversion/Deconvolution,Marina Biryulina and Gennady Ryzhikov*
denotes speaker
Electromagnetics
Chairman: D.P. Mi/as
P132Tomographic Inversion of the ElectromagneticData - Induction Logging, TEM-TDEM,Mikhail Epov* and Vladimir Mogilatov
P133Enhancement of Electromagnetic Signal ofConductive Mineral Deposits,Michael Sykes * and Umesh C. Das
P134Downward Continuation of Magnetotelluric Fieldin 3D Media,Juliusz Miecznik*, Wojciech Klitynski, AndrzejGajewski and Andrzej Pepel
P135Stabilized Analytical Signal Method in ElectricalResistivity Tomography,G. Sastry Rambhatla and Paras Ranjan Pujari*
P1363D Parameter-Sensitivity of DC Dipole Arrays,Sandor Szalai*
P137A Conception of Deep Geoelectric SurveyDatabase for Poland,Michal Stefaniuk * and Tomasz Czerwinski
P138Application of Electrical Reconnaissance Methodfor Oil and Gas Prospecting on Shelf,A.A. Petrov*, M.J. lanevitch and E.D. Lisitsin
P139The New Approach to the Analysis of theAzimuthal Resistivity Data Over AnisotropicMedia,Eugeny V. Pen/ago*, Dimitry K. Bolshakov, IgorN. Modin and Vladimir A. Shevnin
P140The Electro-Gravimetric Method of DirectExploration of the Oil and Gas Fields,K.M. Kerimov, G.B. Agakuliyev*, A.A. Abdullayevand K.G. Mamedgasanov
* denotes speaker
Data Management
Chairman: D.P. Milas
P141An Open Exploration and Production ProjectDatabase for the Next Millennium,Paul Cleverly* and Mark Walker
PI 42The Contribution of Landmark Software forInterpretation of New Tectonic Events in theExternal Albanides,Vilson Bare*, Llazar Mehillka, Luan Zaimi,Leonidha Qobo and Vasillag Ngresi
XXVII
Presentations on Thursday at 09.20, 09.45 and 10.10
Near Surface
Chairman: D.P. Milas
P151Synthetic DC Focusing Arrays in DrillHoles-Detection of Cavities and Fractures,Pierre Andrieux*, Olivier Martire and LaurentFrobert
P152Improvements in High-Resolution Seismic andGeoradar Acquisition Techniques,Michiel Van der Veen*, Frank Lehman, Peter Wildand Alan Green
P153Prediction of Ground Vibrations Caused by theConstruction and Use of Railway Tunnels,Ewald P. Bruck I* and Johannes Do Izlm tiller
P154A Vibrator System for Shallow High-ResolutionReflection Seismics,H. Buness*. K. Bram, G. Druivenga and S.Gruneberg
P155Inversion of Guided-Wave Dispersion Data,M. Dobrdka*
P156Complex Geophysical Prospecting of a CelticTemple,Susanne Lorra*, Cornelius Meyer and HaraldStiimpel
* denotes speakerXXVIII
Hydrocarbon ExplorationApplications
Chairman: L. Aleotti
P161Direct Hydrocarbon Indicators on the UK AtlanticMargin,J.W. Gallagher*, J. Bing ham and R.W. Simm*
P162Multi Parameter Seismic Signature of Reef-LikeObjects within the Permian Carbonate Deposits,Ha/ina Jedrzejowska-Zwinczak*, BohdanJalowiecki and Piotr Misiarz
P163A New Method of Prognosis of HydrocarbonDeposits by Seismic Exploration,Y. V. Timoshin * and S. G. Semenova
P164Multi Component Data From Barents Sea,Jan Langhammer*, John Erick Battie, Mundy Brinkand Bente Fotland
P165Magnetotelluric Survey for Hydrocarbon Ex-ploration in Yurihara Oil Field, Northeast Japan,Kiochi Matsuo, Yuji Mitsuhata, Hideki Tanaka andMas a to Minegisi
P167Probabilistic Relaxation for Seismic PatternRecognition,Abdelaziz Faraj* and Fr6d&rique Fournier
P168Paleogeographic Factor in 3D Interpretation, PolishPart of the Permian Basin,Maciej Gorski*, Matgorzata Trela, WiestawaKunicka-Gorska
P169Extraction of Stratigraphic Seismic AttributesUsing Poststack Processing Enables SeismicFacies Interpretation over Large 3D Surveys,J.D. Kerr*, G.L. Jones and P. Jonklaas
PI 70Bright Spot Analysis Using AVO and HilbertAttributes as Well as Horizontal VelocityEstimation,£. Takdcs*, I. Kummer, J. Sfpos and A. Pa"pa
* denotes speaker
Borehole Geophysics II
Chairman: L. Aleotti
P171The Method for Numerical Solving of the DirectBorehole Acoustic Problem,Anna A. Sokolova*
PI 72Empirical and Semiempirical Approach to the Com-prehensive Calibration of Nuclear Logging Tools,T. Zorski* and T. Massalski
PI 73Development of Very-Small Source Density Sonde(SSDS) with Symmetrically Arranged Detectors,S. Imamura*, H. Azama and D.N. Merton-Lyn
PI 74Spatial Interpolation in Log Analysis UsingNeural-Fuzzy Technique,Yuan Tu Huang*, Patrick Wong and Tom Gedeon
PI 75Processing and Interpretation of a Long InterwellCrosswell Seismic Data Set,Anthony A. Vassiliou*, Marty Williams, Henry Tanand Van Leighton
PI 76Estimation of Both Vertical and Horizontal ScalingParameters from Borehole Wire-Line Log andTeleviewer Data,Sean S. Dolan* and Christopher J. Bean
PI 77Two Causes of the Deformation of BoreholeAcoustic Full Waveforms - Resonnance andDistortion, Andr6 Rousseau*
PI 78The Effect of Attenuation on Wavelet Estimation,J.P. Neep* and M.H. Worthington
PI 79Source Signature Deconvolution in Marine VSPData,M. Higgins*, C. MacBeth and A. Ziolkowski
P180Fuzzy Geomodel Expert System - ApplicationResults,E. V. Kova/evsky* and S.B. Denisov
XXIX
Gravity & Magnetics
Chairman: L. Aleotti
P181The Heligrav System - a Novel Means forPerforming Cost- Effective Regional GravitySurveys,R. Martin*, H.O. Seigel and T. McConnell
P1823D Gravity Inversion of the Laguna Salada Basin,BCN Mexico,Rene E. Chavez*, E. Leticia Flores-Marquez,Maria Ladron de Guevara, and Jaime Herrera
P183Gravity Measurements and Interpretation ofSelected Regional Profiles of Western Carpathiansin Slovak Area,Viktor/a Szalaiova* and Jaroslav Santavy
P184Accuracy of Satellite Gravity Compilation Maps - aComparison with Ship Gravity in SE Asia,Rob Holt*
P185Automatic Interpretation of Magnetic Data - theImproved Source Parameter Imaging Method,Richard S. Smith*, Jeffrey B. Thurston, Ting-FanDai and Ian N. MacLeod
P186Artist a Procedure for Trace and Missing TraceInterpolation,Roger Haagmans * and Arnoud De Bruijne
P187Filtering of Gravity Data Using a HartleyTransform in Shamakhy-Gobustan and Apsheron(Azerbaijan) Oil and Gas Regions,Fahrettin Kadirov*, Hakan Karsli, Kenan Gelisliand AH Ay din
P188Structure of the Basement and the Cover of EastEuropean Platform on Regional Gravity andMagnetic Data,/.A. Smirnova*, I.N. Mikhailov, B.V. Ermakov andA.K. Veselov
XXX
P189New Information about Navarin Basin DeepStructure Based on the Results of Gravity andMagnetometry Data Complex Analysis,A.I. Atakov*, I. V. Belyaev and N.N. Rzhevsky
P190New Aeromagnetic Survey Results on a BarentsSea Section,Yu.G. Turbin* and A.A. Petrova
P191Some Problems Can Be Solved by the QSP-Method,I.S. Elisseyeva*, I.G. Giorgadze, N.N.Kodzhebash, E.S. Kojevnicova, V.V. Nasedkin,V.N. Shuval-Sergeyev and K.A. Jovinski
denotes speaker