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EXTENDED ABSTRACTS BOOK 58th EAGE Conference and Technical Exhibition, Amsterdam, The Netherlands, 3 - 7 June 1996 ORAL AND POSTER PRESENTATIONS Geophysical Division EAGE Business Office Laan van Vollenhove 3039 PO Box 298 3700 AG Zeist The Netherlands Telephone Telefax + 31 30 6956997 + 31 30 6962640 © 1996 European Association of Geoscientists & Engineers UB/TIB Hannover 114 845 301 89

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Page 1: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

EXTENDED ABSTRACTS BOOK

58th EAGE Conference and Technical Exhibition,Amsterdam, The Netherlands,

3 - 7 June 1996

ORAL AND POSTER PRESENTATIONS

Geophysical Division

EAGE Business Office

Laan van Vollenhove 3039PO Box 2983700 AG ZeistThe Netherlands

TelephoneTelefax

+ 31 30 6956997+ 31 30 6962640

© 1996 European Association of Geoscientists & Engineers

UB/TIB Hannover114 845 301

89

Page 2: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

CONTENTS

Foreword I

Technical Programme

Oral Presentations II

Poster Presentations XIX

Abstracts of Papers

Oral Presentations X001 - X056

B001 - B056

C001 - C056

M001 - M056

E049 - E056

Poster Presentations P001 - P187

Authors Index

Page 3: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

TUESDAY 4 JUNE

Interpretation Technology

Chairman: K. Kolbjernsen

09.00 X001Volume Interpretation, a New Approach to 3DSeismic Interpretation,Ronald C. Hoogenboom *, Richard M. Dalley andHugo J. Poelen

09.25 X002Volume Interpretation Applications,Dorine Y.C.E.M. De Jonge*, Bas Spaargaren andFrank G. Glass

09.50 X0033D Image Processing for 3D Seismic Interpretation,RichardM. Dalley*, AHsterK. Livesey, Rick CentenoNeelen and Peter F.M. Nacken

10.15 X004Porosity Mapping in a Devonian Reef Using 3DSeismic Waveforms and Neural Networks,Fotis Kalantzis * and Ping An

10.40 X005Spectral Detection of Hydrocarbons,Maher S. Maklad*, James Dirstein and OsamaAbdel-Aal

11.05 X006The Use of Pseudo-Wells in Seismic InterpretationStudies,Paul P.M. De Groot* and Albertus H. Bril

11.30 X007Frequency-Time Analysis - a Tool for GeologicInterpretation,V. V. Makarov*, I.A. Mushin, E.A. Taratyn and B.K.Frolov

11.55 X008Inverse Sequential Gaussian Simulation VersusSequential Gaussian Co-Simulation,Harry Debeye * and Eyad Sabbah

Page 4: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room FORUM

Imaging I: Velocities

Chairman: I.F. Jones

13.30 X009Automatic Background Velocity Estimation in 2DMedia,Carlos L, Varela*, Paul L. Stoffa and Mrinal K. Sen

13.55 X010Stacking Velocity Inversion in Anisotropic Media,P.R. Williamson*, P. Sexton*, E. Robein and P.Bertuet

14.20 X011CRP-Scans from 3D Prestack Depth Migration - aNew Tool for Velocity Model Building,Francois Audebert * and Jean-Paul Diet

14.45 X012Global 3D Tomography - an Efficient Approach to3D Velocity Model Building,Patrick Blonde/*, Sylvestre Charles, J6r6me Guilbotand Philippe Julien

15.10 X013Velocity Resolution - the Second Key to DetailedGeologic Information,Corinne Juliard* and Pierre Thore

15.35 X014CFP Technology, a Paradigm Shift in SeismicProcessing?,A.J. Berkhout*

16.00 X015Uncertainty in AV0 Migration / Inversion,Howard Grubb *, AH Tura and Christian Hanitzsch

16.25 X016A Practical Formulation of Migration Errors Due toVelocity Uncertainties,Pierre Thore * and Andre Haas

* denotes sDeaker

Page 5: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

TUESDAY 4 JUNE

Data Processing: Multiples andNoise Removal

Chairman: A.J.W. Duijndam

09.00 B001Multiple Elimination Strategies for Land Data,P.G. Kelamis* and D.J. Verschuur

09.25 B002On Two Approaches to Wave Equation BasedMultiple Attenuation,M.K. Sen*, P.L. Stoffa, J.T. Fokkema and C.Calderon

09.50 5003Removal of Interbed Multiples,D.J. Verschuur* and A.J. Berkhout

10.15 B0043D T-p Filtering,Maria S. Donati*, Nicolas W. Martin and Robert R.Stewart

10.40 B005Prestack Coherent-Noise Suppression of 3D Data inthe F-X Domain,James E. Gaiser*

11.05 B006Ellipticity Filter for Ground-Roll Removal,M. Becquey* and M. Manin

11.30 B007An Application of 2D Acoustic Datuming - DataConditioning Before Wave Separation,G. Omnes*

11.55 B008S/N-Ratio Enhancement for Prestack VelocityAnalysis,B. Jaarsma* and H.L.H. Cox

* denotes speaker

Page 6: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room B

Data Acquisition: Sources

Chairman: I. Jack

13.30 B009Calculation of Far-Field Air Gun Signatures UsingGun-Mounted Pressure Sensors,Anton Ziolkowski* and Rodney Johnston

13.55 BOWTuning of Marine Seismic Sources in MarginalWeather Conditions,Nils Lunde*, Rune Heggernes, Mons Midttun andLeon Walker

14.20 B011Marine Source Evaluation in the West Shetland Area- Revisited,Mo Safar*

14.45 BO72The Design and Development of a New MarineVibrator Source,R. Tenghamn*, S. Vaage, S. Strandenes and M.Midttun

15.10 B013A Step Forward in the Design of Hydraulic Vibra-tors,M. Capes tan * and P. Buttin

15.35 B014The Acoustic Output of a Marine Vibrator,Leon Walker*, Gary Potter, Mike Jenkerson andJean-Marc Rodriguez

16.00 B015Quality Control on a 3D Vibroseis Crew,J.J. Postel*, M. Denis, P. Baliguet and P. Burger

16.25 B016A New Concept for a Spinning Weight ShearSource,Jan G.F. Stammei/er*

Page 7: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

TUESDAY 4 JUNE

Modelling I

Chairman: S. Treitel

09.00 COO 7The Tip Wave Superposition Method Based on theRefraction Transform,Arkady Aizenberg*, Hans B. Helle, Kami/I D.Klem-Musatov and Jan Pajchel

09.25 C002A Pertubation Technique for Travel Time Compu-tation with FD-Eikonal Solvers,Norman Ettrich* and Dirk Gajewski

09.50 C003Hard and Smooth Models for Seismic Imaging Basedon Raytracing,Dirk Smit* and Wim Mulder

10.15 C004Multiple Scattering of Seismic Waves in ThinlyLayered Media,Sergei A. Shapiro* and Sven Treitel

10.40 C005Heterogeneous Modelling Behaviour at an Interfacein Porous Media,G. Quiroga-Goode* and J.M. Carcione

11.05 C006Theoretical Description and Numerical Simulation ofElastic Wave Propagation in Random Media,Eberhard Burr*, Norbert Gold and Sergei A. Shapiro

11.30 C007Waves in Scaling Media - the Implication ofNon-Differentiability,Felix Herrmann * and Joes Staal

11.55 C008Time-Domain Representation of Waves in Mediawith Frequency Power Law of Dispersion, VladimirE. Rok*

IV

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Lecture Room C

Anisotropy I

Chairman: R.-G. Ferber

13.30 C009Non Hyperbolic Reflection Move Out for HorizontalTransverse Isotropy,Abdul Fattah Al-Dajani* and llya Tsvankin

13.55 C070Wave Polarization in Transversely Isotropic andOrthorhombic Media,Jos6 M. Care/one * and Klaus Helbig

14.20 C011Frequency-Dependent Anisotropy of Seismic Wavesin Transversely Isotropic Multilayering,Ulrich Werner* and Sergei A. Shapiro

14.45 CO 72Effective Parameters and Seismic Velocities forAzimuthally Anisotropic Media,llya Tsvankin*

15.10 C073About the Relation Between the Effective Model ofLayered Fluid-Solid Medium and TransverselyIsotropic Biot Model,Lev Molotkov* and Andrey Baku/in

15.35 CO14Stacking Analysis in Transversely Isotropic Media,M. Le Bougeant* and R.G. Pratt

16.00 CO 75Velocity Analysis Using Nonhyperbolic Move Out inTransversely Isotropic Media,T.A. Alkhalifah*

16.25 C016Anisotropic Seismic Data Processing,Omar Uzcategui*, Daniel Mujica and Valmore Celis

* denotes speaker

Page 9: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

TUESDAY 4 JUNE

Electromagnetics I

Chairman: B.A. Hobbs

09.00 M001Relations Between Tensor VLF and MagneticAnomaly Maps,L.B. Pedersen*

09.25 M002Automated 1D Interpretation of ResistivitySoundings by Simultaneous Use of the Direct andIterative Methods,Ahmet T. Basokur*

09.50 M003A New Processing Technique in Reducing(Sub)Horizontal Layering Effects in 3D ResistivityMeasurements,A. Kamkar-Rouhani* and Umesh C. Das

10.15 M004Least-Squares Inversion of Large 3D Resistivity DataSets Using Auxiliary Storage,M.H. Loke*

10.40 A70052D Inversion of Long-Offset TEM Data,Lutz Petrat* and Andreas Hordt

11.05 M006Correlation Between Model Parameters and MisfitFunction Topography of Some TEM Systems, S.-E.Hjelt*, M. Pirttijarvi and S.K. Verm a

11.30 M007Computation of Frequency Domain CSEM ApparentResistivity,Brett D. Harris *

11.55 M008A New Apparent Resistivity Concept for LowFrequency Electromagnetic Sounding Techniques,J. van der Kruk*, J.A.C. Meekes, P.M. van denBerg and J. T. Fokkema

* denotes speaker

Page 10: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room M

Near Surface EM

Chairman: J. C. Meekes

13.30 M009Field Evaluation of a Fast Resistivity Imaging SystemUsing Multi-Channel Capacitive Electrodes,Tsuyoshi Kobayashi*, Benoit Texier and HiromasaShima

13.55 MOWHydraulic Anisotropy Derived from AzimuthalResistivity and Electromagnetics,S.K. Sandberg*, C.R. Fitts and J.B. Drasdis

14.20 M011High Resolution Electrical Measurements at a TestSite Near Julich, Germany,KatjaSchuIze*, Matthias Seichter, Matthias Seuffertand Hans-Joachim Kumpel

14.45 MO 72Use of Electromagnetics to Map HydrogeologicalParameters in Salinised Land, Western Australia,Vernon Wilson*

15.10 M013Inspection of a Former Industrial Area with GPR andEM Investigations,Hartmut Weitzel* and Jorg Endom

15.35 M014Electromagnetic and DC Resistivity Mapping ofWaste Deposits and Industrial Sites - Experiencesfrom Southern Sweden,C. Bernstone* and T. Oahlin

16.00 M015Geophysical and Hydrogeological Surveys of theOitti Hazardous Spill Site, Southern Finland, MarkkuPeltoniemi*, Eevaliisa Laine, James S. Me/let andPauli Hanninen

16.25 M016Structure and Physical Parameters of Shallow Sand-Bodies from Seismic and Resistivity Data,K. Roy-Chowdhury *, F. W. de Lind van Wijngaardenand B. Makaske

Page 11: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

WEDNESDAY 5 JUNE

Imaging II

Chairman: S.M. Deregowski

09.00 X077Poststack Time Remigration,Makky S. Jaya *, Jorg Schleicher and Peter Hubral

09.25 X018Different Simulations of the Kinematics of TimeMigration - a Review,Paul Sexton * and Etienne Robein

09.50 X079Accurate 3D Time Migration Focusing in Regions ofLateral Velocity Gradients,Cole Harris*

10.15 X020Accurate Migration Using Offset-CheckshotSurveys,J.R. Krebs*, D.R. Fara and A.E. Berlin

10.40 XO27Quick-Look 3D Prestack Time Migration,Ralf Ferber*, Bjorn Sanders and Oz Yilmaz

11.05 X022Can we Afford the Time for 'Time' Processing?,K. Hawkins*, D. Evans, R. Laver, M. Vickers, N.Oliver and J. Anderson

11.30 X023Converted-Wave (P-S) Prestack Migration andVelocity Analysis Using Equivalent Offset Migration,John C. Bancroft* and Shaowu Wang

1155 X024Steep Dip Kirchhoff Migration for Linear VelocityGradients,Nicolas W. Martin *, Maria S. Donati and John C.Bancroft

VI

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Lecture Room FORUM

Seismic Data Analysis

Chairman: S. Spitz

13.30 X025Keynote:Some Geophysical Consequences of Fractal Scaling,Neil Hargreaves *

13.55 X026The Quantification of Seismic Data Quality - (i)the Method,Ian Scott*, Phil Armstrong and Dick Ireson

14.20 X027The Quantification of Seismic Data Quality - (ii) aCase Study,Lloyd Peardon *, Tim Birks and Ian Scott

14.45 X028A Field Case of Data Quality Analysis,B.C. Scheffers*, E.C.C. Wildeboer Schut, J.A.C.Meekes and H.L.H. Cox

15.10 X029A Comparison of Multi-Dimensional WaveletCompression Methods,Edmund Reiter* and Mike Hall

15.35 X030Analyzing and Zerophazing Seismic Data Using theWavelet Transform,Sabeur Mansar * and Jean-Marc Rodriguez

16.00 X031Coherence Computations with Eigenstructure, AdamGersztenkorn * and Kurt J. Marfurt

16.25 X032Extraction of Attributes from 3D Seismic Data,Philippe Steeghs * and Guy G. Drijkoningen

* denotes speaker

Page 13: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

WEDNESDAY 5 JUNE

Ocean Bottom Recording

Chairman: A. Ziolkowski

09.00 flO77Design, Manufacture and Installation of a PermanentSeabed Sensor Network for Seismic ReservoirMonitoring,Karstein Roed*, Erik Dietrichson and Dick Ireson

09.25 B018The Dual-Sensor Ocean Bottom Cable Method -Attributes, North Sea Tests and Recent Advances,Fred J. Ban*, Josef Paffenholz and William Rabson

09.50 B019Comparison of the Results of Two DifferentMethods of Marine Shear Wave Acquisition,Pal Kristiansen* and Dick Iresson

10.15 B020Seismic Methodologies for a 3 Components SeaFloor Geophone Experiment on a Potential Flat Spotin the Voring Basin,M. Brink *, P. Y. Granger, M. Manin and S. Spitz

10.40 S027P- and S-Wave Separation for Ocean BottomSeismic Recordings,Maria S. Donati* and Robert R. Stewart

11.05 B022An Improved Method for Determining Water BottomReflectivities from Dual-Sensor Ocean Bottom CableData,Josef Paffenholz* and Fred J. Barr

11.30 B023Ghost Attenuation in Dual-Sensor Cable Data,Luis L. Canales * and M. Lee Bell

11.55 B024Multiple Attenuation on Multicomponent Sea FloorData Modelling,Are Osen, Lasse Amundsen* and Arne Reitan

* denotes speaker

Page 14: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room B

Seismic Case Histories

Chairman: B.B. Beskow

13.30 B025Integrated 3D Acquisition and ProcessingTechniques in Heavily Obstructed Areas - theBelayim Field Case History,Giovanni La Bella*, Davide Calcagni, GiovanniRonchitelli and Ibrahim Mohamed

13.55 B026The Impact of the 3D Seismic Reshoot on FieldDevelopment in the Greater Gannet Area, CentralNorth Sea, D.J. Davies*, M.E. Minning, C. Grantand R.A. Beale

14.20 B027Fluid Imaging Using Densely Spaced OBS-Data fromthe Vering Basin,Eivind W. Berg*, Lasse Amundsen, Andrew Mortenand Rolf Mjelde

14.45 B0283D Ocean Bottom Cable Project over the Abu AlBukoosh Field,D. Enns *, J. -L. Piazza and Ph. Prat

15.10 B029Seismic Imaging in the Presence of BasaltsWide-Angle Profiling in the Faroe Basin,Roberta Masotti*, Penny J. Barton, K. RuthRichardson and Ross Cameron

15.35 B030Lithology and Compaction from a Seismic VelocityStudy in the Voring Basin, Norwegian Sea,Sfe/>7 Fanavo/I*, Olav Hansen, Helge Leseth and0yvind Sylta

16.00 B031Subsurface Image of Geopressured Rocks UsingSeismic Velocity and Acoustic Impedance Inversion,N.C. Dutta* and A. Ray

16.25 B032Stratigraphic Interpretation Below Salt from 3DPreSDM AVO,Richard O. Lindsay* and Davis W. Ratcliff

VII

Page 15: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

WEDNESDAY 5 JUNE

Anisotropy II

Chairman: C.P.A. Wapenaar

09.00 CO 7 7Can we Separate the Effects of Anisotropy andStructure from P-Wave Travel Time Data?,T. Kuhnel* and X.-Y. Li

09.25 C07SPore Space Structure and Anisotropy Properties ofSmall Porosity Cracked Media,Boris P. Sibiriakov*, Sergei B. Gorshkalev andWladimir V. Karsten

09.50 C019A Resolution Analysis for Anisotropic Inversion /Migration,Maarten V. de Hoop * and Carl Spencer

10.15 C020Far Field Radiation Patterns in Anisotropic Media,Telesson N. Teles*, Lilians A. Diogo and IvanPSendik

10.40 C027Ray Theory Green's Function in InhomogeneousAnisotropic Media,Telesson N. Teles* and Ivan PSeniik

11.05 C022Shear Wave Analysis for Azimuthal AnisotropyUsing Pseudo-Rotation of Marine VSP,Colin MacBeth*

11.30 C023Determination of the Principal Directions ofAzimuthal Anisotropy from P-Wave Seismic Data,Subhashis Mallick*, Kenneth L. Craft, Laurent J.Meister and Ron E. Chambers

11.55 C024Shear Wave Anisotropy and Permeability Changesin Sandstones with Aligned Cracks,M.S. King*, A. Shakeel and N.A. Chaudhry

VIII

Page 16: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room C

Rock Physics

Chairman: Ms I. Magnus

13.30 C025Measurement of Ultrasonic Bulk Properties ofWater-Saturated Porous Media,Oscar Kelder* and David M.J. Smeulders

13.55 C026Up-Scaling for Geomechanical ModellingNon-Symmetric Rigidity Tensors and TheirSymmetric Approximation,Wouter ZiJI*, Gerard Rijpsma and Ipo Ritsema

14.20 C027Acoustic Velocities of North Sea Shales,Rune M. Holt*, Eyvind F. Senstebe and PerHorsrud

14.45 C028Seismic Attenuation in Thinly Layered, FluidSaturated and Permeable Sediments,S. Gelinsky* and S.A. Shapiro

15.10 C029Permeability Estimation of Rocks Using LocalPorosity Theory,U. Fauzi*, A. Hdrdt, F.M. Neubauer and K. Vozoff

15.35 C030Stress-Induced Coupling Between AnisotropicPermeability and Shear Wave Splitting,Sergey V. Zatsepin * and Stuart Crampin

16.00 C037Acoustic Monitoring of Hydraulic Fracture Growth,J. Groenenboom * and R. Romyn

16.25 C032Numerical Simulation of Ultrasonic Experiments onPoroelastic Samples,Boris Gurevich*

* denotes speaker

Page 17: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

WEDNESDAY 5 JUNE

Ground Penetrating Radar & RockPhysics

Chairman: D.S. Parasnis

09.00 M017Effects of the Conductivity / Permittivity Ratio onthe Dispersion and Attenuation of Radar Signals,Jan W. Schoolmeesters * and Evert C. Slob

09.25 M018Dispersion of GPR Waves,Sylvie Tillard*, Fabrice Hollender and FrancoisJullien

09.50 MOWGPR Forward Modelling Applied to Archaeologicaland Engineering Problems,Jos6 M. Carcione*

10.15 M020Recent Advances in the Multifold and 3DExploration of the Aquileia Archaeological Park,Italy,M. Pipan*, I. Finetti, A. Del Ben and F. Ferigo

10.40 AfO27Fragmentation Processes in Geodynamic Systems -Clustering Phenomena,Cristian Sufeanu*, DorelZugrSvescu, Cristian loanaand Florin Munteaunu

11.05 M022The Effect of Micro-Properties on P- and S-WaveAttenuation in Rocks,M. Nabi-Bidhendi* and M.S. King

11.30 M023Shock Tube Experiments on Air-Filled Porous Rocks,C.J. Wisse*, M.E.H. Van Dongen and D.M.J.Smeulders

11.55 M024Non Destructive Control of Non Metallic Pipes UsingDirect Current and Georadar,P. Andrieux *, O. Mart/re, L. Frobert andF. Dubreucq

denotes speaker

Page 18: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

Lecture Room M

Electromagnetics II

Chairman: Ms D.M.B. Chapellier

13.30 M025A Practical Accuracy of the Surface NMRMeasurements,A. V. Legchenko*

13.55 M026The Contact Mode of Polarisation Curve - aTechnique to Evaluate Conducting Mineral Deposits,Cletus Serwanga*, Jean Roy, Oleg Putikov andMartin Hale

14.20 M027Change of a Geoelectrical Section Under Effect ofElastic Fields,B.S.Svetov*,E.L. Ozerkov, V.V. TikshaevandO.A.Ageeva

14.45 M028Physical Modelling Electromagnetic Field inDispersive Media and Criteria of Similarity,Peter V. Novikov*

15.10 M029Electromagnetic Sounding of Frequency DispersiveMedia,B.S. Svetov* and V.V. Ageev

15.35 M030Multipole Arrays in Direct Current Modelling andTwo Case Histories,Patrick Brunei*, Paulin Poussoumandji and PierreAndrieux

16.00 M031Magnetotelluric Tracing of the CarpathianConductivity Anomaly in the Vienna Basin,Liszld Verd*, Andris Madarasi, Wolfgang Seiberland GSza Varga

16.25 M032Distinguishing of Faults and Determination TheirTracing Depth by Electromagnetic Sounding,G.B. Agakuliyev*, K.M. Kerimov, AJ. Manafli andA.A. Abbasova

IX

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THURSDAY 6 JUNE

Seismic ReservoirCharacterization

Chairman: P. G. Kelamis

09.00 X033Strategies for Reconciling Seismic Attributes withWell Data,Christopher H. Skelt*, Mark D. Cann, Donald A.Scott and Charles P. Wood

09.25 X034An Intergrated Methodology Based on 3D SeismicAmplitude Inversion in Support of ReservoirCharacterization,Harold L. Triebwasser*, Charles H. Wagner, Gary C.Robinson, Ming-Ren Hong, James P. Tung

09.50 X035Gas Cap Mapping of a Carbonate Reservoir in theArabian Peninsula,J.J. Lee*, C. Tsingas and P. Lawrence

10.15 X036Seismic Monitoring and Modelling of an EnhancedOil Recovery Project at Cold Lake, Alberta, Canada,A. Vafidis*', E. Kalantzis and E.R. Kanasewich

10.40 X037Monitoring the Production Behaviour of theYibal-Shuaiba Reservoir Using Time-Lapse 3DSeismic Data,E.B.J. Kleiss*, M. Klaassen and E.C.A. Gevers

11.05 X038Abnormal Shear Wave Polarizations as Indicators ofHigh Pressures and Over Pressures,Stuart Crampin*, Sergey V. Zatsepin, Colin Slaterand Leonid Y. Brodov

11.30 X039P-P and P-S Seismic Interpretation of an IncisedValley Sandstone Reservoir,Susan L.M. Miller*, Evsen 6. Aydemir and Gary F.Margrave

11 55 X040The Multi-Component 3D Seismic Survey over theNatih Field in Oman,J.H.H.M Potters*. H.J.J. Groenendaal, S.J. Oatesand CM. van der Kolk

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Lecture Room FORUM

Imaging III

Chairman: J.-P. Diet

13.30 X041P-Wave Anisotropy - Its Practical Estimation andImportance in Processing and Interpretation ofSeismic Data,Ken Lamer*, llya Tsvankin and Tariq A. Alkhalifah

13.55 X042Anisotropy Processing in Vertically InhomogeneousMedia,T.A. Alkhalifah*

14.20 X043Depth Steps for FX Migration,Robert Bloor* and Swavek Deregowski

14.45 X044Accurate Imaging and Positioning of Steep SaltFlanks by Controlled Stacking,DavidKessler*, Luis L. Canales, Chung-Chi ShihandPeter Duncan

15.10 X045Quasi-Monte Carlo Migration of Interpolated 3DSeismic Data,C. Zhou*, G.T. Schuster and B. Smith

15.35 X046Model-Based Anti-Aliased Kirchhoff 3D PSDM,Antonio Pica*

16.00 X0473D Prestack Depth Migration of Land Data,M. Kiehn *, C. Haneveld and B. Lahmeyer

16.25 X048Prestack Split-Step Fourier Depth Migration, MehmetC. Tanis*, Paul L. Stoffa, Mrinal K. Sen and JacobT. Fokkema

Page 21: EXTENDED ABSTRACTS BOOK - GBV · Inverse Sequential Gaussian Simulation Versus Sequential Gaussian Co-Simulation, ... Lecture Room B Data Acquisition: ... Anisotropic Seismic Data

THURSDAY 6 JUNE

Data Processing: Statics

Chairman: J. Pion

09.00 B033Reliably Picking First Breaks with Neural Networks,Douglas I. Hart*

09.25 B034Elimination of Multiples with Neural Networks,Robert Essenreiter*, Sven Treitel and MartinKarrenbach

09.50 B035Residual Statics Estimation by Optimizing aComplexity-Reduced Stacking-Power Function,H. Lydia Deng*, Bin Wang and Keh Pann

10.15 B036Piecewise - Constant Bases Stacking Helps to SolveComplex Statics Problem,E.K. Korolyov*, V.S. Kozirev, V.I. Koroleva andE.M. Voronovicheva

10.40 B037Near Surface Modelling in Saudi Arabia,Arvo V. Buck*', Abdulmohsin Y. Al-Dulaijan, TaisserAl Yacoub and Saeed Al Ghamdi

11.05 B038Detection and Estimation of Shallow VelocityAnomalies for Near-Surface Model Construction inSaudi Arabia,Peter I. Pecholcs *, Alex Litvin, Mark Littman andConstantine Tsingas

11.30 B039F-XY Wavefield De-Aliasing for Acquisition Con-figurations Leading to Coarse Sampling,/. Huard*, S. Medina and S. Spitz

11.55 B040Crooked Line, Rough Topography - AdvancingTowards the Correct Seismic Image,S.H. Gray*, G.I. Maclean and K.J. Marfurt

* denotes speaker

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Lecture Room B

Data Acquisition: Survey Design

Chairman: H. Jakubowicz

13.30 B041Managing the Impact of Seismic Operations onMangrove Areas in the Niger Delta,L.C. Okara*, S.O. Olotu and A.O. Chukwueke

13.55 B042Specifying Source and Receiver PositioningPrecision,Franklyn K. Levin*

14.20 B043Statistical Measures of Subsurface Illumination,Craig J. Beasley*

14.45 B044DM0 Illumination Variations Due to 3D Geometry,Steve Slaw son* and David J. Monk

15.10 B045Target Illumination Modelling for 3D SeismicAcquisition and Processing,Nick Bernitsas * and Charles Sicking

15.35 B046Prediction of Infill Requirements by Simulation of 3DGeometries Using 2D Data,Claude Bordenave*, Jim Martin, Jean-Luc Piazzaand Sotiris Kapotas

16.00 B047Seismic Processing Issues in the Design of 3DSurveys,J.M. Galbraith*

16.25 B048Physical Modelling of Irregularly Sampled Data,£. Alexander Koek *, G. Faber and L. Ongkiehong

XI

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THURSDAY 6 JUNE

Inversion I

Chairman: T. Dahl

09.00 C033Finite-Difference Inversion in Viscoacoustic Media,Emmanuel Causse * and Rune Mittet

09.25 C034Hessian Matrices, Diffraction Tomography andMultiple Suppression,R.G. Pratt* and C.S. Shin

09.50 C035Compensating for the Effects of Fine-Layering onAVA,Kees Wapenaar*, Taco van der Leij, Wim vanGeloven and A art-Jan van Wijngaarden

10.15 C036Structural Monte Carlo Inversion with EstimateDistribution,Tom Houlder*

10.40 C037An Analysis of Tomographic Resolution withBand-Limited Signals,Enrico Prioli*', Claudio Chiaruttini and AlessandroPregarz

11.05 C038The Influence of Wavelets on Seismic InversionResults,Robert Lorenzen, Kim Gunn Maver*, Hans PederHansen and Carlos Meller

11.30 C039Monte Carlo Inversion Algorithms - CharacteristicFeatures and Problems of Interpretation,Dmitry N. Krilov*

11.55 C040Application of the Generalized O'Doherty-AnsteyFormula for Media with Inhomogeneous Statistics,Olaf Knoth*, Thilo Muller and Martin Widmaier

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Lecture Room C

Modelling II

Chairman: G.A. King

13.30 C041Accurate Seismic Visco-Elastic Frequency-Domainfinite Differences Using Rotated Operators,/. Stekl* and R.G. Pratt

13.55 C042Towards Integrated Petrophysical and SeismicModelling,Tor Arne Johansen*, Asmund H. Drottning, HivarGjeystdal and Henning Ho viand

14.20 C043Better Preservation of Seismic Fine Layering Effectsby New Methods for Blocking Log Data, JurgenPrussmann *

14.45 C044Geometrical Modelling of Reflection Interface UsingSeismic Amplitude Data - Initial Results with RealData,Yanghua Wang*, R. Gerhard Pratt and Roy E. White

15.10 C045Two-Point Ray Tracing in 3D Heterogeneous BlockStructures,Petr Bulant* and Ludek KlimeS

15.35 C0463D Wavefronts in Blocky Models by Means ofRecursion,T.J. Moser* and J. Pajchel

16.00 C047Comparison of Five Methods for Computing TravelTimes,Andree Leiden frost*, Norman Enrich and DirkGajew ski

16.25 C048Elastic Wave Equation Modelling on ParallelComputers,J.N. Buur*

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THURSDAY 6 JUNE

Near Surface Seismics andMining

Chairman: L.B. Pedersen

09.00 M033Near Surface 2D and 3D Data Processing - BeyondStack,M. Noble*, B. Marsset, T. Missiaen and W.Versteeg

09.25 M034Seismic Reflection Imaging of Abandoned GypsumMine Workings in Yorkshire,Pavlos Kourkafas and Neil R. Goulty*

09.50 M035Shallow Seismic Reflection in Glacial Sediments -Examples from Europe, North America and Hima-layas,A. Pugin*, C. Signer, S.E. Pullan, G.E. Gorin and W.Wild/

10.15 M036The Interaction of Vibratory Sources with theGround,M. Van der Veen*, J. Brouwer and K. Helbig

10.40 M037A Portable S-Wave Vibrator for High-ResolutionImaging of the Shallow Subsurface,Ranajit Ghose *, Jan Brouwer and Vincent Nijhof

11.05 M038Seismic Imaging of Massive Sulphide Deposits,B. Milkereit*. M. Salisbury, D. W. Eaton and J. Wu

11.30 AI0333D Tomographic Reconstruction of the Layout ofAncient Underground Mining Works,Gualtiero Bohm, Gianni Madrussani*, Gianni Schenaand Aldo Vesnaver

11.55 M040Seismic Inversion for Coal Seam Thicknesses - TestCase from the Belvoir Coalfield, England,Tian Gang and Neil R. Goulty*

* denotes speaker

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Lecture Room M

AVO

Chairman: A.P. Mazzotti

13.30 AT047Comparision of Well Log and Seismic Data for AVOAnalysis,D.J. Foster*, R.G. Keys and D.P. Schmitt

13.55 M042The Effect of Clay on the AVO Response of GasSands,M. Andrea* and M.S. Sams

14.20 M043Comparison of AVO Using Ocean Bottom Seismicand Marine Streamer,C.P. Ross*, J.G. Starr and D.H. Carlson

14.45 M044A Sensitive Combination of AVO Slope and Inter-cept for Hydrocarbon Indication,Wenjie Dong*

15.10 M04SAmplitude Versus Offset Analysis and Examplesfrom South-East Asia,T.C. Redshaw*, S.G. Aluvihare, J. Evans and S.Smith

15.35 M046Converted-Wave AVO and Its Implications,Xiang-Yang Li*, Thomas Kuhnel and Colin MacBeth

16.00 M047Modelbased AVO-lnversion,Lars Senneland*, Helene H. Thorsteinsen and JanOve Hansen

16.25 M048Lithologic Differentiation of a Sand Channel Reser-voir Using VP/VS Values,Robert J. Ferguson* and Robert R. Stewart

XIII

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FRIDAY 7 JUNE

Imaging IV: DMO and CaseStudies

Chairwoman: Ms R. Tatalovic

09.00 X049DMO in Cross-Spread - the Failure of Existing Soft-ware to Handle Amplitudes Correctly,Gijs J. O. Vermeer*

09.25 X050Offset Continuation by DMO and MZO,Alexey Stovas*

09.50 X0512.5D True Amplitude Kirchhoff Migration to ZeroOffset,Martin Tygel*, Jorg Schleicher and Peter Hubral

10.15 X052Generating Functions in Seismic Reflection Imaging- Duality and Kinematic Aspects,Frank Liptow* and Peter Hubral

10.40 X053Geophysical Imaging of Subsalt Geology,Davis W. Rate/iff* and David J. Weber

11.05 X054Iterative 3D Prestack Depth Migration in the NorthSea Central Trough,John Cowley*, Mundy Brink and Kai Hogstad

11.30 X055A New Technique for 3D PreSDM Model Building -a North Sea Case Study,lanF. Jones*, Martin G rims haw, Keith Ibbotson andBrent Jolley

11.55 X056Model Building Using 3D Tomographic Inversion ofMulti-Arrivals - a North Sea Case Study,Pierre Lanfranchi*, Lars Tore Langlo, A tie Aamodtand Patrice Guillaume

XIV

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FRIDAY 7 JUNE

Workstations & DataManagement

Chairman: P.A.F. Christie

09.00 B049Keynote:Parallel Computing - What We Did Right,Dennis E. Willen*

09.25 B0S0Should We Store All Data in Standardized DataStores?,Albertus H. Bril* and Paul F.M. De Groot

09.50 B0S1POSC and the Emerging Business Paradigm,Michael J. Ring *

10.15 B052Exploration Database Case Study - the Migration ofLegacy Systems to PPDM,Colin Gray*

10.40 B053Managing Data and Information in the WorkstationEnvironment - Value or Expense?,Lee W. Ethetton * and Laura Kay Ethetton

11.05 B054A National Geoscience Databank - Experience withthe Norwegian Diskos Facility,Gunnar Sjoegren* and Alan Bays

11.30 B05SNetwork Access to Massive Seismic Datasets,John Kingston* and Gareth Davies

11.55 B056From Seismic Interpretation to 3D Earth Model,D. Segonds *, O. Dubrule and S. Birr ell

denotes speaker

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FRIDAY 7 JUNE

Inversion II

Chairman: B.C. Scheffers

09.00 C049Linearized Target-Oriented Inversion - Application toReal Data,G. Bernasconi*, G. Drufuca and F. Rocca

09.25 C050Prestack Waveform Inversion of the East TexasWoodbine Gas Sands Using a Genetic Algorithm,Subhashis Mallick*

09.50 C057Analysis of the Seismic Response from Thin CalciteCemented Layers,Nils Erik Bakke*. Eilif Tom Ertresvig and Bjern Ursin

10.15 C052Two-Component Prestack Linearized ElasticInversion for Reservoir Characterization,Daniele Mace*, Gisele Etienne, Peter Wijnen andAline Bourgeois

10.40 C053Seismic Character Inversion,

Harry Debeye*

11.05 C0S4A MBTT Approach to Approximate Immersion andBackground Velocity,R.E. Pfessix*, Y.H. De Roeck and G. Chavent

11.30 C055Anisotropic Full Wave Inversion in Crystalline Rock -Images of Lampophyre Dykes,

/. Stekl* and R.G. Pratt

11.55 C0563D Reflection Tomography by Adaptive IrregularGrids,Gualtiero Bohm, Giuliana Rossi* and Aldo Vesnaver

XVI

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FRIDAY 7 JUNE

Gravity & Magnetics

Chairman: A.B. Reid

09.00 M0493D Gravity Inversion with Seismic Constraints Usingthe Subspace Method,M. Mirzaei*, J.W. Bredewout and R.K. Snieder

09.25 M050Integrated Three-Dimensional Density and VelocityModelling Using a Visualization System,Christian H. Henke*

09.50 M051Combined Interpretation of Potential Field-, Petro-p-hysical Data and Topography from Central Norwayand the Continental Shelf,J.R. Skilbrei*. A. Sindre, O. Kihle and S. McEnroe

10.15 M052The MOHO Across Northern Britain - Some Com-parisons of the Seismic and Gravity Data,K.E. Rollin*, R.M. Carruthers, R.A. Chadwick andT.C. Pharaoh

10.40 M053Techniques for Basin Identification on the NorthwestUK - Faroes Continental Margin from Marine andSatellite Gravity Data,M.K. Lee*, I.F. Smith, J.W.F. Edwards and K.E.Rollin

11.05 M054Use of Gravity Model Studies in Seismic Interpre-tation of North Adiyaman Fields in Turkey,Sait Yuksel*

11.30 M0S5Gravity Studies of the Former Soviet Union,J. Derek Fairhead* and E. Makedonsky

11.55 M056Gravity and Magnetics Studies in the Vrancea Zoneof Romania,Dan Stiopol*, Dorina Danchiv, Andrei BSIS andVasile Nacu

* denotes speaker

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FRIDAY 7 JUNE

Borehole & VSP

Chairman: N.R. Goulty

09.00 £049Seismic Imaging of a Fluid Bearing Fracture ZoneUsing Reflection / Transmission Tomography,Benjamin Dyer*, Thomas Wallroth, Paul Jaques andAndrew Jupe

09.25 £050Elastic Reverse Time Migration of Marine WalkAway VSP Data,Ketil Hokstad*, Rune Mittet and Martin Landre

09.50 E051Mapping Faults Crossing Deep Seismic Wave-guidesUsing Surface Source Arrays - a Case Study,P. Jackson*, R.A. Jack and I.M. Mason

10.15 E052Subevaporite Imaging of Gas-Bearing ReservoirUsing Multi-Azimuth Walk Away VSP in theOffshore Nile Delta, Egypt,M. Badri*, S. Colombo and F. Hashem

10.40 E053Anisotropic Migration of Coincident VSP andCrosshole Seismic Reflection Surveys,Peter S. Rowbotham*

11.05 £054Well Tie, Fluid Substitution and AVO Modelling - aNorth Sea Example,Roy E. White*, Rob Simm and Shiyu Xu

11.30 E055Use of Drilling Jar as an Effective Downhole Sourcefor Inverse Vertical Seismic Profiling,Richard Piggin *

11.55 E056The Seismic Shock Gun - a New Source forMulticomponent VSPs,C. MacBeth*, G. Arnold, S. Hughes and C. Prescott

XVIII

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Data Acquisition I

Chairman: R. Marschall

P001Optimization of Land Receiver Array - a Solutionfor Cost Effective 3D Acquisition,P.Y. Granger*, S. Spitz, C. Bordenave, J.-M.Rodriguez and C. Vuillermoz

P002Designing 3-Component 3D Seismic Surveys,Andreas Cordsen* and Don C. Lawton

P003Complex Imaging Utilizing a Split-Spread Marine 3DAcquisition Design,John E. Cramer*, Davis W. Rate/iff and David J.Weber

P004Further Experiments in Geophone Coupling Usingthe Geo-Pinger Technique,Peter W. Maxwell*, Kees Faber and FerdinandWiese

P005Geophone Ground-Coupling Experiments - What DoWe Measure?,B.B. Cremers* and G.G. Drijkoningen

P006Wideband Accelerometer with Decreased NonlinearDistortion,A. V. Ryzhov*, S.A. Fedotov and I.I. Pokrovskaya

P007Reliability Assessment of Positioning for SeismicAcquisition and Processing at Sea,V. Gikas* and P.A. Cross

* denotes speaker

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Anisotropy

Chairman: R. Marschall

P009Layer Stripping Technique for MulticomponentSurface Seismics,Wladimir V. Karsten * and Sergei B. Gorshkalev

P010Post-Migration Lateral Resolution in AnisotropicMedia,D.A. Ebrom", S.A. Markley and J.A. McDonald

P011The Transversal-lsotropic Approximation of ElasticConstants of Anisotropic Medium,A.A. Kulickov* and G.T. Prodayvada

P012Unexpected Shear Wave Behaviour,Steve Home* and Colin MacBeth

P013Perturbation Approach for P-Waves in WeaklyAnisotropic Media,Dirk Gajewski* and Ivan PSendfk

P014Boundary Element Modelling of Scattering ofSeismic Waves by Cracks,Enru Liu*, John A. Hudson, Stuart Crampin, JohnQueen and Bill D. Rizer

P015Information Content of Travel Time Delay betweenSplit Shear Waves in Weakly Anisotropic Media,Ivan Simoes-Filho*, Joao Protizio and Jos6Rosalba

P016Travel Time Approximation in Anisotropic LayeredMedia,V. Singh* and S. Kumar

P026Analytic Description of Reflection Coefficients inAnisotropic Media,Andreas Rueger*

XIX

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Near Surface

Chairman: R. Marschall

P017Application of Different Interpretation Methods forSeismic Refraction Data,Gerd Liebhardt* and Karl-Josef Sandmeier

P018High Resolution Reflection Seismics in QuaternaryBasins - Interpretation and Processing,Claude Signer*, Andre" Pugin, Georges E. Gorinand Walter Wildi

P019Shallow Seismic Acquisition for the Investigationof an Hydrogeological Target, Western Pyrenees -France,Stephanie K/arica* and Herv4 Perroud

P020Seismic Noise Spectra Used to Map Thickness ofSoft Sediments,M. Ibs-von Seht* and J. Wohlenberg

P021Comparison of Seismic Energy Sources,Rudolf K. Fruhwirth* and Rupert Schmoller

P022Field Comparison of Seismic Sources for CoalExploration,6. Zafiropoulos*, C. Tzio/as, D. Dimitrakopoulosand A. Economou

P023Estimation of Aquifer Heterogeneity for FlowModelling,Frank D. Borner* and Andreas Weller

P024Electromagnetic Probing of Permafrost andFrequency Dispersion of Conductivity,Sergey Krylov* and Nikita Bobrov

P025Efficiency of Shallow Seismic Reflection Method inDetection of Shallow Faults,loannis F. Louis* and Vassilios Karastathis

XX

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Interpretation I

Chairman: L. Senneland

P031Shallow 3D Seismic Analysis of Late PleistoceneLowstand Deltas (Mahakam, Indonesia),Jeffrey S. Suiter*

P032Pore Pressure Prediction by Combined Seismic andGeological Inversion Techniques,Arkady G. Madatov*. Hans B. Helle and Mikhail I.Geletukha

P033Integrated Method of Presalt Deposits Exploration,K.Zh. Sydykov* and M. Korostyshevsky

P034Locating an Underground Blowout Using PassiveSurface Seismic Methods,Robert Withers*, Charles Mosher, Dean Gingrichand Douglas Bremner

P035Interpretation of Duplex Structures as PossibleHydrocarbon Traps in the South-Eastern Pyrenees,Albert Casas*, Albert Martinez and Lluis Rivero

P036Seismic Attribute Analysis - a Prestack andPoststack Interpretation Tool,J.W. Gallagher*, M.G. Kumpas and A.C. Kemp

P037The Changes of Seismic Waves Attenuation onOilfield During Exploitation,V.I. Ryjkov*, M.B. Rapoport and V.V. Taranenko

* denotes speaker

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Processing I

Chairman: L. Senneland

P038Creation and Use of Regional 3D Seismic Datasets,J.W. Achterberg*

P039What Higher Order Cumulants May Reveal on theSeismogram,Andrea Weiss * and Sven Treitel

P040Case Study Comparing Multiple AttenuationMethods on a Selection of Datasets,C. Kostov* and H. Ozdemir

P0412D Signal and Noise Decomposition for Sparsely-and Irregularly-Sampled Data,M.A. Schonewille* and A. J.W. Duijndam

P042Reconstruction of Irregular Sampled SeismicSignals in Two Dimensions,C.O.H. Hindriks*, M.A. Schonewille and A.J.W.Duijndam

P187Analyzing and Correcting Seismic Phases Using theWavelet Transform,J.-M. Rodriguez* and S. Mansar

XXI

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Modelling / Inversion I

Chairman: L. Senneland

P043Methodology for Geophysical Systems Discrimina-tion / Evaluation,Florin Munteanu*. Dorel Zugravescu, Cristianloana and Cristian Suteanu

P044Nonlinear Inversion of Geophysical Well Logs -Case Studies from Romania,Bogdan Mihai Niculescu * and Daniela Niculescu

P045New Methods of Reservoir Properties Forecast bySeismic Data,I. P. Ampilov*, E.F. Bezmaternykh and I. P.Dranitsa

P046Transmission of Elastic Waves Through SolidsContaining Small-Scale Heterogeneities,Gerard C. Herman*

P047Nonlinear Inversion of VSP Data for Thick LayeredStratified Transversely-lsotropic Media,G.T. Prodayvoda*, B.S. Krivchenkov, V.V. Koroland M.P. Korolyov

P048Seismic Velocity Structure of the Jan Mayen Rid-ge - Jan Mayen Basin, Obtained by Wide-AngleOBS Data,S. Kodaira*, R. Mjelde, H. Shimamura andK. Gunnarsson

XXII

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Electromagnetics I

Chairman: L. Senneland

P049Combined Schlumberger and Dipole-Dipole Array -2D Approach in Resistivity Interpretation,G. Apostolopoulos*

P050Examples of Resistivity Imaging Using ME-100Resistivity Field Acquisition System,Otakar Pazdirek * and Vlastimil Bla'ha

P051Non-Contact Resistivity Measurements,Igor N. Modin, Dmitry K. Bolshakov, Boris G.Sapognikov and Vladimir A. Shevnin*

P052Some Interpretation Problems of ElectricalSoundings and Profiling,Alfred Frasheri*

P053Effects of Arbitrary Anisotropic Layers on 3DResistivity Measurements,Umesh C. Das * and Ping Li

P0542D Finite Difference Modelling of Diffusion ofElectromagnetic Fields from a Line Source ofCurrent,Yuji Mitsuhata *

denotes speaker

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Processing II

Chairman: J. Fertig

P061A Hexagonal Sampling Grid for 3D Recording andProcessing of 3D Seismic Data,Virgil Bardan *

P062Linear Filtering with Optimization of WeightedNormalized Quadratic Functionals,Yury K. Tyapkin*

P0632D Filtering Using the Wavelet Packet Transform,A.J. Deighan* and D.R. Watts

P064Application of Seismic Signals Spectral Features toSolving Geological Problems,M.B. Shneerson*, R.Z. Chenborisova and A.P.Zhukov

P065Coherence Calculations of Different SeismicAttribute Traces for Fault Interpretation,Piter Scholtz*

P084A Comparative Study of Salt Dome Flanks byAlternative Processing Techniques,A. Berkovitch*, S. Keydar, H.B. Helle and B.Gelchinsky

* denotes speaker

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AVO

Chairman: J. Fertig

P066An Analysis of the Error in ConventionalAVO-lnversion for Laterally Varying Media,A.J.F. de Beer*, A.J.W. Duijndam and J.T.Fokkema

P067Azimuthally Varying AVO Response for FracturedReservoirs,Andreas Rueger* and llya Tsvankin

P069The Comparative Test of AVO and AVD Methodson Gas and Oilfields,M.B. Rapoport*, V.I. Ryjkov and A. Rodriguez

P070AVO Signature of Irregular Boundaries - Effects ofLocal Topographic Highs and Lows,R. McGill*, J. Neuberg, L. Lisapaly and R.A. Clark

P143Analysis and Correction of Seismic TransmissionLosses Due to Thin-Layering in North SeaFormations,Martin Widmaier*, Berge Arntsen, Sergei A.Shapiro and Peter Hubral

XXIII

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Rock Physics I

Chairman: J. Fertig

P071The Effect of Stress on Wave Propagation inAeolian Rotliegend Sandstone,E.G. den Boer*, M.W.P. Dillen, A.J.W. Duijndamand J. T. Fokkema

P072Crack Patterns in Rocks - Anisotropy and FractalAspects,Cristian loana *, Cristian Suteanu, Florin Munteanuand Dorel Zugravescu

P073The Influence of Thermal and Pressure Factor forElastic State of Ukrainian Shield Rocks,I.V. Oristchenko*

P074Laboratory Experiments of Seismic Monitoring,G.M. Goloshubin*, A.M. Verkhovsky and V.V.Kaurov

P075Unexpected Wave in Layered Media with LooselyBonded Interfaces,P.V. Krauklis* and L.A. Krauklis

P083Static and Dynamic Rock Elastic ConstantsCalibration,Lucia Dillon*, Jose Agnelo, Guilherme Vasquezand Albano Bagtos

W I V

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Electromagnetics II

Chairman: J. Fertig

P076Experimental and Theoretical Study of DielectricDispersion in 'Clean' and Clayey Moist Rocks,D.S. Daev* and A.D. Talalov

P077Contribution of Induced Polarization into InductionWell-Logging Data,Felix M. Kamenetsky*

P078Efficiency of IP Method at the Search ofPetroleum Deposits,Albert A. Ryjov*

P079Mapping Geological Structures with Magnetotel-luric Method,Juliusz Miecznik* and Wojciech Klityhski

P080Joint Application of Seismic and ElectricExploration in Depth Investigation of MoscowSyneclise,Arsen K. Suleimanov*, Robert G. Berzin andAlexander N. Timoshin

P081Determination of the Hydrogeological Conditionsof a Salt Massif by Electrical Prospecting,Paul Georgescu*, Corneliu Dinu, Dumitru Ion andVictor Niculescu

P082Application of Electrical Tomography in Ground-water Contamination Studies,Ron Barker*

* .J_.»*. .~ ~ _ ~

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Imaging I

Chairman: J. T. Fokkema

P091Initial Analysis of Stability of Prestack VelocityInversion of Seismic Data,Tianxi Wang*

P0923D Migration Velocity Analysis Using a GeneticAlgorithm,Zhong-Min Song*, Paul Docherty and Satish C.Singh

P0933D Migration Using the Fourier Finite DifferenceMethod,Ian Cockshott* and Helmut Jakubowicz

P094Optimized Operators for Multi-Way Split 3D FourierFinite Difference Migration,Thomas Ruhl* and Dietrich Ristow

P095Representation of the Weight Function in MigrationUsing Kinematic Quantities,Jianguo Sun* and Dirk Gajewski

P096Migration by Multiscale Edge Detection,Frank J. Dessing* and Edo V. Hoekstra

P0973D Shots Regridding,U. Spagnolini*, M. Opreni, S. Opreni and F. Rocca

P098Equivalent Offset Prestack Migration - Applicationto Rugged Topography and Formation ofUnmigrated Zero-Offset Section,Hugh D. Geiger* and John C. Bancroft

P099Prestack Depth Imaging in the Gulf of Mexico - aBenchmark Processing Trial,J6rdme Guilbot, Tom Armstrong, Philippe Julien

* denotes speaker

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Data Acquisition II

Chairman: J. T. Fokkema

P100Regional and Semi-Regional Modelling of ShearWaves in OBS Data from the Varing Basin,Northern Norway - a Comparison,P. Digranes*. R. Mjelde, E.W. Berg and H.Shimamura

P101Decomposition of Seafloor Particle VelocityMeasurements into P- and S-Waves,Are Osen*, Line Storelvmo, Lasse Amundsen andA me Reitan

P102Separating P- and S-Wavefields from SeabedGeophone Recordings,P.E. Harris*

P104Direct Inversion of Air Gun Pressure Measurementsfor the Equation of State of the Bubble Contents,Rodney Johnston* and Anton Ziolkowski

P106A Review of Vibrator Polarity Parameterization forTwo Different Control Systems,C. Sinclair*, M. Egan, R. Has tings-James, D. Reustand Dennis Fyfe

P107High Resolution Vibroseis by Harmonic SweepCorrelation,A. Jardin*, J.C. Dubois and M. Papouin

P108Results from Marine Source Trials Conducted Westof Shetlands,6. Brown*, T. Clark and A. Jones

XXV

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Modelling / Inversion II

Chairman: J. T. Fokkema

P1093D Multivalued Ray-Tracing by WavefrontConstruction,Toshi Chang* and A Us fair L. Downie

P110Application of a Preconditioned 3D NonlinearSeismic Inverse Method to Marine Field Data,G.J.A. Sevink* and G.C. Herman

P111Single Scattering Representation of Elastic WaveReflection and Transmission,F. Moinet* and M. Dietrich

P1123D Geometry of Deep Reflectors from ReflectionTimes Picked on Shot Gathers,F. Pivot* and J.-M. Marthelot

P113Seismic Models of Geological Structures,Ludek KlimeS*

P114Grid Travel Time Tracing - Second-Order Methodfor the First Arrivals,Ludek KlimeS*

P115Acoustic Wave Propagation in a MediumContaining Small-Scale Rigid Cracks,Guus J.H. Muijres* and Gerard C. Herman

XXVI

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Ground Penetrating Radar &Mining

Chairmen: J. T. Fokkema

P1163D Reverse Time Migration of Ground PenetratingRadar Data,Marco A. Barsottelli Botelho* and Rene S.Almeida

P117Modelling of Dielectric Losses and Inverse QImaging of Ground Penetrating Radar Waves,Maksim Bano *

P118Magnetic and VLF Investigations of AndesiteDikes in a Dolomite Quarry,Franjo Sumanovac* and Mladen Lukadevid

P119Separation of the Fundamental Mode fromDispersive In-Seam Multimode Love Waves,Xiao-Ping Li*

P120Finite Element Modelling of Subsidence Caused bySub-Surface Mining - Parameter Up-Scaling,Anisotropy and Robustness,R. van Eijs*, W. Zijl and F. Voncken

* denotes speaker

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Imaging II

Chairman: G. Omnes

P1313D Reflection Tomography and Imaging of RealSeismic Data,6. Bohm, P. Cornell/', G. Madrussani, S. Petersen,G. Rossi and A. Vesnaver*

P132Imaging Time-Lapse Seismic Data Using theReciprocity Principle,M.W.P. Dillen*, A. J.W. Duijndam and J.T.Fokkema

P133Prestack Migration and Velocity Analysis forMode-Converted Waves,Victor Mershchiy*

P134Method of Effective Specular Points,Gennady Ryzhikov* and Marina Biryulina

P135Generation of Pseudo VSP Data from CommonFocus Point Gathers,Riaz Ali'i* and A.J. Berkhout

P136Dip Move Out Processing (DMO) for ConvertedWaves in Transversely Isotropic Media,Bjorn E. Rommel*

P137Cross Gather Data - a New Subject for 3D PrestackWave - Equation Processing,A.L. Pleshkevitch*

P138Imaging Discontinuities with Diffracted SeismicWave fields,H.-J. Hoffmann* and D. Klaschen

P139Macro Model Estimation Using the Common FocusPoint Technology,M.M.N. Kabir* and D.J. Verschuur

* denotes speaker

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P1403D Prestack Preserved Amplitude Migration -Application to a 3D Real Marine Dataset,Philippe Thierry*, Gilles Lambare, Mark Noble andPascal Podvin

P154Sloping Event DMO Amplitude,C.L. Liner*, R. Gobeli and W.D. Underwood

P155Velocity Investigation Based on Well Data for theNetherlands On- and Offshore,Rene Giesen*

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Workstations

Chairman: G. Omnes

PI 41The Integration of Exploration and Production DataUsing a Metamodel,B.C. Scheffers*, A.E. Campbell and J.A.C.Meekes

P142Seismic Trace Compression and Transmission forNorth Sea 3D Survey,P.Y. Galibert*, J.P. Stigant, R.A. Ergas and P.L.Donoho

P156Pitfalls in Compressing Land Seismic Trace Data,Raymond A. Ergas*, Robert S. Polzer, Paul L.Donoho and Pierre-Yves Galibert

XXVIII

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Shear Waves

Chairman: G. Omnes

P144Reflection and Refraction of Anti-Plane ShearWaves at a Plane Boundary Between ViscoelasticAnisotropic Media,Jose M. Carcione*

P145Prestack Depth Migration of Target-Converted PSvWaves,V. De Tomasi*

P146Determining of Elastic Moduli in MultilayeredTransversely Isotropic Media with HorizontalSymmetry Axes,Sergei B. Gorshkalev and Wladimir V. Karsten *

P147Shallow Water SH-Wave Profiling,R. Krone*, C. Guennou, F. Theilen, J. Meunierand W. Rabbel

* denotes SDeaker

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Rock Physics II

Chairman: G. Omnes

P148Prediction of Stresses in Hydrocarbon BearingStructures Using Seismics,Boris P. Sibiriakov*

P149The Effect of Pore Filling Clay on Permeability andAcoustic Velocities,O. Hansen* and R.M. Holt

P150Influence of Pressure on the Elastic Velocities ofPorous Rocks - a Model Study,Erik Spangenberg*

P151Velocity and Attenuation in Sandstones withTemperature - Evidences of the Local Fluid Flow,Guilherme Vasquez, Lucia Dillon, Jose Agnelo andAlbano Bastos

P152Applications of Petrophysical Property of Oil andGas Reservoirs for Exploration and DevelopmentGeology in Albanide,Dashmir Mezini*

P153Petrophysics Investigations of MetamorphosedRocks of the Moravo-Silesian Zone,Miroslav Kobr*

* denotes speaker

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Interpretation II

Chairman: G. Angeleri

P161Possibilities of Identification of Vertical GasMigration Zones Using Seismic Data,Kaja Pietsch *, Maria Bala and Jadwiga Jarzyna

P162Data-Focused Exploration in a Frontier AreaIncluding Ocean Bottom Seismic - a Case Studyfrom the Nyk High in the Voring Basin, Norway,P.-G. Granholm*, D.O. Larsen, B. Terudbakken andK. Willersrud

P163Geostatistical Correlation of Seismic Data fromContinental and Coastal Sequences,A.G. Averbukh*

P164Analysis of a Flat Spot in Mesozoic CarbonateUsing Trace and AVO Modelling,Ernd Takics*

P165Mapping of Oil-Fringe Capacity Parameters of theOzenburg Gas-Condensate Field,G.E. Rudenko*, S.M. Kaznauhov, A.V. Michaltsev,A. V. Ovcharenko and O.A. Potapov

P166A Data Integration Technique for Pore PressureEvaluation and Drilling Prognosis,Eamonn F. Doyle, Sergey V. Wagin*, Arkady G.Madatov and Hans B. Helle

P167A First Approach to Verify Geological Models,Anja Lambrecht*, Dirk Gajewski and Onno Oncken

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Borehole Geophysics

Chairman: G. Angeleri

P1682D and 3D True-Amplitude Elastic Migration ofWell Data,V. Clochard, P. Compte, L. Nicoletis and J.Svay-Lucas *

P169Prognostication of Geological Section at DrillingProcess,M.B. Aliyev*

PI 70High-Frequency Electromagnetic Soundings forBoreholes with Horizontal Completion,A.B. Cheryauka*, M.I. Epov and M.N. Nikitenko

P171Comparison of Fourier and Wavelet Power SpectralAnalysis of Heterogeneities,Xiao-Ping Li*

P172Recovery of Low and High Frequencies in VSPRecords by Analytical Continuation of Spectra,A.A. Tabakov*, A.V. Baev, I.E. Soltan and W.N.Ferentzy,

PI 73Targeting of Injection Boreholes Using InducedMicroearthquake (Microseismic) Imaging,Andrew Jupe*, Robert Jones, Benjamin Dyer andStephen Wilson

P174Reverse VSP with Drill Bit Source in Carbonates,Takeshi Kozawa*, Tetsuro Tsuru and Skip Walden

PI 75Determination of Depth and Dip of Fracture WhileDrilling,A.P. Krauklis* and P.V. Krauklis

* denotes speaker

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Gravity & Magnetics

Chairman: G. Angeleri

PI 76Magnetics Properties of Early Palaeozoic Carbo-nate Rocks in Estonia and Processes CausingTheir Alterations,Alia Shogenova*

P177Express Interpretation of Magnetic Anomalies,Pavel Grishchuk* and Konstantin Gura

P178Magnetic Data Compilations in Eastern Europe,J.D. Fairhead* and J.S. Williams

PI 79The 1:200.000 Scale Areomagnetic Anomaly Mapof Vietnam and Concerned Geological Elements,Tang Muoi*

P180The Accuracy of Aerogeophysical Measurements -Ground Geophysical Data as a Reference,J. Lohva *, M. Kurimo and M. Niskanan

P181The Improved Spectral Method for Determiningthe Depth of Geological Bodies of GeopotentialField Data,S.A. Serkerov* and A.L. Kharitonov

P182Analytic Signal and Gradients Analysis Applied toGravity and Magnetic Modelling,P. Bernard* and N. Debeglia

P183Affine Transformations in the Process of Gravityand Magnetic Interpretation,P. Stavrev*

P184An Interactive 2D and 3D Gravity Modelling Pro-gramme for IBM-Compatible Personal Computers,Albert Casas* and Victor Pinto

P185Interpretation of the Bouguer's Anomaly inVrancea Area with the Aid of Wiener Filter,Dorina Danchiv*, Vasile Nacu, Dan Stiopol andAndrei BSIS

* denotes speaker

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P186A Joint Interpretation of Gravity and Aeromagne-tics for West Anatolia - Turkey,Nihat Akdogan * and Hans Erren

XXXI