Rock Physics, AVO & Seismic Inversion

Service Description

Course Agenda Introduction & Fundamentals •What is Rock Physics? •What is the difference between Rock Physics & Petrophysics? •What are the tools which help Rock Physics for Quantitative Reservoir Characterization? •Seismic Waves (Wave Propagation – Wave fronts & Ray-paths for Isotropic/Anisotropic medium– Wave Types – Basic Seismic Principles & Laws) •Seismic Rock Properties (Elastic Properties – Seismic Properties – Anisotropic Properties) •Seismic Methods (Seismic Reflection & Seismic Refraction) •Seismic Wavelet (Seismic Wave Elements – Wavelet Types) •Seismic data Phase & Polarity Convention •Direct Hydrocarbon Indicators (DHI) •Vertical Resolution, Tuning Thickness & Detectability •Lateral Resolution & Fresnel Zone 2D/3D/4D Conventional vs. Broadband Seismic Data Acquisition, Processing & Interpretation •2D/3D/4D Offshore Conventional & Broadband Seismic data Acquisition •Undershooting & Ocean Bottom Cable (OBC) •NAZ, MAZ, WAZ, RAZ, AAZ & FAZ Surveys •Offshore Geo-Hazard Site Survey & Seabed Imaging •Bore-Hole Seismic & Vertical Seismic Profiling (VSP) •Convolutional Model of the Earth •Seismic Processing Workflow & main concepts •Statistical & Deterministic Wavelet Determination •Wavelet Extraction Sensitivity Analysis •Checkshot (CS) data QC & Velocity Analysis •Well to Seismic Tie (Synthetics) Sensitivity Analysis •Structural & Stratigraphic Interpretation Qualitative/Quantitative Reservoir Characterization •Full Band-Width Conventional Seismic Attributes & DHI Analysis •Complex Trace Attributes •Specific Band-Width Spectral Decomposition Analysis •Red-Green-Blue (RGB) Color-Blending •Spectral Balancing •Multi-Attribute Display •Depth Conversion using different methods, Velocity Models building & Sensitivity Analysis •Statistical & Deterministic Volumetrics / Hydrocarbon-In-Place (HCIIP) estimation •Prospect Evaluation & Chance/Probability of Success (COS/POS) determination •Risked & Recoverable Hydrocarbon-In-Place (HCIIP) estimation AVO, Inversion & Fluid-Lithology Separation •Evolution of AVO •AVO as a Gas Indicator •AVO Modelling / Methodology •Zoeppritz Equation & Approximations •Amplitude Variation with Offset (AVO) Analysis •Fluid Replacement Model (FRM) •Biot-Gassmann, Batzle and Wang Fluid Modeling •Fluid replacement considerations •Rock-Physics Cross Plots & Inversion Feasibility Study •Pre-Stack Inversion Analysis •Post-Stack Inversion Analysis •Elastic Impedance Measurement •Extended Elastic Impedance Measurement •Fluid & lithology