Oil & Gas Training
and Competency Development

Discipline Geophysics ,
Duration5 Days
Delivery Mechanism Classroom with Simulator
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Introduction to Geoscience
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Introduction to Geophysics ; Acquisition, Processing and Interpretation with OilSim

The overall objective is to introduce E&P professionals to the key concepts and principles that form the basis for value added geophysical applications in exploration, field appraisal, and reservoir management. Learning objectives are at basic awareness to knowledge levels. Emphasis is on practical understanding of seismic acquisition, processing, imaging, interpretation and prediction of geological and petrophysical properties from seismic. Data examples, videos, exercises, and workshops are used to illustrate key concepts. Practical issues, and pitfalls as they affect the application of geophysical data and information in E&P workflows. The practical aspects of seismic interpretation are covered with examples that involve seismic structural mapping, stratigraphic analysis, and amplitude/attribute methods. 

OilSim exercises will be used to illustrate the acquisition, processing, and interpretation of both seismic and non-seismic datasets

  • Agenda
  • Topics
  • Audience
  • Prerequisites
  • Agenda

    Day 1


    • Role of Geophysics in the E&P business
    • What do we get from Geophysical Data?
    • Overview of Geophysical techniques 
    • The business of Geophysics -  Industry and competitive landscape
    • Seismic Markets – Equipment, Acquisition, Multiclient
    • Geophysics in Schlumberger

    Non-Seismic Methods

    • Gravity and Aero-Gravity
    • Magnetic and Aeromagnetic
    • Electromagnetic – Controlled Source and Magneto-telluric
    • Use and application of non-seismic technologies
    • Data examples
    • OilSim Exercise – Interpreting Magnetic and Gravity Data

    Seismic Principles

    • The seismic experiment
    • Reflection and refraction
    • The seismic wavelet
    • P and S waves – Snell’s Law
    • Resolution
    • Multifold acquisition
    • Seismic velocities

    Day 2

    Marine Seismic Acquisition

    • Hyperbolic move-out
    • Marine sources – airguns. Bubble effect
    • Simultaneous sources
    • Seismic recording systems
    • Hydrophones and streamers
    • Streamer steering
    • Single sensor and time lapse
    • Seismic acquisition parameters and QC

    Advanced Marine Acquisition Techniques (OPTIONAL)

    • Use of multiple sources and receivers
    • Wide-azimuth
    • Full azimuth Coil acquisition
    • Broadband
    • Ghost attenuation
    • Over-under shooting

    Land Seismic Acquisition

    • Impact of near surface on data quality
    • Land seismic sources - dynamite and Vibroseis
    • Simultaneous sources
    • Acquisition design
    • Geophones and arrays
    • Land seismic operations
    • Land seismic acquisition QC

    Day 3

    Seismic Data Processing  - Data Conditioning

    • Near surface corrections - statics
    • Noise attenuation
    • Multiple attenuation
    • Wavelet shaping and deconvolution
    • NMO Correction
    • Velocities and velocity analysis 

    Day 4

    Seismic Data Imaging

    • Migration – types and application
    • Time and Depth Imaging
    • Velocity Modeling
    • Seismic Illumination

    Borehole Seismic Acquisition and Processing

    • Borehole geophysical principles
    • Field technology – Acquisition Methods
    • Check shots and VSPs
    • Seismic while Drilling
    • Cross well seismic
    • Passive seismic 

    Day 5

    Seismic Data Interpretation

    • Trap definition
    • Collaborative Interpretation – Seismic to Simulation
    • Synthetic seismograms
    • Structural mapping and contouring
    • Seismic and Sequence Stratigraphy
    • Amplitudes and DHI
    • Attributes, AVO & Inversion
    • OilSim Exercise – Interpreting Seismic Data
    • Summary – What concerns us about seismic data

    A History of Innovation 

    • Evolution of the Seismic Business
    • Seismic Service Companies – Seismos to WesternGeco
  • Topics

    Seismic Theory

    Non-Seismic Methods

    Land and Marine Acquisition

    Data Processing and Imaging

    Seismic Interpretation

  • Audience

    Entry level geoscientists, geologists, engineers and other E&P staff who need an overview of seismic / geophysics techniques and applications

  • Prerequisites

    Basic Knowledge of Subsurface Geology

  • Prerequisites

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