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Introduction to Seismic Interpretation (GPH02)

    Description

    Seismic interpretation makes it possible to extract subsurface geologic information from 2 and 3 dimensional seismic data sets. It is a key enabler of many exploration but also reservoir characterisation activities. This course is designed to provide an introduction to seismic interpretation as it is applied in the industry.
    The course provides an understanding of the fundamentals of modern seismic acquisition and processing steps needed to prepare seismic interpretation databases. Seismic interpretation techniques in various structural and stratigraphic settings will be discussed, using a large number of examples and hands-on paper interpretation. One focus will be to link seismic information, which is usually in time domain, to the depth domain. Another objective will be to learn about seismic attributes and how to incorporate these in advanced interpretation. Finally, not all seismic features are related to geology, hence a critical task covered will be to distinguish useful data from artefacts.

    Course Level: Basic
    Instructor: Wilfried Gruber

    Designed for you, if you are...

    • A geologist, geophysicist or petroleum engineer seeking to gain an understanding and practical knowledge in the seismic interpretation process

    This course provides a thorough introduction and covers all aspects, from the basis of the seismic method right through to the application of seismic attributes.

    How we build your confidence

    • Hands-on practical examples are the main focus in order for you to gain interpretation skills.
    • At the same time basics required to separate useful features from artefacts are communicated.
    • You will learn how to link well data and seismic information, correlate 2D lines, identify horizons and faults and select basic rock properties to transfer results from time to depth domain. Relationships between paper mapping exercises and workstation practices will be demonstrated.

    The benefits from attending

    At the end of the course you will have a good understanding of the possibilities, potential outcomes but also pitfalls and limitations of seismic data. With that foundation you will feel confident to:

    • Better comprehend the potential of seismic data in terms of interpretation value
    • Better interact with experts in the fields of seismic acquisition, processing and interpretation
    • Place and value seismic activities in a multi-disciplinary context
    • Judge the merits of various geophysical techniques
    • Recognise artefacts and direct hydrocarbon indications on seismic
    • Assess new developments such as time lapse seismic for exploration/petroleum development purposes

    Topics

    • Acquisition of 2D and 3D land and marine seismic data and key survey requirements necessary to achieve project objectives
    • Fundamentals of signal theory and wave propagation in the subsurface
    • Essentials of data processing including datum and statics corrections, velocity analyses, migration and depth imaging
    • Resolution and limitations of seismic data
    • VSP, check-shots and seismic to well ties
    • Seismic interpretation concepts and workflows
    • How to identify key horizons and faults
    • Interpreting seismic data: from 2D correlation to geobody extraction
    • Seismic attributes and their application in structural and stratigraphic interpretation
    • Time-depth conversion methods and applications
    • The use of seismic interpretation results for structure definition and reservoir characterisation


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