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Integrated Stratigraphic Methods (GEO57)

    Description

    This course covers the concepts, methods and applications of modern stratigraphy, with respect to reservoir characterisation, facies model and applied sequence stratigraphy. It will particularly emphasise the integration of different disciplines in order to characterise the sedimentary basins and to reduce the uncertainties. The course is designed to describe and analyse both clastic and carbonate reservoirs, their internal facies architectures, using also case histories and exercises from field analogues. Well-log data and core example, well correlation and applied seismic stratigraphy will support the learning.

    Course Level: Skill / Advanced
    Instructor: Simonetta Cirilli

    Designed for you, if you are...

    • A geologist, geophysicist or reservoir engineer, keen to understand the methodology for applying sequence stratigraphy to correlation, facies analysis and delineation of stratigraphic traps

    How we build your confidence

    • Overview of study principles and methodology
    • Discussions of recent developments and significant applications
    • Case histories that demonstrate the applications and efficacy of stratigraphic and related techniques
    • Application of sequence stratigraphy to carbonate and clastic settings, based on the description of outcrops and core logs that can be used to predict source rock, reservoir and seal distributions within a basin
    • Consideration of the diagenetic processes that affect carbonate and clastic sediments and how the integration of diagenesis and sequence stratigraphy can provide a better way of predicting reservoir quality

    The benefits from attending

    By the end of the course you will feel confident in your understanding of:

    • The concepts and practical applications of sequence stratigraphy for petroleum exploration
    • How to recognise facies assemblages from outcrops and core data and to reconstruct facies architecture
    • The limitations of litho-correlation and the benefits of chrono-correlation and integrated stratigraphic methods
    • Relative sea-level changes and their effect on the distribution of source, reservoirs and seal rocks

    Topics

    • Introduction
      - Applications of modern stratigraphy in hydrocarbon exploration and development
    • Basic concepts of stratigraphy
      - Principles of stratigraphy
      - Walther’s Law
      - Facies belts
    • Facies concept
      - Facies stratigraphy and facies association applied to the hydrocarbon distribution
    • Stratal geometry and stratal terminations
      - Different types of unconformity
      - Correlative conformity
    • Integrated stratigraphic methods
      - Stratigraphic classification, terminology and procedure
      - Litostratigraphy
      - Biostratigraphy
      - Chronostratigraphy
      - Geomagnetic polarity time scale
      - Radiogenic isotope geochronology
      - Chemostratigraphy (carbon, oxygen and strontium isotope stratigraphy)
      - Cyclostratigraphy
      - Other methods
      - Defining chronostratigraphic correlations
    • Basic concepts and terminology of sequence stratigraphy
      - Systems tracts and standardisation of sequence stratigraphy
      - Sequence models
      - Hierarchy of sequences, sequence boundaries and their identification
      - Drowning unconformities (“Type-3 sequence boundaries”) and source rocks
      - Integrates current concepts on interaction of tectonics, sea level and sediment supply
      - Recognition criteria for the identification of depositional sequences and their components in outcrops and cores
      - Application of sequence stratigraphy in siliciclastic and carbonate depositional settings
      - Linking diagenesis to sequence stratigraphy as integrated tool for understanding and predicting reservoir quality distribution
      - Methods of sequence stratigraphic analysis: outcrop, core and well logs data; workflow of sequence stratigraphic analysis


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