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    Class and Course
    1. NExT
    2. Petrotechnical
    3. Introduction to Subsurface Mapping

    Introduction to Subsurface Mapping

    • Foundation
    • 5 Days
    • classroom1Classroom
      • Average client rating (based on 42 attendee reviews)

    Business context: A profitable development of an oil or gas field starts with a good understanding of the subsurface. As part of a subsurface evaluation team the geophysicists and geologists interpret subsurface data and provide geological models that form the basis for development planning. Construction of maps and sections of the subsurface, including integration of seismic and well data, forms an important part of the evaluation. The result should also provide illustration material on which management should be able to make decisions. Computers are frequently used to construct subsurface models and calculate reserves. A check for consistency with structural models, and against a quick manual evaluation should always be done. This course provides the tools for this.

    At the end of the course participants will be able to apply geological concepts, construct maps and sections and validate computer-generated interpretations. They will be able to calculate subsurface volumes and assess their uncertainties. They will develop knowledge on faults dimensions and properties and learn how to perform fault seal analysis. They will acquire practical experience by working on actual field studies in teams.

    In addition to the ones quoted in the course schedule dedicated exercises may be added to ensure participants understand the concepts discussed.
    Day 1

    Exploration and Production (E&P) development projects, Basin analysis

    Introduction of participants and trainer, course objectives

    Activities in E&P, the project life cycle

    The role of subsurface maps and models in E&P projects

    Concepts of petroleum geology, structural regimes

    • Hydrocarbon basins/plays

    • Plate tectonics, structural regimes

    • Sedimentary cycles and sequences

    • Sedimentary environments overview

    • Origin of hydrocarbons, source-rocks and maturity

    • Hydrocarbon traps, spill-points

    • Hydrocarbon basins, basin analysis

    Day 2

    Seismic and reservoir property data

    • Seismic data gathering, processing and interpretation
    • Exercise: Interpretation seismic line France
    • Robin Field Exercise: Field reserves and appraisal
    • Reservoir properties, data gathering and mapping
    • Exercises: porosity and thickness maps
    Day 3

    Structural styles, maps and sections

    • Robin Field Exercise: Correlation
    • Structural styles, stresses and pressures
    • Three exercises: structural interpretation of seismic, Nigeria, France and the North Sea
    • Robin Field Exercise: Structural map and section
    Day 4

    Volumetric calculations

    • Robin Field Exercise: Integration of pressure data
    • Volumetric calculations, subsurface uncertainties
    • Tulip Field Exercise: Net sand map and volumetrics
    • Robin Field Exercise : Field volumetric calculations
    Day 5

    Faults, fault seals and rift basins

    • Faults, fault constructions and fault sealing
    • Exercise : Dipmeter interpretation.
    • Robin Field Exercise : Subsurface development
    • Lacustrine basins, field examples.
    • Course review and round-up

    Geologists, petroleum engineers and geophysicists involved with the development of oil and gas reservoirs.

    Geologists needing knowledge of Correlation and Structural/Stratigraphic mapping

    * Geological concepts, global tectonics

    * Geophysical methods, production seismic

    * Hydrocarbon basin mapping and analysis

    * Planning, gathering and management of geological data

    * Well log correlation

    * Mapping of reservoir parameters and structure, integration of seismic data

    * Structural styles, trapping conditions

    * Subsurface stresses and pressures

    * Reservoir architecture, geological modeling

    * Oil and gas volumetric calculations

    * Fault dimensions, properties and sealing capacity

    * Case histories

     

    Basic Applied Petroleum Geology

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