Oil & Gas Training
and Competency Development

Discipline Geology ,
Exploration
LevelSkill
Duration5 Days
Delivery Mechanism Practical Training with Software
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Mapping the Subsurface with Petrel

The context of this course will take the student through the primary techniques of construction of 2D (two dimensional) maps and sections of the subsurface, including integration well data and key surfaces defining the framework of geologic units in the subsurface as the foundation of subsurface evaluation.  These initial 2D techniques allow the interpreter to display the 3D (three dimensional) relationships of geologic surfaces and any associated faults which are the key to defining the spatial and volumetric aspects of the associated subsurface resource. The geologic surface and fault relationships analyzed in this course will also be linked to the overall aspects of depositional settings and structural styles that are present within global development of geologic terrains.

As part an integrated cross-discipline subsurface evaluation team geologists, geophysicists, petroleum engineers and drillers will utilize the techniques presented in this course to interpret subsurface data and provide geological models that form the basis for development planning and resource optimization.

This course is primarily in two sections. The first section is over 3 days of analysis of traditional 2D mapping techniques. The second section extends the traditional 2D hand drawn techniques into a 2 day presentation of computer mapping processes.

  • Agenda
  • Topics
  • Audience
  • Prerequisites
  • Agenda

    Day 1

    • Introduction
    • Course Objectives, History and Principles of Surface Mapping Across Structural Styles
    • Data Quality Issues and Impacts on Mapping
    • Contouring Rules and Techniques, Manual vs. Computer Processes there Pluses and Minuses
    • Gridding Algorithms and Data-specific Mapping Evaluation: Comparison and Analysis of Gridding Technique results

    Day 2

    • Wellbore Correlation of Vertical and Directional Drilling Data to Subsurface Feature Mapping
    • Hands on Mapping Exercises

    Day 3

    • Fault Surface Mapping and contouring Techniques
    • Rules and Techniques for Integrating Fault and Surface Maps
    • Hands on Mapping Exercises
    • Application of Fault and Surface Mapping Techniques to Structural Styles: Strike-Slip, Growth, Compressional, and Thrust                                 
    • Balanced Cross Sections and Surface Mapping Reconstruction

    Day 4

    • Petrel Mapping Introduction – Computer Hands on
    • Volumetric Calculation from Surface Mapping techniques

    Day 5

    • Final computer contouring techniques
    • Paper Team Exercise in mapping from well correlations, tops, surfaces and fault.
    • Conclusion team presentation of results.
  • Topics

    • Geological concepts, global tectonics of fault and depositional surfaces
    • Planning, gathering and management of geological data
    • Well log correlation
    • Mapping of reservoir parameters and structure
    • Integration of seismic data for horizons and fault surfaces
    • Structural styles, trapping conditions
    • Oil and gas volumetric calculations
    • Fault dimensions
    • Team practical exercises
  • Audience

    • Geologists, petroleum engineers and geophysicists involved with the development of oil and gas reservoirs.
    • Geologists needing knowledge of Correlation and Structural/Stratigraphic mapping techniques.
  • Prerequisites

    A fundamental understanding of geologic concepts

    Petrel software application will be utilized in the course. While it is strongly suggested that you have taken the Introduction to Petrel Class, it is not a requirement. Exercises using specific Petrel modules will be constructed so even the new Petrel user can work through the material

  • Prerequisites

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