• Class and Course

    Introduction to Geoscience

    The objective of this 5-day course is to introduce professionals from disciplines other than the Geosciences to the key concepts and principles of Geology, Geophysics, and Petrophysics as applied to the Oil & Gas industry today. Emphasis is placed on the business applications of the particular discipline, using case histories and examples/exercises as appropriate.

    This course is a condensed version of three popular NExT courses:

    Introduction to Geology

    Introduction to Geophysics

    Introduction to Petrophysics

    Many of the same topics are covered, but in less detail, and with more emphasis on the links between the three disciplines. This is a good introductory-level course to the Geoscience disciplines, and will give a good working knowledge of the techniques and applications that are commonly applied.


    Day 1


    Introduction : The Reservoir Lifecycle - Exploration - History of Petroleum - World Energy, Reserves & Economics.

    Geology in General : Geological principles - Earth structure and plate tectonics - Geological time - Major rock types.

    The Petroleum System : Elements - Processes of hydrocarbon generation - Source and reservoir rocks - Traps and seals, definition & types - Timing - components of a prospect

    Depositional Systems : Sedimentary rock types - Clastic systems (eolian, fluvial, deltaic, marine) - Carbonate systems (reefs, platforms, ramps) - Differences and recovery efficiency

    Structural Geology : Structural style and stress fields - Folds and faults - Unconformities and Salt - Fracture systems.

    (Exercises, Case Histories, and videos as applicable)

    Day 2


    Pore Systems : Characterizing the pore system - Clastic and Carbonate porosity and permeability - Diagenesis - Clay types and distributions.

    Geological Mapping and Correlation : Geological maps - Contouring concepts - Structural and stratigraphic cross-sections - Correlation - Mapping terminology

    Geological Modeling : Building a static reservoir model - Input datatypes - Reservoir heterogeneity and scale - Modeling Techniques - Using Seismic Data in Modeling

    Unconventional Resources : Shale as a source - Unconventional Gas and Oil - History, Definitions, Economics

    The Business of Geology : Exploration programs - The petroleum play - Reserves and risk - Development economics

    (Exercises, Case Histories, and videos as applicable)

    Day 3


    Introduction : Seismic industry and market - Geophysical methods - Influence of seismic on reservoir value - What concerns us about seismic

    Basic Principles : The seismic method - Seismic records (shot, gather, stack) - Acquisition & processing - Seismic waves and velocities

    Marine Seismic Acquisition : Marine acquisition equipment - Sources and receivers - Steering and positioning - Ocean-bottom seismic

    Land Seismic Acquisition : Land acquisition equipment - Sources and receivers - Land survey planning - New technologies

    Data Processing and Imaging : Signal and noise - Multiples and regularization - Velocity modeling - Imaging and migration

    (Exercises, Case Histories and videos as applicable)

    Day 4


    Seismic Interpretation : 2D versus 3D - Structure and faults - Mapping and stratigraphy - Time-lapse seismic (4D) - Seismic attributes and uses

    Borehole Seismic : Concept & acquisition - VSP methods - Merging with surface seismic - Correlating with wireline logs

    Life of Field Seismic : Contribution to improved recovery - Exploration, Appraisal, Production examples - Reservoir management

    Seismic Proof of Value : Case Histories


    Introduction : History - Modern logging - Key determinations

    Basics of Logging : The wireline method - Resolution - Tool conveyance methods - Logging while drilling

    Logging Tools and Measurements : Lithology tools - Resistivity tools - Porosity tools

    (Exercises, case histories, and videos as applicable)

    Day 5


    Reservoir Parameters : Lithology - Porosity and permeability - Resistivity and invasion - Shale volume and effect

    Log Interpretation : Interpretation workflow - Determination of reservoir interval - Shale corrections - Calculation of porosity and fluid saturation - Crossplot methods

    Mud Logging : Logging equipment & principle - Cuttings sample description - The mud log - Pore pressure and "d" exponent

    Coring and Core Analysis : Coring methods (whole and sidewall) - Wellsite core handling - Standard Core analysis - Core-log integration

    Geomechanics : Impact in the oilfield lifecycle - Mechanical earth model - Wellbore stability and fracturing

    (Exercises, Case Histories and videos as applicable)

    Business professionals in the Oil & Gas Industry, who wish to understand the principles of the main Geoscience disciplines, and their applications in todays E&P industry. The course is also appropriate for junior levels in non-geoscience disciplines.

    Day One - Geology

    Day Two - Geology

    Day Three - Geophysics

    Day Four - Geophysics and Petrophysics

    Day Five - Geophysics and Petrophysics


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