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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Geological Prospecting Tools for Global Exploration

This hands-on 5-day course utilizes lectures and practical exercises to introduce key concepts of an effective petroleum system with emphasis on  global tectonics and how basins are formed, filled and deformed, and on learning key geologic prospecting tools for exploration. The Atlantic Margin basin is used as an example to discuss the elements of the petroleum system. Clastic rocks are emphasized (especially turbidites) but carbonate rocks and evaporite formation is also reviewed.

Discussions include introduction of key aspects of source rock, migration, overburden rock, reservoir characteristics including porosity, permeability and architecture,  seal rock characteristics, structural and stratigraphic traps, timing and preservation elements.

Prospecting Tools covered in this course include petrophysics for exploration geoscientists , bio- and sequence stratigraphic applications, essential log correlation workflow and log annotation methods, data contouring and mapping, applications of multiple working hypotheses, and utilization of direct hydrocarbon indicators to exploration. Students correlate various logs that illustrate faulted sections and straitigraphic variation, and create contour maps and learn to properly present faults in map view.

Day 1

Objectives and Overview of Module and Course

Five Laws of Geology: Uniformitarianism, Superposition, Original Horizontality, Cross Cutting Relationships, and Walther's Law

Petroleum Systems – components, definitions, and assessment

Basin Formation

Plate Tectonics and the Wilson Cycle

Source Rocks in Conventional and Unconventional Petroleum Systems

Basin Filling – clastics

Carbonates and Dolomitization

Clastic Depositional Models - Fluvial

Day 2

Clastic Depositional Models – Delta and Deepwater Turbidite

Walthers Law

Faulting as migration pathways and/or seals

Review of Fault Types

Hydrocarbon Traps - Good and Bad

Salt Deformation

Review of exploration in Salt Basins

Sutures and Inclusions

Rubble Zones and Imaging below Salt

Day 3

Petrophysics for Exploration

Rock and Fluid Properties

Porosity and Permeability

Pressure and Compaction

Compartmentalization

Tool Applications

Biostratigraphy and Sequence Stratigraphy

Accomodation Space

Stratigraphic Sequences HST, FSST, LST, TST

Carbonate vs Clastic Sequence Stratigraphy

Seismic Sequence Stratigraphy

Day 4

Log Correlation Purpose and Methods

Correlations for Structure

Geological Scenarios for correlation

What to Correlate? Log Headers

Facies Correlation and accounting for Faults

Using Seismic to aid correlation

Day 5

Mapping and Contouring – Definitions and Principles

Creation of various types of contour map

Multiple working hypotheses

Contouring with Faults

Isopach Maps

DHI Concepts for Exploration

Seismic interpretation and Anomolies

Gas Effects and Bright Spots

Prospecting with DHI's

4D Seismic and Electromagnetic Data

Learning activity mix

This course is designed for exploration geoscientists and managers who need a foundational understanding the petroleum systems and key geologic prospecting techniques.

Petroleum systems

Plate tectonics and basin formation

Depositional models

Sedimentology and stratigraphy

Faulting and fault traps

Salt tectonics and exploration in salt basins

Petrophysics for exploration

Correlation - logs and log-seismic

Mapping and contouring

DHI concepts

Knowledge of Basic Petroleum Geology and Petroleum Systems

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