Effective Petroleum Systems Analysis

INSTRUCTOR: Robert ‘Bob’ Shoup
DISCIPLINE: Geoscience
COURSE LENGTH (DAYS): 3 Days
CEUS: 2.4
AVAILABILITY: In-House

ATTEND AN UPCOMING CLASS:

WHO SHOULD ATTEND: Prospect generators, property and prospect evaluators, supervisors, managers, bankers, investors and anyone involved in preparing, reviewing, or evaluating subsurface interpretations, prospects, fields and reserves or resources.

COURSE DESCRIPTION: This course is designed to provide geoscientists with an understanding of all the elements of the petroleum system including how to put those elements together to define plays and to find leads and prospects in those plays. Moreover, the class will teach a number of industry best practices that can be used to ensure that the interpreters have made valid maps and interpretations so that they can properly evaluate and risk those prospects.

LEARNING OUTCOMES:

  • Understand the various types of data needed to understand the “Earth Model”
  • Learn how to use the data, as well as geologic models and principals to understand and delineate each element of the petroleum system; source rock, migration pathway, reservoir, trap and seal as well as the linkage between these elements
  • Be able to bring the petroleum system elements together to be able to define plays and to find, evaluate, and risk prospects
  • Generate Common Risk Segment maps to define play fairways
  • Ensure geological and geophysical interpretations are valid and internally consistent, by honoring all the data (including geologic models)
  • Uncertainty and risk assessment in prospect evaluations

COURSE CONTENT:
Day 1 AM

8:00-9:00

  • Introduction:
  • 10 Habits of Highly Successful Oil Finders
  • Logical Thinking On-screen Exercises

9:00-9:30

  • Data Integration:
  • Data Types
  • Data Linkages

9:30-10:00

  • Earth Model and Play Based Exploration

10:00-12:00

  • Log Correlation:
  • Log Correlation Exercise 1
  • Log Correlation Exercise 2
  • Cross Section Exercise 1
  • Cross Section Exercise 2

Day 1 PM

12:45-1:00

  • Complete Cross Section Exercise 2

1:00-2:00

  • Contouring:
  • Contouring Review of Rules & Methods
  • Contouring Exercise

2:00-2:30

  • Tectonic Framework; Rift Basins:
  • Rift Basin Geometries
  • Basement Mapping (Seismic, Gravity – Mag)

2:30-4:30

  • Chumphon Basin Mapping Exercise
  • Task: Map Basement depth for the Chumphon Basin
  • Given: Gravity Map, Geologic Map of the Onshore, Well Location Map and well summaries

4:30-5:00

  • Discussion of Structural Framework Exercise
  • Tectonic Framework; Inversion

Day 2 AM

8:00-8:45

  • Tectonic Framework; Salt Tectonics:
  • Seismic Correlation Exercise 1

8:45-9:30

  • Tectonic Framework; Shale Tectonics
  • Seismic Correlation Exercise 2

9:30-11:30

  • Tectonic Framework; Compressional Tectonics
  • Seismic Correlation Exercise 3
  • Seismic Correlation / Mapping Exercise

11:30-11:45

  • Tectonic Framework; Strike Slip Tectonics

Day 2 PM

12:30-2:00

  • Stratigraphic Framework, Clastics:
  • Intro
  • Delivery Systems (Braided, Meandering, Anastomosing)
  • Meandering River Mapping Exercise

2:30-5:00

  • Stratigraphic Framework, Clastics:
  • Dispersal Systems (Alluvial Fan Deltas, Submarine Fans)
  • Alluvial Fan Mapping Exercise
  • Submarine Fan Interpretation and Mapping Exercise

Day 3 AM

8:00-8:30

  • Carbonate Reservoirs

8:30-9:30

  • The Petroleum System:
  • Source Rock Types
  • Source Rock depositional systems
  • Migration

9:30-10:00

  • Source Rock Exercise
  • Task: Calculate HC expulsion and migration for the Chumphon Basin
  • Given: Previously Constructed Basement Map, Burial History and Heat Curve, Map area of source rock distribution, Source Rock Expulsion Model

10:00-11:00

  • The Petroleum System – Reservoir, Trap, Seal

11:00-12:00

  • Play Definition:
  • Common Risk Segment Mapping
  • Chumphon Common Risk Segment Mapping Exercise

Day 3 PM

1:00-2:00

  • Chumphon Common Risk Segment Mapping Exercise

2:00-4:00

  • Prospect Evaluation, PRMS, Uncertainty, Risk

4:00-4:45

  • Risk Assessment Exercise
  • Task: Evaluate the risk for a prospect
  • Given: Prospect review, COS summary sheets

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