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E-150 - From Prospect to Development: an Integrated Approach

E-150 - From Prospect to Development: an Integrated Approach

10 days
GEO/PROSPECT
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Geologists, geophysicists, reservoir engineers.

Level

  • Proficiency
  • This course provides the knowledge and skills required to assess and move forward with field studies, from discovery through appraisal, and on to development, always looking for the best scenario.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • acquire state-of-the-art exploration methodology and workflow for prospect definition and evaluate related probability of success,
  • identify the link between exploration workflow (leading to the discovery well) and field development stages, while evaluating field potential (at each step of the process),
  • acquire practical knowledge of both appraisal and development workflows using a real case study.
Course Content

WEEK 1: BASIN ANALYSIS & PROSPECT GENERATION - FROM PLAY TO LEAD

5 days

  • The participants carry out a mini-project on a real case study:
  • Short basin analysis using a seismic line and well-log data.
  • Potential “play” identification in the basin.
  • Prospect analysis and ranking.

Introduction to petroleum system & basin analysis


  • Basin potential assessment.
  • Regional context. Petroleum trilogy.
  • Play definition.

Risk analysis


  • Geological risk (reservoir, trap, HC conservation), fluid content risk (source rock, maturation, migration, timings).
  • Probability of success. Consequences for economics.

Basin assessment & prospect definition


  • Basin potential assessment:
  • The petroleum trilogy.
  • Traps.
  • Migration versus entrapment timing:
  • Seismic interpretation.
  • Well data interpretation.
  • Cross correlation & integration with seismic data.
  • Prospect definition:
  • OHIP calculation.
  • Uncertainties.
WEEK 2: OIL FIELD DEVELOPMENT - FROM DISCOVERY TO PRODUCTION START 5 days

Introduction to E&P workflow


  • General presentation of the different steps of an oil field development project.
  • Reminder of concepts, tools, methods, necessary data to work with and how to reduce inherent subsurface uncertainties.
  • Illustration through a case history (onshore field, light oil).

Discovery


  • Geological and tectonic context of the field.
  • Seismic interpretation issues.
  • Evaluation of a discovery well. Related uncertainties.
  • Proposals for location and program of the first appraisal well.

Appraisal phase


  • Evolution of subsurface uncertainties (structural maps, OHIP estimations, etc.) with new data from appraisal wells.
  • Updating of the issues after each appraisal well.
  • Definition of data acquisition programs for each well.
  • Data synthesis at the end of the appraisal phase and OHIP estimations.

Engineering studies


  • Estimations of reserves, production profiles through simplified methods and a full field simulation.
  • Estimations of CAPEX, OPEX, technical costs of different development scenarios.
  • Comparison of production forecasts with actual field production history.
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Ways & Means
  • Exercises and case studies on real examples.
  • Group workshop on development case histories.