Discipline Drilling Engineering ,
Geomechanics
LevelAdvanced
Duration5 Days
Delivery Mechanism Classroom
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Advanced Petroleum Geomechanics

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This course builds on the NExT Fundamentals of Petroleum Geomechanics course and starts to investigate geomechanics beyond simple elastic, isotropic behaviour. After a brief review of fundamental concepts, earth stresses and the Mechanical Earth Model, the course looks at the impact of reversible and non-reversible geomechanical behaviour on drilling, stimulation, sand production and injection looking specifically at thermal, depletion and compaction effects. The course then investigates anisotropy, its nature and effect on geomechanics, and its significance and influence on well construction and field development. The course also covers salt, introducing the mechanics of salt, short term and long term behaviour, as well as the impact on drilling both sub-salt and pre-salt.

At the end of this course participants will recognize the differences and significance of reversible and non-reversible in petroleum applications of geomechanics both in the wellbore and reservoir. They will under-stand the importance of anisotropic behaviour in rocks, know the methods used to measure anisotropy and the effect on well construction and field development. They will also be know about the short and long term mechanical behaviour of salt, the effect of salt on the local stress state and what needs to be considered when developing fields either created by or accessed through salt.

  • Agenda
  • Topics
  • Audience
  • Prerequisites
  • Agenda

    Day 1

    Introductions and the business of petroleum geomechanics

    • Review of fundamentals
    • Mechanical Earth Model 

    Day 2

    Anisotropy

    • Fundamentals
    • Mechanical properties
    • Wellbore applications
    • Effects on stress
    • Laboratory  measurements

    Day 3

    Reservoir geomechanics

    • Compaction
    • Thermal
    • Depletion effects
    • Well integrity
    • Plasticity

    Day 4

    Salt

    • Mechanics
    • Stress
    • Wellbore stability

    Drilling topics

    • Bits
    • Fluids
    • Lost circulation
    • Leakoff tests
    • Wellbore strengthening

    Day 5

    Sonic logging and other measurements for geomechanics

    Fractures, faults and earthquakes

    Summary and wrap-up

  • Topics

    a) An understanding of the importance of reversible and non reversible behaviour of rocks for well construction and field development.

    b) The significance of anisotropic behaviour of rocks when considering mechanical properties and stress

    c) The challenges of salt to drilling and field development and how to deal with them

  • Audience

    Geologists, geophysicists, geomechanics engineers, drilling engineers, production engineers, completion engineers, reservoir engineers, exploration supervisors and managers concerned with the geomechanics challenges of field development.

  • Prerequisites

    Completion of Fundamentals of Petroleum Geomechanics or a strong understanding of Geomechanics fundamentals is recommended

  • Prerequisites

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