Subscribe  |  Login  | 
E-426 - Geomechanics for Drilling Operations

E-426 - Geomechanics for Drilling Operations

3 days
FOR/GEOME
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Engineers and supervisors involved in drilling and completion operations.

Level

  • Proficiency
  • This course provides an understanding of geomechanics solutions for mitigating and solving drilling problems.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • acquire the basic knowledge on geomechanics applied to drilling and completion operations,
  • grasp through case studies some important drilling and wellbore issues with regard to geomechanics.
Course Content

SCOPE OF ROCK MECHANICS

0.25 day

  • What is geomechanics? Why geomechanics?
  • Geomechanics applications. Geomechanics limitation.

INTRODUCTION TO ROCK MECHANICS

0.75 day

  • Stress. Strains.
  • Rock failure criteria. Mohr circle application.
  • Effect of pore pressure and temperature on rock failure application.

STRESS DISTRIBUTION AROUND THE WELLBORE: CASE OF COMPACT ROCKS

1 day

  • Stress expression: case on an isotropic and anisotropic stress fields.
  • Effect of pressure in the well and the temperature on the stresses.
  • Different modes of failure.
  • Stability diagram.

PORE & FRACTURATION DETERMINATION

0.5 day

  • Underground stresses. Geostatic pressure.
  • Pore pressure estimation: ratio, equivalent depth, Eaton method.
  • Fracturation pressure estimation: calculation, LOT.

APPLICATION

0.5 day

  • Anisotropy effect on wellbore.
  • Effect of mud weight, bore hole temperature, wellbore trajectory.
Ways & Means
  • Training includes application exercises designed for drilling.