• Class and Course

    Geomechanics for Drilling Engineers - (Remote Instructor-Led Series)

    Participants in this course will learn about the fundamentals of Geomechanics and the role Geomechanics plays in well planning and operations.  This course will cover the stress tensor, experimental rock mechanics, principal earth stresses, and the origins of pore pressure (including methods for measurement of pore pressure).  Other topics that will be covered in this course include the concept and construction of Mechanical Earth Models (MEM), wellbore geomechanics, modes of rock deformation, and wellbore deformation.

    This course will use lectures and case studies to help participants amplify their learning and skills gained throughout this course. Participants will learn from experts in the Geomechanics field about how to plan for wellbore stability, implement geomechanics solutions while drilling, and the concepts of wellbore strengthening.

    DAY 1: Fundamentals of Rock Mechanics, Stress Tensor, and Earth Stress

    The course will begin with an introduction to the fundamental aspect of rock mechanics including rock lab testing, and a review of the results that have been published in industry papers.  Participants will then learn about the stress tensor, constructing Mohr's Circle and analyzing stress, and elastic properties, effective stress, and other rock mechanic fundamentals. Lastly the attendees will learn about principal earth stresses, the world stress map, Andersonian classification of faults, overburden stress, and horizontal stresses.

    DAY 2: Pore Pressure & Fracture Gradient

    The second day will begin with participants examining the detailed origins of pore pressure, measurement methods, estimation methods, vertical and horizontal methods, Eaton’s method, and a real-time pore pressure approach.

    After that, the participants will learn about different equations to compute fracture gradients and leak-off tests interpretations.

    DAY 3: Mechanical Earth Model, Wellbore Geomechanics, and Wellbore Stability

    On the third day participants will focus primarily on the Mechanical Earth Model (MEM), wellbore geomechanics, and wellbore stability issues.  This day will begin with participants reviewing the concepts and construction of the MEM, including detailed data requirements and required input data types.  With a working MEM, the participant will then learn how to manage wellbore geomechanics and the state of stress in and around the wellbore. Modes of rock deformation in the wellbore, the effects of well azimuth, and inclination will also be covered.  Participants will also learn about basic geomechanics calculations.  The day will end with participants reviewing wellbore deformation in fractured rock masses and non-classical rock failures.

    DAY 4 and 5: Drilling Geomechanics

    On day four participants will learn about downhole drilling geomechanics with particular emphasis being placed on planning for wellbore stability and integration of geomechanics into the drilling plan.  Participants will then investigate the intricacies of implementing real-time geomechanics while drilling.  Participants will also look at how geomechanics is used to provide well-bore strengthening in order to avoid mud losses in depleted formations.

    This course is intended to benefit drilling personnel, such as drilling engineers and operations and planning engineers, involved in the planning of well operations.

    Stress tensor, rock mechanical properties, pore pressure, earth stresses, mechanical earth model (MEM), wellbore stability, wellbore deformation, rock failure

    Participants should have a basic knowledge of drilling, as well as an awareness of well planning and well programming.

    Currently there are no scheduled classes for this course.

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