Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Horizontal, Extended Reach, and Multilateral Drilling - RILS

This is a Remote Instructor Led Series training, all training sessions will be delivered online with no face-to-face classroom attendance.                                                                            

Each day's sessions will be of 4 hrs per day.                                                   

Directional drilling technology is being pushed further with increasingly complex well paths, distant targets, and more difficult drilling environments. This technology is the heart of many unconventional resource plays. It is only with a full appreciation of the scope and limitation of directional techniques will drilling teams achieve success and avoid costly and time consuming mistakes. As existing fields mature and the complexity of new field development increases, the directional driller is no longer alone in determining the wellbore trajectory. An increasingly multidisciplinary team is now involved in each and every well design and placement decision.

By the end of the course the participants should be able to apply the correct surveying techniques and directional placement methods to ensure the safe and accurate placement of complex and ERD wells, whilst making informed choices about the BHA design and selection of steering technology. Participants will learn different methods to deflect and steer wells to the target. Well placement calculations will be covered and attendees will learn to appreciate the importance of collision avoidance and learn the methods used to evaluate these risks. Hole cleaning problems and solutions will be addressed to ensure the participants appreciate the impact that this can have on the success of the well construction process. Several examples and exercises will be worked throughout the course.

Day 1

Directional Drilling Fundamentals

Applications and limitations

Algebra and trigonometry review

Terminology, Positioning and coordinate systems 

Day 2

Survey calculation methods

Anti-collision and trajectory management

Surveying tools

Day 3

MWD, LWD and mudlogging 

Downhole drilling tools and deflection methods

Drilling motors and bit overview

Day 4

Drilling motors and bit overview (Cont…)

BHA design and considerations

Rotary steerable systems

Day 5

Directional well path design

Horizontal well planning and calculations

Day 6

Drill string design

Hole cleaning

Day 7

Multilateral well planning and drilling operations

Day 8

ERD module

Directional drilling problems and solutions    

Learning activity mix

Drilling professionals and support staff who have a need to better understand and apply Directional Drilling concepts in design and operations of directional and multilateral wells.

Directional surveying
Well location calculation methods
Deflection methods
Anti-collision concepts
LWD and mudlogging use in directional drilling
Bottomhole assemblies and drill string tools used in directional drilling
Concepts of torque and drag and shocks and vibrations
Multilateral types
Multilateral planning and proceedures
Directional drilling problems

Participants should have basic drilling engineering and well site operations experience. Prior exposure to directional drilling is recommended, but not required. Participants should also have good mathematic skills, particularly in trigonometry.

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