Directional, Horizontal and Sidetrack Drilling
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Directional, Horizontal and Sidetrack Drilling Course
Introduction:
This training course will increase the participants’ understanding of the operations carried out by directional drillers and how directional and horizontal wells are planned and optimized. The basic applications and techniques for multilateral wells will be covered and participants will receive instructions on planning and evaluating horizontal wells based on the objectives of the horizontal well, and how to perform the proper planning for a directional and horizontal well. In addition, this training course will cover how to predict wellbore path based on historical data and determine the requirements to hit the target, and help solve related problems.
Course Objectives:
At overall participants completing this course will be able to:
- Interpret TVD, polar, rectangular coordinates, dogleg severity and the problems associated with it
- Interpret torque and drag and what factors affect those in the drilling process
- Understand main concepts associated to well path planning
- Recommend suitable measures to mitigate operational issues related to directional and horizontal drilling
- Understand main concepts associated to well construction of multilateral wells
Who Should Attend?
This training course is suitable for a wide range of professionals but will greatly benefit:
- Drilling engineer
- Completion engineers
- Completion Supervisors
- Drilling managers
- Drilling technical support personnel
Course Outlines:
Directional Profiles and Other Applications of Directional Drilling
- Directional Drilling Fundamentals and a short history
- Applications and Limitations
- History and applications of Extended Reach Drilling
- Directional Well profiles (2D, 3D, designer wells)
- Survey calculation methods: Tangential, Balanced Tangential,
- Average Angle, Radius of curvature, Minimum Curvature
- Survey calculation exercises
Dogleg, Torque and Drag Calculations
- Factors that affect torque and drag
- Friction Coefficient
- Directional Profile
- String Weight
- Directional Drill String Design
- Conventional directional well
- High Angle or Horizontal Well
- Problems & Case history
Planning Directional and Horizontal Wells including Extended Reach Wells (ERD)
- Determining a directional well plan
- Planning directional well with a single equation
- Planning Horizontal Wells
- Planning ERD
Hole Cleaning Practices in Deviated and Horizontal Wells
- Hole Cleaning Problems Associated With Inclination
- Annular Velocity
- Flow Regime And Viscosity
- Drill Pipe Rotation And Reciprocation
- Multi-lateral wells concepts and application
- Horizontal and Multilateral Drilling Technology
- Methods & applications
- Levels of multilateral wells
- How to perform a multi-lateral well
- New technologies application (Rotary Steerable, Thin Wall motors etc.)
Completion for Horizontal and Multi-lateral Wells
- The difference in production between horizontal and vertical
- The difference in production between horizontal and ERD
- Difference of production between horizontal and multi-lateral
