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Directional, Horizontal & Extended-Reach Drilling
Inside this lesson
- Give the reasons for directional, horizontal, and extended-reach drilling
- Define the well-trajectory vocabulary: kickoff point, build section, build rate (dogleg severity), tangent section, horizontal section
- Explain how mud motors with bent housings and rotary steerable systems steer the bit
- Describe the role of MWD/LWD in downhole survey and why horizontal wells transformed shale plays
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Educational content covering topics typical of an undergraduate petroleum-engineering curriculum. Not a substitute for accredited coursework, and not suitable for real well, reservoir, or field decisions without review by a licensed professional engineer. Well-control content is conceptual awareness only and is not IWCF/IADC training. References to reserves or resource classifications are descriptive context only, not regulatory disclosure or booking guidance.