• Reasons for directional wells
• Declination And Convergence
• UTM & Grid coordinates
• Factors Affecting Hole Deviation Including Formation And Drillstring Factors.
• Bottomhole assemblies. Placement of stabilisers.
• Survey Reference Points
• Calculations And Wellpath Plotting
• Surveying Tools And Accuracy
• Types Of Directional Wells: types 1,2 and three and calculations.
• Kick Off Points, Build Up And Drop Off Rates
• MWD And LWD
• Drillstring design
• Directional Drilling Techniques: Wellpath Design Calculations, Course Corrections, Tools
• Designing horizontal wells: kick off points, tangent and landing sections
• Long-, Medium-, & Short-Radius Wells; Extended Reach Wells, S-Bend Wells. Multi lateral designs. Joints integrity.
• Complete Well Planning Exercises
• Cluster Wells
• Collision Analysis
• Survey Errors, Quantification Of Error Sources
• Ellipsoid Descriptive Equations
• Spider plots & travelling cylinder
• Drillstring Design: Drill Pipe Selection, Drill Collar Selection
• Buoyancy Factor Method: Procedure For Selecting Drillcollars
• Heavy-Walled Drillpipe (HWDP), Stabilisers, Drilling Jars, Shock Subs
• Drillstring Design Criteria, Dogleg Severity Analysis
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