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(PART 1,2 & 3)
1. Drilling mechanisms
2. Bit classifications (fixed cutter and roller cone bits)
3. IADC code descriptions
4. Tri-cone bits life time
5. Geometrical analysis of roller cone bits
• Fundamentals of bit design
• Basics of cone geometry design
• Oversize angle
• Offset
• Teeth and inserts
• Additional design criteria: tooth to tooth and groove clearances and etc.
• Cone-shell thickness
• Bearings factors
• Rock bit metallurgy
• Heat treatment
• Legs and cones material
• Tungsten carbide materials
• Legs and cones hard facing
• Tungsten carbide grade selection for inserts
• Bearings, seals and lubrication
• Bearing shape
• Bearing precisions and geometry
• Seal systems and seal details
• Dull grading system
6. Geometrical analysis of PDC bits
• PDC materials and constructions
• Matrix materials testing
• Differs between matrix & steel body
• Matrix body bits manufacturing
• Steel body bits manufacturing
• PDC bit design parameters: mechanical, hydraulic, rock properties
• Weld strength of PDC bits and cutters
• PDC cutter manufacturing process
• Tsp cutter properties vs PDC
• The influences of bit profile and profile elements
• PDC forces
• PDC bit stability
• PDC bit steer-ability
• Back rake
• Side rake
• Depth of cut
• Cutter exposure
• Cutter density
• Thermal damage and degradation of cutters
• Cutting mechanics
• PDC cutter substrate and its thickness
• Cutting structure elements
• Single set bladed cutting structures
• Plural set bladed cutting structures
• Dull grading system
7. ROP management based on drilling parameters
• WOB
• Rpm
• Sold content of mud
• Mud weight
• Cutter shape
• Cutters geometry
• Depth
• Abnormal pressure
• Drilling formation properties
(PART 1,2 & 3) 1. Drilling mechanisms 2. Bit classifications (fixed cutter and roller cone bits) 3. IADC code descriptions 4. Tri-cone bits life time 5. Geometrical analysis of roller cone bits • Fundamentals of bit design • Basics of cone geometry design • Oversize angle • Offset • Teeth and inserts • Additional design criteria: tooth to tooth and groove clearances and etc. • Cone-shell thickness • Bearings factors • Rock bit metallurgy • Heat treatment • Legs and cones material • Tungsten carbide materials • Legs and cones hard facing • Tungsten carbide grade selection for inserts • Bearings, seals and lubrication • Bearing shape • Bearing precisions and geometry • Seal systems and seal details • Dull grading system 6. Geometrical analysis of PDC bits • PDC materials and constructions • Matrix materials testing • Differs between matrix & steel body • Matrix body bits manufacturing • Steel body bits manufacturing • PDC bit design parameters: mechanical, hydraulic, rock properties • Weld strength of PDC bits and cutters • PDC cutter manufacturing process • Tsp cutter properties vs PDC • The influences of bit profile and profile elements • PDC forces • PDC bit stability • PDC bit steer-ability • Back rake • Side rake • Depth of cut • Cutter exposure • Cutter density • Thermal damage and degradation of cutters • Cutting mechanics • PDC cutter substrate and its thickness • Cutting structure elements • Single set bladed cutting structures • Plural set bladed cutting structures • Dull grading system 7. ROP management based on drilling parameters • WOB • Rpm • Sold content of mud • Mud weight • Cutter shape • Cutters geometry • Depth • Abnormal pressure • Drilling formation properties
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