Drill Bit Design for Drilling Optimization Training

• Hole Geometry Selection
• General Design Procedures
• Size Selection Problems
• Bit and Casing Size Selection
• Bit Planning
• Bit Design
o Tricone and fixed cutter bit selection
o Bit classification
• Bit Hydraulics
• External factors in bit selection
o Rock properties
o Interbedded formations
o Drilling vibrations
• Drilling optimization
o Rate of penetration
o Mechanical specific energy
o Confined compressive strength
• Well Planning
• IADC bit dull grading code
• Bit selection – economics
• Drilling fluids affect on bit performance

Day 1

• Hole geometry selection
• General design procedures
• Bit planning
o Bit cost
o Known parameters
o Formation properties
o Mud systems
o Rig costs

Day 2

• Drill bit design
o Tricone and fixed cutter bit selection
o Bit classification
• Hydraulics
o Total flow area
o Hydraulic horsepower
o Impact force of fluids
• External forces in bit selection
o Rock properties
o Interbedded formations
o Drilling vibrations
o Bottom hole assemblies
o Directional drilling
o Drilling rig equipment/sensors/control systems

Day 3

• Drilling Optimization
o Define concept
o Overview of areas where we do and do not have control over well construction processes
o Identification of key performance indicators
o Real time management of performance
 Case Study
o Software tools/Task analysis
o Workshop using real time data

Day 4

• Well Planning
• IADC Bit Dull Grading Code
o Examples of grading

Day 5

• Bit Selection – Economics
• Drilling fluid selection related to bit performance