Drilling Engineering

  1. Drill Bits
    1. Bit Classification
      1. Roller Cone Bits
        1. Milled-Tooth Bits
          1. Tooth Geometry
            1. Cutting Action
            2. Tungsten Carbide Insert Bits
              1. Insert Types
                1. Insert Placement
                  1. Wear Resistance
                  2. Bearing Systems
                    1. Sealed Bearing
                      1. Open Bearing
                        1. Journal Bearing
                      2. Fixed Cutter Bits
                        1. Polycrystalline Diamond Compact Bits
                          1. PDC Cutter Technology
                            1. Bit Body Materials
                              1. Hydraulic Design
                              2. Natural Diamond Bits
                                1. Diamond Setting
                                  1. Matrix Body
                                  2. Impregnated Bits
                                    1. Diamond Impregnation
                                      1. Matrix Hardness
                                  3. Bit Selection Criteria
                                    1. Formation Characteristics
                                      1. Rock Strength
                                        1. Abrasiveness Index
                                          1. Drillability
                                          2. Drilling Parameters
                                            1. Weight on Bit Optimization
                                              1. Rotary Speed Selection
                                                1. Torque Requirements
                                                2. Bit Hydraulics
                                                  1. Nozzle Selection
                                                    1. Hydraulic Horsepower
                                                      1. Jet Velocity
                                                        1. Impact Force
                                                      2. IADC Bit Classification System
                                                        1. Code Structure
                                                          1. Formation Type Classification
                                                            1. Bit Type Designation
                                                              1. Size and Connection Codes
                                                              2. Bit Performance Evaluation
                                                                1. Rate of Penetration
                                                                  1. ROP Optimization
                                                                    1. Formation Effects
                                                                    2. Cost Per Foot Analysis
                                                                      1. Bit Cost Factors
                                                                        1. Rig Time Costs
                                                                        2. Bit Wear and Grading
                                                                          1. IADC Dull Grading System
                                                                            1. Cutting Structure Wear
                                                                              1. Bearing Wear
                                                                                1. Gauge Wear
                                                                                2. Bit Failure Analysis
                                                                                  1. Premature Failure Modes
                                                                                    1. Root Cause Analysis

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                                                                                5. The Drill String

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                                                                                7. Drilling Fluids