Page 5 - Practical Well Planning and Drilling Manual

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Contents

Preface xi
Acknowledgments xiii
Introduction xv
List of Acronyms xix
Section 1: Well Design 1
1.1. Preliminary Work for the Well Design 3
1.1.1. Planning Process Overview 3
1.1.2. Data Acquisition and Analysis 4
1.2. Well Design: General 17
1.3. Precompletion and Completion Design 21
1.3.1. How the Completion Relates to the Well Design 22
1.3.2. Monobore Completions 25
1.3.3. Multiple String Completions 28
1.3.4. Completion Fluids 29
1.3.5. Brines 30
1.3.6. Points to Check on the Completion Design 34
1.4. Casing Design 37
1.4.1. General Points and Definitions 38
1.4.2. Hole and Casing Sizes: Considerations 41
1.4.3. Hole and Casing Sizes: Selection 42
1.4.4. Pore Pressures and Fracture Gradients 43
1.4.5. Casing Shoe Depth Determination: 51
General Points
1.4.6. Individual Casing Points 54
1.4.7. Mechanical Properties of Steel 57
1.4.8. Safety Factors 60
1.4.9. Factors Affecting Pipe Yield Strengths 63
1.4.10. Methods of Applying Buoyancy Effects 65
1.4.11. Casing Design Criteria: Definitions and 71
Methods of Calculation
1.4.12. Calculating Burst and Collapse Loads, 71
Including Biaxial Effects
1.4.13. Calculating Axial Loads 73

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