Preface xiii
Acknowledgements xv
Summary xvii
1 Introduction 1
1.1 Introduction 1
1.2 Introduction to Drilling Engineering 1
1.3 Importance of Drilling Engineering 2
1.4 Application of Drilling Engineering 2
1.5 Multiple Choice Questions 3
1.6 Summary 9
1.7 MCQs (Self-Practices) 9
2 Drilling Methods 15
2.1 Introduction 15
2.2 Different Mathematical Formulas and Examples 15
2.2.1 Power System 15
2.2.2 Hoisting System 24
2.2.3 Circulation System 39
2.3 Multiple Choice Questions 48
2.4 Summary 54
2.5 Exercise and MCQs for Practice 55
2.5.1 Exercises (Solutions are in Appendix A) 55
2.5.2 Exercises (Self-Practices) 57
2.5.3 MCQs (Self-Practices) 59
2.6 Nomenclature 64
3 Drilling Fluids 65
3.1 Introduction 65
3.2 Different Mathematical Formulas and Examples 65
3.2.1 Solid Control 65
3.2.2 Mud Density 70
3.2.3 Mud Viscosity 71
3.2.3.1 Measurement of Mud Viscosity 74
3.2.4 pH Determination 79
3.2.5 Determination of Liquid and Solids Content 80
3.2.6 New Drilling Mud Calculations 81
3.2.7 Design of Mud Weight 83
3.3 Multiple Choice Questions 92
3.4 Summary 97
3.5 Exercise and MCQs for Practice 98
3.5.1 Exercises (Solutions are in Appendix A) 98
3.5.2 Exercises (Self-Practices) 99
3.5.3 MCQs (Self-Practices) 101
3.6 Nomenclature 106
4 Drilling Hydraulics 109
4.1 Introduction 109
4.2 Different Mathematical Formulas and Examples 109
4.2.1 Newtonian Fluid 109
4.2.2 Non-Newtonian Fluid 111
4.2.3 Turbulent Flow 122
4.2.4 Transitional Flow 124
4.2.5 Hydrostatic Pressure Calculation 126
4.2.6 Fluid Flow through Pipes 132
4.2.7 Fluid Flow through Drill Bits 135
4.2.8 Pressure Loss Calculation of the Rig System 137
4.3 Multiple Choice Questions 147
4.4 Summary 152
4.5 Exercise and MCQs for Practice 153
4.5.1 Exercises (Solutions are in Appendix A) 153
4.5.2 Exercises (Self-Practices) 155
4.5.3 MCQs (Self-Practices) 157
4.6 Nomenclature 162
5 Well Control and Monitoring Program 165
5.1 Introduction 165
5.2 Different Mathematical Formulas and Examples 165
5.2.1 Control of Influx and Kill Mud 165
5.2.2 Type of Influx and Gradient Calculation 169
5.2.3 Kill Mud Weight Calculation 170
5.2.4 Kick Analysis 175
5.2.5 Shut-in Surface Pressure 194
5.3 Multiple Choice Questions 199
5.4 Summary 204
5.5 Exercise and MCQs for Practice 205
5.5.1 Exercises (Solutions are in Appendix A) 205
5.5.2 Exercises (Self-Practices) 206
5.5.3 MCQs (Self-Practices) 208
5.6 Nomenclature 213
6 Formation Pore and Fractures Pressure Estimation 215
6.1 Introduction 215
6.2 Different Mathematical Formulas and Examples 215
6.2.1 Underground Stresses 215
6.2.2 Formation Pressure 216
6.2.3 Pore Pressure Estimation 234
6.2.4 Methods for Estimating Fracture Pressure 247
6.3 Multiple Choice Questions 259
6.4 Summary 265
6.5 Exercise and MCQs for Practice 265
6.5.1 Exercises (Solutions are in Appendix A) 265
6.5.2 Exercises (Self-Practices) 267
6.5.3 MCQs (Self-Practices) 269
6.6 Nomenclature 274
7 Basics of Drillstring Design 277
7.1 Introduction 277
7.2 Different Mathematical Formulas and Examples 278
7.2.1 Drillstring Design 278
7.2.2 Bit Design 308
7.2.3 Drilling Optimization Techniques 309
7.2.4 Rate of Penetration Modeling 315
7.3 Multiple Choice Questions 323
7.4 Summary 328
7.5 Exercise and MCQs for Practice 328
7.5.1 Exercises (Solutions are in Appendix A) 328
7.5.2 Exercise (Self-Practices) 329
7.5.3 MCQs (Self-Practices) 331
7.6 Nomenclature 336
8 Casing Design 339
8.1 Introduction 339
8.2 Different Mathematical Formulas and Examples 339
8.2.1 Casing Design Process 339
8.2.2 Calculation of Magnitude of Design Properties 345
8.3 Multiple Choice Questions 370
8.4 Summary 375
8.5 Exercise and MCQs for Practice 375
8.5.1 Exercises (Solutions are in Appendix A) 375
8.5.2 Exercise (Self Practices) 377
8.5.3 MCQs (Self-Practices) 378
8.6 Nomenclature 383
9 Cementing 385
9.1 Introduction 385
9.2 Different Mathematical Formulas and Examples 385
9.2.1 Cement Properties 385
9.2.2 Cement Volume Calculation 393
9.3 Multiple Choice Questions 410
9.4 Summary 415
9.5 Exercise and MCQs for Practice 416
9.5.1 Exercises (Solutions are in Appendix A) 416
9.5.2 Exercise (Self-Practices) 418
9.5.3 MCQs (Self-Practices) 419
9.6 Nomenclature 423
10 Horizontal and Directional Drilling 425
10.1 Introduction 425
10.2 Different Mathematical Formulas and Examples 425
10.2.1 Horizontal Departure 425
10.2.2 Buckling Models in Coiled Tubing 430
10.2.3 Directional Patterns 434
10.2.4 Principles of Surveying 439
10.2.5 Survey Calculations and Plotting Results 444
10.3 Multiple Choice Questions 461
10.4 Summary 466
10.5 Exercise and MCQs for Practice 467
10.5.1 Exercises (Solutions are in Appendix A) 467
10.5.2 Exercise 469
10.5.3 MCQs (Self-Practices) 471
10.6 Nomenclature 475
11 Well Drilling Costs Analysis 477
11.1 Introduction 477
11.2 Different Mathematical Formulas and Examples 477
11.2.1 Authorization for Expenditure 477
11.2.2 Drilling Cost Estimation 481
11.2.3 Well Drilling Time Estimation 486
11.2.4 Future Value Estimation 496
11.2.5 Price Elasticity 499
11.3 Multiple Choice Questions 516
11.4 Summary 519
11.5 Exercise and MCQs for Practice 520
11.5.1 Exercises (Solutions are in Appendix A) 520
11.5.2 Exercise 522
11.5.3 MCQs (Self Practices) 527
11.6 Nomenclature 529
12 Well Completion 531
12.1 Introduction 531
12.2 Multiple Choice Questions 532
12.3 Summary 538
13 Additional Workout Examples 539
13.1 Introduction 539
13.2 Drilling Fluids 539
13.2 Drilling Hydraulics 544
13.3 Well Control 549
13.4 Pore and Fracture Pressure Estimation 554
13.5 Drillstring Design 556
13.6 Casing Design 561
13.7 Cementing 563
13.8 Horizontal and Directional Drilling 565
13.9 Cost Analysis 569
Appendix A: (Solutions of Exercises) 573
Chapter 2: Drilling Methods 573
Chapter 3: Drilling Fluid 593
Chapter 4: Drilling Hydraulics 605
Chapter 5: Well Control and Monitoring Program 624
Chapter 6: Formation Pore and Fractures Pressure Estimation 636
Chapter 7: Basics of Drillstring Design 646
Chapter 8: Casing Design 655
Chapter 9: Cementing 665
Chapter 10: Horizontal and Directional Drilling 676
Chapter 11: Well Drilling Costs Analysis 689
Appendix B: (MCQs Solutions) 701
Chapter 1: Drilling Methods 701
Chapter 2: Drilling Methods 701
Chapter 3: Drilling Fluid 701
Chapter 4: Drilling Hydraulics 702
Chapter 5: Well Control and Monitoring Program 702
Chapter 6: Formation Pore and Fractures Pressure Estimation 702
Chapter 7: Basics of Drillstring Design 702
Chapter 8: Casing Design 702
Chapter 9: Cementing 703
Chapter 10: Horizontal and Directional Drilling 703
Chapter 11: Well Drilling Cost Analysis 703
