Preface Contributors List of Abbreviations Chapter 1 The Why and Basic Principles of Managed Well-Bore Pressure About This Chapter 1.1 Introduction to Managed Pressure Drilling and Some Definitions 1.2 History 1.2.1 Old Ideas Made New 1.2.2 New Ideas 1.3 Advantages and Methods of Managed Pressure Drilling 1.3.1 An Adaptive Process 1.3.2 Extending the Casing Points 1.3.3 Lost Circulation 1.3.4 Well Kicks 1.3.5 Differentially Stuck Drill Pipe 1.3.6 Deepwater Drilling 1.4 Basic Mathematical Ideas behind MPD 1.4.1 Bottom-Hole Pressure Calculations with Liquids 1.4.2 Expansion (or Compression) of a Gas Bubble with No Fluid Flow 1.4.3 Ideal Gas Law 1.4.4 Strong–White Equation 1.4.5 The Effect of Annular Pressure Loss on Bubble Size 1.5 Basic Well Control 1.5.1 Driller’s Method of Well Control 1.5.2 Wait and Weight Method of Well Control 1.5.3 Basic Well-Control Formulas 1.5.4 Lag Time—Choke to Bottom of the Hole or Choke to Standpipe 1.6 Pore Pressure 1.7 Overburden Pressure 1.8 Rock Mechanics 1.8.1 Fracture Pressure 1.8.2 Well-Bore Ballooning and the Leak-off Test Questions References Answers Chapter 2 Situational Problems in MPD About This Chapter 2.1 Introduction 2.2 ECD Manipulation—Pore Pressure and Fracture Pressure Convergence 2.2.1 Chokes 2.2.2 Pumps 2.2.3 Pipe Movement 2.2.4 "Ballooning" 2.2.5 Precision 2.2.6 Well Control 2.2.7 Lag Time 2.3 Total Lost Circulation 2.4 Deepwater Marine Drilling 2.4.1 The Problem in the Surface Hole 2.4.2 Excessive Casing Strings 2.4.3 U-Tube Effect in Riserless or Limited Riser Operations 2.4.4 Hydrosta
With extraction out of depleted wells more important than ever, this new and developing technology is literally changing drilling engineering for future generations. Never before published in book form, these cutting-edge technologies and the processes that surround them are explained in easy-tounderstand language, complete with worked examples, problems and solutions. This volume is invaluable as a textbook for both the engineering student and the veteran engineer who needs to keep up with changing technology.
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- © Gulf Publishing Company 2009
- 18th December 2013
- Gulf Publishing Company
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