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| Preface | |
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| Basic Equations | |
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| Terminology | |
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| Mud Weight MW (lb/ft<sup>3</sup>), Mud Weight MW (ppg), and Specific Gravity (SG) [USCS/British] | |
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| Density � (kg/m<sup>3</sup> or kg/liter), Mud Weight MW (N/m<sup>3</sup> or N/liter), and Specific Gravity (SG) [SI-Metric] | |
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| Hydrostatic Pressure (P) and (p) [USCS/British] | |
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| Hydrostatic Pressure (P) and (p) [SI-Metric] | |
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| Pressure Gradient ∇ (psi/ft), G (ppg) [USCS/British] | |
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| Pressure Gradient G (SG) [SI-Metric] | |
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| Equivalent Circulating "Density" ECD (ppg) [USCS/British] | |
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| Equivalent Circulating "Density" ECD (N/liter) and ECD (SG) [SI-Metric] | |
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| Mud Pump Output Q (bbl/stk) and q (gpm) [USCS/British] | |
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| Capacity Formulas | |
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| Annular Velocity V<sub>an</sub> (ft/min) | |
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| Strokes per Minute (SPM) Required for a Given Annular Velocity | |
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| Control Drilling | |
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| Buoyancy Factor (BF) | |
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| Decrease When Pulling Pipe Out of the Hole | |
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| Loss of Overbalance Due to Falling Mud Level | |
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| Circulating Hydraulic Horsepower (HHP) | |
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| Pump Pressure/Pump Stroke Relationship (the Roughneck's Formula) | |
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| Cost per Foot | |
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| Temperature Conversion Formulas | |
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| Basic Calculations | |
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| Capacity, Volumes, and Strokes | |
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| Slug Calculations | |
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| Accumulator Capacity | |
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| Bulk Density of Cuttings (Using Mud Balance) | |
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| Drill String Design (Limitations) | |
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| Ton-Mile (TM) Calculations | |
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| Cementing Calculations | |
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| Depth of a Washout | |
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| Lost Returns-Loss of Overbalance | |
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| Stuck Pipe Calculations | |
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| Calculations Required for Placing Spotting Pills in an Open Hole Annulus | |
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| Pressure Required to Break Circulation | |
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| Drilling Fluids | |
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| Mud Density Increase and Volume Change | |
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| Mud Weight Reduction with Base Liquid Dilution | |
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| Mixing Fluids of Different Densities | |
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| Oil-Based Mud Calculations | |
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| Solids Analysis | |
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| Solids Fractions (Barite-Treated Muds) | |
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| Dilution of Mud System | |
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| Evaluation of Hydrocyclones | |
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| Evaluation of Centrifuge | |
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| Pressure Control: Kill Sheets and Related Calculations | |
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| Normal Kill Sheet | |
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| Calculations | |
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| Kill Sheet with a Tapered String | |
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| Kill Sheet for a Highly Deviated Well | |
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| Prerecorded Information | |
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| Kick Analysis | |
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| Pressure Analysis | |
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| Stripping/Snubbing Calculations | |
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| Subsea Considerations | |
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| Workover Operations | |
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| Controlling Gas Migration | |
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| Gas Lubrication | |
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| Annular Stripping Procedures | |
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| Worksheet | |
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| Engineering Calculations | |
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| Bit Nozzle Selection-Optimized Hydraulics | |
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| Hydraulics Analysis | |
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| Critical Annular Velocity and Critical Flow Rate | |
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| The "d" Exponent | |
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| Cuttings Slip Velocity | |
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| Surge and Swab Pressures | |
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| Equivalent Circulation Density (ECD) | |
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| Fracture Gradient Determination-Surface Applications | |
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| Fracture Gradient Determination-Subsea Applications | |
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| Directional Drilling Calculations | |
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| Miscellaneous Equations and Calculations | |
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| Air and Gas Calculations | |
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| Appendix A | |
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| Appendix B | |
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| Appendix C Average Annual Atmospheric Conditions | |
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| Index | |