Formulas and Calculations for Drilling, Production and Workover, Second Edition

✍ Scribed by Norton J. Lapeyrouse

• Publisher: Gulf Professional Publishing
• Year: 2002
• Tongue: English
• Leaves: 234
• Edition: 2
• Category: Library

✦ Synopsis

The most complete manual of its kind, this handy book gives you all the formulas and calculations you are likely to need in drilling operations. New updated material includes conversion tables into metric. Separate chapters deal with calculations for drilling fluids, pressure control, and engineering. Example calculations are provided throughout. Presented in easy-to-use, step-by-step order, Formulas and Calculations is a quick reference for day-to-day work out on the rig. It also serves as a handy study guide for drilling and well control certification courses. Virtually all the mathematics required out on the drilling rig is here in one convenient source, including formulas for pressure gradient, specific gravity, pump output, annular velocity, buoyancy factor, volume and stroke, slug weight, drill string design, cementing, depth of washout, bulk density of cuttings, and stuck pipe. The most complete manual of its kind New updated material includes conversion tables into metric Example calculations are provided throughout

✦ Table of Contents

Cover......Page 1
Half Title Page......Page 2
Title Page......Page 4
Copyright......Page 5
Table of Contents......Page 6
Preface......Page 8
Pressure Gradient......Page 10
Hydrostatic Pressure (HP)......Page 12
Converting Pressure into Mud Weight......Page 13
Specific Gravity (SG)......Page 14
Equivalent Circulating Density (ECD), ppg......Page 15
Pump Output (PO)......Page 16
Annular Velocity (AV)......Page 18
Capacity Formulas......Page 21
Control Drilling......Page 28
Hydrostatic Pressure (HP) Decrease When Pulling Pipe out of the Hole......Page 29
Loss of Overbalance Due to Falling Mud Level......Page 31
Formation Temperature (FT)......Page 33
Drill Pipe/Drill Collar Calculations......Page 34
Pump Pressure/Pump Stroke Relationship (Also Called the Roughneck's Formula)......Page 36
Cost per Foot......Page 37
Temperature Conversion Formulas......Page 38
Volumes and Strokes......Page 40
Slug Calculations......Page 42
Accumulator Capacity - Useable Volume per Bottle......Page 46
Bulk Density of Cuttings (Using Mud Balance)......Page 50
Drill String Design (Limitations)......Page 51
Ton-Mile (TM) Calculations......Page 53
Cementing Calculations......Page 56
Weighted Cement Calculations......Page 62
Calculations for the Number of Sacks of Cement Required......Page 63
Calculations for the Number of Feet to Be Cemented......Page 66
Setting a Balanced Cement Plug......Page 70
Differential Hydrostatic Pressure Between Cement in the Annulus and Mud Inside the Casing......Page 74
Hydraulicing Casing......Page 75
Depth of a Washout......Page 79
Lost Returns - Loss of Overbalance......Page 80
Stuck Pipe Calculations......Page 81
Calculations Required for Spotting Pills......Page 84
Pressure Required to Break Circulation......Page 88
Increase Mud Density......Page 90
Dilution......Page 94
Mixing Fluids of Different Densities......Page 95
Oil-Based Mud Calculations......Page 96
Solids Analysis......Page 100
Solids Fractions......Page 104
Dilution of Mud System......Page 105
Evaluation of Hydrocyclone......Page 106
Evaluation of Centrifuge......Page 108
Kill Sheets and Related Calculations......Page 112
Prerecorded Information......Page 124
Kick Analysis......Page 133
Pressure Analysis......Page 146
Stripping/Snubbing Calculations......Page 148
Subsea Considerations......Page 153
Workover Operations......Page 162
Controlling Gas Migration......Page 166
Gas Lubrication......Page 168
Annular Stripping Procedures......Page 170
Bit Nozzle Selection - Optimized Hydraulics......Page 174
Hydraulics Analysis......Page 178
Critical Annular Velocity and Critical Flow Rate......Page 182
“d” Exponent......Page 183
Cuttings Slip Velocity......Page 184
Surge and Swab Pressures......Page 188
Equivalent Circulation Density (ECD)......Page 196
Fracture Gradient Determination - Surface Application......Page 199
Fracture Gradient Determination - Subsea Applications......Page 203
Directional Drilling Calculations......Page 206
Miscellaneous Equations and Calculations......Page 212
Appendix A......Page 218
Appendix B......Page 226
Index......Page 230
Back Cover......Page 234