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Elsevier

Formulas and Calculations for Drilling, Production and Workover

This handy book gives you all the formulas and calculations you are likely to need in drilling operations. It is the most complete manual of its kind. Included are formulas for… Read more

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Description

This handy book gives you all the formulas and calculations you are likely to need in drilling operations. It is the most complete manual of its kind. Included are formulas for pressure gradient, specific gravity, pump output, annular velocity, and buoyancy factor. In addition, there are calculations for volume and stroke, slug weight, drill string design, cementing, depth of washout, bulk density of cuttings, and stuck pipe. 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 included here in one convenient source.

Table of contents

Preface. BASIC FORMULAS. Pressure Gradient. Hydrostatic Pressure. Converting Pressure into Mud Weight. Specific Gravity. Equivalent Circulating Density. Maximum Allowable Mud Weight. Pump Output. Annular Velocity. Capacity Formulas. Control Drilling. Buoyancy Factor. Hydrostatic Pressure Decrease When Pulling Pipe Out of the Hole. Loss of Overbalance Due to Falling Mud Level. Formation Temperature. Hydraulic Horsepower. Drill Pipe/Drill Collar Calculations. Pump Pressure/Pump Stroke Relationship. Cost Per Foot. Temperature Conversion Formulas . BASIC CALCULATIONS. Volumes and Strokes. Slug Calculations. Accumulator Capacity. Bulk Density of Cuttings. Drill String Design (Limitations). Ton-Mile Calculations. Cementing Calculations. Weighted Cement Calculations. Calculations for the Number of Sacks of Cement Required. Calculations for the Number of Feet to Be Cemented. Setting a Balanced Cement Plug. Differential Hydrostatic Pressure Between Cement in the Annulus and Mud Inside the Casing. Hydraulicing Casing. Depth of a Washout. Lost Returns - Loss of Overbalance. Stuck Pipe Calculations. Calculations Required for Spotting Pills. Pressure Required to Break Circulation. DRILLING FLUIDS. Increase Mud Density. Dilution. Mixing Fluids of Different Densities. Oil Based Mud Calculations. Solids Analysis. Solids Fractions. Dilution of Mud System. Displacement - Barrels of Water/Slurry Required. Evaluation of Hydrocylone. Evaluation of Centrifuge. PRESSURE CONTROL. Kill Sheets and Related Calculations. Prerecorded Information. Kick Analysis. Pressure Analysis. Stripping/Snubbing Calculations. Subsea Considerations. Workover Operations . ENGINEERING CALCULATIONS. Bit Nozzle Selection - Optimized Hydraulics. Hydraulics Analysis. Critical Annular Velocity and Critical Flow Rate. d Exponent. Cuttings Slip Velocity. Surge and Swab Pressures. Equivalent Circulation Density. Fracture Gradient Determination - Surface Application. Directional Drilling Calculations. Miscellaneous Equations and Calculations. APPENDIX A. APPENDIX B. INDEX.

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About the author

NL

Norton J. Lapeyrouse

Norton J. Lapeyrouse was a technical training instructor in oilfield courses with international experience. He developed numerous training programs, courses, and manuals designed for supervisory and field personnel. He was a member of the Society of Petroleum Engineers of AIME., the American Society for Teaching and Development, and the IADC. subcommittee of Well Control Trainers Roundtable.
Affiliations and expertise
Former technical training instructor in oilfield courses