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Formulas and Calculations for Drilling Engineers

by

Formulas and Calculations for Drilling Engineers Cover

 

Synopses & Reviews

Publisher Comments:

A "must-have" guide for any drilling, completion, or petroleum engineer, with thousands of frequently used formulas and calculations on a daily basis

Presented in an easy-to-use format, Formulas and Calculations for Drilling Operations is a quick reference for day-to-day work out on the rig or in the office. It also serves as a handy study guide for drilling and well control certification courses. Virtually all the mathematics required on a drilling rig are here in one convenient source, including formulas for pressure gradient, specific gravity, pump output, annular velocity, buoyancy factor, riser margin and many other topics.

This outstanding new reference:

  • Includes detailed calculations for the most common problems engineers face daily, including offshore calculations, horizontal drilling, and many other state-of-the-art technologies in drilling operations
  • Is the "have-to-have" handbook for any drilling engineer
  • Compact, with only the most useful information it can be used in the office or in the field
  • Complete and up-to-date, this is the most comprehensive tool for engineers working in drilling operations ever published

Synopsis:

Presented in an easy-to-use format, Formulas and Calculations for Drilling Operations 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 on a drilling rig is here in one convenient source, including formulas for pressure gradient, specific gravity, pump, output, annular velocity, buoyancy factor, and many other topics.

About the Author

DR. ROBELLO SAMUEL is a chief technical advisor in the drilling division of Halliburton and has been with the company since 1998. With dozens of articles and several books to his credit, including Downhole Drilling Tools, Drilling Engineering, and Advanced Drilling Engineering, he is also an adjunct professor in the petroleum program at the University of Houston. Dr. Samuel is also on the board of Journal of Petroleum Science and Engineering, and he holds degrees from the University of Madurai (BS and MS) and Tulsa University (MS and Ph.D.).

Table of Contents

Preface.

1 Basic Calculations.

1.1 Capacities.

1.2 Displacement.

1.3 Buoyancy, Buoyed Weight, and Buoyancy Factor (BF).

1.4 Effective Weight.

1.5 Modulus of Elasticity.

1.6 Poisson's Ratio.

1.7 Minimum Yield Strength.

1.8 Ultimate Tensile Strength.

1.9 Fatigue Endurance Limit.

1.10 Twist.

1.11 Composite Materials.

1.12 Friction.

1.13 Gauge and Absolute Pressures.

1.14 Temperature.

1.15 Horsepower.

1.16 Flow Velocity.

2 Rig Equipment.

2.1 Overall Efficiency of Engines.

2.2 Energy Transfer.

2.3 Blocks and Drilling Line.

2.4 Derrick Load.

2.5 Ton-Miles (TM) Calculations.

2.6 Crown Block Capacity.

2.7 Line Pull Efficiency Factor.

2.8 Rotary Power.

2.9 Mud Pumps.

2.10 Energy Transfer.

2.11 Offshore Vessels.

3 Well Path Design.

3.1 Average Curvature – Average Dogleg Severity (DLS).

3.2 Vertical and Horizontal Curvatures.

3.3 Borehole Curvature.

3.4 Bending Angle.

3.5 Tool Face Angle.

3.6 Borehole Torsion.

3.7 Wellpath Length Calculations.

3.8 Types of Designs.

3.9 Tool Face Angle Change.

3.10 Horizontal Displacement.

3.11 Tortuosity.

3.12 Well Profile Energy.

3.13 Magnetic Reference and Interference.

3.14 Wellbore Trajectory Uncertainty.

4 Fluids.

4.1 Equivalent Mud Weight.

4.2 Mud Weighting.

4.3 Common Weighting Materials.

4.4 Diluting Mud.

4.5 Base Fluid – Water-Oil Ratios.

4.6 Fluid Loss.

4.7 Acidity–Alkalinity.

4.8 Marsh Funnel.

4.9 Mud Rheology.

4.10 Plastic Viscosity, Yield Point and Zero-Sec-Gel.

5 Hydraulics.

5.1 Equivalent Mud Weight.

5.2 Equivalent Circulating Density.

5.3 Hydraulics: Basic Calculations.

5.4 Bit Hydraulics.

5.5 Bingham Plastic Model.

5.6 Power Law Model.

5.7 Gel Breaking Pressure.

5.8 Hole Cleaning – Cuttings Transport.

5.9 Transport Velocity.

6 Tubular Mechanics.

6.1 Drill Collar Length.

6.2 Bending Stress Ratio (BSR).

6.3 Pipe Wall Thickness.

6.4 Resonant Frequency.

6.5 Tensions.

6.6 Drag Force.

6.7 Side Force Calculation.

6.8 Torque and Makeup Torque.

6.9 Buckling.

6.10 Maximum Permissible Dogleg.

6.11 Length Change Calculations.

6.12 Stresses.

6.13 Fatigue Ratio.

6.14 Bending Stress Magnification Factor.

6.15 Slip Crushing.

6.16 Cumulative Fatigue Calculation.

7 Drilling Tools.

7.1 Stretch Calculations.

7.2 Backoff Calculations.

7.3 Overpull/Slack-Off Calculations.

7.4 Motor Calculations.

7.5 Stabilizer Calculations.

7.6 Percussion Hammer.

7.7 Positive Displacement Motor (PDM).

7.8 Rotor Nozzle Sizing.

7.9 Downhole Turbine.

7.10 Jar Calculations.

7.11 Specific Energy.

8 Pore Pressure and Fracture Gradient.

8.1 Formation Pressure.

8.2 Leak-off Pressure.

9 Well Control.

9.1 Kill Mud Weight.

9.2 The Length and Density of the Kick.

9.3 Hydrostatic Pressure Due to the Gas Column.

9.4 Leak-off Pressure.

9.5 Maximum Allowable Annular Surface Pressure (MAASP).

9.6 Accumulators.

9.7 Driller's Method Operational Procedure.

9.8 Kill Methods.

9.9 The Riser Margin.

10 Drilling Problems.

10.1 Stuck Point Calculations.

10.2 Differential Sticking Force.

10.3 Spotting Fluid Requirements.

10.4 Loss Circulation.

10.5 Increased ECD Due to Cuttings.

10.6 Mud Weight Increase Due to Cuttings.

10.7 Hole Cleaning – Slip Velocity Calculations.

10.8 Transport Velocity and Transport Ratio.

10.9 Keyseating.

11 Cementing.

11.1 Cement Slurry Requirements.

11.2 Yield of Cement.

11.3 Slurry Density.

11.4 Hydrostatic Pressure Reduction.

11.5 Contact Time.

11.6 Gas Migration Potential.

11.7 Cement Plug.

12 Well Cost.

12.1 Drilling Costs.

12.2 Future Value (FV).

12.3 Expected Value (EV).

12.4 Price Elasticity.

Appendix: Useful Conversion Factors.

Bibliography.

Index.

About the Author.

Product Details

ISBN:
9781118063125
Publisher:
Wiley-Scrivener
Subject:
Energy-Oil and Petroleum
Author:
Samuel, Robello
Subject:
Petrochemistry / Fuel
Subject:
robello samuel, drilling operations, downhole drilling tools, drilling engineering, advanced drilling engineering
Subject:
Education-General
Subject:
Energy-General
Subject:
main_subject
Subject:
all_subjects
Subject:
Fossil fuels
Copyright:
Series:
Wiley-Scrivener
Series Volume:
50
Publication Date:
20110215
Binding:
Electronic book text in proprietary or open standard format
Language:
English
Pages:
387

Related Subjects

Engineering » Engineering » Power Resources » Fossil Fuels
Science and Mathematics » Energy » General
Science and Mathematics » Geology » Petroleum Geology

Formulas and Calculations for Drilling Engineers
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Product details 387 pages John Wiley & Sons - English 9781118063125 Reviews:
"Synopsis" by , Presented in an easy-to-use format, Formulas and Calculations for Drilling Operations 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 on a drilling rig is here in one convenient source, including formulas for pressure gradient, specific gravity, pump, output, annular velocity, buoyancy factor, and many other topics.
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