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An Introduction to Drilling Calculations

  • ID: 3833444
  • Book
  • 268 Pages
  • Elsevier Science and Technology
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An Introduction to Drilling Calculations: Volume, Pressure, and Well Control lays the foundation to successfully pass well control tests the first time, saving companies time and money on retesting. Kicking off with basic calculations and equations, this handy training tool slowly works through converting units, symbols in the calculations, and understanding basic math for daily oilfield tasks.

The book advances to cover volume, including string and hole volume, kill sheets, and annular velocity. Pressure is also addressed to illustrate changes in mud weight, formation strength, and tripping pressure calculations. Finally, well control basics are covered with kill mud weight sheets, influx height and gradient, and overbalance/underbalance.

Test questions are included at the end of each stage, and there is a practice test at the end of the book to ensure well control school is effective. With straightforward learning and simple illustrations, the book is a critical tool for drilling personnel who are looking for tactics on how to safely and effectively supervise and manage today's rigs.

  • Allows users to understand basic daily calculations related to drilling field operations and well control training
  • Presents an easy-to-understand language and simple illustrations to ensure clarity on basic math calculations, pressure, volume, and well control
  • Includes practice questions at the end of each chapter and a full test at the end of the book
Note: Product cover images may vary from those shown
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Book One: Getting a Handle on your Calculations

Don't Panic

Things you will need

Setting the learning habit

How to use this book

Introduction to your calculator

Fractions and Decimals

Squaring a number

Percentages

Rounding your answers

Symbols used in calculations

Figuring out the order of a calculation

Formulas

Messing with formulas

Converting Units

Book test

Last word

Book Two: Volume Calculations

Don't panic

A quick refresher

Pit volume

String and hole volume

Annular volume

Pump output

Stroke and time calculations

Annular velocity

Capacities and displacements

Trip sheet calculations

Kill sheet
volume calculations

Book test

Last word

Book Three: Pressure Calculations

Don't Panic

A quick refresher

Pressure gradient

Hydrostatic pressure

Circulating pressures

Change of pump speed

Change of mud weight

Formation strength

Tripping pressure calculations

Book test

Last word

Book Four: Well Control Calculations

Don't panic

A quick refresher

Formation pressure

Balance, overbalance and underbalance

Formation pressure
again

Kill mud weight

ICP

FCP

Influx height

Influx gradient

Kill sheet pressure calculations

Book test

Last word

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Cormack, David
David Cormack is currently Owner of Auriga Training, his own consulting and training firm for the global drilling industry specializing in well control instruction. Previously, he worked for KCA Deutag Drilling as Head of Training and was responsible for rolling out company standards as well as ensuring that all training centers gained IADC WellCAP accreditation. David has also worked for Transocean, R&B Falcon, and Santa Fe Drilling - all in training capacities as well as a variety of drilling positions on platform rigs and semisubmersibles in the North Sea. David trains all over the world and completed a Level 4 SVQ in Human Resource Management.
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