Preface 1 Oil-Field Casing 1.1 Introduction 1.2 Setting the Standards 1.3 Manufacture of Oil-Field Casing 1.3.1 Seamless Casing 1.3.2 Welded Casing 1.3.3 Strength Treatment of Casing 1.4 Casing Dimensions 1.4.1 Outside Diameter 1.4.2 Inside Diameter and Wall Thickness 1.4.3 Joint Length 1.4.4 Weights of Casing 1.5 Casing Grades 1.5.1 API Grades 1.5.2 Non-API Grades 1.6 Connections 1.6.1 API 8-rd Connections 1.6.2 Other Threaded and Coupled Connections 1.6.3 Integral Connections 1.7 Strengths of Casing 1.8 Closure 1.9 References 2 Basic Calculations and Hydrostatics 2.1 Introduction 2.2 Units of Measure 2.2.1 Weight and Mass in Oil-Field Context 2.2.2 Standard Gravity 2.2.3 Fluid Density 2.2.4 Units in Formulas and Equations 2.2.5 Significant Figures, Rounding, and Computers 2.3 Fluid Statics 2.3.1 Hydrostatic Pressure 2.3.2 Buoyancy and Archimedes’ Principle 2.4 Oil-Field Calculations 2.4.1 Hydrostatic Pressures in Well Bores 2.4.2 Buoyed Weight of Casing 2.4.3 Buoyed Weight of Casing in Inclined and Curved Well Bores 2.4.4 The Ubiquitous Vacuum 2.5 Closure 2.6 References 3 Casing Depth and Size Determination 3.1 Introduction 3.2 Casing Depth Determination 3.2.1 Depth Parameters 3.2.2 Conductor Casing Depth 3.2.3 Surface Casing Depth 3.2.4 Intermediate Casing Depth 3.2.5 Setting Depths Using Pore and Fracture Pressures 3.2.6 Casing Size Selection 3.2.7 Well Bore Size Selection 3.2.8 Bit Choices 3.2.9 Alternative Approaches 3.3 Closure 3.4 References 4 Casing Load Determination 4.1 Introduction
The Gulf Drilling Series is a joint project between Gulf Publishing Company and the International Association of Drilling Contractors. The first text in this Series presents casing design and mechanics in a concise, two-part format. The first part focuses on basic casing design and instructs engineers and engineering students how to design a safe casing string. The second part covers more advanced material and special problems in casing design in a user-friendly format. Learn how to select sizes and setting depths to achieve well objectives, determine casing loads for design purposes, design casing properties to meet burst, collapse and tensile strength requirements and conduct casing running operations safely and successfully.
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- © Gulf Publishing Company 2007
- 25th November 2013
- Gulf Publishing Company
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Ted Byrom is a Consulting Engineer with over 50 years of experience in the industry, primarily in drilling, completion, and well intervention. After completing his BSc degree in Petroleum Engineering from Texas A&M, he began his professional career with Unocal eventually becoming a district drilling superintendent. He later earned his MSc and PhD degrees in aerospace engineering, both from Texas A&M University, while teaching numerical methods and finite element methods at Texas A&M and doing research at NASA Langley Research Center, University of Virginia and the Center for Mechanics of Composites. After working with Oryx as Drilling Technology Consultant, he formed his own consulting agency in 1994, and is also currently a course designer and instructor for Petroskills developing and teaching courses on horizontal well technology, coiled tubing, cementing, and casing design. Byrom has co-authored one other textbook on finite element methods and is a licensed professional engineer in the state of Texas, a member of ASME, a Legion of Honor Member of SPE, and a recipient of an SPE Outstanding Technical Editor Award for the SPE Drilling and Completion Journal.