Book Name: Mechanics of Drillstrings and Marine Risers by Don W. Dareing
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mechanics of drillstrings and marine risers


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Language English
Format PDF
Measurement 28.6 MB

Mechanics of Drillstrings and Marine Risers by Don W. Dareing

Mechanics of Drillstrings and Marine Risers by Don W. Dareing | PDF Free Download.

Contents of Drillstrings and Marine Risers Mechanics PDF


Chapter 1. Introduction

  • Drillstrings
  • Static Evaluation 
  • Dynamic Evaluation
  • Directional Drilling
  • Marine Drilling and Manufacturing Risers
  • Maturity of Drilling and Manufacturing Know-how

Chapter 2. Mechanics of Lengthy Beam Columns

  • Buckling Resulting from Weight of Vertical Column 
  • Oscillation of a Hanging Chain
  • Brief Beams Below Uniform Pressure
  • Bending Equation for Lengthy Beam Columns
  • Buckling and Frequencies of Lengthy Vertical Pipe
  • Torsion Buckling of Vertical Pipe 
  • Rotational Stability and Whirl of Vertical Pipe
  • Parametric Resonance

Chapter 3. Drillstring Mechanics

  • Buckling and Lateral Vibrations of Drill Pipe
  • Buckling of Drill Collars
  • Stabilizer Placement Evaluation
  • Buckling on an Inclined Aircraft
  • Drill Collar Dynamics
  • Vibration Management
  • Friction in Directional Wells

Chapter 4. Mechanics of Marine Risers

  • Static Evaluation of Marine Risers
  • Dynamic Evaluation – Pure Frequencies
  • Dynamic Evaluation – Compelled Vibration

Chapter 5. Utilized Drilling Mechanics

  • Growing the Drilling Program
  • Hydraulics of Rotary Drilling
  • Optimum Drilling Apply

Chapter 6. Chosen Matters in Marine Riser Design

  • Marine Drilling Risers
  • Marine Manufacturing Risers
  • Bending of Bundled Tubulars Connected to Manufacturing Risers

Preface to Drillstrings and Marine Risers Mechanics PDF


Mechanics of Supplies usually addresses bending of beam columns the place axial forces are assumed to be fixed over the size of the beam.

This assumption is legitimate for many engineering constructions, and there are numerous good reference books that cowl this topic.

To my data, there isn’t a reference e book that covers the mechanics of lengthy beam columns which are a number of hundred and even hundreds of ft lengthy.

Since Spindle High, a lot has been discovered in regards to the efficiency of drillstrings by way of area expertise and for the reason that 1950s a substantial quantity by way of evaluation and testing.

Drilling is now a mature expertise with the aptitude to drill alongside a specified effectively path to achieve a goal inside just a few ft utilizing Measurements Whereas Drilling (MWD) and Rotary Steerable Instruments.

Marine riser expertise has additionally superior by way of higher understanding of environmental masses and riser responses.

In mild of these advances, there’s a have to doc the basic mechanics of these lengthy tubulars. Penning this e book supplied the problem of bringing collectively the works of many who’ve contributed to this expertise.

Despite the fact that each areas of software are totally different, there are similarities of their mechanics. It’s, subsequently, applicable to cowl each subjects collectively.

Subject operations of drillstrings and marine risers are advanced and require the talent of specialists with years of expertise, particularly in offshore drilling and manufacturing.

Additionally, there are numerous wonderful pc software program packages that predict responses of these tubulars below totally different working situations. Software program design instruments are usually primarily based on numerical strategies.

It’s not the aim of this e book to clarify practices, {hardware}, or pc software program however to deal with the basic mechanics of lengthy beam columns. Closed kind options might be emphasised all through.

Chapter 1 offers historic background on the evolution of the mechanics of drilling tubulars and marine risers.

Chapter 2 explains the mechanics and arithmetic of lengthy tubulars. These ideas are utilized all through.

Chapter 3 covers the mechanics of drillstrings together with each static and dynamic responses. Sources of excitation are defined together with strategies of vibration management.

Chapter 4 applies tubular mechanics to marine risers. Chapter 5 covers the applying of drilling mechanics, whereas Chapter 6 covers chosen subjects in marine riser design.

Every of us has particular buddies for various areas of our life, whether or not it’s group, church, sports activities, or career.

It has been my pleasure to work with actually excellent engineers and scientists who’ve expanded my understanding of this topic.

Dr. Tseng (Leo) Huang, Professor of Civil Engineering on the College of Texas at Arlington, was good in his understanding of engineering mechanics and its software to lengthy tubulars.

A lot of the fabric on this e book is extrapolated from a number of papers which we wrote collectively. He would have had a lot so as to add to this manuscript.

Chosen papers by Dr. Huang have been added to the checklist of references on the finish of Chapter 2. Dr. Jiri (George) Tlusty, Professor of Mechanical Engineering on the College of Florida, defined the self thrilling mechanism of machine instrument chatter.

He discarded the stick-slip idea, which was generally accepted on the time. Dr. Tlusty’s pioneering work set the engineering baseline for prime velocity machining, permitting machine instruments to provide easy surfaces at excessive slicing charges.

This expertise has been superior by Dr. Okay. Scott Smith, Mechanical Engineering Division Chair on the College of North Carolina, Charlotte.

Out of our discussions of Polycrystalline Diamond Compact (PDC) drill bits, Dr. Tlusty noticed a direct correlation between machine instrument chatter and PDC drill bit chatter.

This expertise switch is roofed in Chapter 3. Dr. Mostafa A. Elsayed, Professor of Mechanical on the College of Louisiana, Lafayette, expanded this idea and verified its validity by way of in depth testing on the Sandia Nationwide Laboratories.

It’s my pleasure to collaborate with Dr. Thomas G. Thundat, Professor, Canada Analysis Chair in Oil Sands Molecular Engineering,

College of Alberta (previously Company Fellow on the Oak Ridge Nationwide Laboratory), famend for his analysis in biomechanics and micro sensors.

Our analysis collaboration merges engineering mechanics and bioscience with a deal with microcantilever sensors, a beam of a lot smaller dimensions.

This e book doesn’t deal with all of the problems of these applied sciences. Offshore drilling and manufacturing requires area expertise and engineering perception, that are tough to seize in writing.

It’s my hope this e book will function a reference for designers of offshore drilling and manufacturing techniques and present a elementary background on the mechanics of lengthy beam columns for these coming into the petroleum business.

I’m grateful to Dr. Kirk E. Boatright, Dr. Mostafa A. Elsayed, and Dr. Nick S. Winowich for his or her precious suggestions.

I want to particularly thank members of the ASME e book assessment committee and the editorial employees for evaluating and processing this manuscript.

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