Page 2 - Offshore Well Construction
P. 2
TABLE OF CONTENTS
Petroleum Extension-The University of Texas at Austin
Chapter 1 The Role of Well Construction in the Evaluation and Development
of Oil and Gas Reserves ........................................................................................................................................................................................................1.1
Introduction ..........................................................................................................................................................1.1
Licensing................................................................................................................................................................1.3
Legislation .............................................................................................................................................................1.3
Operating Company Organization ....................................................................................................................1.4
Appendix—Geophysical Survey Types .....................................................................................................1.6
Magnetic Surveys .................................................................................................................................................1.6
Gravity Surveys ....................................................................................................................................................1.6
Seismic Surveys ....................................................................................................................................................1.7
Chapter 2 Well Design Process ...........................................................................................................................................................................................................2.1
Overview ...............................................................................................................................................................2.1
Preliminary Well Design .....................................................................................................................................2.1
Detailed Well Design ...........................................................................................................................................2.5
Prepare Well Program .........................................................................................................................................2.8
Execute Well Program .........................................................................................................................................2.9
Analyze and Improve Performance ..................................................................................................................2.9
Appendix—Sample Well/Drilling Program Format ............................................................................2.10
Chapter 3 Casing Design ..........................................................................................................................................................................................................................3.1
Introduction ..........................................................................................................................................................3.1
Casing Properties .................................................................................................................................................3.2
The Casing Design Operation ............................................................................................................................3.5
Preliminary Design ..............................................................................................................................................3.5
Detailed Design ..................................................................................................................................................3.10
Casing Wear ........................................................................................................................................................3.26
Material Selection ...............................................................................................................................................3.29
Pore Pressure and Fracture Gradient Prediction ...........................................................................................3.31
Chapter 4 Drilling and Completion Fluids .....................................................................................................................................................................................4.1
Functions of a Drilling Fluid ..............................................................................................................................4.1
Types of Drilling Fluid ........................................................................................................................................4.1
Drilling Fluid Selection .......................................................................................................................................4.3
Contamination ......................................................................................................................................................4.5
Drilling Fluid Properties .....................................................................................................................................4.7
Trend Analysis ....................................................................................................................................................4.11
Formation Damage ............................................................................................................................................4.15
Chapter 5 Cementing ..................................................................................................................................................................................................................................5.1
Objectives ..............................................................................................................................................................5.1
Planning .................................................................................................................................................................5.1
Common Cementing Problems ..........................................................................................................................5.1
Cement Types .......................................................................................................................................................5.1
Cement Properties ................................................................................................................................................5.2
Cement Additives ................................................................................................................................................5.4
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