Well Test Analysis for Multilayered Reservoirs with Formation Crossflow

✍ Scribed by Chengtai Gao and Hedong Sun (Auth.)

• Publisher: Gulf Professional Publishing
• Year: 2017
• Tongue: English
• Leaves: 349
• Edition: 1st Edition
• Category: Library

✦ Synopsis

Well Test Analysis for Multilayered Reservoirs with Formation Crossflow introduces the fundamentals of well test analysis of a multilayered reservoir with formation crossflow. The effects of reservoir parameters on wellbore pressure and flow rate are examined, as is a proper method that has been established to analyze well test data that leads to better determinations on the reservoir parameters for each layer of the reservoir.

Focusing on multilayer models for data analysis, this reference explains the reasons for the existence of single-phase crossflow in multilayer reservoirs, exploring methods to establish them and presenting practical applications to utilize and implement for today’s more complex reservoirs.

Aiding in better well testing operations and models, this book is a one-stop solution for today’s reservoir and production engineer, helping them understand every layer of their reservoir.

✦ Table of Contents

Content:
Front Matter,Copyright,About the Author,Acknowledgment,IntroductionEntitled to full textChapter 1 - Semipermeable Wall Model of a Multilayer Reservoir with Crossflow, Pages 1-23
Chapter 2 - Single-Phase Fluid Flow in a Two-Layer Reservoir with Significant Crossflow, Pages 25-63
Chapter 3 - Pressure Transients and Crossflow Caused by Diffusivities in Multilayer Reservoirs, Pages 65-90
Chapter 4 - Crossflow Behavior and the Determination Reservoir Parameters by Drawdown Tests in Multilayer Reservoirs, Pages 91-107
Chapter 5 - Determination of Total Productivity by a Constant Wellbore Pressure Flow Test and the Crossflow Behavior in Multilayer Reservoirs, Pages 109-131
Chapter 6 - Determination of Individual Layer Properties by Layer-by-Layer Well Tests in Multilayer Reservoirs with Crossflow, Pages 133-157
Chapter 7 - Determination of Parameters for Individual Layers by Transient Well Tests in Multilayer Reservoirs, Pages 159-190
Chapter 8 - Interpretation Theory for Vertical Interference Testing Across a Low-Permeability Zone, Pages 191-218
Chapter 9 - Unsteady Crossflow Model for Leaky Vertical Interference Testing Across a Low-Permeability Zone, Pages 219-245
Chapter 10 - Material Balance Equation of Multilayer Gas Reservoir, Pages 247-269
Chapter 11 - Computer-Aided Well Test Design and Well Test Analysis of Layered Reservoirs, Pages 271-281
Nomenclature, Pages 283-287
Appendix A - Analytical Solution for the Stationary Value of f (Chapter 2), Pages 289-290
Appendix B - Approximate Solution of the Diffusivity Crossflow Problem in n-Layer Reservoirs (Chapter 3), Pages 291-296
Appendix C - Solution of the Crossflow Caused by Different Boundary Pressures (Chapter 4), Pages 297-298
Appendix D - Approximate Solution for a Well Producing From All Layers at a Constant Rate (Chapter 7)☆, Pages 299-305
Appendix E - Approximate Solution and Its Extension When Each Layer of a Two-Layer Reservoir Produces Independently (Chapter 7)☆, Pages 307-314
Appendix F - Case for Variable Bottom-Hole Rate (Chapter 8), Pages 315-320
Appendix G - Case for Constant Wellhead Rate (Chapter 8), Pages 321-325
Appendix H - Solution of the Problem (Chapter 9), Pages 327-333
Appendix I - Limiting Behavior for f=αD(pwD1-pwD2) (Chapter 9), Pages 335-338
Appendix J - Commonly Used Units in Different Unit Systems, Page 339
References, Pages 341-348
Index, Pages 349-354

✦ Subjects

Home;Books & Journals;Energy;Energy (General);Natural Gas;Well Test Analysis for Multilayered Reservoirs with Formation Crossflow