Page 11 - Geothermal Energy Renewable Energy and The Environment

x Contents

Refining the Resource Assessment through Exploration Drilling ......................259
Production Wells and Feasibility Study ..............................................................259
Synopsis ....................................................................................................................260
References ................................................................................................................ 261

Chapter 14. The Geothermal Energy Future: Possibilities and Issues ........................................263
Geopressured Resources ..........................................................................................263
Magnitude of the Resource..................................................................................263
Why Geopressured Reservoirs Form ..................................................................263
Challenges to Development .................................................................................264
Fluid Chemistry ..............................................................................................264
Reinjection ......................................................................................................266
Enhanced Geothermal Systems (EGS) ....................................................................266
Magnitude of the Resource..................................................................................266
Technological Requirements ...............................................................................269
EGS Efforts to Date .............................................................................................270
Drilling and Downhole Equipment ..................................................................... 271
Drilling Fluids ................................................................................................ 271
High-Temperature Downhole Equipment ....................................................... 271
Reservoir Engineering .................................................................................... 271
Reservoir Management for Sustainability ......................................................272
Synopsis .................................................................................................................... 274
References ................................................................................................................ 275
Further Information ..................................................................................................276

Index ..............................................................................................................................................277
Index of Locations ........................................................................................................................289