This new and important book focuses on recent research from around the world on petroleum science including the origin and accumulation of petroleum (natural gas); petroleum (natural gas) geochemistry; reservoir engineering; rock mechanics/petrophysics; well logging, testing and evaluation; mathematical modelling; enhanced oil and gas recovery; petroleum (natural gas) geology; compaction/diagenesis; petroleum (natural gas) economics; drilling and drilling fluids; thermodynamics and phase behaviour, fluid mechanics in porous media and multi-phase flow; reservoir simulation; production engineering; formation evaluation; exploration methods.