FEED - Front End Engineering Design deals with the design of the whole project and is used in every sector. The one for petroleum sector is most important one as it is highly feasibility sensitive project to get oil from reserves and the book is a great help for those who want to know about how a petrochemical plant works.
The work of rigs, the materials from petroleum, they have all been discussedin the book and is a must read if you are interested.As I am petroleum engineer I chose to give it a shot and I made a good decision.