The Digital Oilfield is the buzzword of the oil industry in these early years of the 21^st century.

Data swiftly flows to databases, moves around the world at the speed of light and can be exchanged seamlessly between all stakeholders. From time to time, for good housekeeping, data is cleansed. Many people are involved in these intermediate or final steps.

But, who cares about the real sources of oilfield data, seismic profiles, wireline and LWD logs, drilling data and core measurements ? This book, Quest for quality data , expresses the real concerns about input data. It explains the inherent weaknesses of the oilfield data acquisition processes and gives recommendations on how to improve them. This quest goes through the paths of uncertainty management and elucidates the important role of the field engineers.