Abstract

This work aims to show the techniques and operational procedures that are used on an Offshore Drilling Rig, as well as application on each step of the process to the construction of an oil and gas well to prevent operational mistakes that cause non productive time. In the present work, an analysis regarding on a “Pre-Salt” well-constructed by a conventional drilling method, as well as difficulties encountered due to the method chosen. The results observed on case study show that the correct choose of the drilling method can determine significant advance in the “Pre-Salt” wells, in order to reduce the lost time and not to affect the well construction chronology.

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