Hart's E&P: Remote Advisory Service Improves Drilling Performance In Offshore Environments

During the process of drilling a well, operators must continually react to a complex interplay of geologic, hydraulic, mechanical and human factors if they are to successfully reach target depth. Despite continuing technological advances designed to drill longer and more complex wells, opportunities remain to improve drilling efficiency and safety in the face of tighter operating budgets.

Increased efficiency during the drilling process is directly related to the ability to mitigate nonproductive time (NPT), the time lost from events like wellbore issues and equipment failures, and invisible lost time (ILT) caused by inefficiencies in routine operations such as tripping pipe, back-reaming, or making up and breaking down equipment. NPT is the common target of most drillers’ efficiency measures, while ILT is difficult to identify, is rarely quantified and often accumulates during drilling activities. According to some industry sources, NPT can account for 10% to 40% of an operator’s budget, and ILT can add 20% to 40% in operating costs.

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