![]() ![]() ![]() Static calculations use constant consumption rates of maintenance resources (spares) and utilities to determine operating costs for an assets - it presents a simple solution which can be used as a starting point.ĭynamic simulation takes account of continuous changes in the state of the system over its expected life. There are two techniques used to estimate the OpEx: dynamic simulation or the traditional static calculation techniques. Failures are random and require a number of spare parts as well as specialized manpower. Considering that these expenses will be present over the entire venture’s life (around 20 to 30 years), Opex can easily overcome Capex.Ĭapex is also easier to estimate – the investment on purchasing equipment items and constructing the facilities. ![]() When calculating the running cost of a process plant, we should consider maintenance costs and utilities (power, water and gas) supply and so on. However, the operational expenditure, could potentially be larger than Capex. Why is that? Capex represents a significant contribution to the investment in an oil and gas asset, typically made during the first few years. When discussing financial analysis in the oil and gas industry, focus tends to be on the overall investment of a process plant – the capital expenditure. Taking a conservative approach where operational expenditure grows at the rate of 1-5% over (the average increase over the past 40 years is around 20%) the next five years, the estimated cost to operate in the North Sea will be between £10.5 and £11 billion. Total Income, Operational Expenditure and Capital Expenditure from 1970 to 2013 Power of 1% - How much would saving 1% look like? Taking a conservative approach, if the growth on expenditure was around 1-5%, how much money are we expecting to spend to operate in the North Sea? Focus on Capex and Opex? Media Newsroom Statistics and Insights Events Blogs: Energy in transition Sector insights Maritime Power and renewables Oil and gasĭNV Group About us Corporate governance Research & development Joint Industry Projects DNV Ventures Sustainability Annual reportīusiness areas Maritime Energy Systems Business Assurance Supply Chain & Product Assurance Digital Solutions Veracity data platformĬareers Overview Job opportunities Career development Why DNV? Meet our people Diversity & inclusion Ship management, operations and ship design.Reliability, availability and maintainability (RAM).Electric grid performance and reliability.Offshore classification – fleet in service.Digital monitoring of medium-voltage cable networks.Sustaining operational excellence with RAM analysis Sectors Services Insights About us Sign in Sign in to Veracity Open menu Open search ![]()
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