Philip Lawson, of ABB Consulting in Aberdeen, says North Sea operators are only likely to achieve an acceptable return on investment if they maintain and invest in the right areas from now on.

Offshore industry body Oil & Gas UK recently revealed that maintenance on ageing infrastructure had dented outputs for 2013, with levels at a record low. Average output for the year has been forecast at between 1.2m and 1.4m barrels of oil and gas per day (BOEPD), down from 1.54m in 2012.

The drop has been attributed to downtime caused by the extent of asset improvements and repairs that have taken place this year, with investment estimated at £13.5bn so far.

Lawson, said: “There is no question the region can still be profitable for many years to come, but maintenance programmes must now be targeted very carefully in order to achieve those targets. “There has been record investment in