Oil & Gas UK Decommissioning Insight 2014

DECOMMISSIONING INSIGHT 2014

Figure 6: Historical Variation in Well Plugging and Abandonment Cost Forecasts in the Central and Northern North Sea (2011 to 2014 Surveys)

10 15 20 25 30 35 40

Estimated Cost (£ Million)

0 5

2011 2012 2013 2014

2011 2012 2013 2014

2011 2012 2013 2014

Platform

E&A

Subsea Development

Average Forecast Cost Platform Well

Average Forecast Cost Suspended E&A Well

Average Forecast Cost Subsea Development Well

Range in Cost Forecasts

Source: Oil & Gas UK

Well P&A

2013 Average £4.8 million

2014 Average £4.8 million £17.4 million £11.6 million

Platform wells

Subsea E&A wells

£8 million

Subsea development wells

£10.1 million

20