Activity Survey 2014

4.

Drilling Activity

1

Drilling Performance 2

2

Figure 6: Drilling Activity on the UK Continental Shelf including Sidetracks

250

3

Exploration Wells Appraisal Wells Development Wells

200

4

150

5

100

6

50

Number of Wells Drilled including Sidetracks

0

7

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

Source: DECC

Development Drilling

8

In 2013, a total of 120 development wells (including sidetracks) were drilled. Although the number of development wells has remained stable over the last three years (from 2011 to 2013) at an average of 121 wells per year, drilling has decreased by half over the last decade, contributing to the fall in production seen over this period.

9

10

11

2 Throughout this section the drilling numbers are quoted including sidetracks, unless otherwise indicated.

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