Environment Report 2015
ENVIRONMENT REPORT 2015
Figure 28: Accidental Oil Release Mass by Source
160
350
Hydraulic Systems
140
300
Other*
120
250
100
Containment
200
80
Bunkering Systems
150
60
100
Drainage Systems
Number of Releases
40
50
20
Production Systems and Related Equipment
Accidental Oil Release Mass (Tonnes)
0
0
Number of Releases
2010
2011
2012
2013
2014
*Other includes releases from firefighting systems, flare systems, pipework infrastructure, deck washings and unidentified sheen, as well as those releases for which no source is identified.
Source: DECC July 2015
Shading highlights single large releases in that particular category.
Figure 29: Accidental Oil Release Mass by Cause
350
160
Valve Failure
140
300
Seal Failure
120
250
100
Other*
200
80
Human Error
150
60
Structural Failure
100
Number of Releases
40
Number of Releases
50
20
Accidental Oil Release Mass (Tonnes)
0
0
2010
2011
2012
2013
2014
*Other includes releases caused by flange issues, blockage, maintenance, drop out, run off, fitting failure, mechanical failure, overflow and those releases for which no cause is identified.
Source: DECC July 2015
Shading highlights single large releases in that particular category.
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