Environment Report 2019

ENVIRONMENT REPORT 2019

Figure 47 shows the cause category for each system. For tanks and storage systems, the primary cause of releases is operational breaches, as it is for drilling systems and equipment. For the other categories, asset integrity is more common.

Figure 47: Accidental Chemical Releases Direct Cause by System/Equipment Category

1000

Unspecified Operational Asset

900

800

700

600

500

400

300

Mass of Chemical Release (Tonnes)

200

100

0

Hydraulics

Pipelines

Tanks / Storage

Wells

Chemical

Bulk Transfer

Drilling

Source: OPRED, May 2019; OGUK

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