OSPAR Report on Discharges, Spills and Emissions from

0,85

MB

Offshore Oil and Gas Installations in 2003 including assessment

47

stron

of data reported in 2002 and 2003

1335

ID

Commission for the Protection of the Marine Environment of the North-East

2005

rok

Atlantic

Executive Summary/Récapitulatif 5

1. Introduction 6

1.1 Programmes and measures 6

1.2 Annual reporting and biannual assessments 7

2. Assessment of data reported 8

2.1 Discharges of oil and organic phase fluids into the sea 8

2.2 Chemicals 13

2.3 Emissions to air 13

3. Results 14

3.1 General information 14

3.2 Glossary 14

Part A: Report relating to 2003 data 15

Table 1: Number of installations with emissions and discharges covered by OSPAR measures 16

Table 2a: Production water 17

Table 2b: Displacement water 18

Table 3: Installations exceeding the 40 mg/l performance standard for dispersed oil 19-20

Table 4a: Use and discharges of oil-based fluids (OBF) 21

Table 4b: Use and discharges of non-OBF organic-phase drilling fluids (non-OBF OPF) 22

Table 5: Accidental spillages 23

Table 6: Emissions to air 24

Table 7a: Quantity of offshore chemicals used in kg/year 25

Table 7b: Quantity of offshore chemicals discharged in kg/year 26

Part B: Cumulative report 27

Table 1a: Number of installations in the OSPAR maritime area with discharges to the sea, or

emissions to the air, 1984-2003 28

Table 1b: Total number of installations in the OSPAR maritime area, 1984-2003 29

Table 2: Number of installations by type of installation in the OSPAR maritime area with discharges

to the sea, or emissions to the air, 1993-2003 30

Table 3a: Oil discharged in displacement and produced water (in tonnes), 1984-2003 31

Table 3b: Quantity of displacement and produced water discharged daily to the sea (in m3/day),

1984-2003 30

Table 4a: Number of installations with discharges exceeding the 40 mg oil/l performance standard,

1984-2003, and quantity of oil discharged by these installations (in tonnes) 31

Table 4b: Number of installations with discharges exceeding the 40 mg oil/l performance standard,

1994-2003, by Contracting Party, and quantity of oil discharged by these installations (in tonnes) 30

Table 5: Quantities of oil and other organic-phase fluids discharged via cuttings (in tonnes), 1984-

2003 32

Table 6a: Number of wells drilled with OPF, 1984-2000 33

Table 6b: Number of wells drilled with OPF, with discharge of contaminated cuttings to the maritime

area, 2001-

Table 7a: Number of oil spills (other than flaring), 1994-2003 – Spills less than 1 tonne (. 1 T) and

spills > 1 T 34

Table 7b: Quantity of oil spilled (flaring excluded), 1994-2003 34

Table 7c: Number of flaring operations, and quantity of oil spilled through flaring, 1994-2003 34

Table 8: Total discharges and spillage of dispersed oil, in tonnes, 1984-2003 35

Table 9: Emissions to air, 1992-2003 36

Table 10a: Total quantity of offshore chemicals used in kg/year 37

Table 10b: Total quantity of offshore chemicals discharged in kg/year 38

Figure 1: Number of installations in the OSPAR maritime area with discharges to the sea, or

emissions to the air, 1984-2003 39

Figure 2: Total discharges and spillage of dispersed oil, 1984-2003 40

Figure 3: Contribution of different sources of inputs of oil and/or synthetic fluids to the OSPAR

Convention's maritime area, 1981-2003 41

Figure 4: Emissions to the air from offshore installations, 1992- 2003 42

Annex: Comments to the OSPAR Report on Discharges, Spills and Emissions from Offshore

Installations in 2003 43