Environmental Statement - Maersk Oil

xiv
Balloch Field Development Environmental Statement
Contents
3.4. PROTECTED HABITATS AND SPECIES .......................................................................................... 3‐7
3.5. THE SEABED ..................................................................................................................... 3‐12
3.6. MARINE FLORA AND FAUNA ................................................................................................. 3‐17
3.7. SOCIO‐ECONOMIC ENVIRONMENT ......................................................................................... 3‐30
3.8. OVERVIEW ....................................................................................................................... 3‐35
4. ENVIRONMENTAL ASSESSMENT METHODOLOGY 4‐1
4.1. LIKELIHOOD ........................................................................................................................ 4‐1
4.2. CONSEQUENCE .................................................................................................................... 4‐1
4.3. COMBINING LIKELIHOOD AND CONSEQUENCES TO ESTABLISH RISK ................................................... 4‐2
5. ASSESSMENT OF POTENTIAL IMPACTS AND CONTROLS 5‐1
5.1. DRILLING PHASE .................................................................................................................. 5‐2
5.2. INSTALLATION PHASE ............................................................................................................ 5‐6
5.3. PRODUCTION PHASE ........................................................................................................... 5‐10
5.4. NOISE ............................................................................................................................. 5‐15
5.5. ACCIDENTAL EVENTS ........................................................................................................... 5‐19
5.6. WIDER DEVELOPMENT CONCERNS ......................................................................................... 5‐19
5.7. CUMULATIVE IMPACTS ........................................................................................................ 5‐21
6. HYDROCARBON RELEASES (SPILL MODELLING) 6‐1
6.1. OIL SPILL REGULATIONS AND RISK ............................................................................................ 6‐1
6.2. POTENTIAL SOURCE OF HYDROCARBON SPILLS FROM THE BALLOCH PROJECT ...................................... 6‐3
6.3. HYDROCARBON SPILL MODELLING ........................................................................................... 6‐4
6.4. MODELLING RESULTS ............................................................................................................ 6‐7
6.5. ENVIRONMENTAL RISKS ‐ FATE OF OIL IN THE MARINE ENVIRONMENT ............................................ 6‐24
6.6. SUMMARY OF ENVIRONMENTAL SENSITIVITIES AND POTENTIAL IMPACTS ......................................... 6‐25
6.7. SPILL PREVENTION AND CONTINGENCY PLANNING ...................................................................... 6‐28
7. CONCLUSIONS 7‐1
7.1. ENVIRONMENTAL EFFECTS ...................................................................................................... 7‐1
7.2. MINIMISING ENVIRONMENTAL IMPACT ..................................................................................... 7‐1
7.3. OVERALL CONCLUSION .......................................................................................................... 7‐4
8. REFERENCES 8‐1
APPENDIX A – REGISTER OF ENVIRONMENTAL LEGISLATION.........................................................A‐1
APPENDIX B – ENVIRONMENTAL ASSESSMENT..............................................................................B‐1
APPENDIX C – MAERSK OIL HSSE POLICY........................................................................................C‐1