Breagh Development - RWE.com

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RAMSAR RAMSAR Convention on Wetlands ROV Remote operated Vehicle RQ Risk Quotient SAC Special Area of Conservation S Seconds SCANS Small Cetacean Abundance in the North Sea scf/hr Standard Cubic Feet per Hour SEA Strategic Environmental Assessment SG Specific Gravity SIMOPS Simultaneous Drilling and Production SIWHP Shut In Well Head Pressure Sm 3 /d Standard Meters Cubed per day SNS Southern North Sea SPA Special Protection Area Spp Species SOPEP Ship Oil Pollution Emergency Plan t Tonnes t/d Tonnes per day TGPP Teesside Gas Processing Plant THC Total Hydrocarbon Content TOC Total Organic Carbon TOM Total Organic Matter TVD True Vertical Depth TVDSS True Vertical Depth Subsea µg micrograms UK United Kingdom UKCS United Kingdom Continental Shelf UKOOA United Kingdom Offshore Operators Association UPS Uninterrupted Power Supply UTM Universal transverse Mercator V Vaults VHF Very High Frequency VOC Volatile Organic Compound WBM Water Based Mud WHSIP Well Head Shut In Pressure WUP Water up to Breagh Environmental Statement Non Technical Summary xv
Breagh Environmental Statement Non Technical Summary Table of Contents Standard Information Sheet .............................................................................................. i Non Technical Summary .................................................................................................. iii Scope ..................................................................................................................................... iv Summary of Onshore Environmental Statement .................................................................. iv Environmental Management and Mitigation ........................................................................ v Development Concept ............................................................................................................ v Environmental and Socioeconomic Development ................................................................. v Teesside Offshore Windfarm ................................................................................................ vii Environmental Effects ........................................................................................................... ix Main Conclusions.................................................................................................................... x Glossary.......................................................................................................................... xi Acronyms ...................................................................................................................... xii Introduction ................................................................................................................. 1-1 Aim of the Project ............................................................................................................... 1-2 Purpose of the Environmental Statement .......................................................................... 1-2 Requirement for an Environmental Statement .................................................................. 1-2 Scope of the Environmental Statement ............................................................................. 1-3 Legislative Overview ........................................................................................................... 1-3 Environmental Management .............................................................................................. 1-6 Areas of Uncertainty ........................................................................................................... 1-6 Consultation Process .......................................................................................................... 1-7 Proposed Development ................................................................................................. 2-1 Introduction ........................................................................................................................ 2-1 Nature of the Reservoir ...................................................................................................... 2-2 Development Options ........................................................................................................ 2-4 Schedule of Activities ......................................................................................................... 2-7 Breagh Alpha NUI Design .................................................................................................... 2-8 Subsea Design ................................................................................................................... 2-13 Drilling............................................................................................................................... 2-20 Production ........................................................................................................................ 2-29 Environmental Performance ............................................................................................ 2-31 xvi
Page 1 and 2: Breagh Development Phase I Environm
Page 3 and 4: Breagh Environmental Statement Non
Page 15: Breagh Environmental Statement Non
Page 19 and 20: 1. Introduction Breagh Environmenta
Page 21 and 22: 1.4. Scope of the Environmental Sta
Page 23 and 24: Breagh Environmental Statement Sect
Page 27 and 28: 2. Proposed Development 2.1. Introd
Page 29 and 30: Figure 2-2 Breagh reservoir depth m
Page 31 and 32: Figure 2-3 Breagh Export Route Opti
Page 39 and 40: Discharges Overboard Breagh Environ
Page 41 and 42: Figure 2-9 Pipeline route elevation
Page 43 and 44: • Survey vessel (pre and post lay
Page 45 and 46: The shallow water section of the pi
Page 49 and 50: Figure 2-15 Schematic of a generic
Page 53 and 54: Solid wastes from drilling Breagh E
Page 55 and 56: 2.8. Production Breagh Environmenta
Page 59 and 60: 2.10. Permits and Consents Breagh E
Page 61 and 62: Re-use in situ Breagh Environmental
Page 63 and 64: NUI removal Breagh Environmental St
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Breagh Environmental Statement Sect
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4. Environmental Assessment Methodo
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5. Assessment of Potential Impacts
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5.2 Drilling Phase 5.2.1. Atmospher
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3” pipeline 20” pipeline Table
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Figure 5-4 Recorded vessel trajecto
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6. Conclusions Breagh Environmental
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Appendix A - Register of Environmen
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Field Development Plan Pipeline Wor
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Location of structures Well consent
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deposits of the seabed Fisheries li
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Installation including Pipelay and
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Hazardous and non-hazardous drainag
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Flaring and Venting Nearshore Disch
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Decommissioning Issue Legislation R
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Wildlife Protection Issue Legislati
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Chemicals Proposed EU instruments o
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B. Environmental Assessment Potenti
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Noise Physical presence of installa
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Environmental Aspect Source Activit
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Drain water Food wastes from rig an
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Physical presence Noise Physical pr
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Environmental Aspect Source Activit
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Disposal to Land Discharge of hydro
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Physical presence of pipelay vessel
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Physical presence of rockdump and m
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Visual Impacts Accidental Event Pip
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Discharges to sea Sewage from NUI d
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Physical Presence Physical presence
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Production Phase 5 1 Low area. Deco
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Breagh Environmental Statement Appe
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D. Environmental Management D.1. Ma
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Figure D - 2 RWE HS&E Policy Statem
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G. Drawings Breagh Environmental St
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Figure E 14 Bathymetry along the pr
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Breagh Development - RWE.com

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