Environmental Statement - Maersk Oil

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vi [This page is intentionally blank] Balloch Field Development Environmental Statement Non‐Technical Summary
Balloch Field Development Environmental Statement Glossary GLOSSARY Bathymetry The measurement of ocean depth and the study of floor topography. Benthic Relating to organisms that are attached to, or resting on, the bottom sediments. Bioaccumulate The increasing concentration of compounds within fauna such as limpets, oysters and other shellfish. Block Sub‐division of sea for the purpose of licensing to a company or group of companies for exploration and production rights. A UK block is approximately 200 – 250 km 2 . Cetacean Aquatic animals comprising porpoises, dolphins and whales. Demersal Living at or near the bottom of the sea. Dinoflagellates Plankton with two flagellae. Down hole Down a well. The expression covers any equipment, measurement, etc., in a well or designed to be used in one. Environmental aspect An activity that causes an environmental effect. Environmental effect Any change to the environment or its use. Flowline Pipe through which produced fluids travel. Greenhouse effect The greenhouse effect results in a rise in temperature due to infrared radiation trapped by carbon dioxide and water vapour in the Earth’s atmosphere. Greenhouse gas Gas that contributes to the greenhouse effect. Includes gases such as carbon dioxide and methane. Infauna Benthic organisms that live within the sediment. Injection well Well into which gas or water is pumped to maintain reservoir pressure. ISO 14001 International management system standard. Macrofauna Larger benthic organisms. Manifold A piping arrangement which allows one stream of liquid or gas to be divided into two or more streams, or which allows several streams to be collected into one. Meiofauna Benthic organisms sized between 50µm and 1mm. Microfauna Benthic organisms sized less than 50µm. Pelagic Organisms inhabiting the water column of the sea. Phytoplankton Free‐floating microscopic plants. Sidetrack Creation of a new section of the wellbore for the purpose of detouring around an obstruction in the main wellbore or to access a new part of the reservoir from an existing wellbore. Special Area of Conservation Areas considered to be important for certain habitats and non‐bird species of interest in a European context. One of the main mechanisms by which the EC Habitats and Species Directive 1992 will be implemented. Special Protection Area Sites designated by the UK Government to protect certain rare or vulnerable species and regularly occurring migratory species of birds. Tie‐in The action of connecting one pipeline to another or to another piece of equipment. Thermocline Pronounced temperature incline. Well completion The process by which a finished well is either sealed off or prepared for production by fitting a wellhead. vii
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B ‐ 2 Halocarbon release during e
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B ‐ 4 Lube and hydraulic oil spil
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Discharges to Sea Discharge from pi
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Production Phase Environmental Aspe
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B ‐ 10 Drainage water Discharge o
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Physical presence Oil and gas infra
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Major accidental events Other envir
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Environmental Statement - Maersk Oil

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