Breuer E, Stevenson A G, Howe J A, Carroll J, Shimmield G B
Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll, PA37 1QA Scotland, United Kingdom.
Mar Pollut Bull. 2004 Jan;48(1-2):12-25. doi: 10.1016/j.marpolbul.2003.08.009.
The exploration and production of North Sea oil and gas reserves has resulted in the accumulation of large quantities of drill cuttings on the seabed surrounding drill sites. This complex mixture of man-made and natural substances contains higher concentrations of certain metals (Ba, Cr, Cu, Ni, Pb, and Zn) and hydrocarbons than are observed in background sediments. With decommissioning of older platforms underway, an evaluation of the environmental interactions and chemical fate of the drill cuttings accumulations is required. This review concentrates on contaminants within drill cutting accumulations in the Northern and Central North Sea (56 degrees N-62 degrees N). Present literature reviewed reveals that hydrocarbons within the cuttings piles remain relatively unchanged with time. A considerable proportion of the associated contaminants are likely to remain within the cuttings pile unless they are disturbed which will then increase exchanges of porewater and solids back to the seabed surface resulting in pathways of exposure for organisms.
北海油气储量的勘探和开采导致大量钻屑堆积在钻井场地周围的海床上。这种由人造物质和天然物质组成的复杂混合物中，某些金属（钡、铬、铜、镍、铅和锌）和碳氢化合物的浓度高于背景沉积物中的浓度。随着旧平台的退役，需要对钻屑堆积物的环境相互作用和化学归宿进行评估。本综述聚焦于北海北部和中部（北纬56度至62度）钻屑堆积物中的污染物。现有文献表明，钻屑堆中的碳氢化合物随时间相对保持不变。相当一部分相关污染物可能会留在钻屑堆中，除非受到扰动，否则这将增加孔隙水和固体物质与海床表面的交换，从而形成生物接触途径。
