SINTEF Ocean AS, P.O. box 4762, Torgard, NO-7465 Trondheim, Norway.
SINTEF Ocean AS, P.O. box 4762, Torgard, NO-7465 Trondheim, Norway.
Mar Pollut Bull. 2018 Feb;127:175-181. doi: 10.1016/j.marpolbul.2017.11.067. Epub 2017 Dec 7.
Subsea blowouts have the potential to spread oil across large geographical areas, and subsea dispersant injection (SSDI) is a response option targeted at reducing the impact of a blowout, especially reducing persistent surface oil slicks. Modified Weber scaling was used to predict oil droplet sizes with the OSCAR oil spill model, and to evaluate the surface oil volume and area when using SSDI under different conditions. Generally, SSDI reduces the amount of oil on the surface, and creates wider and thinner surface oil slicks. It was found that the reduction of surface oil area and volume with SSDI was enhanced for higher wind speeds. Overall, given the effect of SSDI on oil volume and weathering, it may be suggested that tar ball formation, requiring thick and weathered oil, could possibly be reduced when SSDI is used.
海底井喷有可能将石油扩散到大面积的区域，而海底分散剂注入（SSDI）是一种旨在减轻井喷影响的应对措施，特别是减少持久性的海面油膜。采用修正的韦伯尺度模型对油滴粒径进行预测，利用 OSCAR 溢油模型评估不同条件下 SSDI 应用时的海面浮油量和面积。一般来说，SSDI 会减少海面的油量，并形成更宽更薄的海面油膜。研究发现，在较高风速下，SSDI 减少海面油面积和体积的效果增强。总的来说，鉴于 SSDI 对油量和风化的影响，当使用 SSDI 时，可能会减少焦油球的形成，而焦油球的形成需要较厚且风化的石油。
