It said that when sheens rise to the surface , they will be captured .
该公司说,溢出的原油浮到海洋表面时,它们将被捕获。
A false-color picture released may 26 shows the tip of the mississippi river delta branching like tree roots into the gulf of mexico , as silvery sheens of oil from the recent deepwater horizon spill touch the coasts .
In the latest incident , owner-operator china national offshore oil ltd. 's cnooc ltd. unit said friday it has taken 1600 barrels per day of production offline to deal with the spill and surface sheens .