The Norwegian Ekofisk Oilfield was introduced in detail covering the exploration history, basin evolution, petroleum systems, regional stratigraphy and depositional facies.

介绍了挪威埃科菲斯克油田的基本概况及油田勘探历史，描述了该盆地的演化、油气系统、区域地层及沉积相。

youdao

It's looked not only at Brent crude but at some other exotic hydrocarbon cocktails - West Texas Intermediate, the Argus Sour Crude Index, Brent Blend or BFOE (the basket of the North Sea's Brent, Forties, Oseberg and Ekofisk), Dubai and Oman, Tapis and Minas, and East Siberia-Pacific Ocean Blend.

BBC: Setting prices crudely