Gram staining. Gram staining or Gram stain, also called Gram's method, is a method of staining used to differentiate bacterial species into two large groups (gram-positive and gram-negative). The name comes from the Danish bacteriologist Hans Christian Gram, who developed the technique.
Horizon Oil Sands. Horizon Oil Sands The Horizon Oil Sands project (or Horizon) is an oil sands mining and upgrading project. Horizon is 100% owned and operated by Canadian Natural Resources Limited.
For instance, in 1960 (when OPEC formed), the Middle East oil reserves were estimated to be 183 Bb (or 60% of the worldâs total) which increased to 343 Bb in 1970 (55%), 362 Bb in 1980 (53%), 661 Bb in 1990 (53%), 697 Bb in 2000 (55%), and 766 Bb in 2010 (47%).urrent estimates place the Middle Eastâs conventional oil at about 800 Bbo, or nearly half of the worldâs proven recoverable crude. What makes the Middle East so unique is the concentration of numerous giant fields in the region.