The company was founded in 1976 and has operational bases in the UK, Middle East, the Netherlands, Caspian Sea, Brazil, West Africa and the Gulf Coast of the United States.

BBC: Aberdeen firm Hydrasun sold to Bahraini investor

Environmental groups are right to use the Arkansas spill as a cautionary tale -- as one of many reasons that the Obama administration should reject a proposed pipeline, called the Keystone XL, which would carry this risky type of crude from Canada to the Gulf Coast of the United States for processing.

CNN: Maybe this oil spill will stick