western hemisphere. n (often capitals). 1. (Physical Geography) that half of the globe containing the Americas, lying to the west of the Greenwich or another meridian. 2. (Physical Geography) the lands contained in this, esp the Americas.
Most generous salaries are offered by BHP Billiton, where the average salary for petroleum engineers is $163K per year, followed by Anadarko Petroleum Corp with salaries around 158K, and Schlumberger with paychecks of $138K.
Environmental engineers earned a median salary of $83,360 a year in 2014, per the BLS, which noted that those working for oil and gas extraction companies earned the highest annual wage, averaging $118,460.