Boasting 178 billion barrels of proven oil reserves and close to 58 Tcf of proven natural gas reserves as of 2009, Canada is the world's largest reserve holder after Saudi Arabia and the top supplier of U.S. energy imports. Canada is also home to the world's most expansive oil sands deposits, the development of which extracts and processes a heavy, tar-like crude bitumen that comprises the bulk of the country's reserves. Canada's oil and natural gas sector is privatized, with industry regulation occurring at the provincial level.
Chemists specialize in the composition, structure, properties and reactions of substances. Chemistry can be found throughout the industry, whether it is developing drilling fluid to pump down the wellbore or developing catalysts for use in refining. Chemists may analyze data in an office environment, perform experiments in laboratories, or review processes in the field.