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.
The Driller is in charge of the drill crew and ensures the safe completion of all operations on the drill floor including daily preventative maintenance of all equipment. The Driller is responsible for drilling the well within the parameters specified by the operator and maintaining control of the well at all times.