As home to supermajors, as well as a plethora of smaller, independent energy players, the US boasts one of the largest concentrations of energy personnel in the world. With its insatiable appetite for energy resources, the United States is the world's single largest consumer of oil, using as much as 20.73 million barrels per day as of 2008. Recently, interest has peaked in the vast quantity of untapped natural gas resources in the US, the reserves of which were inventoried in 2008 at 238 Tcf, with producers specifically targeting the nation's promising shale formations for this energy commodity.
QA/QC/Inspection professionals in the oil and gas industry are responsible for a number of duties and work in every aspect of the industry. These individuals will make sure that equipment and parts are operating correctly as well as meeting industry and regulatory standards. They will also investigate any accidents or issues and will work with engineers to solve any problems they encounter. Some job titles the individuals may hold include QA/QC specialist, quality engineer, or QA/QC inspector.