A rig manager considering a career change from oil and natural gas to the geothermal sub-sector of renewables may need to complete some minor upskilling to make a successful transition. Workers may need to familiarize themselves with more dynamic reservoirs than typically encountered in oil and natural gas production, with deeper reservoirs and. The number of rigs drilling for oil in the U.S. rose by one to 481 in the latest week, according to a tally from oil-field services company Baker Hughes. Oil prices were also bolstered by ongoing unrest in Kazakhstan, a nation that accounts for roughly 2% of global oil production, according to brokerage Morgan Stanley.