Oil workers drilling for oil on rig

industry safety oil rig oil drill oil worker standing working holding assistance cooperation teamwork expertise drilling oil industry power equipment protection overalls protective workwear power occupation oil field petrol fossil fuel fuel and power generation oil young men mid adult men only men glove horizontal outdoors day close up men side view part of differential focus three people 30 34 years 20 24 years petroleum roughnecks platform african american ethnicity caucasian ethnicity safe work helping skill youngsters males people males people men males people daytime