Silhouette of oil worker by pump jack on rig

oil rig pump jack oil industry oil worker sunrise sunset standing working industry silhouette power equipment oil field petrol fossil fuel fuel and power generation built structure oil backlit sun cable one mature man only oil drill helmet clear sky horizontal outdoors dusk waist up 40 44 years one person the sun petroleum roughnecks platform drilling caucasian ethnicity man morning work silhouetted man male evening sunset sundown eve one person only sunlight sunshine