two pump jacks and tanks and oil field equipment in fenced area in pasture under dramatic skies with houses on hill on horizon -

area barrels business clouds cloudy crude dramatic drill drilling energy environment equipment exploration extracting extraction facility fenced field fossil fuel gas gasoline heavy hill horizon houses industrial industry jack jacks landscape machinery natural nodding oil oilfield outdoor pasture petroleum pipeline platform pollution power prairie pump pumping pumpjack resource rig rocking skies sky summer sunset tanks technology two unit well