oil wells in oil field. oil well group

oil field well beam pump western siberia rocking horse repair pumpjack pumping unit production petroleum natural gas mineral resource donkey pumper khantymansi autonomous okrug jack hydrocarbon horsehead gasshopper nodding industry rig outdoors photography valley usa no people gloomy landscape bleak day weather flat point of view wilderness area sky cultivated land high angle overcast desert nonurban scene california mood large group objects copy space