row oil pump jacks white background pumpjack |
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| navigate by keyword : oil pump pumpjack rig extraction petroleum energy industry machinery equipment technology engineering production natural resources fossil fuels industrial field drilling crude power generation heavy mechanical infrastructure sector resource gas site offshore onshore yellow red white background |
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| A line of five oil pump jacks, also known as nodding donkeys, are depicted against a clean white background. The pump jacks are rendered in a warm yellow and red color scheme, with their characteristic horsehead beams angled upwards. The machinery includes counterweights, walking beams, and pumping units, with visible pipes and valves at the base of each unit |
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