Earth's cross-section of all petroleum drilling activities. Thanks to 'netalloy' and 'dominiquechappard' for petroleum icon and derrick.
陸地石油鑽探
crude、derrick、drilling、fracking、gas、gaz、offshore、oil、onshore、petroleum、rig、shale
原油、起重機、鑽孔、壓裂、加油站、氣、海上、油、陸上、石油、操縱、頁岩
資料來源：openclipart ( https://openclipart.org/ )