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油井主要用于开采油田的石油。
按照要求在油田地区实施系统的规划后进行钻井,将井眼作为石油升至地面的信道。信道一般到达地下油层区,而后放下套管并在套管周边浇筑水泥进行固井。而后下注油管,进行完井作业后,进而开采油田。
An oil well is a boring in the Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is produced along with the oil. A well that is designed to produce mainly or only gas may be termed a gas well.
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