目前各油田的抽油设备主要仍为常规游梁式抽油机，其主要原因是该机结构简单，操作维护方便，使用寿命长。

The conventional pumping unit is still the main pumping unit in the field at present, the main reason is that its structure is simple, operation and maintain are convenience, and its use life is long.

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但是目前油田上使用的球形单牙轮钻头由于牙齿先期磨损严重，影响了钻头的机械钻速和寿命。

But now the use of the spherical one-cone bit shows that the teeth are abrade heavily in advance, which affects the velocity and life of the bit.

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为了在平台的有限寿命期内采出更多的原油，注聚提高采收率已经成为海上油田的技术选择。

To exploit more crude oil in the limited life of the platform, polymer injection enhanced oil recovery has become the offshore oil field technology choices.

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