The principles,pros and cons of different drainage technologies are demonstrated in this paper to offer guidance for comparison and selection of the technologies in offshore gas field.%本文对不同的排水工艺技术的基本原理、工艺技术的优点和缺陷进行了简要的分析,为海上气田排水采气工艺技术的比选提供一定的依据.
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