针对海上油田开发的特殊性，总结了海上化学驱技术在多功能高效驱油剂、平台注入设备、采出液处理等关键技术方面取得的最新进展；分析了该技术在国内3个海上油田应用的成功经验与增油效果；以国外实施海上化学驱的油田为实例，总结其在深水聚合物驱与水平井聚合物驱实践方面取得的经验。研究与实践证明海上化学驱技术可行、经济有效，可大幅度提高海上油田采收率。
A detailed literature review is conducted on the worldwide development and application of offshore chemical EOR technology in this paper. After about 20 years of research offshore chemical EOR techniques, a series of resolutions and techniques have been developed, including high-efficiency driving agents, platform polymer injection distribution technology, and produced fluid treatment technology. Since 2003, field tests and applications have been carried out in 3 oil fields in Bohai Bay, with expected oil increment and good economic benefit. On the other hand, Indonesia, Angola and Brazil have respectively succeeded in field pilot tests from single well to well group by means of polymer flooding in high water-cut stage in hightemperature and high-salt offshore oilfield, early-stage polymer injection in deep-water oilfield, and offshore polymer injection with horizontal injectors. All of these have enriched the field application experience in offshore chemical flooding, which is a new road for increasing recovery rate of offshore oil field and provides a solid technical guarantee for the economic and efficient development of offshore oil fields.
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