摘要
目前渤海油田已投产的部分油田存在含水率上升快、采出程度低的突出问题,而受平台的寿命限制,一个海上油田的开发只有20年左右的时间。如何在平台寿命的有效期内,尽快地采出更多的油,是渤海油田需解决的技术难题。通过对旅大10-1油田的地质油藏分析,完成地质模型拟合,从而进行段塞浓度、注聚时间、注液速度和注聚时机的优化研究,给出了推荐方案。研究结果表明,在旅大10-1油田进行早期注聚是可行的,但要保证注入压力不要超过现场管线所能承受的压力极限。
Now there are some prominent problems that water ratio rises quickly and the recovery is lower for some oilfields in Bohai Oilfield which has been put into production. And due to the limit of the platform life span, an offshore oilfield can be developed for only twenty years. So it is a difficult technology problem to be settled how to explore more oil as quickly as possible during the platform life span. Through analyzing the geology and reservoir of LD10-1 Oilfield, the three dimension model has been matched, and then the design and optimization study of the slug concentration, injecting-polymer time, injection speed and injecting-polymer occasion of polymer flooding projects has been carried out, and finally the recommendatory projects have been given. The research results indicate that it is feasible to inject polymer early at LD10-1 Oilfield, but should make sure that the injection pressure cannot exceed the pressure limit of platform pipelines.
出处
《海洋石油》
CAS
2006年第3期40-45,共6页
Offshore Oil
关键词
平台寿命
地质模型
注聚时机
段塞浓度
注入压力
platform life span
geology model
injecting-polymer occasion
slug concentration
injection pressure
