特殊油气田,是指地质结构特殊的低渗透性油气田,主要是指油田,这种油田的特点是采油助剂注入困难,原油采收也困难,目前低渗透油田的开发是一个世界性的难题,普遍存在注不进、采不出的技术瓶颈,提高采油速度的预测方法的研究是低渗透油气田勘探开发的前沿课题。
重复压裂是低渗透油气田开发中后期增产挖潜和稳产的重要技术措施。
Refracturing is an important technique for enhancing or stabilizing well productivity in the low-permeability oilfield.
但最近一些低渗透油气田却出现了频繁的CO气体中毒事件,给油田及员工带来巨大的损失。
Recently, frequent poisoning events of CO were took place in the some low permeable oil-gas field and the crews were hurt seriously.
低渗透非线性渗流是开发低渗透油气田所需解决的重要基础问题,也是现代渗流力学的前沿研究方向之一。
A problem on nonlinear flow in low-permeability porous media is a basic one in exploiting low-permeability oil and gas fields.
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