权衡研究方法在古城油田开发技术决策中的应用

Application of Tradeoff Method in Oil Development Decision of Gucheng Oilfield

在古城油田开发方式转换决策工作中,根据油田地质开发状况,应用权衡研究方法,首先对转蒸汽驱、转水驱、吞吐后期优化技术3种备选方案进行专家评估,确定最大可能实现系统目标的开发方式为转水驱;然后分别在室内进行了清水驱、热清水驱、污水驱3种转水驱开发方式的驱替试验,优选了转污水驱开发的方案。现场实施取得了显著的降本增效效果。

During the transformation of oil development modes of Gucheng Oilfield,according to the its development geologic situations,the tradeoff method was used first for expert evaluating the alternating programs for optimizing the steam flooding,water flooding and post steam soaking,water flooding was determined as the highest possible development program.Consequently displacement experiments were conducted on fresh water flooding,hot water flooding and sewage water flooding,and the sewage water flooding is chosen.It is used in the oilfield and obvious effect is achieved for reducing cost and enhancing efficiency.