摘要
稠油混相水驱是稠油吞吐热采降压开采后提高采收率的一种技术。它是利用氮气、泡沫及活性剂各自不同的特性，来提高驱油效率和扩大波及体积，达到提高最终采收率的目的。经室内模拟认为：该技术比常规水驱驱油效率提高30％，采收率提高7％；配套工艺技术比蒸汽驱简单且投资少。
Miscible water drive for heavy oil is a technique used for improving recoveryefficiency after producing by thermal depressurization during huff and puff period．It utilizesthe different features of nitrogen，foam and surfactant，to enhance oil displacement efficiencyand swept volume, and to achieve the goal of improving ultimate recovery factor. The laboratory modelling indicates that the displacement efficiency of this method enhance 30%, and therecovery factor enhance 7% than conventional water drive; matching technique is simpler andcheaper than that of steam drive．
出处
《特种油气藏》
CAS
CSCD
1995年第3期30-32,共3页
Special Oil & Gas Reservoirs
