Each unit is separated by thermal packer,then steam is quantitatively injected into each unit by steam distributor.
方法针对油井各小层油层物性的差异，将油层物性相近的小层划为一个注汽单元，各注汽单元之间用热力封隔器封隔开，然后采用蒸汽分配器对各单元进行定量注汽。
A research on improving steam quality in steam distribution system;
提高蒸汽分配系统中蒸汽干度的研究