The results show that the low gamma shale were deposited in the lake-flooding stage which inhibited the deposition of minerals with high radioactivity such ask-feldspar and mica.
研究表明，低伽马泥岩是在湖泛时期由于富含放射性的钾长石和云母等矿物受到抑制而沉积形成的。
In the late stage of water flooding, multi-round profile control is an important measure to stabilize oil production and control water cut.
在水驱油田开发中后期，多轮次调剖是一项重要的稳油控水措施。
The water-flooded layer interpretation becomes one of the most difficult problems in the middle-late stage of water flooding, whose interpretation coincidence rate is usually around 80%.
水淹层解释成为目前油田注水开发后期面临最为复杂问题之一，其解释符合程度通常在80%左右。
Forest fire and flooding events frequently occurred at the middle stage.
森林火灾和洪泛事件在中期最为频繁。
Polymer flooding is a key measure of crude stable production during the later stage of developing Daqing Oilfield with high water cut.
聚合物驱油是大庆油田高含水开发后期原油稳产的主要技术措施。
During oilfield development by water flooding, at each development stage, the technical policies are different, and so are the complete sets of technological requirements.
注水开发油田，每个开发阶段技术政策不同，配套工艺技术也不相同。
Now this area is being at valid period, and the polymer flooding injection production feature at earlier stage appears.
目前该区正处于见效期，并体现了聚合物驱试验的前期注采动态特征。
Now this area is being at valid period, and the polymer flooding injection production feature at earlier stage appears.
目前该区正处于见效期，并体现了聚合物驱试验的前期注采动态特征。
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