pay zone ; pay streak ; paybed ; oilrock
潜江组储层是江汉盐湖盆地最重要的产油层系。
Qianjiang Formation reservoir is the most important productive series in Jianghan Salt Lake Basin.
其中延长组的长2油层组是本地区的主力产油层系。
近年来，我国使用的进口和国产油层套管中，射孔性能的差异很大。
There is a large difference in the perforation performances between imported casing pipes of oil layer and that produced in China recent years.
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