奥陶系 meaning in English

ordovician system

Ordovicion reef in lunan - bachu area and their reservoir characteristics
巴楚地区奥陶系生物礁储层特征
Log interpretation of ordovician carbonate reservoirs in tahe oilfield
塔河油田奥陶系碳酸盐岩储层的测井解释
Well logging evaluation of ordovician carbonate reservoir in central tarim basin
塔中地区奥陶系碳酸盐岩储层测井评价研究
The chemical action of karst water compositions of the ordovician in luan mining area
潞安矿区奥陶系岩溶水化学成分的成因
Probe into plugging techniques of ordovician carbonate oil reservoir in tahe oil field
塔河油田奥陶系碳酸盐岩油藏堵水工艺技术浅谈

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