the upper ordovician 上奥陶统
upper ordovician limestone 上奥陶统灰岩
the middle upper ordovician 中上奥陶统
Middle and Upper Ordovician 中上奥陶统
Upper-Ordovician to Silurian 上奥陶统一志留系
Bioherms and shoals of platform-rim facies with favorable reservoir are well developed in the Middle-Upper Ordovician of Northern Tarim Basin and are the major targets of gas and petroleum exploration within Tarim Basin.
塔里木盆地北部中、上奥陶统台缘相生物礁滩体非常发育,具备良好的储集性能,是当前塔里木盆地油气勘探重要的目的层系之一。
参考来源 - 塔北南缘中、上奥陶统碳酸盐岩沉积相及相模式·2,447,543篇论文数据，部分数据来源于NoteExpress
The asphaltene RICO indicates that the Middle and Upper Ordovician may be the main source rocks of the oils in Lunnan, Tahe and Hadexun Oilfields.
沥青质的RICO研究结果表明，中、上奥陶统烃源岩为轮南、塔河、哈得逊原油的主力烃源岩。
The two karst developing periods for the Middle and Upper Ordovician in the Lunnan area are consistent with two transgressions of the Carboniferous.
轮南地区发育的两期岩溶与石炭纪两次较大的海侵时间相一致。
There were various trap types developed in the Middle Upper Ordovician, including sedimentary type, reef type and structure controlled sedimentary type.
中上奥陶统圈闭发育多种类型，有成岩型圈闭、礁型圈闭和受构造作用控制的成岩型圈闭。
应用推荐