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- The gas-bearing strata are mainly the Baigang Formastion of Eocene and Fuping Formation of Oli-gocene,then the Nadu Formation of Eocene,and their buried depths are less than 1500 m in general, most of them being 300-700 m. 含气层位主要是始新统百岗组和渐新统伏平组,次为始新统那读组,埋深一般小于1500 m,大部分气层埋深在300-700 m之间。
- the Nadu Formation 那读组
- This method may forecast the reservoir production in tight Nadu Formation very well and rapid. 该方法能较好实现对那读组致密储层产量的快速预测,应用效果十分显著。
- These new genus and species lie respectively in Changsheling Formation of PlioceneSeries, Fuping Formation of Oligocene Series and Nadu Formation of Eocene Series. 同时对新属中的3个未定种也作了简要描述。 新属种化石分别产自上新统长蛇岭组、渐新统伏中组、始新统那读组。
- In this paper hole instability mechanism of the interval of Nadu formation in Baise basin is analyzed based on geology,ground stress,chemistry and drilling data. 井塌是百色盆地那读组泥、页岩井段主要面临的问题,严重地影响钻井速度的提高。
- The book has been styled in a modern format. 该书已按照现代版式制作。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- You didn't embarrass me in the slightest. 你一点也没让我为难。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。
- He arrived at the meeting place beforehand. 他提前到达会面地点。
- He beckoned to me from across the street. 他在马路对面向我招手致意。