decline of a well

英 [dɪˈklaɪn ɒv ə wel]

美 [dɪˈklaɪn əv ə wel]

【经】油井递减

The relative decline of American education at the elementary-and high-school levels has long been a national embarrassment as well as a threat to the nation's future.
中小学教育水平相对滞后的问题长期以来一直困扰着美国，并且威胁着国家未来的发展。
Combined with the production decline analysis of a well in Shengli Oilfield, the fact is confirmed that this method can effectively predict and analyze the oil well performance.
结合胜利油田某井产量递减分析，表明该通式能有效地预测和分析油井动态。
By using the initial productivity equation and the production decline empirical equation, the future production of a horizontal well could be exactly predicted at designing step of horizontal drilling.
利用初期产能公式和递减经验公式可以在设计水平井时就能对水平井未来的生产有准确的预测。
With the emperor status 'decline, the original sense of the Zhou had been insufficient to constitute a comprehensive national as well as the conduct for members of the society.
随着周天子共主地位的下降，原来意义上的周礼已经不足以全面构成各诸侯国以及社会成员的行为规范。