Saline land change is mainly decided by the unit oil well output and the industry output value.

盐碱地和沙地面积变化主要由单位油井产量和工业产值决定；

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The law of the variable mass flow in the horizontal wellbore is useful for the horizontal well output prediction, and optimal design and dynamic analysis on oil well production system.

水平井井筒变质量流的流动规律是进行水平井产能预测、油井生产系统优化设计及动态分析的基础。

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Hydraulic fracturing is an important measure for increasing the output of oil-gas field and augmenting injection of water-injection well.

水力压裂是油气田增产、注水井增注的一项重要措施。

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Economic growth in the last quarter of 2006 slowed to 2.2%, well below the 4% growth in the previous quarter, after output declined in oil fields seized by the government last year from Occidental Petroleum of Los Angeles, which was Ecuador's largest foreign investor.

CENTERFORSECURITYPOLICY: Ecuador's democracy at risk

It reckons that over the next 15 years most of the top ten cities will display below-average growth in population and output (one exception will be Rio de Janeiro, boosted by investment in offshore oil as well as the Olympic games of 2016).

ECONOMIST: Productivity in Latin America