Based on the component analysis, a new calculation method for the volume factor of formation crude oil was proposed by cubic equation of state.

在组分分析的基础上，采用立方型状态方程建立了计算原油体积系数的新方法。

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Well production component was applied to simulate and calculate the properties of black oil such as bubble-point pressure, gas-oil ratio, oil viscosity, volume factor, and so on.

利用井流物组成模拟计算黑油油藏流体的泡点压力、气油比、地层原油密度和体积系数等参数。

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There are many methods for analysis of the water cutting intensity using field data. The dynamic pressure drop and the water cutting volume factor are usually used in the analysis.

应用矿场资料，分析水侵强度的方法很多，压降动态法以及水侵体积系数法是比较常用的方法。

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Another factor is volume of sales.

BBC: OFT says UK petrol market is working well

Airships demonstrate a law of increasing returns: doubling the length increases the surface area (and hence weight) by a factor of four while the volume (and hence lifting capacity) goes up by a factor of eight.

ECONOMIST: Pushing the envelope

The Federal Highway Administration concluded that the main cause was a crack that grew undetected in one of the bridge's huge chain links, but that the high volume of traffic was also a factor.

NPR: Bumper to Bumper: Predicting Traffic Flow