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Sampling an oil composition and determining minimum miscibility pressure of an oil composition with a fluid
Sampling an oil composition and determining minimum miscibility pressure of an oil composition with a fluid
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机译:采样油组合物并确定油组合物与流体的最小混溶压力
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摘要
Various embodiments disclosed relate to methods and apparatuses for determining a minimum miscibility pressure of a fluid with and oil composition. In various embodiments, the method can include placing a fluid into a pressure chamber at a first pressure. The pressure chamber can include at least one capillary tube having one end disposed in an oil composition in the pressure chamber. The fluid can include at least one of a gas, a liquid, and a supercritical fluid. The method can include measuring a height of the oil composition in at least one of the capillary tubes. The method can include repeating the measuring for at least one cycle using a second pressure different than the first pressure. The method can include determining the minimum miscibility pressure of the oil composition with the fluid by extrapolating the pressure at a height of the oil in the at least one capillary tube of zero from the two or more measurements of the height of the oil composition in the at least one capillary tube.
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