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constant recirculating backpressure apparatus, and method for flooding a core through constant backpressure recirculation of at least one fluikdo.
constant recirculating backpressure apparatus, and method for flooding a core through constant backpressure recirculation of at least one fluikdo.
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机译：恒定循环背压设备，以及通过至少一种流体的恒定背压再循环来驱替岩心的方法。
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摘要
An apparatus and method for simulating production conditions in hydrocarbon-bearing reservoirs, as an example, by flooding of core samples from such reservoirs, are described. Full recirculation flow measurements permit several fluids (for example, crude oil, brine, and gas) to be simultaneously injected into core samples having varying dimensions. Accurate and stable back pressures are maintained at total flow rates of as high as 200 cc/min., for a large range of fluid viscosities. Accurate and stable net overburden pressures relative to pore pressure are also maintained, thereby simulating the formations at depth. Core samples from formations may also be investigated using the apparatus and method hereof, for carbon dioxide sequestration potential, as another example.
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机译：描述了一种用于通过例如从这类储层中注入岩心样品来模拟含烃储层中的生产条件的设备和方法。完全再循环流量测量允许将几种流体（例如，原油，盐水和气体）同时注入具有不同尺寸的岩心样品中。对于大范围的流体粘度，在高达200 cc / min的总流速下，可以保持准确而稳定的背压。还保持了相对于孔隙压力的准确且稳定的净覆岩压力，从而模拟了深部地层。作为另一个例子，也可以使用本文的装置和方法研究来自地层的岩心样品的二氧化碳封存潜力。
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