Patent ID: 9261435
Filing Date: 2016-02-16
CPC Classification: E21B,G01N

Claim Text:
1. An apparatus for simultaneously injecting fluids into a plurality of samples of porous media, comprising: a plurality of holders for the samples of porous media, each holder comprising a sleeve and first and second platens, the first platen having an inlet for an injection fluid and the second platen having an outlet for a produced fluid, and the samples of porous media being arranged, in use, in each of the holders such that the first platen and second platen of each holder contact a first and second end of the sample of porous medium respectively, the inlet of each first platen being in fluid communication with an injection line for injecting fluid into the sample of porous medium arranged in the holder, the outlet of each second platen being in fluid communication with a dedicated effluent line for removing fluid produced from the sample of porous medium arranged in the holder, an analyzer for analyzing the fluids injected and/or removed from each of the samples of porous media, and a control system configured to control the apparatus to perform simultaneous injections into the plurality of samples, wherein the injections commence in a staggered fashion with an onset delay between injections.