Experimental apparatus and method for measuring rock permeation rate
A low-permeability, experimental device technology, applied in measurement devices, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problems of manual calculation, low test accuracy, cumbersome operation, etc., to achieve dynamic display time , Improve the accuracy and sensitivity, and avoid the effect of errors
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0020] figure 1 Shows the flow chart of the experimental device for measuring low rock permeability, including cylinder 1, constant temperature water bath 2, ring pressure 3, core holder 4, oil container 5, water container 6, six-way valve 7, high-pressure nitrogen Steel cylinder 8, photoelectric interrupter 9, optical fiber tube 10, single-chip microcomputer, display, a certain number of photoelectric interrupters are placed at a distance of 2cm, and the rock is evacuated by a vacuum pump under a certain negative pressure through the experimental equipment, saturated with standard salt water, Put the core into the core holder, first open the ring pressure, then open the nitrogen bottle, squeeze the experimental crude oil from the cont...
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