Method for indoor remodeling of weakly cemented sandstone
A weak cementation and sandstone technology, applied in the preparation of test samples, instruments, analysis materials, etc., can solve the problems that are difficult to adapt to the preparation of clay mineral remodeling
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[0017] The indoor remodeling method of the weakly cemented sandstone of the present invention implements crushing, pressing and sintering under the premise of ensuring that the main material composition is the same as that of the original rock. High-temperature sintering improves the controllability of the cementation strength of particles below the micron level, and the presence of millimeter-sized particles increases the porosity in the remodeled sandstone to offset the densification induced by high-temperature sintering, so that the remodeled sandstone has particle characteristics similar to those of the original rock. Pore features; specific steps are as follows:
[0018] Step 1: Perform ordinary mechanical crushing on the weakly cemented rock cores taken from the target formation, and screen out sand particles in the order of millimeters;
[0019] Step 2: Intensify the crushing of the weakly cemented sandstone from the target formation on the ball mill until the particl...
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