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发明公开
CN103454380A 用于疏松地层损害评价的人造岩心及其制作方法 无效 - 撤回

用于疏松地层损害评价的人造岩心及其制作方法
摘要：
本发明为一种用于疏松地层损害评价的人造岩心及其制作方法，所述人造岩心包括有钢筒，钢筒内填充并压设有岩心粉，钢筒两端分别覆盖有筛网，筛网外侧压设有与钢筒端部固定连接的环套。本发明用于疏松地层损害评价的人造岩心，将天然岩心粉碎、研磨、过筛后，填充并压设在一钢筒内，用筛网和环套将钢筒两端固定；该人造岩心不用胶接剂，采取常温压制，能保存天然岩心的原始组份，保持各组分的活力，能实际模拟天然储层，并真实反映储层损害情况；能够满足疏松地层损害评价实验及其评价结果的准确性。
摘要（英）：

The invention discloses an artificial rock core for unconsolidated formation damage evaluation and a manufacturing method of the artificial rock core. The artificial rock core comprises a steel cylinder, wherein rock core powder is filled and pressed into the steel cylinder; screens respectively cover two ends of the steel cylinder; ring sleeves which are fixedly connected with the ends of the steel cylinder are pressed outside the screens. The artificial rock core for the unconsolidated formation damage evaluation has the advantages that a natural rock core is crushed, ground and sieved, and is filled and pressed into the steel cylinder; the two ends of the steel cylinder are fixed by the screens and the ring sleeves; the artificial rock core is pressed at normal temperature without an adhesive, the original components of the natural rock core can be stored and keep active, a natural reservoir can be actually simulated, and the damage situation of the reservoir is truly reflected; the accuracy of an unconsolidated formation damage evaluation experiment and the accuracy of an evaluation result can be ensured.

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