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ÏÖÔÚÒªÉêÇëÁ˺ܼ±£¬Ð´Á˸öÂÛÎÄÏëͶ³öÈ¥£¬×ÔÎҸоõÒ²ÊDz»Ì«ºÃ~ Õâ¸öÎÄÕÂÊÇʯÓÍ·½Ã棬²¿·ÖÕªÒªÈçÏ£ºThis paper is to evaluate permeability of uncored interval of tight sandstone reservoir by using core data and logging data. Based on the analysis of the core data, the flow unit is employed to classify the reservoir category, then each type of flow unit reservoir¡¯s performance is evaluated by using mercury injection data. The mathematic model is built by using fuzzy cluster analysis method with logging data. The uncored interval¡¯s permeability is calculated. In addition, the reservoir rock physical characteristics are well understood according to flow unit categories. But the result of this research shows that the classified permeability model highly improves permeability prediction of permeability, even for heterogeneous reservoir. ÎÒÒ²²»ÏëÌ«ºÃµÄÆÚ¿¯Ö»ÒªÊÇÓ¢ÎÄÄÜͶ³öÈ¥¾ÍÐС£¡£¡£¸÷λÄܲ»ÄܰïÎÒÍÆ¼ö¼¸¸öÆÚ¿¯°¡£¬Ð»Ð»À²~£¡£¡£¡£¡£¡ |
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5Â¥2013-07-11 11:37:50
truelv
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2Â¥2013-06-19 12:52:34
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3Â¥2013-06-19 13:05:40
zhoupeng87
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