Experimental study on water shutoff of sulfonated larch tannin extract to aqueous layer in the fracture-cavity karst reservoir
ZHU Huaijiang, LONG Qiulian, LUO Jianhui, XIONG Chunming, JIANG Haijun, BAI Fengluan
Editorial office of ACTA PETROLEI SINICA . 2009, (4): 564 -569 .  DOI: 10.7623/syxb200904015

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