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Microbial plugging and community distribution of indigenous thermophilic microbes in high-temperature oil reservoirs
Pages: 975-979
Year: Issue:  6
Journal: Acta Petrolei Sinica

Keyword:  高温油藏微生物提高采收率内源微生物物理模拟实验微生物堵调群落结构;
Abstract: 针对高温高压油藏(65℃、11MPa),以其中内源微生物群落为主要对象,利用物理模拟及分子生物学手段研究了内源微生物被激活后与多孔介质间的相互作用及其群落分布特征.研究发现,内源微生物激活后使岩心渗透率由1.64 μm2降至1.01μm2.多孔介质和油水两相界面均表现出显著的细胞截留能力,水驱2PV后产出液细菌浓度由108个/mL降至106个/mL以下,而每毫升岩心中细菌总量约为7×108个.利用...
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