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水力振动采油
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水力振动采油
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水力振动采油
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hydraulic vibration oil production technique
水力振动采油
利用液体振动在井底产生压力脉冲,解除因油水乳化、黏土运移、沉淀物析出等导致的地层污染,恢复近井地带地层渗透率,改善流体流动状况的增产增注措施。
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dimensionless constant
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dimensionless notation
dimensionless number
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dimensionless time parameter
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dimension of a lattice
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dimension of a linear space
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dimension of an offine variety
dimension of a physical quantity
dimension of a polyhedron
dimension of a projective variety
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