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专利名称：Method of cleaning a well bore prior to
cementing
发明人：Warren J. Ray,David G. Hines申请号：US09/009974申请日：19980121公开号：US05904208A公开日：19990518
摘要：Aqueous and non-aqueous systems for cleaning a section of a subterraneanwell borehole and casing prior to cementing. A series of spacer fluids are introduced intothe borehole to displace drilling fluid and to provide clean and water wet casing andborehole surfaces of the cleaned section of well bore. The cleaned section of the wellbore will provide surfaces for superior bonding of the cement to the surfaces.
申请人：DEEP SOUTH CHEMICAL
代理机构：Domingue, Delaune & Waddell, PLC
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