发明名称 Drill-in fluids and associated methods
摘要 Of the many methods provided, in one embodiment, the present invention provides a method comprising: placing a drill-in fluid in a subterranean formation, the drill-in fluid comprising an aqueous base fluid, a viscosifier, a relative permeability modifier fluid loss control additive, and a degradable bridging agent comprising a degradable material capable of undergoing an irreversible degradation downhole; and forming a self-degrading filter cake comprising the bridging agent upon a surface within the formation whereby fluid loss through the self-degrading filter cake is reduced.
申请公布号 US7687438(B2) 申请公布日期 2010.03.30
申请号 US20060524116 申请日期 2006.09.20
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 MUNOZ, JR. TRINIDAD;EOFF LARRY S.
分类号 C08B37/00 主分类号 C08B37/00
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