<p>A process for disrupting filter cake in an underground formation, which process comprises: (i) incorporating into a treatment fluid a solid polymer capable of being converted by hydrolysis into one or more organic acids; (ii) introducing the treatment fluid into the underground formation; and (iii) allowing the solid polymer to hydrolyse in the presence of water to produce organic acid such that acid soluble material within the filter cake or adjacent formation is dissolved.</p>
申请公布号
WO2005095755(A1)
申请公布日期
2005.10.13
申请号
WO2005GB01187
申请日期
2005.03.24
申请人
CLEANSORB LIMITED;HARRIS, RALPH, EDMUND;MCKAY, IAN, DONALD