Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations
作者： D.V. Satyanarayana Gupta
DOI:
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摘要: The flow of a fluid may be diverted from high permeability zone to low portion subterranean formation by use diverter having the structural formula (I): wherein: R1 is -COO-(R5O)y-R4; R2 and R3 are selected group consisting -H - COO-(R5O)y-R4; provided that at least one or -COO-(R5O)y-R4 further both not R4 H C1-C6 alkyl group; R5 alkylene each y 0 5. Anhydrides (I) also acceptable as diverter.
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