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Blocking composition for use in subterranean formation
Blocking composition for use in subterranean formation
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机译:用于地下地层的封堵剂
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摘要
A polymer composition for pumping downhole to gel in a subterranean formation comprises a water-soluble copolymer of (i) at least one non-acidic ethylenically unsaturated polar monomer and (ii) at least one copolymerisable ethylenically unsaturated ester; and an organic gelling agent therefor.
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