Braided comb-shaped thickener for salt-resistant polymer
A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer (A) is one or multiple water soluble non-saturated compound(s) with alkenyl chain, while monomer (B) is at...
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Format: | Patent |
Sprache: | chi ; eng |
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