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US5146985A Hydrophilic polymer gel water sealing process 失效
水解聚合物凝胶水密封工艺

Hydrophilic polymer gel water sealing process
摘要:
Liquid composition for the production of a gel in a well drilled in the ground which is comprised of a hydrophilic polymer. Its liquid medium consists of an organic liquid at least partially miscible with water.
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