▎ 摘　　要

NOVELTY - Liquid bridge plug, comprises acrylamide monomer, slow-release adhesive breaker, thickening agent, cross-linking agent and solvent, where the slow-release adhesive breaker includes galactomannanase. USE - The liquid bridge plug is useful for segmented water plugging in horizontal-wells or layered water plugging in vertical-wells (claimed). ADVANTAGE - The liquid bridge plug solves the problem of segmented water plugging in horizontal-wells completed with sieve tubes, and achieves excellent oil-increasing and precipitation effect and excellent high-temperature resistance and mineralization resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing liquid bridge plug, comprising mixing acrylamide monomer, slow-release adhesive breaker, thickening agent, cross-linking agent and solvent to obtain final product.