▎ 摘　　要

NOVELTY - A polymer oil-based crosslinking curing plugging agent comprises 60-80 %mass modified epoxy resin, 15-30 %mass curing agent, 1-5 %mass curing regulator and 4-10 %mass reinforcing agent. USE - Polymer oil-based crosslinking curing plugging agent for drilling fluid. ADVANTAGE - The plugging agent has excellent plugging effect and pollution resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the plugging agent, which involves preparing modified epoxy resin, adding other components into the modified epoxy resin, slowly stirring until the mixture is uniform to obtain bubble-free epoxy resin slurry, adding the epoxy resin slurry into a silicone mold, placing in an oven, and curing at 120℃.