EVALUATION METHOD FOR CURING AGENT, AND THERMOSETTING RESIN CEMENT PASTE FOR WELL CEMENTATION IN OIL AND GAS FIELDS AND PREPARATION METHOD THEREFOR

An evaluation method for a curing agent. The method allows for quick evaluation of a curing agent to determine the optimal addition amount thereof by means of judgments made according to a temperature-addition amount matrix graph. A thermosetting resin cement paste, which comprises a cement paste portion and a resin portion, wherein the cement paste portion comprises oil well cement, 3-6% of a filtrate reducer, 2-4% of an expanding agent, 0.02-0.25% of a retarder, 0.1-0.2% of a defoaming agent and 40-46% of water, based on the mass of the oil well cement being 100%; and the resin portion comprises an epoxy resin, 0.5-2% of a curing agent, 3-5% of an emulsifier and 0-170% of a weighting agent, based on the mass of the epoxy resin being 100%. The resin cement paste, when being in a liquid state, can prevent the formation of a permanent channel caused by weight loss and gas channeling; and when the resin cement paste is in a solid state, the integrity of a shaft can be maintained by improving the permeability, e