Clay stabilizer for reservoir reformation fracturing and preparation method thereof

The invention relates to the field of petroleum exploitation, in particular to a clay stabilizer for reservoir reformation fracturing and a preparation method thereof. The method comprises the following steps of: (1) using p-aminophenol and epichlorohydrin as raw materials to obtain an intermediate product as shown in a formula I under the catalysis of sodium alcoholate; and (2) using the intermediate product as shown in the formula I and ammonia gas as raw materials to obtain the clay stabilizer for the reservoir reformation fracturing as shown in a formula II. The clay stabilizer for the reservoir reformation fracturing as shown in the formula II contains a benzene ring with relatively high polarity, so that the clay stabilizer further has very high polarity while having the advantages of a common polyether amine clay stabilizer, the clay stabilizer can be easily discharged after used as a fracturing fluid additive, and the clay stabilizer can protect the environment better, has an advantage in anti-expansi