▎ 摘　　要

NOVELTY - Method for preparing anionic polyelectrolyte modified graphene oxide, involves reacting dopamine hydrochloride with anionic polyelectrolyte and graphene oxide under alkaline conditions to obtain modified graphene oxide. USE - The method is useful for preparing anionic polyelectrolyte modified graphene oxide used in oil and gas exploitation. ADVANTAGE - The method improves the dispersion stability of the modified graphene oxide in the extreme environment of high temperature, and achieves high salt and weak alkalinity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for used of an anionic polyelectrolyte modified graphene oxide which is prepared by the above-mentioned in oil and gas exploitation.