▎ 摘　　要

NOVELTY - Composition comprises an aggregate core, a high molecular material, a conductive agent, a curing agent and a surface modifying agent, where the high molecular material includes thermoplastic resin and water-soluble high molecular material, and the surface modifying agent includes an anionic surfactant and/or a coupling agent. USE - The composition is useful for conductive propping agent and shale oil in situ production technology (claimed). ADVANTAGE - The composition has simple formulation, high conductivity, low apparent density, high compression strength and good suspension effect of conductive propping agent, improves the thermal conduction efficiency of shale oil reservoir, and improves the in situ production effect of shale oil and in-situ conversion efficiency. The method is simple, is economical, has low energy consumption, is environmentally-friendly, and has large scale industrial production. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for A conductive propping agent obtained from the composition, comprising core-shell structure composed of an aggregate core treatment with a surface modifying agent and a conductive composite layer coated on the surface of the aggregate core, where the conductive composite layer includes a polymer material, a conductive agent and a curing agent; A preparation method of conductive propping agent, comprising (i) coating the high polymer precursor containing high molecular material and curing agent with the aggregate core processed by the surface modifying agent, and (ii) adding conductive agent for contact, curing, grinding, sieving to obtain conductive supporting agent; and A method for in-situ mining of shale oil, comprising generating crack by hydraulic fracturing, under the condition of electric heating, filling 50-100 wt.% conductive support for heat transfer, and pyrolyze the shale formation to generate shale oil, preferably the formation pressure is 0.1-70 Mpa at 0-95℃.