Method and device for identifying sedimentary body period of residual sedimentary area of slope belt

The invention discloses a method and a device for identifying the sedimentary body period of a residual sedimentary area of a slope zone, and relates to the technical field of oil and gas reservoir exploration and development. According to the method, seismic reflection isochronism analysis is carried out on seismic data of a residual sedimentary area of a slope zone, an undenudated stratum is identified on the basis, a stratum interface of the undenudated stratum is determined, the denudated stratum is recovered according to the stratum interface of the undenudated stratum, the sedimentary body period of the undenudated area is identified, and a sedimentary body period interface of the undenudated area is determined. According to the sedimentary body period interface of the non-denudation area, the boundary and the sedimentary period of the single-period sedimentary body of the residual sedimentary area of the slope belt are recovered, the sedimentary body period of the residual sedimentary area of the slope