Method and device for determining distribution diagram of carbonate rock thin reservoir, medium and product

By obtaining stratigraphic and waveform feature data, drawing contour maps of the top and bottom interfaces, clustering seismic phase distribution maps, combining paleogeographic maps of the sedimentary period and dolomite reservoir favorable area distribution maps, a carbonate thin reservoir distribution map is generated, which solves the problems of low generation efficiency and poor accuracy, and improves the exploration and development efficiency of oil and gas fields.

CN120195739APending Publication Date: 2025-06-24CHINA NAT PETROLEUM CORP +1
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Patent Information

Application Number
CN202311774284.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-12-21
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

In the prior art, the generation efficiency of carbonate thin reservoir distribution maps is low and the data accuracy is poor, which affects the exploration and development efficiency of oil and gas fields.

Method used

By obtaining stratigraphic information and waveform feature data, drawing contour maps on the top and bottom interfaces, clustering seismic phase distribution maps, determining sedimentary microfacies maps, combining paleogeomorphic maps during the sedimentary period and favorable area distribution maps of dolomite reservoirs, data fusion is carried out to generate carbonate thin reservoir distribution maps.

Benefits of technology

The generation efficiency and data accuracy of carbonate thin reservoir distribution maps have been improved, and the exploration and development efficiency of oil and gas fields have been improved.

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Abstract

The invention relates to a carbonate rock thin reservoir distribution diagram determination method and device, a medium and a product. The carbonate rock thin reservoir distribution diagram determination method comprises the following steps: acquiring horizon information and waveform characteristic data of a to-be-detected target stratum; according to the horizon information, drawing a top-bottom interface contour map of the to-be-detected target layer; drawing a seismic facies distribution diagram of the target layer to be detected according to the waveform characteristic data; based on the seismic facies distribution diagram, determining a sedimentary microfacies diagram of the to-be-detected target layer; based on the top-bottom interface contour map, determining a sedimentary period ancient landform map of the to-be-detected target layer; performing data verification on the sedimentary microfacies map based on the sedimentary period ancient landform map to obtain a verification result of the sedimentary microfacies map; under the condition that the verification result is valid, obtaining a dolomite reservoir favorable area distribution diagram of the to-be-detected target layer; and according to the dolomite reservoir favorable area distribution diagram and the sedimentary microfacies diagram, determining a carbonate rock thin reservoir distribution diagram of the target stratum to be detected.
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