Method for defining effective thickness of target reservoir bed under complex geological conditions
A technology for complex geological conditions and target reservoirs, applied in the field of determining the effective thickness of target reservoirs, can solve the problems of difficult reservoir thickness, few studies on the tuning law of thin interbeds, etc., and achieve the effect of strong adaptability
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[0034] The reservoir thickness estimation technique of the present invention utilizes seismic wave information (namely feature points and amplitude information) to determine the reservoir thickness. Select the target section in the research area to predict the reservoir thickness based on seismic and logging information. After the seismic data are processed with high fidelity and high resolution to obtain the post-stack section, the layers are interpreted finely, and then the thickness of the target reservoir is predicted.
[0035] The present invention is realized through the following steps:
[0036] 1) Artificially stimulate seismic waves in the exploration area, receive underground reflection information, and obtain a zero-angle seismic profile after amplitude-preserving processing; figure 1 is the zero-angle seismic section used to calculate the reservoir thickness in a work area.
[0037] 2) Determine the reservoir thickness of the target interval according to the inte...
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