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Thin reservoir stratum seismic forward modeling simulation method based on bivariant geologic modeling technology

A technology of geological modeling and forward simulation, applied in seismology, seismic signal processing, geophysical measurement, etc., can solve the problems of limited research, improve the success rate of exploration, reliable forward simulation results, and reduce exploration risks Effect

Active Publication Date: 2017-01-11
GUANGDONG UNIV OF PETROCHEMICAL TECH
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Problems solved by technology

There are few studies on these modeling methods for thin reservoirs, so the research on the application of thin reservoirs is relatively limited

Method used

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  • Thin reservoir stratum seismic forward modeling simulation method based on bivariant geologic modeling technology
  • Thin reservoir stratum seismic forward modeling simulation method based on bivariant geologic modeling technology
  • Thin reservoir stratum seismic forward modeling simulation method based on bivariant geologic modeling technology

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] The earthquake forward modeling case implemented based on the present invention is as follows:

[0052] (1) Use the research and development software to set the basic size of the model, where the model width is 1000m, and the model height is 500m. After the setting is completed, the main view window with the model size will appear, see figure 1 ;

[0053] (2) Design the top and bottom of the target layer in the model window of the main view, and design the ...

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Abstract

The invention proposes a thin reservoir stratum seismic forward modeling simulation method based on the bivariant geologic modeling technology, and the method comprises the steps: (1), setting the basic size of a main model; (2), dividing a target layer region and a non-target layer region on the main model; (3), designing a target layer model and a non-target layer model with the features of a thin reservoir stratum (2m or less) under different proportions; (4), discretizing a model through employing the variable sampling technology, and obtaining the discrete data of the model; (5), carrying out the forward modeling simulation based on the obtained discrete data through employing a forward modeling algorithm, and generating a synthesized seismic record. The method is advantageous in that the method can achieve the construction of the thin reservoir stratum (2m or less), can carry out the seismic forward modeling simulation of the thin reservoir stratum (2m or less), and enables the achievement of seismic simulation to be used for solving an actual problem that the recognition of the thin reservoir stratum is difficult better.

Description

technical field [0001] The invention relates to the field of seismic modeling, in particular to a thin reservoir seismic forward modeling method based on double-variable geological modeling technology. Background technique [0002] Seismic exploration technology is the most widely used geophysical method in oil and gas exploration. It uses the changes in the velocity, amplitude, frequency, phase, waveform and other parameters of seismic waves propagating in different media to analyze and predict the distribution range of oil and gas reservoirs. layer properties. With the deepening of exploration and development, seismic exploration has gradually developed from the structural exploration of understanding the underground structure form to the lithology exploration of directly using seismic information to judge lithology, analyze lithofacies, and quantitatively calculate the physical parameters of rock formations. Reservoirs in these complex depositional environments are usual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/28
CPCG01V1/282
Inventor 鲍祥生刘全稳朱立华
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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