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Reservoir gas bearing recognition method, device and system

A technology of reservoir and identification model, applied in the field of geological exploration, can solve the problem of poor gas-bearing identification effect and other problems

Active Publication Date: 2018-02-09
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

However, deep unconventional oil and gas reservoirs have strong heterogeneity and anisotropy, which makes the reservoir geology and logging response and seismic prediction results present a more complex nonlinear relationship. Compared with conventional oil and gas prediction, its multi-solution Stronger, and the identification of gas-bearing properties by a single seismic attribute is poor

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  • Reservoir gas bearing recognition method, device and system
  • Reservoir gas bearing recognition method, device and system

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Embodiment Construction

[0052] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below in conjunction with the drawings in one or more embodiments of this specification Obviously, the described embodiments are only some of the embodiments in the description, not all of them. Based on one or more embodiments in the description, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the embodiments of the description.

[0053] figure 1It is a schematic flowchart of an embodiment of the method for identifying gas in a reservoir provided in this specification. Although this description provides the method operation steps or device structures as shown in the following embodiments or accompanying drawings, more or less operation steps may be in...

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Abstract

The embodiment of the invention discloses a reservoir gas bearing recognition method, device and system. The method comprises the steps that the original seismic profile of a reservoir to be detectedis acquired; the original seismic profile is inputted to a pre-constructed gas bearing recognition model to be processed, wherein the gas bearing recognition model is obtained in a way that the selected deep learning initial model is trained through the acquired seismic profile sample data; and the gas bearing recognition result of the reservoir to be detected is determined according to the outputresult of the gas bearing recognition model. With application of the reservoir gas bearing recognition method, device and system, the information included in the original seismic data can be fully utilized so that the accuracy of gas bearing prediction can be enhanced.

Description

technical field [0001] The invention relates to the technical field of geological exploration, in particular to a method, device and system for gas-bearing identification in reservoirs. Background technique [0002] As oil and gas exploration targets are gradually oriented toward unconventional oil and gas reservoirs with complex structures, complex media, complex surfaces, and deep layers, the difficulty of exploration is becoming more and more difficult, and the "bright spots" of oil and gas exploration obtained are getting fewer and fewer. Oil and gas has become one of the main research directions for maintaining stable or increasing production in the petroleum industry at this stage, and it also has important practical significance for ensuring the sustainable development of my country's petroleum industry and energy security. [0003] The traditional gas-bearing detection technology is based on the reflection characteristics of gas reservoirs formed on seismic data, and ...

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Application Information

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IPC IPC(8): G01V1/28G01V1/30
CPCG01V1/282G01V1/306G01V2210/624G01V2210/665
Inventor 袁三一王铁一刘继伟宋朝辉刘颖王尚旭
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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