A Method for Describing Glutenite Body Facies Based on Velocity Dispersion Factor

A glutenite and velocity technology, which is applied in the field of glutenite facies zone description based on velocity dispersion factor, and can solve problems such as the inability to meet research needs.

Active Publication Date: 2021-10-26
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For areas with few or no wells, this method obviously cannot meet the research needs

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  • A Method for Describing Glutenite Body Facies Based on Velocity Dispersion Factor
  • A Method for Describing Glutenite Body Facies Based on Velocity Dispersion Factor
  • A Method for Describing Glutenite Body Facies Based on Velocity Dispersion Factor

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Embodiment Construction

[0069] Based on the study of the sound wave time difference between the gravel ring, it was found that its value was significantly less than the surrounding rock, which is a high speed. From the seismic profile analysis, the gravel rocky fan differs from the fan root to the fan speed. According to the above characteristics, the present invention has developed a new method based on the speed of frequency and frequency, and combined with the gravel of the raw rock stage, combined with the advantageous seismic attributes of the gravel and the gravel, and solved the actual situation. The technical problems encountered in production have theoretical research significance and the production guidance value.

[0070] In order to make the above and other objects, features, features and advantages of the present invention, the preferred embodiment will be described in detail with reference to the accompanying drawings.

[0071] like figure 1 As shown, a gravel rock body of a speed resource-...

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Abstract

The invention discloses a method for describing glutenite body facies based on velocity dispersion factors, comprising the following steps: step 1, extracting velocity dispersion attributes of each period of glutenite reservoir; step 2, extracting conventional earthquakes of each period Attributes, select the dominant attributes that can assist in the description of facies belts; Step 3, combine the velocity dispersion attributes with the dominant attributes of glutenite to divide the glutenite phase facies; Step 4: Use well data to further verify the phase facies correctness of division. The present invention can better complete the description of glutenite phase facies belts, and the method is to extract the velocity dispersion attribute for each phase on the basis of completion of glutenite body phase interpretation. Then, with the aid of conventional seismic attributes, the description of facies belts of different phases of favorable reservoirs of glutenite bodies in complex sedimentary environments was completed. The invention provides a new solution for the description of glutenite body reservoirs in a complex depositional environment, thereby improving the exploration and development capabilities of glutenite body oil and gas reservoirs.

Description

Technical field [0001] The present invention relates to the field of seismic data attribute extraction and reservoir description, and in particular, to a gravel rock mass based on a velocity resiliency. Background technique [0002] The gravel rock body has a large amount of debris with a large amount of debris in the mountains or fracture basins, and the common deposition type has alluvile fan, near-shore underwater fan, fan delta, etc. Placebral reservoirs are most common in a plurality of sectors. Gloscopic rockhouse is a hidden oil and gas, but its reservoir has a large thickness and high oil and gas content, so it is increasingly focused on oilfield exploration and development. However, due to the complex structure of the gravel reservoir, the formation period is different, the location, the geological conditions are different, and the type, shape, scale, rock and physical properties are also very different, making the difficulty of research far more difficult than conventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/30
CPCG01V1/301G01V1/306G01V1/307G01V2210/624G01V2210/63
Inventor 张军华桂志鹏王军蒋龙张云银刘显太张玉亮赵杰李琴胡陈康
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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