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Reservoir prediction method and device based on mixosedimentite

A reservoir prediction and diamictite technology, applied in the field of geophysical exploration, to improve prediction accuracy and solve quantitative evaluation problems

Pending Publication Date: 2020-12-01
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0005] Saturation calculation accuracy and interpretation coincidence rate, in order to achieve the purpose of high-precision calculation of complex reservoir saturation in conventional logging series, and effectively solve the problem of quantitative evaluation of reservoir saturation

Method used

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  • Reservoir prediction method and device based on mixosedimentite
  • Reservoir prediction method and device based on mixosedimentite
  • Reservoir prediction method and device based on mixosedimentite

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Embodiment Construction

[0062]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0063] Embodiments of the present invention provide a specific implementation of a diamictite-based reservoir prediction method, see figure 1 , the method specifically includes the following content:

[0064] Step 100: Obtain pre-stack seismic gather data received by multiple geophones at different angles to the excitation point.

[0065] It can ...

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Abstract

The invention provides a reservoir prediction method and device based on mixosedimentite. The method comprises the following steps of acquiring pre-stack seismic trace gather data received by a plurality of detectors forming different angles with excitation points, superposing the pre-stack seismic trace gather data of each angle to generate sub-offset superposition trace gather data, synthesizinga seismic record according to the logging data and the pre-stack seismic trace gather data, according to the seismic record, using a pre-stack seismic inversion method to generate a reservoir sensitivity factor of the mixosedimentite, and predicting the distribution condition of the mixosedimentite reservoir in the target area according to the reservoir sensitive factor. According to the method,the distribution condition of the mixosedimentite reservoir can be accurately predicted.

Description

technical field [0001] The invention relates to petroleum exploration technology, especially to the field of geophysical exploration, in particular to a diamictite-based reservoir prediction method and device. Background technique [0002] In some areas (such as the Xiaganchaigou Formation in the Yingxi area of ​​the Qaidam Basin), the reservoirs are mostly saline lacustrine carbonate deposits, and the reservoirs are mostly mixed lithologies such as salt rock, mudstone, and lime dolomite. , the reservoir rock composition includes: clay, gypsum-salt rock, sandy, limestone, dolomite, etc. The main lithological component of the reservoir is limestone, which generally contains muddy and sandy components, and some of them contain Gypsum-salt rock has complex and diverse lithological components, and exhibits the characteristics of mutual mixing, strong heterogeneity, and difficult reservoir prediction. [0003] At present, there are two common types of reservoir prediction techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/30G01V1/40
CPCG01V1/306G01V1/40G01V2210/624G01V2210/6242
Inventor 程杰张军勇张超陈国文管俊亚刘乐
Owner BC P INC CHINA NAT PETROLEUM CORP
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