System and method of inferring stratigraphy from suboptimal quality seismic images

A technology for stratigraphic and seismic information, used in seismology, seismic signal processing, measurement devices, etc.

Active Publication Date: 2015-05-27
CHEVROU USA INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has limited precision and / or accuracy in capturing the finer mesoscopic details of geological structures

Method used

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  • System and method of inferring stratigraphy from suboptimal quality seismic images
  • System and method of inferring stratigraphy from suboptimal quality seismic images
  • System and method of inferring stratigraphy from suboptimal quality seismic images

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Embodiment Construction

[0011] figure 1 A method 10 of inferring stratigraphy from a volume with seismic information is shown. For example, method 10 may be used in situations where the seismic imagery is of sub-optimal quality. Method 10 uses such seismic images to build higher fidelity stratigraphic structures. Method 10 may utilize the process of converting seismic image information back and forth into and out of a geographically temporally flattened space. The stratigraphic structure generated by method 10 can be used in seismic modeling.

[0012] Seismic information related to the subsurface volume is obtained in operation 12 . Seismic information may include one or more seismic images. Seismic images include three-dimensional seismic images in which magnitude information is indexed by spatial location. The spatial position is expressed as a position in two dimensions within a surface plane (eg, x-y plane) of the subsurface volume, and a metric related to position along an axis perpendicula...

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Abstract

Stratigraphy is inferred over a volume of seismic information. Seismic images are implemented to create higher fidelity stratigraphic structure by leveraging a process that translates seismic image information back and forth into and out of a space that is flattened on geographic time. The stratigraphic structure inferred may be implemented in seismic modeling

Description

technical field [0001] The present disclosure relates to implementing suboptimal seismic image information to infer stratigraphy, which can be used to perform seismic modeling. Background technique [0002] Techniques for generating high-fidelity geological earth models from seismic images are known. Such techniques may involve the use of computers to generate three-dimensional geological horizons that conform to interpreted structures and serve as boundaries for interstitial formations. This approach has limited precision and / or accuracy in capturing the finer mesoscopic details of geological structures. Contents of the invention [0003] One aspect of the present disclosure relates to a computer-implemented method of inferring stratigraphy from a volume with seismic information. In some embodiments, the method includes obtaining seismic information associated with a subsurface volume, the seismic information comprising (i) a two-dimensional location within a surface pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/32
CPCG01V1/325G01V2210/40
Inventor J·P·斯特凡尼
Owner CHEVROU USA INC
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