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System and method for local attribute matching in seismic processing

A seismic and seismic survey technology, applied in the field of seismic survey, can solve problems such as data troubles

Inactive Publication Date: 2013-02-20
BP CORP NORTH AMERICA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, comparing and combining data obtained via the two types of receivers has proven cumbersome because of characteristic differences in signal, noise, etc.

Method used

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  • System and method for local attribute matching in seismic processing
  • System and method for local attribute matching in seismic processing
  • System and method for local attribute matching in seismic processing

Examples

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Embodiment Construction

[0034] While the invention is susceptible to embodiments in many different forms, there are shown in the drawings and hereafter described in detail certain embodiments of the invention. It should be understood, however, that the disclosure should be considered as an illustration of the principles of the invention and is not intended to limit the invention to the particular embodiments or algorithms so described.

[0035] General context of the invention

[0036] figure 1 A general environment in which the invention is typically used is illustrated. As a preparatory step 110, at least some basic planning of the seismic survey (or multiple seismic surveys) is done, by convention, prior to data collection. In addition to determining the location of the survey on the earth's surface, parameters generally associated with the survey, such as track / shot spacing, sampling rate, number of recording channels, etc., will be specified before the survey is performed. Seismic surveys are...

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Abstract

There is provided herein a new system and method of local attribute match filtering which operates in the local attribute domain via the use of complex wavelet transform technology. This approach is adaptable to address various noise types in seismic data and, more particularly, is well suited to reduce the noise in geophone data as long as an associated hydrophone signal is relatively noise-free.

Description

[0001] related cases [0002] This application claims the benefit of US Provisional Patent Application Serial No. 61 / 309,291, filed March 1, 2010, which is incorporated by reference into this disclosure as if fully set forth herein. technical field [0003] The present invention relates to the general subject of seismic exploration, and in particular to methods for quantifying and visualizing complex subterranean structures with seismic data. Background technique [0004] Seismic surveying represents an attempt to image or map the Earth's subsurface by sending acoustic energy down into the earth and recording the "echoes" that return from the underlying rock layers. The source of downward acoustic energy may eg be from an explosive or seismic vibrator on land or an air gun in a marine environment. During a seismic survey, energy sources are deployed at various locations near the earth's surface on geological structures of interest. Each time the source is activated, it gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/36
CPCG01V1/368G01V2210/32
Inventor 于舟伊姆蒂亚兹·艾哈迈德
Owner BP CORP NORTH AMERICA INC
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