Glen Larsen

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$Research paper thumbnail of New methodology takes advantage of the azimuthal variation of smaller faults and fractures that is not preserved in conventional seismic data processing$

New methodology takes advantage of the azimuthal variation of smaller faults and fractures that is not preserved in conventional seismic data processing

Simultaneous acquisition of 3D surface seismic and 3D VSP data — Processing and integration

SEG Technical Program Expanded Abstracts 2002, 2002

Simultaneous acquisition of 3D surface seismic and 3D VSP data - processing and integration Satin... more

$Research paper thumbnail of New methodology for detection of faults and fractures$

New methodology for detection of faults and fractures

SEG Technical Program Expanded Abstracts 2000, 2000

Summary Identifying and mapping faults and fracture systems in petroleum reservoirs is necessary ... more Summary Identifying and mapping faults and fracture systems in petroleum reservoirs is necessary for understanding their geological definitions and hydrodynamic properties. 3D seismic data provide the basic information for mapping large faults. However, the sub-seismic faults and fractures also need to be characterized for effective hydrocarbon recovery from reservoirs. Aligned vertical faults and fractures cause azimuthal variations in seismic properties. Conventional standard 3D processing sequences typically stack all azimuths and thus obliterate the azimuthal variation of moveout and amplitude. In this paper, we discuss a methodology for detecting faults and fractures in 3D seismic data by taking advantage of the azimuthal variation of seismic signatures and coherence.

Correlating Soil Electro-Conductivity and Satellite Multispectral Imagery Derived Indices for Well Sites in Northern BC

Petroleum companies are monitoring environmental impact more rigorously under industrial regulati... more Petroleum companies are monitoring environmental impact more rigorously under industrial regulation criteria nowadays. The soil apparent electro-conductivity is an important indicator to map environmental changes. It is normally conducted and measured by the on-site electro-magnetic (EM) surveys, which are accurate but time-consuming, cost-demanding, and limited to small areas. With the advance of high-resolution satellite missions, the multispectral imagery, particularly the Worldview-2 new 8-band imagery, provides a detailed insight on the land classification and environmental monitoring applications. In this paper, we worked on the correlation and optimization of the relations between soil electro-conductivity survey data and high-resolution multispectral imagery derived reflectance and indices, for instance, Normalized Difference Vegetation Index (NDVI) and Normalized Difference Soil Index (NDSI). The raw high-resolution 8-band Worldview-2 imagery acquired in an area of northern...

Michelangelo, Seismic and Seeing What's There

In oil painting restoration, masterpieces dirtied by centuries of grime and smoke are cleaned to ... more In oil painting restoration, masterpieces dirtied by centuries of grime and smoke are cleaned to reveal the original brilliant image. The recent cleaning and restoration of the frescoes in the Sistine Chapel are a familiar example. Once the unwanted dirt had been removed, the beauty and vibrant colors of the true image was stunning. The splendor of the true image had been there all the time, unseen and obscured by 'noise', for years. The restoration renewed the vivid colors of Michelangelo's work, and, in fact, caused art historians to reconsider their understanding of the master's use of color.

format_quoteHigh resolution Radon methods utilize sparsity constraints to focus energy in tau-p space, improving signal clarity despite spatial limitations.format_quote

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Correlating versus Inverting Vibroseis Records: Recovering What You Put into the Ground

Glen Larsen

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