Quantitative selection of seismic acquisition parameters

Rigdon, H.K.; Hoover, Gary A.

doi:10.1190/1.1439321

Cited by 6 publications

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“…They compared the characteristics of linear arrays with different numbers of elements and examined the azimuthal variability of array response. Rigdon and Hoover (1987) S/N ratios of data from different arrays in the frequency domain. Regone (1997) evaluated performance of Chebychevweighted areal geophone arrays based on S/N ratios by applying a series of array filters with known attenuation levels to raw data.…”

Section: Introductionmentioning

confidence: 99%

Geophone array formation and semblance evaluation

Craig

Genter

2006

GEOPHYSICS

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The performance of a variety of areal geophone arrays was evaluated using seismic data recorded on a dense receiver grid in a walkaway survey conducted in the Permian Basin of west Texas. Surface waves, trapped waves, and scattered energy have long been recognized as a significant noise problem in this area. Arrays were formed by extracting sets of traces from the main data set and stacking them to produce individual traces of a receiver gather. We calculated semblance of each receiver gather to evaluate array performance. High values of semblance indicate that an array effectively removes surface waves while preserving reflections. Differences in data quality associated with variations in geophone-array design are often subtle and difficult to discern through simple inspection of field records. By calculating frequency-dependent semblance, we were able to detect and quantify differences in array performance.

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Section: Introductionmentioning

confidence: 99%

Geophone array formation and semblance evaluation

Craig

Genter

2006

GEOPHYSICS

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Wavelet estimation: A first step toward increasing image resolution

Brown

1990

Int J Imaging Syst Tech

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In many fields of imaging, the shape of the function describing the incident source wave (“the wavelet”) is known. In seismic exploration, this luxury is not available since seismic sources are affected by their environment. The resultant wavelet that is transmitted into the earth is quite different from any measurement that may be conducted near the source. To many seismic explorationists the wavelet has almost taken a mythical position of stature. More Black Art, mysterious assumptions, advanced mathematics, and handwaving go into wavelet estimation than any other aspect of seismic exploration. The reason for all the effort stems from the need to explore targets that are fractions of wavelengths. This presentation describes some of the methods used in seismic exploration to preserve bandwidth, estimate the wavelet shape, and invert the data to obtain a sharp image.

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Seismic reflection surveys of the Krško basin structure: implications for earthquake hazard at the Krško nuclear power plant, southeast Slovenia

Gosar

1998

Journal of Applied Geophysics

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Quantitative selection of seismic acquisition parameters

Cited by 6 publications

References 0 publications

Geophone array formation and semblance evaluation

Geophone array formation and semblance evaluation

Wavelet estimation: A first step toward increasing image resolution

Seismic reflection surveys of the Krško basin structure: implications for earthquake hazard at the Krško nuclear power plant, southeast Slovenia

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