WebApr 10, 2024 · Seismic or acoustic wave signals are inevitably contaminated by noise from various sources in different environments, such as land and marine, affecting the quality of imaging, inversion, and interpretation [1,2,3,4].Hence, denoising is one of the most critical processing steps in oil and gas exploration or engineering survey, and it can significantly … WebApr 1, 1998 · The filter, called a local coherence filter, is essentially a finite-difference operator whose step size is equivalent to a spatial prediction distance. Within the local coherence filter's small application window, an NMO-corrected multiple is predictable while an overcorrected primary is not predictable.
Anisotropic diffusion filtering based on fault confidence
WebOct 20, 2010 · Coherence analysis is a powerful tool in seismic interpretation for imaging geological discontinuities such as faults and fractures. ... 2003, Improved 3-D seismic edge-detection filter applied to Vinton Dome Louisiana: 73th Ann. Internat. Mtg, Soc. Expl. Geophys., Expanded Abstracts, 2370–2372. Al-Dossary, S., and Marfurt, K. J., 2007 ... WebIntegrated passive and active seismic surveying using multiple arrays: 申请号: US13759990: 申请日: 2013-02-05: 公开(公告)号: US09448313B2: 公开(公告)日: 2016-09-20 student identification through iprc
Wavelet correlation filter for wide‐angle seismic data
WebApr 6, 2024 · This paper proposes a calculation method of a structure-oriented-based seismic SNR attribute. The purpose is to characterize the temporal and spatial variation of the seismic data SNR. First, the local slope parameters of the seismic events are calculated using a plane wave decomposition filter. WebThe filter picks up samples within the chosen aperture along the local dip and azimuth and replaces the amplitude of the central sample position with the median value of the amplitudes. ... but has spent more time in special … WebApr 10, 2007 · The coherence is used to attenuate incoherent components in the time-frequency representations of the seismic records. No waveforms are averaged in our approach to maintain local amplitude information. This way we construct a data-adaptive … student in trouble for being nipped out