We have evaluated arrival-time picking algorithms for downhole microseismic data. The
picking algorithms that we considered may be classified as window-based single-level …

In the logging-while-drilling (LWD) acoustic measurements, distinguishing and estimating
formation acoustic properties from the interfering signals are commonly deemed difficult. In …

Microseismic P-and S-phase segmentation is an influential step that limits the accuracy of
event location, parameter inversion, and mechanism analysis. Therefore, an improved Unet …

Micro-seismic P-phase arrival picking is an elementary step into seismic event location,
source mechanism analysis, and seismic tomography. However, a micro-seismic signal is …

摘要在地震勘探中, 地形起伏和近地表速度的剧烈变化会导致地震波旅行时的扰动,
通常会通过折射波信息来估算和消除这些扰动. 本文在虚折射的基础上提出了逆虚折射干涉法 …

Seismic interferometry (SI) is a technique used to estimate the Green's function (GF)
between two receiver locations, as if there were a source at one of the receiver locations …

Topography and severe changes of near-surface velocity can lead to travel-time
perturbations in records of seismic exploration. Usually, these perturbations are estimated …

P phase arrival picking of weak signals is still challenging in seismology. A wavelet
denoising is proposed to enhance seismic P phase arrival picking, and the kurtosis picker is …

First arrival enhancement can improve the picking accuracy. Traditional seismic
interferometry is based on the correlation calculation of multiple iterations to enhance the …

Abnormal first-arrival times in the automatic first-arrival picking significantly affect the
structural inversion and static correction. After implementing an automatic picking, the …