A methodology to investigate the effect of vertical seismic acceleration on the qualitative dynamic behaviors of a natural circulation loop with parallel nuclear-coupled boiling channels
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2017.10.009
Abstract: Abstract By adopting the external force method to consider the impact of seismic vibration on the two-phase flow system, this study integrates the nonlinear dynamic model of a nuclear-coupled boiling parallel-channel natural circulation loop (NCL)… read more here.
Keywords: seismic induced; methodology; natural circulation; vertical seismic ... See more keywords
Imaging the high-temperature geothermal field at Krafla using vertical seismic profiling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2018.10.019
Abstract: Abstract Geophysical exploration and in particular active-source seismic imaging of geothermal fields is important to assess and optimize the exploitation of natural heat sources for energy production and direct use. The first multi-offset (moving-source) vertical… read more here.
Keywords: krafla; seismic profiling; temperature geothermal; high temperature ... See more keywords
Deep Learning-Based P- and S-Wave Separation for Multicomponent Vertical Seismic Profiling
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3124413
Abstract: Vertical seismic profiling (VSP) helps to derive high-resolution images around the instrumented borehole and is a cost-effective technique for CO2 storage monitoring. In routine VSP data processing, P- and S-wave separation is a crucial step… read more here.
Keywords: vertical seismic; seismic profiling; wave separation; deep learning ... See more keywords
Structure-Oriented Mapping of the Subsalt Fractured Reservoir by Reflection Layer Tomography From a Perspective of the Zero-Offset Vertical Seismic Profiling
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3210046
Abstract: The pre-/subsalt fractured networks provide key clues to understanding the tectonic history and the subsurface reservoir evolution. Yet, they are among the most complicated targets for geophysical investigations. We develop a structure-oriented mapping technique to… read more here.
Keywords: seismic profiling; vertical seismic; subsalt fractured; structure oriented ... See more keywords
Vertical seismic profiling using distributed acoustic sensing with scatter‐enhanced fibre‐optic cable at the Cu–Au New Afton porphyry deposit, British Columbia, Canada
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12828
Abstract: ABSTRACT Wireline logs and vertical seismic profile data were acquired in two boreholes intersecting the main mineralized zone at the Cu–Au New Afton porphyry deposit, Canada, with the objectives of imaging lithological contacts, fault zones… read more here.
Keywords: fibre optic; new afton; optic cable; vertical seismic ... See more keywords
Estimation of P‐wave anisotropy parameters from 3D vertical seismic profile with distributed acoustic sensors and geophones for seismic imaging in the CO2CRC Otway Project
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.13080
Abstract: The quality and accuracy of a seismic image can be significantly affected by anisotropy. When anisotropy is significant, neglecting it can lead to smearing of the image, dispositioning of reflections and distortion of amplitudes. Thus,… read more here.
Keywords: vertical seismic; anisotropy; seismic profile; wave anisotropy ... See more keywords
Vertical Seismic Effect on the Seismic Fragility of Large-Space Underground Structures
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Civil Engineering"
DOI: 10.1155/2019/9650294
Abstract: The measured vertical peak ground acceleration was larger than the horizontal peak ground acceleration. It is essential to consider the vertical seismic effect in seismic fragility evaluation of large-space underground structures. In this research, an… read more here.
Keywords: fragility; large space; space underground; vertical seismic ... See more keywords
Modeling the seismic response of individual hydraulic fracturing stages observed in a time-lapse distributed acoustic sensing vertical seismic profiling survey
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/geo2019-0819.1
Abstract: In 2017, distributed acoustic sensing (DAS) technology was deployed in a horizontal well to conduct a vertical seismic profiling survey before and after each of 78 hydraulic fracturing stages. From two vibroseis source locations at the… read more here.
Keywords: time; hydraulic fracturing; distributed acoustic; seismic profiling ... See more keywords
Joint inversion of seismic, vertical seismic profiling, and crosswell data — A case study from China
Sign Up to like & getrecommendations! Published in 2017 at "Interpretation"
DOI: 10.1190/int-2015-0187.1
Abstract: AbstractThree-dimensional poststack and prestack seismic inversion results such as P- and S-impedance are commonly used for reservoir characterization. However, the frequency bandwidth of surface-based reflection seismic surveys usually ranges from 10 to 70 Hz, and these… read more here.
Keywords: inversion; crosswell data; vertical seismic; joint inversion ... See more keywords
3D vertical seismic profile acquired with distributed acoustic sensing on tubing installation: A case study from the CO2CRC Otway Project
Sign Up to like & getrecommendations! Published in 2019 at "Interpretation"
DOI: 10.1190/int-2018-0086.1
Abstract: Distributed acoustic sensing (DAS) can revolutionize the seismic industry by using fiber-optic cables installed permanently to acquire on-demand vertical seismic profile (VSP) data at fine spatial sampling. With this, DAS can solve some of the… read more here.
Keywords: otway project; distributed acoustic; co2crc otway; acoustic sensing ... See more keywords
Effectiveness of Fiber Optic Distributed Acoustic Sensing (DAS) in Vertical Seismic Profiling (VSP) Field Survey
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13085002
Abstract: The evolution of fiber optic technology in the past few decades has led to significant advancements in various fields, including high-speed and long-distance communication, big data transport, optical imaging, and sensing. However, relatively few studies… read more here.
Keywords: vertical seismic; fiber optic; acoustic sensing; fiber ... See more keywords