Results 51 to 60 of about 600,749 (229)

Seismic Rock Physics Inversion With Varying Pore Structure Parameters and Consolidation Parameter in Tight Sandstone Reservoirs

open access: yesGeofluids, Volume 2026, Issue 1, 2026.
Tight sandstone gas holds significant exploration and development potential. However, its complex pore structure and heterogeneous consolidation make quantitative reservoir prediction challenging. In this study, we propose a novel seismic inversion method that incorporates consolidation parameter and pore structure parameters as constraints for ...
Yongze Hu   +7 more
wiley   +1 more source

Seismic ray impedance inversion [PDF]

open access: yes, 2010
This thesis investigates a prestack seismic inversion scheme implemented in the ray parameter domain. Conventionally, most prestack seismic inversion methods are performed in the incidence angle domain.
Wang, Yanghua, Lu, Xiaolin
core   +2 more sources

Prediction method of thin sand reservoir with coal bearing: An example from PB area of Xihu Sag at East China Sea

open access: yes地质科技通报
In the sedimentary environment shaped by river-tidal bidirectional flow, thin coal seams are typically located within the oil- and gas-bearing strata of the Pinghu Formation in the PB area of the Xihu Sag.
Pan LUO, Jiusheng LI
doaj   +1 more source

Groundwater characterization in arid regions using seismic and gravity attributes: Al Jaww Plain, UAE

open access: yesFrontiers in Earth Science, 2021
This paper discusses a multivariate approach aimed at geophysical characterization of subsurface rocks for groundwater exploration in arid environments.
Pier Paolo G. Bruno   +4 more
doaj   +1 more source

A Possible Tsunamigenic Near‐Trench Strike‐Slip Fault, Offshore North Ecuador–South Colombia

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 12, December 2025.
Abstract Seismic reflection and bathymetry collected along the Ecuador–Colombia obliquely convergent margin allow the first characterization of the NNE‐trending, near‐trench strike‐slip Ancon Fault in the possible source region of the 1906‐Mw8.6–8.8 and 1979‐Mw8.2 earthquakes, which produced devastating tsunamis.
J.‐Y. Collot   +8 more
wiley   +1 more source

Borehole Geophysical Joint Inversion to Fully Evaluate Shaly Sandstone Formations

open access: yesApplied Sciences, 2022
Simultaneous inversion of sonic, density, and electrical resistivity borehole-derived well logs, has been addressed in literature in recent years. However, this problem is not broadly studied for dual-porosity sandstone formations.
Alireza Shahin   +2 more
doaj   +1 more source

Multi-constraint two-step intelligent prestack seismic inversion and its application: A case study in the Junggar Basin, Northwest China

open access: yesJournal of Seismic Exploration
Prestack seismic inversion serves as a bridge connecting seismic observations to subsurface rock properties, enabling quantitative estimation of elastic parameters, such as P-wave velocity (Vp), S-wave velocity (Vs), and density (ρ), which provides ...
H. Qi   +6 more
semanticscholar   +1 more source

Imaging Continental Rifting Structures From Eastern Gondwana Breakup by Full‐Waveform Inversion of Marine Wide‐Angle Seismic Data

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 12, December 2025.
Abstract The Lord Howe Rise (LHR), a submerged continental fragment of Zealandia offshore eastern Australia, provides a rare opportunity to investigate the fine‐scale structure of a magma‐poor rifted margin. This study applies full waveform inversion (FWI) of 2D marine wide‐angle seismic data acquired with densely deployed ocean‐bottom seismometers ...
Mehmet Ali Uge   +5 more
wiley   +1 more source

Three-dimensional tomographic inversion of combined reflection and refraction seismic travel-time data

open access: yes, 2003
A tomographic inversion method is presented for the determination of 3-D velocity and interface structure from a wide range of body-wave seismic traveltime data types.
T. A. Minshull   +8 more
core   +1 more source

Machine Learning‐Based Seismic Subsurface Characterization: The State of the Art and Future Perspectives

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 4, December 2025.
Abstract Seismic subsurface characterization involves interpreting seismic records to delineate geological features and estimate the physical properties of subsurface rocks (such as lithofacies, porosity, and fluid saturation). As an effective remote sensing technology to characterize the large‐scale spatial distribution of subsurface properties ...
Minghui Xu   +3 more
wiley   +1 more source

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