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Keywords: cavity
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4092022
... Timely identification, prevention, and mitigation of disasters in urban settlement is nonnegotiable. Lives, properties, and civilization are under serious threats if cavities form unnoticed because natural lakes, ponds and sinkholes may ensue. Some researchers have proposed methods...
Proceedings Papers
Xiaoyang Wang, Min Li, Xiaobin Zhang, Shuqin Li, Zhichao Yang, Longjiang Jing, Zhen Yang, Yanfa He, Xiaohong Zhao, Mingyi Li, Hao Zhang
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3736183
... seismic acquisition exploration geophysicist cavity china government applied geoscience american association asia government zhang international upstream oil & gas reservoir characterization sichuan limestone complexity hao zhang energy 10 excitation society mingyi li...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-w10-01
... the separate inversions through the focusing inversion, which we modified to exploit different types of a priori information such as geological knowledge and the inhomogeneous model-weighting function. Here, we discuss the results of the methodology applied to a simplified model from karstic cavities...
Proceedings Papers
Xuri Huang, Kuangzhi Zhao, Quan Cai, Chong Sun, Chunmei Yang, Chaozheng Xiao, Juan Li, Haibo Song, Yungui Xu, Jing Tang, Yezheng Hu, Weiping Cao
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428396
... Carbonate cavity reservoirs have been a challenge in the industry for hydrocarbon exploration and production. Seismic imaging is able to find the cavities using the ‘beam string’ reflections. However, it lacks the detail of the cavities and the faults, sub-faults and fractures around them...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428436
... Hazardous cavities may develop beneath road surface as a result of underground constructions and leaking pipelines. Road surface may suddenly collapse if a cavity keeps growing without being noticed and treated. Therefore, monitoring and forecasting are essential in the prevention of geo-hazard...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426765
... Presentation Type: Poster frequency filter source location amplitude us government frequency-amplitude plot research & development center summary seismic resonance upstream oil & gas army engineer research exploration geophysicist 10 cavity void resonance reservoir characterization...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216411
... ABSTRACT Karst cavities beneath bored cast in situ piles are hazardous to the stability of infrastructure projects. Therefore, it is important to detect these karst cavities during the construction of piles. An improved sonar method for the detection of karst cavities beneath piles based...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3205671
... in porous karst systems. Generally, diffraction is presented in seismic wavefield registered above the paleokarst reservoir. It is connected to sharp geometrical or lithological properties and the presence of cavities in the subsurface. Many techniques of diffraction detection and imaging have been proposed...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3209146
... potential value in resolving the masked small-scale cavities that can provide storage spaces and migration pathway for petroleum. Presentation Date: Tuesday, September 17, 2019 Session Start Time: 1:50 PM Presentation Start Time: 4:20 PM Location: 214C Presentation Type: Oral diffraction image...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214714
... porous media upstream oil & gas cavity artificial intelligence seg international exposition sothcott microstructural viscoelastic model porosity jakobsen Adam , L. , M. , Batzle , T. , Lewallen , and K. , van Wijk , 2009 , Seismic wave attenuation...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998480
... a significant drilling hazard. One operator encountered four karst related cavities within the first four hundred feet of section from two separate pad sites. The intersection of these dissolution cavities resulted in the loss of significant amounts of drilling fluids and concrete, resulting in the abandonment...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1268
... 2 (center). In order to create a fine model of the reservoir special laboratory study of the core samples was carried out (Figure 2, right), which revealed the characteristic sizes of cavities and estimated roughly their concentration around 2%. Thereafter a fine structure of the reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1223
... SUMMARY A geotechnical geophysical survey is the most cost effective and rapid means of obtaining subsurface information. In the past few years, construction extended extraordinarily to the Ogbunike community, Nigeria, where subsurface cavities occur. The presence of cavities can affect many...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1353
... images beneath the tunnel liners. The Maxwell curl equation datuming is also applicable to other GPR testing situations that depend on the elimination of scattering effects caused by near-surface structures. reservoir characterization interface cavity gpr record maxwell curl equation liner...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-1810
...Detecting the occurrence of shallow mining cavities by electrical resistivity imaging method. A study case on the Victoria cave, Cartagena (SE Spain) Pedro Martínez-Pagán*, Technical University of Cartagena (UPCT, Spain), David Gómez-Ortiz, and Tomás Martín-Crespo, Universidad Rey Juan Carlos (URJC...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3779
... in Boulder, Adams, and Weld Counties, Colorado Over time, the rock in the ceiling and above the cavities can collapse into the voids. Without sufficient overburden, this caving can reach the surface of the ground in the form of subsidence or a sinkhole. Depending on the permeability and hydrology of the area...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1407
... evaluation modeling seismic profile crosswell reflection seismic data transition solution mining research institute upstream oil & gas cavity annual international meeting reservoir characterization crosswell reflection seismic profile brine windsor crosswell reflection dolomite...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-0358
... basin reservoir cavity carbonate reservoir log analysis ordovician upstream oil & gas Research on horizon division and transverse contrast of Carbonate Karst Reservoir Research on horizon division and transverse contrast of Carbonate Karst Reservoir Songyang Zhang*1,2, Xuying Qin1, Shixing...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1701
... Polarization”, have been used widely for mineral exploration, and latterly for water resources/ geoenviromental purposes. earth material mhz transmission line cylindrical sample reservoir characterization frequency dielectric measurement investigation instrument conductor cavity permittivity...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-1831
... to estimate the permeability. This method is tested with DARS lab data. permeability diffusion model cavity upstream oil & gas porous material porosity dar flow property fluid dynamics compressibility frequency reservoir characterization flow in porous media effective compressibility...
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